[204] | 1 | %'proj_field': projects the field on a projection object
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| 2 | %--------------------------------------------------------------------------
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[399] | 3 | % function [ProjData,errormsg]=proj_field(FieldData,ObjectData)
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[204] | 4 | %
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| 5 | % OUTPUT:
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| 6 | % ProjData structure containing the fields of the input field FieldData,
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| 7 | % transmitted or projected on the object, plus the additional fields
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| 8 | % .UMax, .UMin, .VMax, .VMin: min and max of velocity components in a domain
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| 9 | % .UMean,VMean: mean of the velocity components in a domain
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| 10 | % .AMin, AMax: min and max of a scalar
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| 11 | % .AMean: mean of a scalar in a domain
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| 12 | % .NbPix;
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| 13 | % .DimName= names of the matrix dimensions (matlab cell)
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| 14 | % .VarName= names of the variables [ProjData.VarName {'A','AMean','AMin','AMax'}];
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| 15 | % .VarDimNameIndex= dimensions of the variables, indicated by indices in the list .DimName;
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| 16 | %
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| 17 | %INPUT
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| 18 | % ObjectData: structure characterizing the projection object
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[379] | 19 | % .Type : type of projection object
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| 20 | % .ProjMode=mode of projection ;
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| 21 | % .CoordUnit: 'px', 'cm' units for the coordinates defining the object
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[397] | 22 | % .Angle ( angles of rotation (=[0 0 0] by default)
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[204] | 23 | % .ProjAngle=angle of projection;
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| 24 | % .DX,.DY,.DZ=increments along each coordinate
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| 25 | % .Coord(nbpoints,3): set of coordinates defining the object position;
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| 26 |
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| 27 | %FieldData: data of the field to be projected on the projection object, with optional fields
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| 28 | % .Txt: error message, transmitted to the projection
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[399] | 29 | % .FieldList: cell array of strings representing the fields to calculate
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[204] | 30 | % .Mesh: typical distance between data points (used for mouse action or display), transmitted
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| 31 | % .CoordUnit, .TimeUnit, .dt: transmitted
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| 32 | % standardised description of fields, nc-formated Matlab structure with fields:
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| 33 | % .ListGlobalAttribute: cell listing the names of the global attributes
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| 34 | % .Att_1,Att_2... : values of the global attributes
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| 35 | % .ListVarName: cell listing the names of the variables
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| 36 | % .VarAttribute: cell of structures s containing names and values of variable attributes (s.name=value) for each variable of .ListVarName
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| 37 | % .Var1, .Var2....: variables (Matlab arrays) with names listed in .ListVarName
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[512] | 38 | % The variables are grouped in 'fields', made of a set of variables with common dimensions (using the function find_field_cells)
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[204] | 39 | % The variable attribute 'Role' is used to define the role for plotting:
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| 40 | % Role = 'scalar': (default) represents a scalar field
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| 41 | % = 'coord': represents a set of unstructured coordinates, whose
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| 42 | % space dimension is given by the last array dimension (called 'NbDim').
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| 43 | % = 'coord_x', 'coord_y', 'coord_z': represents a separate set of
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| 44 | % unstructured coordinate x, y or z
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| 45 | % = 'vector': represents a vector field whose number of components
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| 46 | % is given by the last dimension (called 'NbDim')
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| 47 | % = 'vector_x', 'vector_y', 'vector_z' :represents the x, y or z component of a vector
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| 48 | % = 'warnflag' : provides a warning flag about the quality of data in a 'Field', default=0, no warning
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| 49 | % = 'errorflag': provides an error flag marking false data,
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| 50 | % default=0, no error. Different non zero values can represent different criteria of elimination.
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| 51 | %
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| 52 | % Default role of variables (by name)
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| 53 | % vector field:
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| 54 | % .X,.Y: position of the velocity vectors, projected on the object
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| 55 | % .U, .V, .W: velocity components, projected on the object
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| 56 | % .C, .CName: scalar associated to the vector
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| 57 | % .F : equivalent to 'warnflag'
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| 58 | % .FF: equivalent to 'errorflag'
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| 59 | % scalar field or image:
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| 60 | % .AName: name of a scalar (to be calculated from velocity fields after projection), transmitted
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| 61 | % .A: scalar, projected on the object
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| 62 | % .AX, .AY: positions for the scalar
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| 63 | % case of a structured grid: A is a dim 2 matrix and .AX=[first last] (length 2 vector) represents the first and last abscissa of the grid
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| 64 | % case of an unstructured scalar: A is a vector, AX and AY the corresponding coordinates
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| 65 | %
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| 66 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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| 67 | % Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
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| 68 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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| 69 | % This file is part of the toolbox UVMAT.
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| 70 | %
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| 71 | % UVMAT is free software; you can redistribute it and/or modify
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| 72 | % it under the terms of the GNU General Public License as published by
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| 73 | % the Free Software Foundation; either version 2 of the License, or
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| 74 | % (at your option) any later version.
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| 75 | %
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| 76 | % UVMAT is distributed in the hope that it will be useful,
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| 77 | % but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 78 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 79 | % GNU General Public License (file UVMAT/COPYING.txt) for more details.
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| 80 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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| 81 |
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[399] | 82 | function [ProjData,errormsg]=proj_field(FieldData,ObjectData)
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[206] | 83 | errormsg='';%default
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[408] | 84 | ProjData=[];
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| 85 |
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[515] | 86 | %% in the absence of object Type or projection mode, or object coordinaes, the output is empty
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| 87 | if ~isfield(ObjectData,'Type')||~isfield(ObjectData,'ProjMode')
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[204] | 88 | return
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| 89 | end
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[515] | 90 | % case of no projection (object is used only as graph display)
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| 91 | if isequal(ObjectData.ProjMode,'none')||isequal(ObjectData.ProjMode,'mask_inside')||isequal(ObjectData.ProjMode,'mask_outside')
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[408] | 92 | return
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| 93 | end
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[515] | 94 | if ~isfield(ObjectData,'Coord')||isempty(ObjectData.Coord)
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[379] | 95 | if strcmp(ObjectData.Type,'plane')
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[542] | 96 | ObjectData.Coord=[0 0];%default
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[204] | 97 | else
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| 98 | return
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| 99 | end
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| 100 | end
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| 101 |
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[397] | 102 | %% apply projection depending on the object type
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[379] | 103 | switch ObjectData.Type
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[204] | 104 | case 'points'
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| 105 | [ProjData,errormsg]=proj_points(FieldData,ObjectData);
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| 106 | case {'line','polyline'}
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| 107 | [ProjData,errormsg] = proj_line(FieldData,ObjectData);
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| 108 | case {'polygon','rectangle','ellipse'}
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| 109 | if isequal(ObjectData.ProjMode,'inside')||isequal(ObjectData.ProjMode,'outside')
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| 110 | [ProjData,errormsg] = proj_patch(FieldData,ObjectData);
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| 111 | else
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| 112 | [ProjData,errormsg] = proj_line(FieldData,ObjectData);
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| 113 | end
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| 114 | case 'plane'
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[399] | 115 | [ProjData,errormsg] = proj_plane(FieldData,ObjectData);
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[204] | 116 | case 'volume'
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| 117 | [ProjData,errormsg] = proj_volume(FieldData,ObjectData);
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| 118 | end
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| 119 |
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| 120 | %-----------------------------------------------------------------
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| 121 | %project on a set of points
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| 122 | function [ProjData,errormsg]=proj_points(FieldData,ObjectData)%%
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| 123 | %-------------------------------------------------------------------
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| 124 |
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| 125 | siz=size(ObjectData.Coord);
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| 126 | width=0;
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| 127 | if isfield(ObjectData,'Range')
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| 128 | width=ObjectData.Range(1,2);
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| 129 | end
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| 130 | if isfield(ObjectData,'RangeX')&&~isempty(ObjectData.RangeX)
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| 131 | width=max(ObjectData.RangeX);
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| 132 | end
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| 133 | if isfield(ObjectData,'RangeY')&&~isempty(ObjectData.RangeY)
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| 134 | width=max(width,max(ObjectData.RangeY));
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| 135 | end
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| 136 | if isfield(ObjectData,'RangeZ')&&~isempty(ObjectData.RangeZ)
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| 137 | width=max(width,max(ObjectData.RangeZ));
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| 138 | end
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| 139 | if isequal(ObjectData.ProjMode,'projection')
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| 140 | if width==0
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| 141 | errormsg='projection range around points needed';
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| 142 | return
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| 143 | end
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| 144 | elseif ~isequal(ObjectData.ProjMode,'interp')
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| 145 | errormsg=(['ProjMode option ' ObjectData.ProjMode ' not available in proj_field']);
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| 146 | return
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| 147 | end
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| 148 | [ProjData,errormsg]=proj_heading(FieldData,ObjectData);
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| 149 | ProjData.NbDim=0;
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[530] | 150 | [CellInfo,NbDimArray,errormsg]=find_field_cells(FieldData);
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[204] | 151 | if ~isempty(errormsg)
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| 152 | errormsg=['error in proj_field/proj_points:' errormsg];
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| 153 | return
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| 154 | end
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| 155 | %LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS
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[530] | 156 | for icell=1:length(CellInfo)
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| 157 | if NbDimArray(icell)<=1
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| 158 | continue %projection only for multidimensional fields
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[204] | 159 | end
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[530] | 160 | VarIndex=CellInfo{icell}.VarIndex;% indices of the selected variables in the list FieldData.ListVarName
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| 161 | ivar_X=CellInfo{icell}.CoordIndex(end);
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| 162 | ivar_Y=CellInfo{icell}.CoordIndex(end-1);
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| 163 | ivar_Z=[];
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| 164 | if NbDimArray(icell)==3
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| 165 | ivar_Z=CellInfo{icell}.CoordIndex(1);
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| 166 | end
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| 167 | ivar_FF=[];
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| 168 | if isfield(CellInfo{icell},'VarIndex_errorflag')
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| 169 | ivar_FF=CellInfo{icell}.VarIndex_errorflag;
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| 170 | if numel(ivar_FF)>1
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| 171 | errormsg='multiple error flag input';
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| 172 | return
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[204] | 173 | end
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[546] | 174 | end
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[530] | 175 | % select types of variables to be projected
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[533] | 176 | ListProj={'VarIndex_scalar','VarIndex_image','VarIndex_color','VarIndex_vector_x','VarIndex_vector_y'};
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| 177 | check_proj=false(size(FieldData.ListVarName));
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| 178 | for ilist=1:numel(ListProj)
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| 179 | if isfield(CellInfo{icell},ListProj{ilist})
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| 180 | check_proj(CellInfo{icell}.(ListProj{ilist}))=1;
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[530] | 181 | end
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| 182 | end
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[533] | 183 | VarIndex=find(check_proj);
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[204] | 184 | ProjData.ListVarName={'Y','X','NbVal'};
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| 185 | ProjData.VarDimName={'nb_points','nb_points','nb_points'};
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| 186 | ProjData.VarAttribute{1}.Role='ancillary';
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| 187 | ProjData.VarAttribute{2}.Role='ancillary';
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| 188 | ProjData.VarAttribute{3}.Role='ancillary';
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| 189 | for ivar=VarIndex
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| 190 | VarName=FieldData.ListVarName{ivar};
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[388] | 191 | ProjData.ListVarName=[ProjData.ListVarName {VarName}];% add the current variable to the list of projected variables
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| 192 | ProjData.VarDimName=[ProjData.VarDimName {'nb_points'}]; % projected VarName has a single dimension called 'nb_points' (set of projection points)
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[530] | 193 |
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[204] | 194 | end
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[530] | 195 | if strcmp( CellInfo{icell}.CoordType,'scattered')
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| 196 | coord_x=FieldData.(FieldData.ListVarName{ivar_X});
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| 197 | coord_y=FieldData.(FieldData.ListVarName{ivar_Y});
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[204] | 198 | test3D=0;% TEST 3D CASE : NOT COMPLETED , 3D CASE : NOT COMPLETED
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| 199 | if length(ivar_Z)==1
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[530] | 200 | coord_z=FieldData.(FieldData.ListVarName{ivar_Z});
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[204] | 201 | test3D=1;
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| 202 | end
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[530] | 203 |
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[204] | 204 | for ipoint=1:siz(1)
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| 205 | Xpoint=ObjectData.Coord(ipoint,:);
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| 206 | distX=coord_x-Xpoint(1);
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| 207 | distY=coord_y-Xpoint(2);
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| 208 | dist=distX.*distX+distY.*distY;
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| 209 | indsel=find(dist<width*width);
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| 210 | ProjData.X(ipoint,1)=Xpoint(1);
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| 211 | ProjData.Y(ipoint,1)=Xpoint(2);
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| 212 | if isequal(length(ivar_FF),1)
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| 213 | FFName=FieldData.ListVarName{ivar_FF};
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[388] | 214 | FF=FieldData.(FFName)(indsel);
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[215] | 215 | indsel=indsel(~FF);
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[204] | 216 | end
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| 217 | ProjData.NbVal(ipoint,1)=length(indsel);
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| 218 | for ivar=VarIndex
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| 219 | VarName=FieldData.ListVarName{ivar};
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| 220 | if isempty(indsel)
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[388] | 221 | ProjData.(VarName)(ipoint,1)=NaN;
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[204] | 222 | else
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[388] | 223 | Var=FieldData.(VarName)(indsel);
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| 224 | ProjData.(VarName)(ipoint,1)=mean(Var);
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[204] | 225 | if isequal(ObjectData.ProjMode,'interp')
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[372] | 226 | ProjData.(VarName)(ipoint,1)=griddata_uvmat(coord_x(indsel),coord_y(indsel),Var,Xpoint(1),Xpoint(2));
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[204] | 227 | end
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| 228 | end
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| 229 | end
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| 230 | end
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[388] | 231 | else %case of structured coordinates
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[530] | 232 | if strcmp( CellInfo{icell}.CoordType,'grid')
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| 233 | AYName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end-1)};
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| 234 | AXName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end)};
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[204] | 235 | eval(['AX=FieldData.' AXName ';']);% set of x positions
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| 236 | eval(['AY=FieldData.' AYName ';']);% set of y positions
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[388] | 237 | AName=FieldData.ListVarName{VarIndex(1)};% a single variable assumed in the current cell
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[204] | 238 | eval(['A=FieldData.' AName ';']);% scalar
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[530] | 239 | npxy=size(A);
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[388] | 240 | %update VarDimName in case of components (non coordinate dimensions e;g. color components)
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[530] | 241 | if numel(npxy)>NbDimArray(icell)
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[388] | 242 | ProjData.VarDimName{end}={'nb_points','component'};
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| 243 | end
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[530] | 244 | for idim=1:NbDimArray(icell) %loop on space dimensions
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[204] | 245 | test_interp(idim)=0;%test for coordiate interpolation (non regular grid), =0 by default
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| 246 | test_coord(idim)=0;%test for defined coordinates, =0 by default
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[530] | 247 | ivar=CellInfo{icell}.CoordIndex(idim);
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[388] | 248 | Coord{idim}=FieldData.(FieldData.ListVarName{ivar}); % position for the first index
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| 249 | if numel(Coord{idim})==2
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| 250 | DCoord_min(idim)= (Coord{idim}(2)-Coord{idim}(1))/(npxy(idim)-1);
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| 251 | else
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| 252 | DCoord=diff(Coord{idim});
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| 253 | DCoord_min(idim)=min(DCoord);
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| 254 | DCoord_max=max(DCoord);
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| 255 | test_direct(idim)=DCoord_max>0;% =1 for increasing values, 0 otherwise
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| 256 | test_direct_min=DCoord_min(idim)>0;% =1 for increasing values, 0 otherwise
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| 257 | if ~isequal(test_direct(idim),test_direct_min)
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| 258 | errormsg=['non monotonic dimension variable # ' num2str(idim) ' in proj_field.m'];
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| 259 | return
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[204] | 260 | end
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[388] | 261 | test_interp(idim)=(DCoord_max-DCoord_min(idim))> 0.0001*abs(DCoord_max);% test grid regularity
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| 262 | test_coord(idim)=1;
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| 263 | end
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[204] | 264 | end
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| 265 | DX=DCoord_min(2);
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| 266 | DY=DCoord_min(1);
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| 267 | for ipoint=1:siz(1)
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| 268 | xwidth=width/(abs(DX));
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| 269 | ywidth=width/(abs(DY));
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| 270 | i_min=round((ObjectData.Coord(ipoint,1)-Coord{2}(1))/DX+0.5-xwidth); %minimum index of the selected region
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| 271 | i_min=max(1,i_min);%restrict to field limit
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| 272 | i_plus=round((ObjectData.Coord(ipoint,1)-Coord{2}(1))/DX+0.5+xwidth);
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| 273 | i_plus=min(npxy(2),i_plus); %restrict to field limit
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| 274 | j_min=round((ObjectData.Coord(ipoint,2)-Coord{1}(1))/DY-ywidth+0.5);
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| 275 | j_min=max(1,j_min);
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| 276 | j_plus=round((ObjectData.Coord(ipoint,2)-Coord{1}(1))/DY+ywidth+0.5);
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| 277 | j_plus=min(npxy(1),j_plus);
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| 278 | ProjData.X(ipoint,1)=ObjectData.Coord(ipoint,1);
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| 279 | ProjData.Y(ipoint,1)=ObjectData.Coord(ipoint,2);
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| 280 | i_int=(i_min:i_plus);
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| 281 | j_int=(j_min:j_plus);
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| 282 | ProjData.NbVal(ipoint,1)=length(j_int)*length(i_int);
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| 283 | if isempty(i_int) || isempty(j_int)
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| 284 | for ivar=VarIndex
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| 285 | eval(['ProjData.' FieldData.ListVarName{ivar} '(ipoint,:)=NaN;']);
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| 286 | end
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| 287 | errormsg=['no data points in the selected projection range ' num2str(width) ];
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| 288 | else
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| 289 | %TODO: introduce circle in the selected subregion
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| 290 | %[I,J]=meshgrid([1:j_int],[1:i_int]);
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| 291 | for ivar=VarIndex
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[388] | 292 | Avalue=FieldData.(FieldData.ListVarName{ivar})(j_int,i_int,:);
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| 293 | ProjData.(FieldData.ListVarName{ivar})(ipoint,:)=mean(mean(Avalue));
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[204] | 294 | end
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| 295 | end
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| 296 | end
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| 297 | end
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| 298 | end
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| 299 | end
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| 300 |
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| 301 | %-----------------------------------------------------------------
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| 302 | %project in a patch
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| 303 | function [ProjData,errormsg]=proj_patch(FieldData,ObjectData)%%
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| 304 | %-------------------------------------------------------------------
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| 305 | [ProjData,errormsg]=proj_heading(FieldData,ObjectData);
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| 306 |
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| 307 | objectfield=fieldnames(ObjectData);
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| 308 | widthx=0;
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| 309 | widthy=0;
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| 310 | if isfield(ObjectData,'RangeX')&~isempty(ObjectData.RangeX)
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| 311 | widthx=max(ObjectData.RangeX);
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| 312 | end
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| 313 | if isfield(ObjectData,'RangeY')&~isempty(ObjectData.RangeY)
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| 314 | widthy=max(ObjectData.RangeY);
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| 315 | end
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| 316 |
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| 317 | %A REVOIR, GENERALISER: UTILISER proj_line
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| 318 | ProjData.NbDim=1;
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| 319 | ProjData.ListVarName={};
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| 320 | ProjData.VarDimName={};
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| 321 | ProjData.VarAttribute={};
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| 322 |
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| 323 | Mesh=zeros(1,numel(FieldData.ListVarName));
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| 324 | if isfield (FieldData,'VarAttribute')
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| 325 | %ProjData.VarAttribute=FieldData.VarAttribute;%list of variable attribute names
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| 326 | for iattr=1:length(FieldData.VarAttribute)%initialization of variable attribute values
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| 327 | % ProjData.VarAttribute{iattr}={};
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| 328 | if isfield(FieldData.VarAttribute{iattr},'Unit')
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| 329 | unit{iattr}=FieldData.VarAttribute{iattr}.Unit;
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| 330 | end
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| 331 | if isfield(FieldData.VarAttribute{iattr},'Mesh')
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| 332 | Mesh(iattr)=FieldData.VarAttribute{iattr}.Mesh;
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| 333 | end
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| 334 | end
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| 335 | end
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| 336 |
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| 337 | %group the variables (fields of 'FieldData') in cells of variables with the same dimensions
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[530] | 338 | [CellInfo,NbDim,errormsg]=find_field_cells(FieldData);
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[204] | 339 | if ~isempty(errormsg)
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| 340 | errormsg=['error in proj_field/proj_patch:' errormsg];
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| 341 | return
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| 342 | end
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| 343 |
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| 344 | %LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS
|
---|
[530] | 345 | for icell=1:length(CellInfo)
|
---|
[204] | 346 | testX=0;
|
---|
| 347 | testY=0;
|
---|
| 348 | test_Amat=0;
|
---|
| 349 | if NbDim(icell)~=2% proj_patch acts only on fields of space dimension 2
|
---|
| 350 | continue
|
---|
| 351 | end
|
---|
[533] | 352 | ivar_FF=[];
|
---|
[530] | 353 | testfalse=isfield(CellInfo{icell},'VarIndex_errorflag');
|
---|
[533] | 354 | if testfalse
|
---|
| 355 | ivar_FF=CellInfo{icell}.VarIndex_errorflag;
|
---|
| 356 | FFName=FieldData.ListVarName{ivar_FF};
|
---|
| 357 | errorflag=FieldData.(FFName);
|
---|
| 358 | end
|
---|
| 359 | % select types of variables to be projected
|
---|
| 360 | ListProj={'VarIndex_scalar','VarIndex_image','VarIndex_color','VarIndex_vector_x','VarIndex_vector_y'};
|
---|
| 361 | check_proj=false(size(FieldData.ListVarName));
|
---|
| 362 | for ilist=1:numel(ListProj)
|
---|
| 363 | if isfield(CellInfo{icell},ListProj{ilist})
|
---|
| 364 | check_proj(CellInfo{icell}.(ListProj{ilist}))=1;
|
---|
| 365 | end
|
---|
| 366 | end
|
---|
| 367 | VarIndex=find(check_proj);
|
---|
| 368 |
|
---|
[530] | 369 | ivar_X=CellInfo{icell}.CoordIndex(end);
|
---|
| 370 | ivar_Y=CellInfo{icell}.CoordIndex(end-1);
|
---|
| 371 | ivar_Z=[];
|
---|
[533] | 372 | if NbDim(icell)==3
|
---|
[530] | 373 | ivar_Z=CellInfo{icell}.CoordIndex(1);
|
---|
| 374 | end
|
---|
| 375 | if strcmp(CellInfo{icell}.CoordType,'scattered')%case of unstructured coordinates
|
---|
[533] | 376 | %nbpoint=numel(FieldData.(FieldData.ListVarName{VarIndex(1)}));
|
---|
| 377 | for ivar=[VarIndex ivar_X ivar_Y ivar_FF]
|
---|
| 378 | VarName=FieldData.ListVarName{ivar};
|
---|
| 379 | FieldData.(VarName)=reshape(FieldData.(VarName),[],1);
|
---|
| 380 | end
|
---|
| 381 | XName=FieldData.ListVarName{ivar_X};
|
---|
| 382 | YName=FieldData.ListVarName{ivar_Y};
|
---|
| 383 | coord_x=FieldData.(XName);
|
---|
| 384 | coord_y=FieldData.(YName);
|
---|
[204] | 385 | end
|
---|
| 386 | % image or 2D matrix
|
---|
[530] | 387 | if strcmp(CellInfo{icell}.CoordType,'grid')%case of structured coordinates
|
---|
[204] | 388 | test_Amat=1;% test for image or 2D matrix
|
---|
[530] | 389 | AYName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end-1)};
|
---|
| 390 | AXName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end)};
|
---|
[204] | 391 | eval(['AX=FieldData.' AXName ';'])% x coordinate
|
---|
| 392 | eval(['AY=FieldData.' AYName ';'])% y coordinate
|
---|
| 393 | VarName=FieldData.ListVarName{VarIndex(1)};
|
---|
[388] | 394 | DimValue=size(FieldData.(VarName));
|
---|
[533] | 395 | if length(AX)==2
|
---|
| 396 | AX=linspace(AX(1),AX(end),DimValue(2));
|
---|
| 397 | end
|
---|
| 398 | if length(AY)==2
|
---|
| 399 | AY=linspace(AY(1),AY(end),DimValue(1));
|
---|
| 400 | end
|
---|
[204] | 401 | if length(DimValue)==3
|
---|
| 402 | testcolor=1;
|
---|
| 403 | npxy(3)=3;
|
---|
| 404 | else
|
---|
| 405 | testcolor=0;
|
---|
| 406 | npxy(3)=1;
|
---|
| 407 | end
|
---|
| 408 | [Xi,Yi]=meshgrid(AX,AY);
|
---|
| 409 | npxy(1)=length(AY);
|
---|
| 410 | npxy(2)=length(AX);
|
---|
| 411 | Xi=reshape(Xi,npxy(1)*npxy(2),1);
|
---|
| 412 | Yi=reshape(Yi,npxy(1)*npxy(2),1);
|
---|
| 413 | for ivar=1:length(VarIndex)
|
---|
| 414 | VarName=FieldData.ListVarName{VarIndex(ivar)};
|
---|
[533] | 415 | FieldData.(VarName)=reshape(FieldData.(VarName),npxy(1)*npxy(2),npxy(3)); % keep only non false vectors
|
---|
[204] | 416 | end
|
---|
| 417 | end
|
---|
[533] | 418 | %select the indices in the range of action
|
---|
[204] | 419 | testin=[];%default
|
---|
[379] | 420 | if isequal(ObjectData.Type,'rectangle')
|
---|
[533] | 421 | if strcmp(CellInfo{icell}.CoordType,'scattered')
|
---|
[204] | 422 | distX=abs(coord_x-ObjectData.Coord(1,1));
|
---|
| 423 | distY=abs(coord_y-ObjectData.Coord(1,2));
|
---|
| 424 | testin=distX<widthx & distY<widthy;
|
---|
[533] | 425 | elseif test_Amat
|
---|
| 426 | distX=abs(Xi-ObjectData.Coord(1,1));
|
---|
| 427 | distY=abs(Yi-ObjectData.Coord(1,2));
|
---|
| 428 | testin=distX<widthx & distY<widthy;
|
---|
| 429 | end
|
---|
[379] | 430 | elseif isequal(ObjectData.Type,'polygon')
|
---|
[204] | 431 | if testX
|
---|
| 432 | testin=inpolygon(coord_x,coord_y,ObjectData.Coord(:,1),ObjectData.Coord(:,2));
|
---|
| 433 | elseif test_Amat
|
---|
[533] | 434 | testin=inpolygon(Xi,Yi,ObjectData.Coord(:,1),ObjectData.Coord(:,2));
|
---|
| 435 | else%calculate the scalar
|
---|
| 436 | testin=[]; %A REVOIR
|
---|
| 437 | end
|
---|
[379] | 438 | elseif isequal(ObjectData.Type,'ellipse')
|
---|
[533] | 439 | X2Max=widthx*widthx;
|
---|
| 440 | Y2Max=(widthy)*(widthy);
|
---|
| 441 | if testX
|
---|
[204] | 442 | distX=(coord_x-ObjectData.Coord(1,1));
|
---|
| 443 | distY=(coord_y-ObjectData.Coord(1,2));
|
---|
| 444 | testin=(distX.*distX/X2Max+distY.*distY/Y2Max)<1;
|
---|
[533] | 445 | elseif test_Amat %case of usual 2x2 matrix
|
---|
| 446 | distX=(Xi-ObjectData.Coord(1,1));
|
---|
| 447 | distY=(Yi-ObjectData.Coord(1,2));
|
---|
| 448 | testin=(distX.*distX/X2Max+distY.*distY/Y2Max)<1;
|
---|
| 449 | end
|
---|
[204] | 450 | end
|
---|
| 451 | %selected indices
|
---|
| 452 | if isequal(ObjectData.ProjMode,'outside')
|
---|
[533] | 453 | testin=~testin;
|
---|
[204] | 454 | end
|
---|
| 455 | if testfalse
|
---|
[533] | 456 | testin=testin & (errorflag==0); % keep only non false vectors
|
---|
[204] | 457 | end
|
---|
| 458 | indsel=find(testin);
|
---|
| 459 | for ivar=VarIndex
|
---|
[533] | 460 | VarName=FieldData.ListVarName{ivar};
|
---|
| 461 | ProjData.([VarName 'Mean'])=mean(double(FieldData.(VarName)(indsel,:))); % take the mean in the selected region, for each color component
|
---|
| 462 | ProjData.([VarName 'Min'])=min(double(FieldData.(VarName)(indsel,:))); % take the min in the selected region , for each color component
|
---|
| 463 | ProjData.([VarName 'Max'])=max(double(FieldData.(VarName)(indsel,:))); % take the max in the selected region , for each color component
|
---|
| 464 | if isequal(Mesh(ivar),0)
|
---|
| 465 | eval(['[ProjData.' VarName 'Histo,ProjData.' VarName ']=hist(double(FieldData.' VarName '(indsel,:,:)),100);']); % default histogram with 100 bins
|
---|
| 466 | else
|
---|
| 467 | eval(['ProjData.' VarName '=(ProjData.' VarName 'Min+Mesh(ivar)/2:Mesh(ivar):ProjData.' VarName 'Max);']); % list of bin values
|
---|
| 468 | eval(['ProjData.' VarName 'Histo=hist(double(FieldData.' VarName '(indsel,:)),ProjData.' VarName ');']); % histogram at predefined bin positions
|
---|
[204] | 469 | end
|
---|
[533] | 470 | ProjData.ListVarName=[ProjData.ListVarName {VarName} {[VarName 'Histo']} {[VarName 'Mean']} {[VarName 'Min']} {[VarName 'Max']}];
|
---|
| 471 | if test_Amat && testcolor
|
---|
| 472 | ProjData.VarDimName=[ProjData.VarDimName {VarName} {{VarName,'rgb'}} {'rgb'} {'rgb'} {'rgb'}];%{{'nb_point','rgb'}};
|
---|
| 473 | else
|
---|
| 474 | ProjData.VarDimName=[ProjData.VarDimName {VarName} {VarName} {'one'} {'one'} {'one'}];
|
---|
| 475 | end
|
---|
[537] | 476 | if isfield(FieldData,'VarAttribute')&& numel(FieldData.VarAttribute)>=ivar
|
---|
[533] | 477 | ProjData.VarAttribute=[ProjData.VarAttribute FieldData.VarAttribute{ivar} {[]} {[]} {[]} {[]}];
|
---|
[537] | 478 | end
|
---|
[533] | 479 | end
|
---|
[204] | 480 | end
|
---|
| 481 |
|
---|
| 482 |
|
---|
| 483 | %-----------------------------------------------------------------
|
---|
| 484 | %project on a line
|
---|
| 485 | % AJOUTER flux,circul,error
|
---|
[492] | 486 | % OUTPUT:
|
---|
| 487 | % ProjData: projected field
|
---|
| 488 | %
|
---|
[204] | 489 | function [ProjData,errormsg] = proj_line(FieldData, ObjectData)
|
---|
| 490 | %-----------------------------------------------------------------
|
---|
| 491 | [ProjData,errormsg]=proj_heading(FieldData,ObjectData);%transfer global attributes
|
---|
| 492 | if ~isempty(errormsg)
|
---|
| 493 | return
|
---|
| 494 | end
|
---|
| 495 | ProjData.NbDim=1;
|
---|
| 496 | %initialisation of the input parameters and defaultoutput
|
---|
[515] | 497 | ProjMode=ObjectData.ProjMode;
|
---|
[379] | 498 | % ProjAngle=90; %90 degrees projection by default
|
---|
[492] | 499 |
|
---|
[204] | 500 | width=0;%default width of the projection band
|
---|
[379] | 501 | if isfield(ObjectData,'Range')&&size(ObjectData.Range,2)>=2
|
---|
[204] | 502 | width=abs(ObjectData.Range(1,2));
|
---|
| 503 | end
|
---|
| 504 | if isfield(ObjectData,'RangeY')
|
---|
| 505 | width=max(ObjectData.RangeY);
|
---|
| 506 | end
|
---|
| 507 |
|
---|
| 508 | % default output
|
---|
| 509 | errormsg=[];%default
|
---|
| 510 | Xline=[];
|
---|
| 511 | flux=0;
|
---|
| 512 | circul=0;
|
---|
| 513 | liny=ObjectData.Coord(:,2);
|
---|
| 514 | siz_line=size(ObjectData.Coord);
|
---|
| 515 | if siz_line(1)<2
|
---|
| 516 | return% line needs at least 2 points to be defined
|
---|
| 517 | end
|
---|
| 518 | testfalse=0;
|
---|
| 519 | ListIndex={};
|
---|
| 520 |
|
---|
[492] | 521 | %% angles of the polyline and boundaries of action
|
---|
[204] | 522 | dlinx=diff(ObjectData.Coord(:,1));
|
---|
| 523 | dliny=diff(ObjectData.Coord(:,2));
|
---|
[492] | 524 | theta=angle(dlinx+1i*dliny);%angle of each segment
|
---|
[204] | 525 | theta(siz_line(1))=theta(siz_line(1)-1);
|
---|
| 526 | % determine a rectangles at +-width from the line (only used for the ProjMode='projection or 'filter')
|
---|
[492] | 527 | xsup=zeros(1,siz_line(1)); xinf=zeros(1,siz_line(1)); ysup=zeros(1,siz_line(1)); yinf=zeros(1,siz_line(1));
|
---|
[204] | 528 | if isequal(ProjMode,'projection') || isequal(ProjMode,'filter')
|
---|
| 529 | xsup(1)=ObjectData.Coord(1,1)-width*sin(theta(1));
|
---|
| 530 | xinf(1)=ObjectData.Coord(1,1)+width*sin(theta(1));
|
---|
| 531 | ysup(1)=ObjectData.Coord(1,2)+width*cos(theta(1));
|
---|
| 532 | yinf(1)=ObjectData.Coord(1,2)-width*cos(theta(1));
|
---|
| 533 | for ip=2:siz_line(1)
|
---|
| 534 | xsup(ip)=ObjectData.Coord(ip,1)-width*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
|
---|
| 535 | xinf(ip)=ObjectData.Coord(ip,1)+width*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
|
---|
| 536 | ysup(ip)=ObjectData.Coord(ip,2)+width*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
|
---|
| 537 | yinf(ip)=ObjectData.Coord(ip,2)-width*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
|
---|
| 538 | end
|
---|
| 539 | end
|
---|
| 540 |
|
---|
[492] | 541 | %% group the variables (fields of 'FieldData') in cells of variables with the same dimensions
|
---|
[530] | 542 | [CellInfo,NbDim,errormsg]=find_field_cells(FieldData);
|
---|
[204] | 543 | if ~isempty(errormsg)
|
---|
| 544 | errormsg=['error in proj_field/proj_line:' errormsg];
|
---|
| 545 | return
|
---|
| 546 | end
|
---|
| 547 |
|
---|
[492] | 548 | %% loop on variable cells with the same space dimension
|
---|
[204] | 549 | ProjData.ListVarName={};
|
---|
| 550 | ProjData.VarDimName={};
|
---|
[530] | 551 | for icell=1:length(CellInfo)
|
---|
[204] | 552 | if NbDim(icell)~=2% proj_line acts only on fields of space dimension 2, TODO: check 3D case
|
---|
| 553 | continue
|
---|
| 554 | end
|
---|
[492] | 555 |
|
---|
[530] | 556 | % select types of variables to be projected
|
---|
[533] | 557 | ListProj={'VarIndex_scalar','VarIndex_image','VarIndex_color','VarIndex_vector_x','VarIndex_vector_y'};
|
---|
| 558 | check_proj=false(size(FieldData.ListVarName));
|
---|
| 559 | for ilist=1:numel(ListProj)
|
---|
| 560 | if isfield(CellInfo{icell},ListProj{ilist})
|
---|
| 561 | check_proj(CellInfo{icell}.(ListProj{ilist}))=1;
|
---|
[530] | 562 | end
|
---|
| 563 | end
|
---|
[533] | 564 | VarIndex=find(check_proj);
|
---|
[530] | 565 |
|
---|
[204] | 566 | %identify vector components
|
---|
[530] | 567 | testU=isfield(CellInfo{icell},'VarIndex_vector_x') &&isfield(CellInfo{icell},'VarIndex_vector_y') ;% test for vectors
|
---|
[204] | 568 | if testU
|
---|
[530] | 569 | UName=FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_x};
|
---|
| 570 | VName=FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_y};
|
---|
[492] | 571 | vector_x=FieldData.(UName);
|
---|
| 572 | vector_y=FieldData.(VName);
|
---|
[204] | 573 | end
|
---|
| 574 | %identify error flag
|
---|
[530] | 575 | testfalse=isfield(CellInfo{icell},'VarIndex_errorflag');% test for error flag
|
---|
[204] | 576 | if testfalse
|
---|
[530] | 577 | FFName=FieldData.ListVarName{CellInfo{icell}.VarIndex_errorflag};
|
---|
[492] | 578 | errorflag=FieldData.(FFName);
|
---|
[204] | 579 | end
|
---|
| 580 | % check needed object properties for unstructured positions (position given by the variables with role coord_x, coord_y
|
---|
[530] | 581 | if strcmp(CellInfo{icell}.CoordType,'scattered')
|
---|
[204] | 582 | if ~isequal(ProjMode,'interp')
|
---|
| 583 | if width==0
|
---|
| 584 | errormsg='range of the projection object is missing';
|
---|
| 585 | return
|
---|
| 586 | else
|
---|
| 587 | lambda=2/(width*width); %smoothing factor used for filter: weight exp(-2) at distance width from the line
|
---|
| 588 | end
|
---|
| 589 | end
|
---|
| 590 | if ~isequal(ProjMode,'projection')
|
---|
| 591 | if isfield(ObjectData,'DX')&~isempty(ObjectData.DX)
|
---|
| 592 | DX=abs(ObjectData.DX);%mesh of interpolation points along the line
|
---|
| 593 | else
|
---|
| 594 | errormsg='DX missing';
|
---|
| 595 | return
|
---|
| 596 | end
|
---|
| 597 | end
|
---|
[530] | 598 | XName= FieldData.ListVarName{CellInfo{icell}.CoordIndex(end)};
|
---|
| 599 | YName= FieldData.ListVarName{CellInfo{icell}.CoordIndex(end-1)};
|
---|
[492] | 600 | coord_x=FieldData.(XName);
|
---|
| 601 | coord_y=FieldData.(YName);
|
---|
[204] | 602 | end
|
---|
| 603 | %initiate projection
|
---|
| 604 | for ivar=1:length(VarIndex)
|
---|
| 605 | ProjLine{ivar}=[];
|
---|
| 606 | end
|
---|
| 607 | XLine=[];
|
---|
| 608 | linelengthtot=0;
|
---|
| 609 |
|
---|
| 610 | % circul=0;
|
---|
| 611 | % flux=0;
|
---|
| 612 | %%%%%%% % A FAIRE CALCULER MEAN DES QUANTITES %%%%%%
|
---|
| 613 | %case of unstructured coordinates
|
---|
[530] | 614 | if strcmp(CellInfo{icell}.CoordType,'scattered')
|
---|
[204] | 615 | for ip=1:siz_line(1)-1 %Loop on the segments of the polyline
|
---|
| 616 | linelength=sqrt(dlinx(ip)*dlinx(ip)+dliny(ip)*dliny(ip));
|
---|
| 617 | %select the vector indices in the range of action
|
---|
| 618 | if testfalse
|
---|
| 619 | flagsel=(errorflag==0); % keep only non false vectors
|
---|
| 620 | else
|
---|
| 621 | flagsel=ones(size(coord_x));
|
---|
| 622 | end
|
---|
| 623 | if isequal(ProjMode,'projection') | isequal(ProjMode,'filter')
|
---|
| 624 | flagsel=flagsel & ((coord_y -yinf(ip))*(xinf(ip+1)-xinf(ip))>(coord_x-xinf(ip))*(yinf(ip+1)-yinf(ip))) ...
|
---|
| 625 | & ((coord_y -ysup(ip))*(xsup(ip+1)-xsup(ip))<(coord_x-xsup(ip))*(ysup(ip+1)-ysup(ip))) ...
|
---|
| 626 | & ((coord_y -yinf(ip+1))*(xsup(ip+1)-xinf(ip+1))>(coord_x-xinf(ip+1))*(ysup(ip+1)-yinf(ip+1))) ...
|
---|
| 627 | & ((coord_y -yinf(ip))*(xsup(ip)-xinf(ip))<(coord_x-xinf(ip))*(ysup(ip)-yinf(ip)));
|
---|
| 628 | end
|
---|
| 629 | indsel=find(flagsel);%indsel =indices of good vectors
|
---|
| 630 | X_sel=coord_x(indsel);
|
---|
| 631 | Y_sel=coord_y(indsel);
|
---|
| 632 | nbvar=0;
|
---|
| 633 | for iselect=1:numel(VarIndex)-2*testU
|
---|
| 634 | VarName=FieldData.ListVarName{VarIndex(iselect)};
|
---|
| 635 | eval(['ProjVar{iselect}=FieldData.' VarName '(indsel);']);%scalar value
|
---|
| 636 | end
|
---|
| 637 | if testU
|
---|
| 638 | ProjVar{numel(VarIndex)-1}=cos(theta(ip))*vector_x(indsel)+sin(theta(ip))*vector_y(indsel);% longitudinal component
|
---|
| 639 | ProjVar{numel(VarIndex)}=-sin(theta(ip))*vector_x(indsel)+cos(theta(ip))*vector_y(indsel);%transverse component
|
---|
| 640 | end
|
---|
| 641 | if isequal(ProjMode,'projection')
|
---|
| 642 | sintheta=sin(theta(ip));
|
---|
| 643 | costheta=cos(theta(ip));
|
---|
| 644 | Xproj=(X_sel-ObjectData.Coord(ip,1))*costheta + (Y_sel-ObjectData.Coord(ip,2))*sintheta; %projection on the line
|
---|
| 645 | [Xproj,indsort]=sort(Xproj);
|
---|
| 646 | for ivar=1:numel(ProjVar)
|
---|
| 647 | if ~isempty(ProjVar{ivar})
|
---|
| 648 | ProjVar{ivar}=ProjVar{ivar}(indsort);
|
---|
| 649 | end
|
---|
| 650 | end
|
---|
| 651 | elseif isequal(ProjMode,'interp') %linear interpolation:
|
---|
| 652 | npoint=floor(linelength/DX)+1;% nbre of points in the profile (interval DX)
|
---|
[206] | 653 | Xproj=linelength/(2*npoint):linelength/npoint:linelength-linelength/(2*npoint);
|
---|
[204] | 654 | xreg=cos(theta(ip))*Xproj+ObjectData.Coord(ip,1);
|
---|
| 655 | yreg=sin(theta(ip))*Xproj+ObjectData.Coord(ip,2);
|
---|
| 656 | for ivar=1:numel(ProjVar)
|
---|
| 657 | if ~isempty(ProjVar{ivar})
|
---|
| 658 | ProjVar{ivar}=griddata_uvmat(X_sel,Y_sel,ProjVar{ivar},xreg,yreg);
|
---|
| 659 | end
|
---|
| 660 | end
|
---|
| 661 | elseif isequal(ProjMode,'filter') %filtering
|
---|
| 662 | npoint=floor(linelength/DX)+1;% nbre of points in the profile (interval DX)
|
---|
[213] | 663 | Xproj=linelength/(2*npoint):linelength/npoint:linelength-linelength/(2*npoint);
|
---|
[204] | 664 | siz=size(X_sel);
|
---|
[215] | 665 | xregij=cos(theta(ip))*ones(siz(1),1)*Xproj+ObjectData.Coord(ip,1);
|
---|
| 666 | yregij=sin(theta(ip))*ones(siz(1),1)*Xproj+ObjectData.Coord(ip,2);
|
---|
| 667 | xij=X_sel*ones(1,npoint);
|
---|
| 668 | yij=Y_sel*ones(1,npoint);
|
---|
[204] | 669 | Aij=exp(-lambda*((xij-xregij).*(xij-xregij)+(yij-yregij).*(yij-yregij)));
|
---|
[215] | 670 | norm=Aij'*ones(siz(1),1);
|
---|
[204] | 671 | for ivar=1:numel(ProjVar)
|
---|
| 672 | if ~isempty(ProjVar{ivar})
|
---|
[215] | 673 | ProjVar{ivar}=Aij'*ProjVar{ivar}./norm;
|
---|
[204] | 674 | end
|
---|
| 675 | end
|
---|
| 676 | end
|
---|
| 677 | %prolongate the total record
|
---|
| 678 | for ivar=1:numel(ProjVar)
|
---|
| 679 | if ~isempty(ProjVar{ivar})
|
---|
| 680 | ProjLine{ivar}=[ProjLine{ivar}; ProjVar{ivar}];
|
---|
| 681 | end
|
---|
| 682 | end
|
---|
| 683 | XLine=[XLine ;(Xproj+linelengthtot)];%along line abscissa
|
---|
| 684 | linelengthtot=linelengthtot+linelength;
|
---|
| 685 | % circul=circul+(sum(U_sel))*linelength/npoint;
|
---|
| 686 | % flux=flux+(sum(V_sel))*linelength/npoint;
|
---|
| 687 | end
|
---|
| 688 | ProjData.X=XLine';
|
---|
| 689 | ProjData.ListVarName=[ProjData.ListVarName {XName}];
|
---|
| 690 | ProjData.VarDimName=[ProjData.VarDimName {XName}];
|
---|
| 691 | ProjData.VarAttribute{1}.long_name='abscissa along line';
|
---|
| 692 | for iselect=1:numel(VarIndex)
|
---|
| 693 | VarName=FieldData.ListVarName{VarIndex(iselect)};
|
---|
| 694 | eval(['ProjData.' VarName '=ProjLine{iselect};'])
|
---|
| 695 | ProjData.ListVarName=[ProjData.ListVarName {VarName}];
|
---|
| 696 | ProjData.VarDimName=[ProjData.VarDimName {XName}];
|
---|
| 697 | ProjData.VarAttribute{iselect}=FieldData.VarAttribute{VarIndex(iselect)};
|
---|
| 698 | if strcmp(ProjMode,'projection')
|
---|
| 699 | ProjData.VarAttribute{iselect}.Role='discrete';
|
---|
| 700 | else
|
---|
| 701 | ProjData.VarAttribute{iselect}.Role='continuous';
|
---|
| 702 | end
|
---|
| 703 | end
|
---|
| 704 |
|
---|
| 705 | %case of structured coordinates
|
---|
[530] | 706 | elseif strcmp(CellInfo{icell}.CoordType,'grid')
|
---|
[379] | 707 | if ~isequal(ObjectData.Type,'line')% exclude polyline
|
---|
| 708 | errormsg=['no projection available on ' ObjectData.Type 'for structured coordinates']; %
|
---|
[204] | 709 | else
|
---|
| 710 | test_Amat=1;%image or 2D matrix
|
---|
[546] | 711 | test_interp2=0;%default
|
---|
[530] | 712 | AYName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end-1)};
|
---|
| 713 | AXName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(end)};
|
---|
[204] | 714 | eval(['AX=FieldData.' AXName ';']);% set of x positions
|
---|
| 715 | eval(['AY=FieldData.' AYName ';']);% set of y positions
|
---|
| 716 | AName=FieldData.ListVarName{VarIndex(1)};
|
---|
| 717 | eval(['A=FieldData.' AName ';']);% scalar
|
---|
| 718 | npxy=size(A);
|
---|
| 719 | npx=npxy(2);
|
---|
| 720 | npy=npxy(1);
|
---|
| 721 | if numel(AX)==2
|
---|
| 722 | DX=(AX(2)-AX(1))/(npx-1);
|
---|
| 723 | else
|
---|
| 724 | DX_vec=diff(AX);
|
---|
| 725 | DX=max(DX_vec);
|
---|
| 726 | DX_min=min(DX_vec);
|
---|
| 727 | if (DX-DX_min)>0.0001*abs(DX)
|
---|
| 728 | test_interp2=1;
|
---|
| 729 | DX=DX_min;
|
---|
| 730 | end
|
---|
| 731 | end
|
---|
| 732 | if numel(AY)==2
|
---|
| 733 | DY=(AY(2)-AY(1))/(npy-1);
|
---|
| 734 | else
|
---|
| 735 | DY_vec=diff(AY);
|
---|
| 736 | DY=max(DY_vec);
|
---|
| 737 | DY_min=min(DY_vec);
|
---|
| 738 | if (DY-DY_min)>0.0001*abs(DY)
|
---|
| 739 | test_interp2=1;
|
---|
| 740 | DY=DY_min;
|
---|
| 741 | end
|
---|
| 742 | end
|
---|
| 743 | AXI=linspace(AX(1),AX(end), npx);%set of x positions for the interpolated input data
|
---|
| 744 | AYI=linspace(AY(1),AY(end), npy);%set of x positions for the interpolated input data
|
---|
| 745 | if isfield(ObjectData,'DX')
|
---|
| 746 | DXY_line=ObjectData.DX;%mesh on the projection line
|
---|
| 747 | else
|
---|
| 748 | DXY_line=sqrt(abs(DX*DY));% mesh on the projection line
|
---|
| 749 | end
|
---|
| 750 | dlinx=ObjectData.Coord(2,1)-ObjectData.Coord(1,1);
|
---|
| 751 | dliny=ObjectData.Coord(2,2)-ObjectData.Coord(1,2);
|
---|
| 752 | linelength=sqrt(dlinx*dlinx+dliny*dliny);
|
---|
| 753 | theta=angle(dlinx+i*dliny);%angle of the line
|
---|
| 754 | if isfield(FieldData,'RangeX')
|
---|
| 755 | XMin=min(FieldData.RangeX);%shift of the origin on the line
|
---|
| 756 | else
|
---|
| 757 | XMin=0;
|
---|
| 758 | end
|
---|
| 759 | eval(['ProjData.' AXName '=linspace(XMin,XMin+linelength,linelength/DXY_line+1);'])%abscissa of the new pixels along the line
|
---|
| 760 | y=linspace(-width,width,2*width/DXY_line+1);%ordintes of the new pixels (coordinate across the line)
|
---|
| 761 | eval(['npX=length(ProjData.' AXName ');'])
|
---|
| 762 | npY=length(y); %TODO: utiliser proj_grid
|
---|
| 763 | eval(['[X,Y]=meshgrid(ProjData.' AXName ',y);'])%grid in the line coordinates
|
---|
| 764 | XIMA=ObjectData.Coord(1,1)+(X-XMin)*cos(theta)-Y*sin(theta);
|
---|
| 765 | YIMA=ObjectData.Coord(1,2)+(X-XMin)*sin(theta)+Y*cos(theta);
|
---|
| 766 | XIMA=(XIMA-AX(1))/DX+1;% index of the original image along x
|
---|
| 767 | YIMA=(YIMA-AY(1))/DY+1;% index of the original image along y
|
---|
| 768 | XIMA=reshape(round(XIMA),1,npX*npY);%indices reorganized in 'line'
|
---|
| 769 | YIMA=reshape(round(YIMA),1,npX*npY);
|
---|
| 770 | flagin=XIMA>=1 & XIMA<=npx & YIMA >=1 & YIMA<=npy;%flagin=1 inside the original image
|
---|
| 771 | ind_in=find(flagin);
|
---|
| 772 | ind_out=find(~flagin);
|
---|
| 773 | ICOMB=(XIMA-1)*npy+YIMA;
|
---|
| 774 | ICOMB=ICOMB(flagin);%index corresponding to XIMA and YIMA in the aligned original image vec_A
|
---|
| 775 | nbcolor=1; %color images
|
---|
| 776 | if numel(npxy)==2
|
---|
| 777 | nbcolor=1;
|
---|
| 778 | elseif length(npxy)==3
|
---|
| 779 | nbcolor=npxy(3);
|
---|
| 780 | else
|
---|
| 781 | errormsg='multicomponent field not projected';
|
---|
| 782 | display(errormsg)
|
---|
| 783 | return
|
---|
| 784 | end
|
---|
| 785 | nbvar=length(ProjData.ListVarName);% number of var from previous cells
|
---|
| 786 | ProjData.ListVarName=[ProjData.ListVarName {AXName}];
|
---|
| 787 | ProjData.VarDimName=[ProjData.VarDimName {AXName}];
|
---|
| 788 | for ivar=VarIndex
|
---|
[421] | 789 | %VarName{ivar}=FieldData.ListVarName{ivar};
|
---|
[204] | 790 | if test_interp2% interpolate on new grid
|
---|
[421] | 791 | FieldData.(FieldData.ListVarName{ivar})=interp2(FieldData.(AXName),FieldData.(AYName),FieldData.(FieldData.ListVarName{ivar}),AXI,AYI);%TO TEST
|
---|
[204] | 792 | end
|
---|
[421] | 793 | vec_A=reshape(squeeze(FieldData.(FieldData.ListVarName{ivar})),npx*npy,nbcolor); %put the original image in colum
|
---|
[204] | 794 | if nbcolor==1
|
---|
| 795 | vec_B(ind_in)=vec_A(ICOMB);
|
---|
| 796 | vec_B(ind_out)=zeros(size(ind_out));
|
---|
| 797 | A_out=reshape(vec_B,npY,npX);
|
---|
[421] | 798 | ProjData.(FieldData.ListVarName{ivar}) =sum(A_out,1)/npY;
|
---|
[204] | 799 | elseif nbcolor==3
|
---|
[213] | 800 | vec_B(ind_in,1:3)=vec_A(ICOMB,:);
|
---|
[204] | 801 | vec_B(ind_out,1)=zeros(size(ind_out));
|
---|
| 802 | vec_B(ind_out,2)=zeros(size(ind_out));
|
---|
| 803 | vec_B(ind_out,3)=zeros(size(ind_out));
|
---|
| 804 | A_out=reshape(vec_B,npY,npX,nbcolor);
|
---|
[421] | 805 | ProjData.(FieldData.ListVarName{ivar})=squeeze(sum(A_out,1)/npY);
|
---|
[204] | 806 | end
|
---|
[421] | 807 | ProjData.ListVarName=[ProjData.ListVarName FieldData.ListVarName{ivar}];
|
---|
[204] | 808 | ProjData.VarDimName=[ProjData.VarDimName {AXName}];%to generalize with the initial name of the x coordinate
|
---|
| 809 | ProjData.VarAttribute{ivar}.Role='continuous';% for plot with continuous line
|
---|
| 810 | end
|
---|
| 811 | if testU
|
---|
[530] | 812 | vector_x =ProjData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_x});
|
---|
| 813 | vector_y =ProjData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_y});
|
---|
| 814 | ProjData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_x}) =cos(theta)*vector_x+sin(theta)*vector_y;
|
---|
| 815 | ProjData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_y}) =-sin(theta)*vector_x+cos(theta)*vector_y;
|
---|
[204] | 816 | end
|
---|
| 817 | ProjData.VarAttribute{nbvar+1}.long_name='abscissa along line';
|
---|
| 818 | if nbcolor==3
|
---|
| 819 | ProjData.VarDimName{end}={AXName,'rgb'};
|
---|
| 820 | end
|
---|
[492] | 821 | end
|
---|
[530] | 822 | elseif strcmp(CellInfo{icell}.CoordType,'tps')
|
---|
[492] | 823 | if isfield(ObjectData,'DX')&~isempty(ObjectData.DX)
|
---|
| 824 | DX=abs(ObjectData.DX);%mesh of interpolation points along the line
|
---|
| 825 | Xproj=linelength/(2*npoint):linelength/npoint:linelength-linelength/(2*npoint);
|
---|
| 826 | xreg=cos(theta(ip))*Xproj+ObjectData.Coord(ip,1)
|
---|
| 827 | yreg=sin(theta(ip))*Xproj+ObjectData.Coord(ip,2)
|
---|
| 828 | % coord_x_proj=XMin:DX:XMax;
|
---|
| 829 | % coord_y_proj=YMin:DY:YMax;
|
---|
| 830 | DataOut=calc_field(FieldData.FieldList,FieldData,cat(3,xreg,yreg));
|
---|
| 831 | ProjData.ListVarName=[ProjData.ListVarName DataOut.ListVarName];
|
---|
| 832 | ProjData.VarDimName=[ProjData.VarDimName DataOut.VarDimName];
|
---|
| 833 | ProjData.VarAttribute=[ProjData.VarAttribute DataOut.VarAttribute];
|
---|
| 834 | DataOut.ListVarName(1)=[];
|
---|
| 835 | DataOut.VarDimName(1)=[];
|
---|
| 836 | DataOut.VarAttribute(1)=[];
|
---|
| 837 | for ilist=2:length(DataOut.ListVarName)% reshape data, excluding coordinates (ilist=1-2), TODO: rationalise
|
---|
| 838 | VarName=DataOut.ListVarName{ilist};
|
---|
| 839 | ProjData.(VarName)=DataOut.(VarName);
|
---|
| 840 | end
|
---|
| 841 | ProjData.coord_x=Xproj;
|
---|
| 842 | end
|
---|
[204] | 843 | end
|
---|
| 844 | end
|
---|
| 845 |
|
---|
| 846 | % %shotarter case for horizontal or vertical line (A FAIRE
|
---|
| 847 | % % Rangx=[0.5 npx-0.5];%image coordiantes of corners
|
---|
| 848 | % % Rangy=[npy-0.5 0.5];
|
---|
| 849 | % % if isfield(Calib,'Pxcmx')&isfield(Calib,'Pxcmy')%old calib
|
---|
| 850 | % % Rangx=Rangx/Calib.Pxcmx;
|
---|
| 851 | % % Rangy=Rangy/Calib.Pxcmy;
|
---|
| 852 | % % else
|
---|
| 853 | % % [Rangx]=phys_XYZ(Calib,Rangx,[0.5 0.5],[0 0]);%case of translations without rotation and quadratic deformation
|
---|
| 854 | % % [xx,Rangy]=phys_XYZ(Calib,[0.5 0.5],Rangy,[0 0]);
|
---|
| 855 | % % end
|
---|
| 856 | %
|
---|
| 857 | % % test_scal=0;%default% 3- 'UserData':(get(handles.Tag,'UserData')
|
---|
| 858 |
|
---|
| 859 |
|
---|
| 860 | %-----------------------------------------------------------------
|
---|
| 861 | %project on a plane
|
---|
| 862 | % AJOUTER flux,circul,error
|
---|
[399] | 863 | function [ProjData,errormsg] = proj_plane(FieldData, ObjectData)
|
---|
[204] | 864 | %-----------------------------------------------------------------
|
---|
| 865 |
|
---|
[397] | 866 | %% rotation angles
|
---|
[206] | 867 | PlaneAngle=[0 0 0];
|
---|
| 868 | norm_plane=[0 0 1];
|
---|
| 869 | cos_om=1;
|
---|
| 870 | sin_om=0;
|
---|
[227] | 871 | test90x=0;%=1 for 90 degree rotation alround x axis
|
---|
| 872 | test90y=0;%=1 for 90 degree rotation alround y axis
|
---|
[206] | 873 | if isfield(ObjectData,'Angle')&& isequal(size(ObjectData.Angle),[1 3])&& ~isequal(ObjectData.Angle,[0 0 0])
|
---|
[227] | 874 | test90y=isequal(ObjectData.Angle,[0 90 0]);
|
---|
[212] | 875 | PlaneAngle=(pi/180)*ObjectData.Angle;
|
---|
[206] | 876 | om=norm(PlaneAngle);%norm of rotation angle in radians
|
---|
| 877 | OmAxis=PlaneAngle/om; %unit vector marking the rotation axis
|
---|
[212] | 878 | cos_om=cos(om);
|
---|
| 879 | sin_om=sin(om);
|
---|
[206] | 880 | coeff=OmAxis(3)*(1-cos_om);
|
---|
| 881 | %components of the unity vector norm_plane normal to the projection plane
|
---|
| 882 | norm_plane(1)=OmAxis(1)*coeff+OmAxis(2)*sin_om;
|
---|
| 883 | norm_plane(2)=OmAxis(2)*coeff-OmAxis(1)*sin_om;
|
---|
| 884 | norm_plane(3)=OmAxis(3)*coeff+cos_om;
|
---|
[204] | 885 | end
|
---|
[227] | 886 | testangle=~isequal(PlaneAngle,[0 0 0]);% && ~test90y && ~test90x;%=1 for slanted plane
|
---|
| 887 |
|
---|
[397] | 888 | %% mesh sizes DX and DY
|
---|
[379] | 889 | if isfield(ObjectData,'DX') && ~isempty(ObjectData.DX)
|
---|
[204] | 890 | DX=abs(ObjectData.DX);%mesh of interpolation points
|
---|
[521] | 891 | else
|
---|
| 892 | DX=FieldData.Mesh;
|
---|
[204] | 893 | end
|
---|
[379] | 894 | if isfield(ObjectData,'DY') && ~isempty(ObjectData.DY)
|
---|
[204] | 895 | DY=abs(ObjectData.DY);%mesh of interpolation points
|
---|
[521] | 896 | else
|
---|
| 897 | DY=FieldData.Mesh;
|
---|
[204] | 898 | end
|
---|
[515] | 899 | if ~strcmp(ObjectData.ProjMode,'projection') && (DX==0||DY==0)
|
---|
[204] | 900 | errormsg='DX or DY missing';
|
---|
| 901 | display(errormsg)
|
---|
| 902 | return
|
---|
| 903 | end
|
---|
| 904 |
|
---|
[397] | 905 | %% extrema along each axis
|
---|
[204] | 906 | testXMin=0;
|
---|
| 907 | testXMax=0;
|
---|
| 908 | testYMin=0;
|
---|
| 909 | testYMax=0;
|
---|
[521] | 910 |
|
---|
[204] | 911 | if isfield(ObjectData,'RangeX')
|
---|
| 912 | XMin=min(ObjectData.RangeX);
|
---|
| 913 | XMax=max(ObjectData.RangeX);
|
---|
| 914 | testXMin=XMax>XMin;
|
---|
| 915 | testXMax=1;
|
---|
[521] | 916 | else
|
---|
| 917 | XMin=FieldData.XMin;%default
|
---|
| 918 | XMax=FieldData.XMax;%default
|
---|
[204] | 919 | end
|
---|
| 920 | if isfield(ObjectData,'RangeY')
|
---|
| 921 | YMin=min(ObjectData.RangeY);
|
---|
| 922 | YMax=max(ObjectData.RangeY);
|
---|
| 923 | testYMin=YMax>YMin;
|
---|
| 924 | testYMax=1;
|
---|
[521] | 925 | else
|
---|
| 926 | YMin=FieldData.YMin;%default
|
---|
| 927 | YMax=FieldData.YMax;%default
|
---|
[204] | 928 | end
|
---|
| 929 | width=0;%default width of the projection band
|
---|
| 930 | if isfield(ObjectData,'RangeZ')
|
---|
| 931 | width=max(ObjectData.RangeZ);
|
---|
| 932 | end
|
---|
| 933 |
|
---|
[397] | 934 | %% initiate Matlab structure for physical field
|
---|
[204] | 935 | [ProjData,errormsg]=proj_heading(FieldData,ObjectData);
|
---|
[542] | 936 |
|
---|
| 937 | %% reproduce initial plane position and angle
|
---|
| 938 | if isfield(FieldData,'PlaneCoord')&&length(FieldData.PlaneCoord)==3
|
---|
| 939 | if length(ProjData.ObjectCoord)==3% if the projection plane has a z coordinate
|
---|
| 940 | if ~isequal(ProjData.PlaneCoord(3),ProjData.ObjectCoord) %check the consistency with the z coordinate of the field plane (set by calibration)
|
---|
| 941 | errormsg='inconsistent z position for field and projection plane';
|
---|
| 942 | return
|
---|
| 943 | end
|
---|
| 944 | else % the z coordinate is set only by the field plane (by calibration)
|
---|
| 945 | ProjData.ObjectCoord(3)=FieldData.PlaneCoord(3);
|
---|
| 946 | end
|
---|
| 947 | if isfield(FieldData,'PlaneAngle')
|
---|
| 948 | if isfield(ProjData,'ObjectAngle')
|
---|
| 949 | if ~isequal(FieldData.PlaneAngle,ProjData.ObjectAngle) %check the consistency with the z coordinate of the field plane (set by calibration)
|
---|
| 950 | errormsg='inconsistent plane angle for field and projection plane';
|
---|
| 951 | return
|
---|
| 952 | end
|
---|
| 953 | else
|
---|
| 954 | ProjData.ObjectAngle=FieldData.PlaneAngle;
|
---|
| 955 | end
|
---|
| 956 | end
|
---|
| 957 | end
|
---|
[204] | 958 | ProjData.NbDim=2;
|
---|
| 959 | ProjData.ListVarName={};
|
---|
| 960 | ProjData.VarDimName={};
|
---|
[491] | 961 | ProjData.VarAttribute={};
|
---|
[204] | 962 | if ~isequal(DX,0)&& ~isequal(DY,0)
|
---|
| 963 | ProjData.Mesh=sqrt(DX*DY);%define typical data mesh, useful for mouse selection in plots
|
---|
| 964 | elseif isfield(FieldData,'Mesh')
|
---|
| 965 | ProjData.Mesh=FieldData.Mesh;
|
---|
| 966 | end
|
---|
| 967 | error=0;%default
|
---|
| 968 | flux=0;
|
---|
| 969 | testfalse=0;
|
---|
| 970 | ListIndex={};
|
---|
| 971 |
|
---|
| 972 | %% group the variables (fields of 'FieldData') in cells of variables with the same dimensions
|
---|
[530] | 973 | [CellInfo,NbDimArray,errormsg]=find_field_cells(FieldData);
|
---|
[204] | 974 | if ~isempty(errormsg)
|
---|
| 975 | errormsg=['error in proj_field/proj_plane:' errormsg];
|
---|
| 976 | return
|
---|
| 977 | end
|
---|
| 978 |
|
---|
[515] | 979 | %% projection modes
|
---|
| 980 | check_grid=0;
|
---|
[530] | 981 | ProjMode=cell(size(CellInfo));
|
---|
| 982 | for icell=1:numel(CellInfo)% TODO: recalculate coordinates here to get the bounds in the rotated coordinates
|
---|
[515] | 983 | ProjMode{icell}=ObjectData.ProjMode;
|
---|
[530] | 984 | if isfield(CellInfo{icell},'FieldRequest')
|
---|
| 985 | switch CellInfo{icell}.FieldRequest
|
---|
[516] | 986 | case 'interp_lin'
|
---|
[515] | 987 | ProjMode{icell}='interp';
|
---|
[516] | 988 | case 'interp_tps'
|
---|
[515] | 989 | ProjMode{icell}='filter';
|
---|
| 990 | end
|
---|
| 991 | end
|
---|
| 992 | if strcmp(ProjMode{icell},'interp')||strcmp(ProjMode{icell},'filter')
|
---|
| 993 | check_grid=1;
|
---|
| 994 | end
|
---|
| 995 | end
|
---|
| 996 |
|
---|
| 997 | %% define the new coordinates in case of interpolation on a grid
|
---|
| 998 | if check_grid% TODO: recalculate coordinates to get the bounds in the rotated coordinates
|
---|
| 999 | ProjData.ListVarName={'coord_y','coord_x'};
|
---|
| 1000 | ProjData.VarDimName={'coord_y','coord_x'};
|
---|
| 1001 | ProjData.VarAttribute={[],[]};
|
---|
| 1002 | ProjData.coord_y=[YMin YMax];
|
---|
| 1003 | ProjData.coord_x=[XMin XMax];
|
---|
| 1004 | end
|
---|
| 1005 |
|
---|
| 1006 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
---|
[204] | 1007 | % LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS
|
---|
| 1008 | % CellVarIndex=cells of variable index arrays
|
---|
| 1009 | ivar_new=0; % index of the current variable in the projected field
|
---|
[399] | 1010 | % icoord=0;
|
---|
[204] | 1011 | nbcoord=0;%number of added coordinate variables brought by projection
|
---|
| 1012 | nbvar=0;
|
---|
[515] | 1013 | vector_x_proj=[];
|
---|
| 1014 | vector_y_proj=[];
|
---|
[530] | 1015 | for icell=1:length(CellInfo)
|
---|
| 1016 | NbDim=NbDimArray(icell);
|
---|
[204] | 1017 | if NbDim<2
|
---|
[399] | 1018 | continue % only cells represnting 2D or 3D fields are involved
|
---|
[204] | 1019 | end
|
---|
[530] | 1020 | VarIndex=CellInfo{icell}.VarIndex;% indices of the selected variables in the list FieldData.ListVarName
|
---|
| 1021 | ivar_U=[];ivar_V=[];ivar_W=[];
|
---|
| 1022 | if isfield(CellInfo{icell},'VarIndex_vector_x_tps')&&isfield(CellInfo{icell},'VarIndex_vector_y_tps')
|
---|
| 1023 | ivar_U=CellInfo{icell}.VarIndex_vector_x_tps;
|
---|
| 1024 | ivar_V=CellInfo{icell}.VarIndex_vector_y_tps;
|
---|
| 1025 | elseif isfield(CellInfo{icell},'VarIndex_vector_x')&&isfield(CellInfo{icell},'VarIndex_vector_y')
|
---|
| 1026 | ivar_U=CellInfo{icell}.VarIndex_vector_x;
|
---|
| 1027 | ivar_V=CellInfo{icell}.VarIndex_vector_y;
|
---|
[491] | 1028 | end
|
---|
[530] | 1029 | if isfield(CellInfo{icell},'VarIndex_vector_z')
|
---|
[546] | 1030 | ivar_W=CellInfo{icell}.VarIndex_vector_z;
|
---|
[491] | 1031 | end
|
---|
| 1032 | %dimensions
|
---|
[204] | 1033 | DimCell=FieldData.VarDimName{VarIndex(1)};
|
---|
| 1034 | if ischar(DimCell)
|
---|
| 1035 | DimCell={DimCell};%name of dimensions
|
---|
| 1036 | end
|
---|
[491] | 1037 | coord_z=0;%default
|
---|
[515] | 1038 |
|
---|
[491] | 1039 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
---|
[530] | 1040 | switch CellInfo{icell}.CoordType
|
---|
[491] | 1041 |
|
---|
| 1042 | %% case of input fields with unstructured coordinates
|
---|
[530] | 1043 | case 'scattered'
|
---|
[515] | 1044 | if strcmp(ProjMode{icell},'filter')
|
---|
| 1045 | continue %skip for filter (needs tps field cell)
|
---|
[204] | 1046 | end
|
---|
[530] | 1047 | coord_x=FieldData.(FieldData.ListVarName{CellInfo{icell}.CoordIndex(end)});% initial x coordinates
|
---|
| 1048 | coord_y=FieldData.(FieldData.ListVarName{CellInfo{icell}.CoordIndex(end-1)});% initial y coordinates
|
---|
| 1049 | check3D=(numel(CellInfo{icell}.CoordIndex)==3);
|
---|
| 1050 | if check3D
|
---|
| 1051 | coord_z=FieldData.(FieldData.ListVarName{CellInfo{icell}.CoordIndex(1)});
|
---|
[491] | 1052 | end
|
---|
[227] | 1053 |
|
---|
[515] | 1054 | % translate initial coordinates to account for the new origin
|
---|
[399] | 1055 | coord_x=coord_x-ObjectData.Coord(1,1);
|
---|
| 1056 | coord_y=coord_y-ObjectData.Coord(1,2);
|
---|
[530] | 1057 | if check3D
|
---|
[399] | 1058 | coord_z=coord_z-ObjectData.Coord(1,3);
|
---|
| 1059 | end
|
---|
| 1060 |
|
---|
| 1061 | % selection of the vectors in the projection range (3D case)
|
---|
[530] | 1062 | if check3D&& width > 0
|
---|
[399] | 1063 | %components of the unitiy vector normal to the projection plane
|
---|
| 1064 | fieldZ=norm_plane(1)*coord_x + norm_plane(2)*coord_y+ norm_plane(3)*coord_z;% distance to the plane
|
---|
| 1065 | indcut=find(abs(fieldZ) <= width);
|
---|
| 1066 | for ivar=VarIndex
|
---|
| 1067 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1068 | eval(['FieldData.' VarName '=FieldData.' VarName '(indcut);'])
|
---|
| 1069 | % A VOIR : CAS DE VAR STRUCTUREE MAIS PAS GRILLE REGULIERE : INTERPOLER SUR GRILLE REGULIERE
|
---|
[204] | 1070 | end
|
---|
[399] | 1071 | coord_x=coord_x(indcut);
|
---|
| 1072 | coord_y=coord_y(indcut);
|
---|
| 1073 | coord_z=coord_z(indcut);
|
---|
[227] | 1074 | end
|
---|
[399] | 1075 |
|
---|
[515] | 1076 | %rotate coordinates if needed: coord_X,coord_Y= = coordinates in the new plane
|
---|
[399] | 1077 | Psi=PlaneAngle(1);
|
---|
| 1078 | Theta=PlaneAngle(2);
|
---|
| 1079 | Phi=PlaneAngle(3);
|
---|
| 1080 | if testangle && ~test90y && ~test90x;%=1 for slanted plane
|
---|
| 1081 | coord_X=(coord_x *cos(Phi) + coord_y* sin(Phi));
|
---|
| 1082 | coord_Y=(-coord_x *sin(Phi) + coord_y *cos(Phi))*cos(Theta);
|
---|
| 1083 | coord_Y=coord_Y+coord_z *sin(Theta);
|
---|
[515] | 1084 | coord_X=(coord_X *cos(Psi) - coord_Y* sin(Psi));%A VERIFIER
|
---|
[399] | 1085 | coord_Y=(coord_X *sin(Psi) + coord_Y* cos(Psi));
|
---|
[236] | 1086 | else
|
---|
[399] | 1087 | coord_X=coord_x;
|
---|
| 1088 | coord_Y=coord_y;
|
---|
[236] | 1089 | end
|
---|
[399] | 1090 |
|
---|
[515] | 1091 | %restriction to the range of X and Y if imposed by the projection object
|
---|
[399] | 1092 | testin=ones(size(coord_X)); %default
|
---|
| 1093 | testbound=0;
|
---|
| 1094 | if testXMin
|
---|
| 1095 | testin=testin & (coord_X >= XMin);
|
---|
| 1096 | testbound=1;
|
---|
[382] | 1097 | end
|
---|
[399] | 1098 | if testXMax
|
---|
| 1099 | testin=testin & (coord_X <= XMax);
|
---|
| 1100 | testbound=1;
|
---|
[204] | 1101 | end
|
---|
[399] | 1102 | if testYMin
|
---|
| 1103 | testin=testin & (coord_Y >= YMin);
|
---|
| 1104 | testbound=1;
|
---|
| 1105 | end
|
---|
| 1106 | if testYMin
|
---|
| 1107 | testin=testin & (coord_Y <= YMax);
|
---|
| 1108 | testbound=1;
|
---|
| 1109 | end
|
---|
| 1110 | if testbound
|
---|
| 1111 | indcut=find(testin);
|
---|
[408] | 1112 | if isempty(indcut)
|
---|
| 1113 | errormsg='data outside the bounds of the projection object';
|
---|
| 1114 | return
|
---|
| 1115 | end
|
---|
[397] | 1116 | for ivar=VarIndex
|
---|
| 1117 | VarName=FieldData.ListVarName{ivar};
|
---|
[515] | 1118 | FieldData.(VarName)=FieldData.(VarName)(indcut);
|
---|
[399] | 1119 | end
|
---|
| 1120 | coord_X=coord_X(indcut);
|
---|
| 1121 | coord_Y=coord_Y(indcut);
|
---|
[530] | 1122 | if check3D
|
---|
[399] | 1123 | coord_Z=coord_Z(indcut);
|
---|
| 1124 | end
|
---|
| 1125 | end
|
---|
[491] | 1126 |
|
---|
| 1127 | % different cases of projection
|
---|
[515] | 1128 | switch ProjMode{icell}
|
---|
| 1129 | case 'projection'
|
---|
| 1130 | nbvar=numel(ProjData.ListVarName);
|
---|
[491] | 1131 | for ivar=VarIndex %transfer variables to the projection plane
|
---|
| 1132 | VarName=FieldData.ListVarName{ivar};
|
---|
[530] | 1133 | if ivar==CellInfo{icell}.CoordIndex(end)
|
---|
[491] | 1134 | ProjData.(VarName)=coord_X;
|
---|
[530] | 1135 | elseif ivar==CellInfo{icell}.CoordIndex(end-1) % y coordinate
|
---|
[491] | 1136 | ProjData.(VarName)=coord_Y;
|
---|
[530] | 1137 | elseif ~(check3D && ivar==CellInfo{icell}.CoordIndex(1)) % other variables (except Z coordinate wyhich is not reproduced)
|
---|
[491] | 1138 | ProjData.(VarName)=FieldData.(VarName);
|
---|
[399] | 1139 | end
|
---|
[530] | 1140 | if ~(check3D && ivar==CellInfo{icell}.CoordIndex(1))
|
---|
[491] | 1141 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 1142 | ProjData.VarDimName=[ProjData.VarDimName DimCell];
|
---|
| 1143 | nbvar=nbvar+1;
|
---|
| 1144 | if isfield(FieldData,'VarAttribute') && length(FieldData.VarAttribute) >=ivar
|
---|
| 1145 | ProjData.VarAttribute{nbvar}=FieldData.VarAttribute{ivar};
|
---|
| 1146 | end
|
---|
| 1147 | end
|
---|
[399] | 1148 | end
|
---|
[491] | 1149 | case 'interp'%interpolate data on a regular grid
|
---|
| 1150 | coord_x_proj=XMin:DX:XMax;
|
---|
| 1151 | coord_y_proj=YMin:DY:YMax;
|
---|
[515] | 1152 | [XI,YI]=meshgrid(coord_x_proj,coord_y_proj);
|
---|
[530] | 1153 | if isfield(CellInfo{icell},'VarIndex_errorflag')
|
---|
| 1154 | VarName_FF=FieldData.ListVarName{CellInfo{icell}.VarIndex_errorflag};
|
---|
[491] | 1155 | indsel=find(FieldData.(VarName_FF)==0);
|
---|
| 1156 | coord_X=coord_X(indsel);
|
---|
| 1157 | coord_Y=coord_Y(indsel);
|
---|
| 1158 | end
|
---|
[521] | 1159 | % testFF=0;
|
---|
| 1160 | % nbvar=numel(ProjData.ListVarName);
|
---|
[530] | 1161 | if isfield(CellInfo{icell},'VarIndex_vector_x')&&isfield(CellInfo{icell},'VarIndex_vector_y')
|
---|
| 1162 | VarName_x=FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_x};
|
---|
| 1163 | VarName_y=FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_y};
|
---|
| 1164 | if isfield(CellInfo{icell},'VarIndex_errorflag')
|
---|
[515] | 1165 | FieldData.(VarName_x)=FieldData.(VarName_x)(indsel);
|
---|
| 1166 | FieldData.(VarName_y)=FieldData.(VarName_y)(indsel);
|
---|
| 1167 | end
|
---|
[521] | 1168 | %FieldVar=cat(2,FieldData.(VarName_x),FieldData.(VarName_y));
|
---|
[530] | 1169 | if ~isfield(CellInfo{icell},'CheckSub') || ~CellInfo{icell}.CheckSub
|
---|
[515] | 1170 | vector_x_proj=numel(ProjData.ListVarName)+1;
|
---|
| 1171 | vector_y_proj=numel(ProjData.ListVarName)+2;
|
---|
| 1172 | end
|
---|
[491] | 1173 | end
|
---|
[530] | 1174 | if isfield(CellInfo{icell},'VarIndex_scalar')
|
---|
| 1175 | VarName_scalar=FieldData.ListVarName{CellInfo{icell}.VarIndex_scalar};
|
---|
[546] | 1176 | if isfield(CellInfo{icell},'errorflag') && ~isempty(CellInfo{icell}.errorflag)
|
---|
[515] | 1177 | FieldData.(VarName_scalar)=FieldData.(VarName_scalar)(indsel);
|
---|
| 1178 | end
|
---|
[491] | 1179 | end
|
---|
[530] | 1180 | if isfield(CellInfo{icell},'VarIndex_ancillary')% do not project ancillary data with interp
|
---|
| 1181 | FieldData=rmfield(FieldData,FieldData.ListVarName{CellInfo{icell}.VarIndex_ancillary});
|
---|
[521] | 1182 | end
|
---|
[530] | 1183 | if isfield(CellInfo{icell},'VarIndex_warnflag')% do not project ancillary data with interp
|
---|
| 1184 | FieldData=rmfield(FieldData,FieldData.ListVarName{CellInfo{icell}.VarIndex_warnflag});
|
---|
[521] | 1185 | end
|
---|
[530] | 1186 | [VarVal,ListFieldProj,VarAttribute,errormsg]=calc_field_interp([coord_X coord_Y],FieldData,CellInfo{icell}.Operation,XI,YI);
|
---|
| 1187 | if isfield(CellInfo{icell},'CheckSub') && CellInfo{icell}.CheckSub && ~isempty(vector_x_proj)
|
---|
[515] | 1188 | ProjData.(ProjData.ListVarName{vector_x_proj})=ProjData.(ProjData.ListVarName{vector_x_proj})-VarVal{1};
|
---|
| 1189 | ProjData.(ProjData.ListVarName{vector_y_proj})=ProjData.(ProjData.ListVarName{vector_y_proj})-VarVal{2};
|
---|
| 1190 | else
|
---|
| 1191 | VarDimName=cell(size(ListFieldProj));
|
---|
| 1192 | for ilist=1:numel(ListFieldProj)% reshape data, excluding coordinates (ilist=1-2), TODO: rationalise
|
---|
| 1193 | ListFieldProj{ilist}=regexprep(ListFieldProj{ilist},'(.+','');
|
---|
| 1194 | if ~isempty(find(strcmp(ListFieldProj{ilist},ProjData.ListVarName)))
|
---|
| 1195 | ListFieldProj{ilist}=[ListFieldProj{ilist} '_1'];
|
---|
| 1196 | end
|
---|
| 1197 | ProjData.(ListFieldProj{ilist})=VarVal{ilist};
|
---|
| 1198 | VarDimName{ilist}={'coord_y','coord_x'};
|
---|
| 1199 | end
|
---|
| 1200 | ProjData.ListVarName=[ProjData.ListVarName ListFieldProj];
|
---|
| 1201 | ProjData.VarDimName=[ProjData.VarDimName VarDimName];
|
---|
| 1202 | ProjData.VarAttribute=[ProjData.VarAttribute VarAttribute];
|
---|
| 1203 | end
|
---|
[491] | 1204 | end
|
---|
[515] | 1205 |
|
---|
| 1206 | %% case of tps interpolation (applies only in filter mode and for spatial derivatives)
|
---|
[491] | 1207 | case 'tps'
|
---|
[515] | 1208 | if strcmp(ProjMode{icell},'filter')
|
---|
[546] | 1209 | Coord=FieldData.(FieldData.ListVarName{CellInfo{icell}.CoordIndex});
|
---|
| 1210 | NbSites=FieldData.(FieldData.ListVarName{CellInfo{icell}.NbSite_tps});
|
---|
| 1211 | SubRange=FieldData.(FieldData.ListVarName{CellInfo{icell}.SubRange_tps});
|
---|
| 1212 | if isfield(CellInfo{icell},'VarIndex_vector_x_tps')&&isfield(CellInfo{icell},'VarIndex_vector_y_tps')
|
---|
| 1213 | FieldVar=cat(3,FieldData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_x_tps}),FieldData.(FieldData.ListVarName{CellInfo{icell}.VarIndex_vector_y_tps}));
|
---|
[515] | 1214 | end
|
---|
[399] | 1215 | coord_x_proj=XMin:DX:XMax;
|
---|
| 1216 | coord_y_proj=YMin:DY:YMax;
|
---|
[491] | 1217 | np_x=numel(coord_x_proj);
|
---|
| 1218 | np_y=numel(coord_y_proj);
|
---|
| 1219 | [XI,YI]=meshgrid(coord_x_proj,coord_y_proj');
|
---|
| 1220 | XI=XI+ObjectData.Coord(1,1);
|
---|
| 1221 | YI=YI+ObjectData.Coord(1,2);
|
---|
[546] | 1222 | [DataOut,VarAttribute,errormsg]=calc_field_tps(Coord,NbSites,SubRange,FieldVar,CellInfo{icell}.Operation,cat(3,XI,YI));
|
---|
[515] | 1223 | ListFieldProj=(fieldnames(DataOut))';
|
---|
| 1224 | VarDimName=cell(size(ListFieldProj));
|
---|
| 1225 | for ilist=1:numel(ListFieldProj)% reshape data, excluding coordinates (ilist=1-2), TODO: rationalise
|
---|
| 1226 | VarName=ListFieldProj{ilist};
|
---|
| 1227 | ProjData.(VarName)=DataOut.(VarName);
|
---|
| 1228 | VarDimName{ilist}={'coord_y','coord_x'};
|
---|
[491] | 1229 | end
|
---|
[515] | 1230 | ProjData.ListVarName=[ProjData.ListVarName ListFieldProj];
|
---|
| 1231 | ProjData.VarDimName=[ProjData.VarDimName VarDimName];
|
---|
| 1232 | ProjData.VarAttribute=[ProjData.VarAttribute VarAttribute];
|
---|
[491] | 1233 | end
|
---|
| 1234 |
|
---|
| 1235 | %% case of input fields defined on a structured grid
|
---|
[530] | 1236 | case 'grid'
|
---|
[491] | 1237 |
|
---|
| 1238 | VarName=FieldData.ListVarName{VarIndex(1)};%get the first variable of the cell to get the input matrix dimensions
|
---|
[515] | 1239 | DimValue=size(FieldData.(VarName));%input matrix dimensions
|
---|
[491] | 1240 | DimValue(DimValue==1)=[];%remove singleton dimensions
|
---|
| 1241 | NbDim=numel(DimValue);%update number of space dimensions
|
---|
| 1242 | nbcolor=1; %default number of 'color' components: third matrix index without corresponding coordinate
|
---|
| 1243 | if NbDim>=3
|
---|
| 1244 | if NbDim>3
|
---|
| 1245 | errormsg='matrices with more than 3 dimensions not handled';
|
---|
| 1246 | return
|
---|
| 1247 | else
|
---|
[534] | 1248 | if numel(CellInfo{icell}.CoordIndex)==2% the third matrix dimension does not correspond to a space coordinate
|
---|
[491] | 1249 | nbcolor=DimValue(3);
|
---|
| 1250 | DimValue(3)=[]; %number of 'color' components updated
|
---|
| 1251 | NbDim=2;% space dimension set to 2
|
---|
[382] | 1252 | end
|
---|
[204] | 1253 | end
|
---|
[491] | 1254 | end
|
---|
[530] | 1255 | AYName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(NbDim-1)};%name of input x coordinate (name preserved on projection)
|
---|
| 1256 | AXName=FieldData.ListVarName{CellInfo{icell}.CoordIndex(NbDim)};%name of input y coordinate (name preserved on projection)
|
---|
[491] | 1257 | if testangle% TODO modify name also in case of origin shift in x or y
|
---|
| 1258 | AYProjName='Y';
|
---|
| 1259 | AXProjName='X';
|
---|
| 1260 | count=0;
|
---|
| 1261 | %modify coordinate names if they are already used
|
---|
| 1262 | while ~(isempty(find(strcmp('AXName',ProjData.ListVarName),1)) && isempty(find(strcmp('AYName',ProjData.ListVarName),1)))
|
---|
| 1263 | count=count+1;
|
---|
| 1264 | AYProjName=[AYProjName '_' num2str(count)];
|
---|
| 1265 | AXProjName=[AXProjName '_' num2str(count)];
|
---|
[397] | 1266 | end
|
---|
[491] | 1267 | else
|
---|
| 1268 | AYProjName=AYName;% (name preserved on projection)
|
---|
| 1269 | AXProjName=AXName;%name of input y coordinate (name preserved on projection)
|
---|
| 1270 | end
|
---|
| 1271 | ListDimName=FieldData.VarDimName{VarIndex(1)};
|
---|
| 1272 | ProjData.ListVarName=[ProjData.ListVarName {AYProjName} {AXProjName}]; %TODO: check if it already exists in Projdata (several cells)
|
---|
| 1273 | ProjData.VarDimName=[ProjData.VarDimName {AYProjName} {AXProjName}];
|
---|
[516] | 1274 | ProjData.VarAttribute=[ProjData.VarAttribute {[]} {[]}];
|
---|
[491] | 1275 | Coord_z=[];
|
---|
| 1276 | Coord_y=[];
|
---|
| 1277 | Coord_x=[];
|
---|
| 1278 |
|
---|
| 1279 | for idim=1:NbDim %loop on space dimensions
|
---|
| 1280 | test_interp(idim)=0;%test for coordiate interpolation (non regular grid), =0 by default
|
---|
[530] | 1281 | ivar=CellInfo{icell}.CoordIndex(idim);% index of the variable corresponding to the current dimension
|
---|
[491] | 1282 | if ~isequal(ivar,0)% a variable corresponds to the dimension #idim
|
---|
[530] | 1283 | Coord{idim}=FieldData.(FieldData.ListVarName{ivar});% coord values for the input field
|
---|
[491] | 1284 | if numel(Coord{idim})==2 %input array defined on a regular grid
|
---|
| 1285 | DCoord_min(idim)=(Coord{idim}(2)-Coord{idim}(1))/DimValue(idim);
|
---|
| 1286 | else
|
---|
| 1287 | DCoord=diff(Coord{idim});%array of coordinate derivatives for the input field
|
---|
| 1288 | DCoord_min(idim)=min(DCoord);
|
---|
| 1289 | DCoord_max=max(DCoord);
|
---|
| 1290 | if abs(DCoord_max-DCoord_min(idim))>abs(DCoord_max/1000)
|
---|
| 1291 | msgbox_uvmat('ERROR',['non monotonic dimension variable # ' num2str(idim) ' in proj_field.m'])
|
---|
| 1292 | return
|
---|
| 1293 | end
|
---|
| 1294 | test_interp(idim)=(DCoord_max-DCoord_min(idim))> 0.0001*abs(DCoord_max);% test grid regularity
|
---|
[399] | 1295 | end
|
---|
[491] | 1296 | test_direct(idim)=(DCoord_min(idim)>0);
|
---|
| 1297 | else % no variable associated with the dimension #idim, the coordinate value is set equal to the matrix index by default
|
---|
| 1298 | Coord_i_str=['Coord_' num2str(idim)];
|
---|
| 1299 | DCoord_min(idim)=1;%default
|
---|
| 1300 | Coord{idim}=[0.5 DimValue(idim)-0.5];
|
---|
| 1301 | test_direct(idim)=1;
|
---|
[399] | 1302 | end
|
---|
[491] | 1303 | end
|
---|
| 1304 | if DY==0
|
---|
| 1305 | DY=abs(DCoord_min(NbDim-1));
|
---|
| 1306 | end
|
---|
| 1307 | npY=1+round(abs(Coord{NbDim-1}(end)-Coord{NbDim-1}(1))/DY);%nbre of points after interpol
|
---|
| 1308 | if DX==0
|
---|
| 1309 | DX=abs(DCoord_min(NbDim));
|
---|
| 1310 | end
|
---|
| 1311 | npX=1+round(abs(Coord{NbDim}(end)-Coord{NbDim}(1))/DX);%nbre of points after interpol
|
---|
| 1312 | for idim=1:NbDim
|
---|
| 1313 | if test_interp(idim)
|
---|
| 1314 | DimValue(idim)=1+round(abs(Coord{idim}(end)-Coord{idim}(1))/abs(DCoord_min(idim)));%nbre of points after possible interpolation on a regular gri
|
---|
[204] | 1315 | end
|
---|
| 1316 | end
|
---|
[491] | 1317 | Coord_y=linspace(Coord{NbDim-1}(1),Coord{NbDim-1}(end),npY);
|
---|
| 1318 | test_direct_y=test_direct(NbDim-1);
|
---|
| 1319 | Coord_x=linspace(Coord{NbDim}(1),Coord{NbDim}(end),npX);
|
---|
| 1320 | test_direct_x=test_direct(NbDim);
|
---|
| 1321 | DAX=DCoord_min(NbDim);
|
---|
| 1322 | DAY=DCoord_min(NbDim-1);
|
---|
| 1323 | minAX=min(Coord_x);
|
---|
| 1324 | maxAX=max(Coord_x);
|
---|
| 1325 | minAY=min(Coord_y);
|
---|
| 1326 | maxAY=max(Coord_y);
|
---|
| 1327 | xcorner=[minAX maxAX minAX maxAX]-ObjectData.Coord(1,1);
|
---|
| 1328 | ycorner=[maxAY maxAY minAY minAY]-ObjectData.Coord(1,2);
|
---|
| 1329 | xcor_new=xcorner*cos_om+ycorner*sin_om;%coord new frame
|
---|
| 1330 | ycor_new=-xcorner*sin_om+ycorner*cos_om;
|
---|
| 1331 | if ~testXMax
|
---|
| 1332 | XMax=max(xcor_new);
|
---|
[227] | 1333 | end
|
---|
[491] | 1334 | if ~testXMin
|
---|
| 1335 | XMin=min(xcor_new);
|
---|
| 1336 | end
|
---|
| 1337 | if ~testYMax
|
---|
| 1338 | YMax=max(ycor_new);
|
---|
| 1339 | end
|
---|
| 1340 | if ~testYMin
|
---|
| 1341 | YMin=min(ycor_new);
|
---|
| 1342 | end
|
---|
| 1343 | DXinit=(maxAX-minAX)/(DimValue(NbDim)-1);
|
---|
| 1344 | DYinit=(maxAY-minAY)/(DimValue(NbDim-1)-1);
|
---|
| 1345 | if DX==0
|
---|
| 1346 | DX=DXinit;
|
---|
| 1347 | end
|
---|
| 1348 | if DY==0
|
---|
| 1349 | DY=DYinit;
|
---|
| 1350 | end
|
---|
| 1351 | if NbDim==3
|
---|
| 1352 | DZ=(Coord{1}(end)-Coord{1}(1))/(DimValue(1)-1);
|
---|
| 1353 | if ~test_direct(1)
|
---|
| 1354 | DZ=-DZ;
|
---|
[204] | 1355 | end
|
---|
[491] | 1356 | Coord_z=linspace(Coord{1}(1),Coord{1}(end),DimValue(1));
|
---|
| 1357 | test_direct_z=test_direct(1);
|
---|
[204] | 1358 | end
|
---|
[491] | 1359 | npX=floor((XMax-XMin)/DX+1);
|
---|
| 1360 | npY=floor((YMax-YMin)/DY+1);
|
---|
| 1361 | if test_direct_y
|
---|
| 1362 | coord_y_proj=linspace(YMin,YMax,npY);%abscissa of the new pixels along the line
|
---|
| 1363 | else
|
---|
| 1364 | coord_y_proj=linspace(YMax,YMin,npY);%abscissa of the new pixels along the line
|
---|
[204] | 1365 | end
|
---|
[491] | 1366 | if test_direct_x
|
---|
| 1367 | coord_x_proj=linspace(XMin,XMax,npX);%abscissa of the new pixels along the line
|
---|
| 1368 | else
|
---|
| 1369 | coord_x_proj=linspace(XMax,XMin,npX);%abscissa of the new pixels along the line
|
---|
[204] | 1370 | end
|
---|
[491] | 1371 | % case with no interpolation
|
---|
[515] | 1372 | if isequal(ProjMode{icell},'projection') && (~testangle || test90y || test90x)
|
---|
[491] | 1373 | if NbDim==2 && ~testXMin && ~testXMax && ~testYMin && ~testYMax
|
---|
[515] | 1374 | ProjData.ListVarName=[ProjData.ListVarName FieldData.ListVarName(VarIndex)];
|
---|
| 1375 | ProjData.VarDimName=[ProjData.VarDimName FieldData.VarDimName(VarIndex)];
|
---|
[530] | 1376 | if isfield(FieldData,'VarAttribute')
|
---|
[515] | 1377 | ProjData.VarAttribute=[ProjData.VarAttribute FieldData.VarAttribute(VarIndex)];
|
---|
[530] | 1378 | end
|
---|
[515] | 1379 | ProjData.(AYProjName)=FieldData.(AYName);
|
---|
| 1380 | ProjData.(AXProjName)=FieldData.(AXName);
|
---|
| 1381 | for ivar=VarIndex
|
---|
| 1382 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1383 | ProjData.(VarName)=FieldData.(VarName);% no change by projection
|
---|
| 1384 | end
|
---|
[204] | 1385 | else
|
---|
[491] | 1386 | indY=NbDim-1;
|
---|
| 1387 | if test_direct(indY)
|
---|
| 1388 | min_indy=ceil((YMin-Coord{indY}(1))/DYinit)+1;
|
---|
| 1389 | max_indy=floor((YMax-Coord{indY}(1))/DYinit)+1;
|
---|
| 1390 | Ybound(1)=Coord{indY}(1)+DYinit*(min_indy-1);
|
---|
| 1391 | Ybound(2)=Coord{indY}(1)+DYinit*(max_indy-1);
|
---|
| 1392 | else
|
---|
| 1393 | min_indy=ceil((Coord{indY}(1)-YMax)/DYinit)+1;
|
---|
| 1394 | max_indy=floor((Coord{indY}(1)-YMin)/DYinit)+1;
|
---|
| 1395 | Ybound(2)=Coord{indY}(1)-DYinit*(max_indy-1);
|
---|
| 1396 | Ybound(1)=Coord{indY}(1)-DYinit*(min_indy-1);
|
---|
[204] | 1397 | end
|
---|
[491] | 1398 | if test_direct(NbDim)==1
|
---|
| 1399 | min_indx=ceil((XMin-Coord{NbDim}(1))/DXinit)+1;
|
---|
| 1400 | max_indx=floor((XMax-Coord{NbDim}(1))/DXinit)+1;
|
---|
| 1401 | Xbound(1)=Coord{NbDim}(1)+DXinit*(min_indx-1);
|
---|
| 1402 | Xbound(2)=Coord{NbDim}(1)+DXinit*(max_indx-1);
|
---|
| 1403 | else
|
---|
| 1404 | min_indx=ceil((Coord{NbDim}(1)-XMax)/DXinit)+1;
|
---|
| 1405 | max_indx=floor((Coord{NbDim}(1)-XMin)/DXinit)+1;
|
---|
| 1406 | Xbound(2)=Coord{NbDim}(1)+DXinit*(max_indx-1);
|
---|
| 1407 | Xbound(1)=Coord{NbDim}(1)+DXinit*(min_indx-1);
|
---|
[204] | 1408 | end
|
---|
[491] | 1409 | min_indy=max(min_indy,1);% deals with margin (bound lower than the first index)
|
---|
| 1410 | min_indx=max(min_indx,1);
|
---|
| 1411 |
|
---|
| 1412 | if test90y
|
---|
| 1413 | ind_new=[3 2 1];
|
---|
| 1414 | DimCell={AYProjName,AXProjName};
|
---|
| 1415 | % DimValue=DimValue(ind_new);
|
---|
| 1416 | iz=ceil((ObjectData.Coord(1,1)-Coord{3}(1))/DX)+1;
|
---|
| 1417 | for ivar=VarIndex
|
---|
| 1418 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1419 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 1420 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1421 | ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; %reproduce the variable attributes
|
---|
| 1422 | eval(['ProjData.' VarName '=permute(FieldData.' VarName ',ind_new);'])% permute x and z indices for 90 degree rotation
|
---|
| 1423 | eval(['ProjData.' VarName '=squeeze(ProjData.' VarName '(iz,:,:));'])% select the z index iz
|
---|
[227] | 1424 | end
|
---|
[491] | 1425 | eval(['ProjData.' AYProjName '=[Ybound(1) Ybound(2)];']) %record the new (projected ) y coordinates
|
---|
| 1426 | eval(['ProjData.' AXProjName '=[Coord{1}(end),Coord{1}(1)];']) %record the new (projected ) x coordinates
|
---|
| 1427 | else
|
---|
[227] | 1428 | if NbDim==3
|
---|
[491] | 1429 | DimCell(1)=[]; %suppress z variable
|
---|
| 1430 | DimValue(1)=[];
|
---|
| 1431 | if test_direct(1)
|
---|
| 1432 | iz=ceil((ObjectData.Coord(1,3)-Coord{1}(1))/DZ)+1;
|
---|
| 1433 | else
|
---|
| 1434 | iz=ceil((Coord{1}(1)-ObjectData.Coord(1,3))/DZ)+1;
|
---|
| 1435 | end
|
---|
[227] | 1436 | end
|
---|
[491] | 1437 | max_indy=min(max_indy,DimValue(1));%introduce bounds in y and x indices
|
---|
| 1438 | max_indx=min(max_indx,DimValue(2));
|
---|
| 1439 | for ivar=VarIndex% loop on non coordinate variables
|
---|
| 1440 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1441 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 1442 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1443 | if isfield(FieldData,'VarAttribute') && length(FieldData.VarAttribute)>=ivar
|
---|
| 1444 | ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar};
|
---|
| 1445 | end
|
---|
| 1446 | if NbDim==3
|
---|
| 1447 | eval(['ProjData.' VarName '=squeeze(FieldData.' VarName '(iz,min_indy:max_indy,min_indx:max_indx));']);
|
---|
| 1448 | else
|
---|
| 1449 | eval(['ProjData.' VarName '=FieldData.' VarName '(min_indy:max_indy,min_indx:max_indx,:);']);
|
---|
| 1450 | end
|
---|
| 1451 | end
|
---|
| 1452 | eval(['ProjData.' AYProjName '=[Ybound(1) Ybound(2)];']) %record the new (projected ) y coordinates
|
---|
| 1453 | eval(['ProjData.' AXProjName '=[Xbound(1) Xbound(2)];']) %record the new (projected ) x coordinates
|
---|
[227] | 1454 | end
|
---|
| 1455 | end
|
---|
[491] | 1456 | else % case with rotation and/or interpolation
|
---|
| 1457 | if NbDim==2 %2D case
|
---|
| 1458 | [X,Y]=meshgrid(coord_x_proj,coord_y_proj);%grid in the new coordinates
|
---|
| 1459 | XIMA=ObjectData.Coord(1,1)+(X)*cos(PlaneAngle(3))-Y*sin(PlaneAngle(3));%corresponding coordinates in the original image
|
---|
| 1460 | YIMA=ObjectData.Coord(1,2)+(X)*sin(PlaneAngle(3))+Y*cos(PlaneAngle(3));
|
---|
| 1461 | XIMA=(XIMA-minAX)/DXinit+1;% image index along x
|
---|
| 1462 | YIMA=(-YIMA+maxAY)/DYinit+1;% image index along y
|
---|
| 1463 | XIMA=reshape(round(XIMA),1,npX*npY);%indices reorganized in 'line'
|
---|
| 1464 | YIMA=reshape(round(YIMA),1,npX*npY);
|
---|
| 1465 | flagin=XIMA>=1 & XIMA<=DimValue(2) & YIMA >=1 & YIMA<=DimValue(1);%flagin=1 inside the original image
|
---|
[515] | 1466 | if isequal(ProjMode{icell},'filter')
|
---|
[491] | 1467 | npx_filter=ceil(abs(DX/DAX));
|
---|
| 1468 | npy_filter=ceil(abs(DY/DAY));
|
---|
| 1469 | Mfilter=ones(npy_filter,npx_filter)/(npx_filter*npy_filter);
|
---|
| 1470 | test_filter=1;
|
---|
| 1471 | else
|
---|
| 1472 | test_filter=0;
|
---|
[204] | 1473 | end
|
---|
[491] | 1474 | eval(['ProjData.' AYName '=[coord_y_proj(1) coord_y_proj(end)];']) %record the new (projected ) y coordinates
|
---|
| 1475 | eval(['ProjData.' AXName '=[coord_x_proj(1) coord_x_proj(end)];']) %record the new (projected ) x coordinates
|
---|
[227] | 1476 | for ivar=VarIndex
|
---|
| 1477 | VarName=FieldData.ListVarName{ivar};
|
---|
[491] | 1478 | if test_interp(1) || test_interp(2)%interpolate on a regular grid
|
---|
| 1479 | eval(['ProjData.' VarName '=interp2(Coord{2},Coord{1},FieldData.' VarName ',Coord_x,Coord_y'');']) %TO TEST
|
---|
| 1480 | end
|
---|
| 1481 | %filter the field (image) if option 'filter' is used
|
---|
[546] | 1482 | % if test_filter
|
---|
| 1483 | % Aclass=class(FieldData.A);
|
---|
| 1484 | % eval(['ProjData.' VarName '=filter2(Mfilter,FieldData.' VarName ',''valid'');'])
|
---|
| 1485 | % if ~isequal(Aclass,'double')
|
---|
| 1486 | % eval(['ProjData.' VarName '=' Aclass '(FieldData.' VarName ');'])%revert to integer values
|
---|
| 1487 | % end
|
---|
| 1488 | % end
|
---|
[491] | 1489 | eval(['vec_A=reshape(FieldData.' VarName ',[],nbcolor);'])%put the original image in line
|
---|
| 1490 | %ind_in=find(flagin);
|
---|
| 1491 | ind_out=find(~flagin);
|
---|
| 1492 | ICOMB=(XIMA-1)*DimValue(1)+YIMA;
|
---|
| 1493 | ICOMB=ICOMB(flagin);%index corresponding to XIMA and YIMA in the aligned original image vec_A
|
---|
| 1494 | vec_B(flagin,1:nbcolor)=vec_A(ICOMB,:);
|
---|
| 1495 | for icolor=1:nbcolor
|
---|
| 1496 | vec_B(ind_out,icolor)=zeros(size(ind_out));
|
---|
| 1497 | end
|
---|
[227] | 1498 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
[491] | 1499 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1500 | if isfield(FieldData,'VarAttribute')&&length(FieldData.VarAttribute)>=ivar
|
---|
| 1501 | ProjData.VarAttribute{length(ProjData.ListVarName)+nbcoord}=FieldData.VarAttribute{ivar};
|
---|
[204] | 1502 | end
|
---|
[491] | 1503 | eval(['ProjData.' VarName '=reshape(vec_B,npY,npX,nbcolor);']);
|
---|
[204] | 1504 | end
|
---|
[491] | 1505 | ProjData.FF=reshape(~flagin,npY,npX);%false flag A FAIRE: tenir compte d'un flga antérieur
|
---|
| 1506 | ProjData.ListVarName=[ProjData.ListVarName 'FF'];
|
---|
| 1507 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1508 | ProjData.VarAttribute{length(ProjData.ListVarName)}.Role='errorflag';
|
---|
| 1509 | elseif ~testangle
|
---|
| 1510 | % unstructured z coordinate
|
---|
| 1511 | test_sup=(Coord{1}>=ObjectData.Coord(1,3));
|
---|
| 1512 | iz_sup=find(test_sup);
|
---|
| 1513 | iz=iz_sup(1);
|
---|
| 1514 | if iz>=1 & iz<=npz
|
---|
| 1515 | %ProjData.ListDimName=[ProjData.ListDimName ListDimName(2:end)];
|
---|
| 1516 | %ProjData.DimValue=[ProjData.DimValue npY npX];
|
---|
| 1517 | for ivar=VarIndex
|
---|
| 1518 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1519 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 1520 | ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; %reproduce the variable attributes
|
---|
| 1521 | eval(['ProjData.' VarName '=squeeze(FieldData.' VarName '(iz,:,:));'])% select the z index iz
|
---|
| 1522 | %TODO : do a vertical average for a thick plane
|
---|
| 1523 | if test_interp(2) || test_interp(3)
|
---|
| 1524 | eval(['ProjData.' VarName '=interp2(Coord{3},Coord{2},ProjData.' VarName ',Coord_x,Coord_y'');'])
|
---|
| 1525 | end
|
---|
| 1526 | end
|
---|
| 1527 | end
|
---|
| 1528 | else
|
---|
| 1529 | errormsg='projection of structured coordinates on oblique plane not yet implemented';
|
---|
| 1530 | %TODO: use interp3
|
---|
| 1531 | return
|
---|
[204] | 1532 | end
|
---|
| 1533 | end
|
---|
| 1534 | end
|
---|
[227] | 1535 |
|
---|
[204] | 1536 | %% projection of velocity components in the rotated coordinates
|
---|
[206] | 1537 | if testangle && length(ivar_U)==1
|
---|
[204] | 1538 | if isempty(ivar_V)
|
---|
| 1539 | msgbox_uvmat('ERROR','v velocity component missing in proj_field.m')
|
---|
| 1540 | return
|
---|
| 1541 | end
|
---|
| 1542 | UName=FieldData.ListVarName{ivar_U};
|
---|
[227] | 1543 | VName=FieldData.ListVarName{ivar_V};
|
---|
[212] | 1544 | eval(['ProjData.' UName '=cos(PlaneAngle(3))*ProjData.' UName '+ sin(PlaneAngle(3))*ProjData.' VName ';'])
|
---|
| 1545 | eval(['ProjData.' VName '=cos(Theta)*(-sin(PlaneAngle(3))*ProjData.' UName '+ cos(PlaneAngle(3))*ProjData.' VName ');'])
|
---|
[204] | 1546 | if ~isempty(ivar_W)
|
---|
| 1547 | WName=FieldData.ListVarName{ivar_W};
|
---|
[227] | 1548 | eval(['ProjData.' VName '=ProjData.' VName '+ ProjData.' WName '*sin(Theta);'])%
|
---|
[204] | 1549 | eval(['ProjData.' WName '=NormVec_X*ProjData.' UName '+ NormVec_Y*ProjData.' VName '+ NormVec_Z* ProjData.' WName ';']);
|
---|
| 1550 | end
|
---|
| 1551 | if ~isequal(Psi,0)
|
---|
| 1552 | eval(['ProjData.' UName '=cos(Psi)* ProjData.' UName '- sin(Psi)*ProjData.' VName ';']);
|
---|
| 1553 | eval(['ProjData.' VName '=sin(Psi)* ProjData.' UName '+ cos(Psi)*ProjData.' VName ';']);
|
---|
| 1554 | end
|
---|
| 1555 | end
|
---|
| 1556 | end
|
---|
[236] | 1557 |
|
---|
[515] | 1558 | % %prepare substraction in case of two input fields
|
---|
| 1559 | % SubData.ListVarName={};
|
---|
| 1560 | % SubData.VarDimName={};
|
---|
| 1561 | % SubData.VarAttribute={};
|
---|
| 1562 | % check_remove=zeros(size(ProjData.ListVarName));
|
---|
| 1563 | % for iproj=1:numel(ProjData.VarAttribute)
|
---|
| 1564 | % if isfield(ProjData.VarAttribute{iproj},'CheckSub')&&isequal(ProjData.VarAttribute{iproj}.CheckSub,1)
|
---|
| 1565 | % VarName=ProjData.ListVarName{iproj};
|
---|
| 1566 | % SubData.ListVarName=[SubData.ListVarName {VarName}];
|
---|
| 1567 | % SubData.VarDimName=[SubData.VarDimName ProjData.VarDimName{iproj}];
|
---|
| 1568 | % SubData.VarAttribute=[SubData.VarAttribute ProjData.VarAttribute{iproj}];
|
---|
| 1569 | % SubData.(VarName)=ProjData.(VarName);
|
---|
| 1570 | % check_remove(iproj)=1;
|
---|
| 1571 | % end
|
---|
| 1572 | % end
|
---|
| 1573 | % if ~isempty(find(check_remove))
|
---|
| 1574 | % ind_remove=find(check_remove);
|
---|
| 1575 | % ProjData.ListVarName(ind_remove)=[];
|
---|
| 1576 | % ProjData.VarDimName(ind_remove)=[];
|
---|
| 1577 | % ProjData.VarAttribute(ind_remove)=[];
|
---|
| 1578 | % ProjData=sub_field(ProjData,[],SubData);
|
---|
| 1579 | % end
|
---|
| 1580 |
|
---|
[204] | 1581 | %-----------------------------------------------------------------
|
---|
[206] | 1582 | %projection in a volume
|
---|
[204] | 1583 | function [ProjData,errormsg] = proj_volume(FieldData, ObjectData)
|
---|
| 1584 | %-----------------------------------------------------------------
|
---|
[206] | 1585 | ProjData=FieldData;%default output
|
---|
[204] | 1586 |
|
---|
[206] | 1587 | %% axis origin
|
---|
[204] | 1588 | if isempty(ObjectData.Coord)
|
---|
[206] | 1589 | ObjectData.Coord(1,1)=0;%origin of the plane set to [0 0] by default
|
---|
[204] | 1590 | ObjectData.Coord(1,2)=0;
|
---|
| 1591 | ObjectData.Coord(1,3)=0;
|
---|
| 1592 | end
|
---|
| 1593 |
|
---|
[206] | 1594 | %% rotation angles
|
---|
| 1595 | VolumeAngle=[0 0 0];
|
---|
| 1596 | norm_plane=[0 0 1];
|
---|
| 1597 | if isfield(ObjectData,'Angle')&& isequal(size(ObjectData.Angle),[1 3])&& ~isequal(ObjectData.Angle,[0 0 0])
|
---|
| 1598 | PlaneAngle=ObjectData.Angle;
|
---|
| 1599 | VolumeAngle=ObjectData.Angle;
|
---|
| 1600 | om=norm(VolumeAngle);%norm of rotation angle in radians
|
---|
| 1601 | OmAxis=VolumeAngle/om; %unit vector marking the rotation axis
|
---|
| 1602 | cos_om=cos(pi*om/180);
|
---|
| 1603 | sin_om=sin(pi*om/180);
|
---|
| 1604 | coeff=OmAxis(3)*(1-cos_om);
|
---|
| 1605 | %components of the unity vector norm_plane normal to the projection plane
|
---|
| 1606 | norm_plane(1)=OmAxis(1)*coeff+OmAxis(2)*sin_om;
|
---|
| 1607 | norm_plane(2)=OmAxis(2)*coeff-OmAxis(1)*sin_om;
|
---|
| 1608 | norm_plane(3)=OmAxis(3)*coeff+cos_om;
|
---|
[204] | 1609 | end
|
---|
[206] | 1610 | testangle=~isequal(VolumeAngle,[0 0 0]);
|
---|
[204] | 1611 |
|
---|
[206] | 1612 | %% mesh sizes DX, DY, DZ
|
---|
[204] | 1613 | DX=0;
|
---|
| 1614 | DY=0; %default
|
---|
[206] | 1615 | DZ=0;
|
---|
[204] | 1616 | if isfield(ObjectData,'DX')&~isempty(ObjectData.DX)
|
---|
| 1617 | DX=abs(ObjectData.DX);%mesh of interpolation points
|
---|
| 1618 | end
|
---|
| 1619 | if isfield(ObjectData,'DY')&~isempty(ObjectData.DY)
|
---|
| 1620 | DY=abs(ObjectData.DY);%mesh of interpolation points
|
---|
| 1621 | end
|
---|
| 1622 | if isfield(ObjectData,'DZ')&~isempty(ObjectData.DZ)
|
---|
| 1623 | DZ=abs(ObjectData.DZ);%mesh of interpolation points
|
---|
| 1624 | end
|
---|
[206] | 1625 | if ~strcmp(ProjMode,'projection') && (DX==0||DY==0||DZ==0)
|
---|
| 1626 | errormsg='grid mesh DX , DY or DZ is missing';
|
---|
| 1627 | return
|
---|
| 1628 | end
|
---|
[204] | 1629 |
|
---|
[206] | 1630 | %% extrema along each axis
|
---|
[204] | 1631 | testXMin=0;
|
---|
| 1632 | testXMax=0;
|
---|
| 1633 | testYMin=0;
|
---|
| 1634 | testYMax=0;
|
---|
| 1635 | if isfield(ObjectData,'RangeX')
|
---|
| 1636 | XMin=min(ObjectData.RangeX);
|
---|
| 1637 | XMax=max(ObjectData.RangeX);
|
---|
| 1638 | testXMin=XMax>XMin;
|
---|
| 1639 | testXMax=1;
|
---|
| 1640 | end
|
---|
| 1641 | if isfield(ObjectData,'RangeY')
|
---|
| 1642 | YMin=min(ObjectData.RangeY);
|
---|
| 1643 | YMax=max(ObjectData.RangeY);
|
---|
| 1644 | testYMin=YMax>YMin;
|
---|
| 1645 | testYMax=1;
|
---|
| 1646 | end
|
---|
| 1647 | width=0;%default width of the projection band
|
---|
| 1648 | if isfield(ObjectData,'RangeZ')
|
---|
[206] | 1649 | ZMin=min(ObjectData.RangeZ);
|
---|
[204] | 1650 | ZMax=max(ObjectData.RangeZ);
|
---|
[206] | 1651 | testZMin=ZMax>ZMin;
|
---|
[204] | 1652 | testZMax=1;
|
---|
| 1653 | end
|
---|
| 1654 |
|
---|
[206] | 1655 | %% initiate Matlab structure for physical field
|
---|
[204] | 1656 | [ProjData,errormsg]=proj_heading(FieldData,ObjectData);
|
---|
| 1657 | ProjData.NbDim=3;
|
---|
| 1658 | ProjData.ListVarName={};
|
---|
| 1659 | ProjData.VarDimName={};
|
---|
[206] | 1660 | if ~isequal(DX,0)&& ~isequal(DY,0)
|
---|
| 1661 | ProjData.Mesh=sqrt(DX*DY);%define typical data mesh, useful for mouse selection in plots
|
---|
| 1662 | elseif isfield(FieldData,'Mesh')
|
---|
| 1663 | ProjData.Mesh=FieldData.Mesh;
|
---|
| 1664 | end
|
---|
[204] | 1665 |
|
---|
| 1666 | error=0;%default
|
---|
| 1667 | flux=0;
|
---|
| 1668 | testfalse=0;
|
---|
| 1669 | ListIndex={};
|
---|
| 1670 |
|
---|
| 1671 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
---|
[206] | 1672 | %% group the variables (fields of 'FieldData') in cells of variables with the same dimensions
|
---|
[204] | 1673 | %-----------------------------------------------------------------
|
---|
| 1674 | idimvar=0;
|
---|
[206] | 1675 | % LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS
|
---|
[204] | 1676 | % CellVarIndex=cells of variable index arrays
|
---|
| 1677 | ivar_new=0; % index of the current variable in the projected field
|
---|
| 1678 | icoord=0;
|
---|
| 1679 | nbcoord=0;%number of added coordinate variables brought by projection
|
---|
[206] | 1680 | nbvar=0;
|
---|
[204] | 1681 | for icell=1:length(CellVarIndex)
|
---|
[206] | 1682 | NbDim=NbDimVec(icell);
|
---|
| 1683 | if NbDim<3
|
---|
[204] | 1684 | continue
|
---|
| 1685 | end
|
---|
| 1686 | VarIndex=CellVarIndex{icell};% indices of the selected variables in the list FieldData.ListVarName
|
---|
| 1687 | VarType=VarTypeCell{icell};
|
---|
| 1688 | ivar_X=VarType.coord_x;
|
---|
| 1689 | ivar_Y=VarType.coord_y;
|
---|
| 1690 | ivar_Z=VarType.coord_z;
|
---|
| 1691 | ivar_U=VarType.vector_x;
|
---|
| 1692 | ivar_V=VarType.vector_y;
|
---|
| 1693 | ivar_W=VarType.vector_z;
|
---|
| 1694 | ivar_C=VarType.scalar ;
|
---|
| 1695 | ivar_Anc=VarType.ancillary;
|
---|
| 1696 | test_anc=zeros(size(VarIndex));
|
---|
| 1697 | test_anc(ivar_Anc)=ones(size(ivar_Anc));
|
---|
| 1698 | ivar_F=VarType.warnflag;
|
---|
| 1699 | ivar_FF=VarType.errorflag;
|
---|
[399] | 1700 | check_unstructured_coord=~isempty(ivar_X) && ~isempty(ivar_Y);
|
---|
[204] | 1701 | DimCell=FieldData.VarDimName{VarIndex(1)};
|
---|
| 1702 | if ischar(DimCell)
|
---|
| 1703 | DimCell={DimCell};%name of dimensions
|
---|
| 1704 | end
|
---|
[206] | 1705 |
|
---|
| 1706 | %% case of input fields with unstructured coordinates
|
---|
[399] | 1707 | if check_unstructured_coord
|
---|
[204] | 1708 | XName=FieldData.ListVarName{ivar_X};
|
---|
| 1709 | YName=FieldData.ListVarName{ivar_Y};
|
---|
| 1710 | eval(['coord_x=FieldData.' XName ';'])
|
---|
| 1711 | eval(['coord_y=FieldData.' YName ';'])
|
---|
| 1712 | if length(ivar_Z)==1
|
---|
| 1713 | ZName=FieldData.ListVarName{ivar_Z};
|
---|
| 1714 | eval(['coord_z=FieldData.' ZName ';'])
|
---|
| 1715 | end
|
---|
| 1716 |
|
---|
| 1717 | % translate initial coordinates
|
---|
| 1718 | coord_x=coord_x-ObjectData.Coord(1,1);
|
---|
| 1719 | coord_y=coord_y-ObjectData.Coord(1,2);
|
---|
| 1720 | if ~isempty(ivar_Z)
|
---|
| 1721 | coord_z=coord_z-ObjectData.Coord(1,3);
|
---|
| 1722 | end
|
---|
| 1723 |
|
---|
[206] | 1724 | % selection of the vectors in the projection range
|
---|
| 1725 | % if length(ivar_Z)==1 && width > 0
|
---|
| 1726 | % %components of the unitiy vector normal to the projection plane
|
---|
| 1727 | % fieldZ=NormVec_X*coord_x + NormVec_Y*coord_y+ NormVec_Z*coord_z;% distance to the plane
|
---|
| 1728 | % indcut=find(abs(fieldZ) <= width);
|
---|
| 1729 | % for ivar=VarIndex
|
---|
| 1730 | % VarName=FieldData.ListVarName{ivar};
|
---|
| 1731 | % eval(['FieldData.' VarName '=FieldData.' VarName '(indcut);'])
|
---|
| 1732 | % % A VOIR : CAS DE VAR STRUCTUREE MAIS PAS GRILLE REGULIERE : INTERPOLER SUR GRILLE REGULIERE
|
---|
| 1733 | % end
|
---|
| 1734 | % coord_x=coord_x(indcut);
|
---|
| 1735 | % coord_y=coord_y(indcut);
|
---|
| 1736 | % coord_z=coord_z(indcut);
|
---|
| 1737 | % end
|
---|
[204] | 1738 |
|
---|
[206] | 1739 | %rotate coordinates if needed: TODO modify
|
---|
| 1740 | if testangle
|
---|
| 1741 | coord_X=(coord_x *cos(Phi) + coord_y* sin(Phi));
|
---|
| 1742 | coord_Y=(-coord_x *sin(Phi) + coord_y *cos(Phi))*cos(Theta);
|
---|
| 1743 | if ~isempty(ivar_Z)
|
---|
| 1744 | coord_Y=coord_Y+coord_z *sin(Theta);
|
---|
| 1745 | end
|
---|
| 1746 |
|
---|
| 1747 | coord_X=(coord_X *cos(Psi) - coord_Y* sin(Psi));%A VERIFIER
|
---|
| 1748 | coord_Y=(coord_X *sin(Psi) + coord_Y* cos(Psi));
|
---|
| 1749 |
|
---|
| 1750 | else
|
---|
| 1751 | coord_X=coord_x;
|
---|
| 1752 | coord_Y=coord_y;
|
---|
| 1753 | coord_Z=coord_z;
|
---|
| 1754 | end
|
---|
[204] | 1755 | %restriction to the range of x and y if imposed
|
---|
| 1756 | testin=ones(size(coord_X)); %default
|
---|
| 1757 | testbound=0;
|
---|
| 1758 | if testXMin
|
---|
| 1759 | testin=testin & (coord_X >= XMin);
|
---|
| 1760 | testbound=1;
|
---|
| 1761 | end
|
---|
| 1762 | if testXMax
|
---|
| 1763 | testin=testin & (coord_X <= XMax);
|
---|
| 1764 | testbound=1;
|
---|
| 1765 | end
|
---|
| 1766 | if testYMin
|
---|
| 1767 | testin=testin & (coord_Y >= YMin);
|
---|
| 1768 | testbound=1;
|
---|
| 1769 | end
|
---|
[248] | 1770 | if testYMax
|
---|
[204] | 1771 | testin=testin & (coord_Y <= YMax);
|
---|
| 1772 | testbound=1;
|
---|
| 1773 | end
|
---|
| 1774 | if testbound
|
---|
| 1775 | indcut=find(testin);
|
---|
| 1776 | for ivar=VarIndex
|
---|
| 1777 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1778 | eval(['FieldData.' VarName '=FieldData.' VarName '(indcut);'])
|
---|
| 1779 | end
|
---|
| 1780 | coord_X=coord_X(indcut);
|
---|
| 1781 | coord_Y=coord_Y(indcut);
|
---|
| 1782 | if length(ivar_Z)==1
|
---|
| 1783 | coord_Z=coord_Z(indcut);
|
---|
| 1784 | end
|
---|
| 1785 | end
|
---|
| 1786 | % different cases of projection
|
---|
[206] | 1787 | if isequal(ObjectData.ProjMode,'projection')%%%%%%% NOT USED %%%%%%%%%%
|
---|
[204] | 1788 | for ivar=VarIndex %transfer variables to the projection plane
|
---|
| 1789 | VarName=FieldData.ListVarName{ivar};
|
---|
| 1790 | if ivar==ivar_X %x coordinate
|
---|
| 1791 | eval(['ProjData.' VarName '=coord_X;'])
|
---|
| 1792 | elseif ivar==ivar_Y % y coordinate
|
---|
| 1793 | eval(['ProjData.' VarName '=coord_Y;'])
|
---|
| 1794 | elseif isempty(ivar_Z) || ivar~=ivar_Z % other variables (except Z coordinate wyhich is not reproduced)
|
---|
| 1795 | eval(['ProjData.' VarName '=FieldData.' VarName ';'])
|
---|
| 1796 | end
|
---|
| 1797 | if isempty(ivar_Z) || ivar~=ivar_Z
|
---|
| 1798 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 1799 | ProjData.VarDimName=[ProjData.VarDimName DimCell];
|
---|
| 1800 | nbvar=nbvar+1;
|
---|
[206] | 1801 | if isfield(FieldData,'VarAttribute') && length(FieldData.VarAttribute) >=ivar
|
---|
[204] | 1802 | ProjData.VarAttribute{nbvar}=FieldData.VarAttribute{ivar};
|
---|
| 1803 | end
|
---|
| 1804 | end
|
---|
| 1805 | end
|
---|
| 1806 | elseif isequal(ObjectData.ProjMode,'interp')||isequal(ObjectData.ProjMode,'filter')%interpolate data on a regular grid
|
---|
[206] | 1807 | coord_x_proj=XMin:DX:XMax;
|
---|
| 1808 | coord_y_proj=YMin:DY:YMax;
|
---|
| 1809 | coord_z_proj=ZMin:DZ:ZMax;
|
---|
| 1810 | DimCell={'coord_z','coord_y','coord_x'};
|
---|
[204] | 1811 | ProjData.ListVarName={'coord_z','coord_y','coord_x'};
|
---|
| 1812 | ProjData.VarDimName={'coord_z','coord_y','coord_x'};
|
---|
[206] | 1813 | nbcoord=2;
|
---|
[204] | 1814 | ProjData.coord_z=[ZMin ZMax];
|
---|
| 1815 | ProjData.coord_y=[YMin YMax];
|
---|
| 1816 | ProjData.coord_x=[XMin XMax];
|
---|
| 1817 | if isempty(ivar_X), ivar_X=0; end;
|
---|
| 1818 | if isempty(ivar_Y), ivar_Y=0; end;
|
---|
| 1819 | if isempty(ivar_Z), ivar_Z=0; end;
|
---|
| 1820 | if isempty(ivar_U), ivar_U=0; end;
|
---|
| 1821 | if isempty(ivar_V), ivar_V=0; end;
|
---|
| 1822 | if isempty(ivar_W), ivar_W=0; end;
|
---|
| 1823 | if isempty(ivar_F), ivar_F=0; end;
|
---|
| 1824 | if isempty(ivar_FF), ivar_FF=0; end;
|
---|
| 1825 | if ~isequal(ivar_FF,0)
|
---|
| 1826 | VarName_FF=FieldData.ListVarName{ivar_FF};
|
---|
| 1827 | eval(['indsel=find(FieldData.' VarName_FF '==0);'])
|
---|
| 1828 | coord_X=coord_X(indsel);
|
---|
| 1829 | coord_Y=coord_Y(indsel);
|
---|
| 1830 | end
|
---|
| 1831 | FF=zeros(1,length(coord_y_proj)*length(coord_x_proj));
|
---|
| 1832 | testFF=0;
|
---|
[206] | 1833 | [X,Y,Z]=meshgrid(coord_y_proj,coord_z_proj,coord_x_proj);%grid in the new coordinates
|
---|
[204] | 1834 | for ivar=VarIndex
|
---|
[206] | 1835 | VarName=FieldData.ListVarName{ivar};
|
---|
[204] | 1836 | if ~( ivar==ivar_X || ivar==ivar_Y || ivar==ivar_Z || ivar==ivar_F || ivar==ivar_FF || test_anc(ivar)==1)
|
---|
| 1837 | ivar_new=ivar_new+1;
|
---|
| 1838 | ProjData.ListVarName=[ProjData.ListVarName {VarName}];
|
---|
| 1839 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1840 | if isfield(FieldData,'VarAttribute') && length(FieldData.VarAttribute) >=ivar
|
---|
| 1841 | ProjData.VarAttribute{ivar_new+nbcoord}=FieldData.VarAttribute{ivar};
|
---|
| 1842 | end
|
---|
| 1843 | if ~isequal(ivar_FF,0)
|
---|
| 1844 | eval(['FieldData.' VarName '=FieldData.' VarName '(indsel);'])
|
---|
| 1845 | end
|
---|
[206] | 1846 | eval(['InterpFct=TriScatteredInterp(double(coord_X),double(coord_Y),double(coord_Z),double(FieldData.' VarName '))'])
|
---|
| 1847 | eval(['ProjData.' VarName '=InterpFct(X,Y,Z);'])
|
---|
[204] | 1848 | % eval(['varline=reshape(ProjData.' VarName ',1,length(coord_y_proj)*length(coord_x_proj));'])
|
---|
| 1849 | % FFlag= isnan(varline); %detect undefined values NaN
|
---|
| 1850 | % indnan=find(FFlag);
|
---|
| 1851 | % if~isempty(indnan)
|
---|
| 1852 | % varline(indnan)=zeros(size(indnan));
|
---|
| 1853 | % eval(['ProjData.' VarName '=reshape(varline,length(coord_y_proj),length(coord_x_proj));'])
|
---|
| 1854 | % FF(indnan)=ones(size(indnan));
|
---|
| 1855 | % testFF=1;
|
---|
| 1856 | % end
|
---|
[206] | 1857 | if ivar==ivar_U
|
---|
| 1858 | ivar_U=ivar_new;
|
---|
| 1859 | end
|
---|
| 1860 | if ivar==ivar_V
|
---|
| 1861 | ivar_V=ivar_new;
|
---|
| 1862 | end
|
---|
| 1863 | if ivar==ivar_W
|
---|
| 1864 | ivar_W=ivar_new;
|
---|
| 1865 | end
|
---|
[204] | 1866 | end
|
---|
| 1867 | end
|
---|
| 1868 | if testFF
|
---|
| 1869 | ProjData.FF=reshape(FF,length(coord_y_proj),length(coord_x_proj));
|
---|
| 1870 | ProjData.ListVarName=[ProjData.ListVarName {'FF'}];
|
---|
| 1871 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 1872 | ProjData.VarAttribute{ivar_new+1+nbcoord}.Role='errorflag';
|
---|
| 1873 | end
|
---|
| 1874 | end
|
---|
[206] | 1875 |
|
---|
| 1876 | %% case of input fields defined on a structured grid
|
---|
| 1877 | else
|
---|
| 1878 | VarName=FieldData.ListVarName{VarIndex(1)};%get the first variable of the cell to get the input matrix dimensions
|
---|
| 1879 | eval(['DimValue=size(FieldData.' VarName ');'])%input matrix dimensions
|
---|
[227] | 1880 | DimValue(DimValue==1)=[];%remove singleton dimensions
|
---|
[206] | 1881 | NbDim=numel(DimValue);%update number of space dimensions
|
---|
| 1882 | nbcolor=1; %default number of 'color' components: third matrix index without corresponding coordinate
|
---|
| 1883 | if NbDim>=3
|
---|
| 1884 | if NbDim>3
|
---|
| 1885 | errormsg='matrices with more than 3 dimensions not handled';
|
---|
| 1886 | return
|
---|
| 1887 | else
|
---|
| 1888 | if numel(find(VarType.coord))==2% the third matrix dimension does not correspond to a space coordinate
|
---|
| 1889 | nbcolor=DimValue(3);
|
---|
| 1890 | DimValue(3)=[]; %number of 'color' components updated
|
---|
| 1891 | NbDim=2;% space dimension set to 2
|
---|
| 1892 | end
|
---|
| 1893 | end
|
---|
| 1894 | end
|
---|
| 1895 | AYName=FieldData.ListVarName{VarType.coord(NbDim-1)};%name of input x coordinate (name preserved on projection)
|
---|
| 1896 | AXName=FieldData.ListVarName{VarType.coord(NbDim)};%name of input y coordinate (name preserved on projection)
|
---|
[204] | 1897 | eval(['AX=FieldData.' AXName ';'])
|
---|
| 1898 | eval(['AY=FieldData.' AYName ';'])
|
---|
| 1899 | ListDimName=FieldData.VarDimName{VarIndex(1)};
|
---|
[206] | 1900 | ProjData.ListVarName=[ProjData.ListVarName {AYName} {AXName}]; %TODO: check if it already exists in Projdata (several cells)
|
---|
| 1901 | ProjData.VarDimName=[ProjData.VarDimName {AYName} {AXName}];
|
---|
| 1902 |
|
---|
| 1903 | % for idim=1:length(ListDimName)
|
---|
| 1904 | % DimName=ListDimName{idim};
|
---|
| 1905 | % if strcmp(DimName,'rgb')||strcmp(DimName,'nb_coord')||strcmp(DimName,'nb_coord_i')
|
---|
| 1906 | % nbcolor=DimValue(idim);
|
---|
| 1907 | % DimValue(idim)=[];
|
---|
| 1908 | % end
|
---|
| 1909 | % if isequal(DimName,'nb_coord_j')% NOTE: CASE OF TENSOR NOT TREATED
|
---|
| 1910 | % DimValue(idim)=[];
|
---|
| 1911 | % end
|
---|
| 1912 | % end
|
---|
[204] | 1913 | Coord_z=[];
|
---|
| 1914 | Coord_y=[];
|
---|
| 1915 | Coord_x=[];
|
---|
[206] | 1916 |
|
---|
[204] | 1917 | for idim=1:NbDim %loop on space dimensions
|
---|
| 1918 | test_interp(idim)=0;%test for coordiate interpolation (non regular grid), =0 by default
|
---|
[206] | 1919 | ivar=VarType.coord(idim);% index of the variable corresponding to the current dimension
|
---|
| 1920 | if ~isequal(ivar,0)% a variable corresponds to the dimension #idim
|
---|
| 1921 | eval(['Coord{idim}=FieldData.' FieldData.ListVarName{ivar} ';']) ;% coord values for the input field
|
---|
| 1922 | if numel(Coord{idim})==2 %input array defined on a regular grid
|
---|
| 1923 | DCoord_min(idim)=(Coord{idim}(2)-Coord{idim}(1))/DimValue(idim);
|
---|
| 1924 | else
|
---|
| 1925 | DCoord=diff(Coord{idim});%array of coordinate derivatives for the input field
|
---|
| 1926 | DCoord_min(idim)=min(DCoord);
|
---|
| 1927 | DCoord_max=max(DCoord);
|
---|
| 1928 | % test_direct(idim)=DCoord_max>0;% =1 for increasing values, 0 otherwise
|
---|
| 1929 | if abs(DCoord_max-DCoord_min(idim))>abs(DCoord_max/1000)
|
---|
| 1930 | msgbox_uvmat('ERROR',['non monotonic dimension variable # ' num2str(idim) ' in proj_field.m'])
|
---|
[204] | 1931 | return
|
---|
[206] | 1932 | end
|
---|
| 1933 | test_interp(idim)=(DCoord_max-DCoord_min(idim))> 0.0001*abs(DCoord_max);% test grid regularity
|
---|
| 1934 | end
|
---|
| 1935 | test_direct(idim)=(DCoord_min(idim)>0);
|
---|
| 1936 | else % no variable associated with the dimension #idim, the coordinate value is set equal to the matrix index by default
|
---|
[204] | 1937 | Coord_i_str=['Coord_' num2str(idim)];
|
---|
| 1938 | DCoord_min(idim)=1;%default
|
---|
| 1939 | Coord{idim}=[0.5 DimValue(idim)-0.5];
|
---|
| 1940 | test_direct(idim)=1;
|
---|
| 1941 | end
|
---|
| 1942 | end
|
---|
[206] | 1943 | if DY==0
|
---|
| 1944 | DY=abs(DCoord_min(NbDim-1));
|
---|
| 1945 | end
|
---|
| 1946 | npY=1+round(abs(Coord{NbDim-1}(end)-Coord{NbDim-1}(1))/DY);%nbre of points after interpol
|
---|
| 1947 | if DX==0
|
---|
| 1948 | DX=abs(DCoord_min(NbDim));
|
---|
| 1949 | end
|
---|
| 1950 | npX=1+round(abs(Coord{NbDim}(end)-Coord{NbDim}(1))/DX);%nbre of points after interpol
|
---|
| 1951 | for idim=1:NbDim
|
---|
| 1952 | if test_interp(idim)
|
---|
| 1953 | DimValue(idim)=1+round(abs(Coord{idim}(end)-Coord{idim}(1))/abs(DCoord_min(idim)));%nbre of points after possible interpolation on a regular gri
|
---|
[204] | 1954 | end
|
---|
[206] | 1955 | end
|
---|
| 1956 | Coord_y=linspace(Coord{NbDim-1}(1),Coord{NbDim-1}(end),npY);
|
---|
| 1957 | test_direct_y=test_direct(NbDim-1);
|
---|
| 1958 | Coord_x=linspace(Coord{NbDim}(1),Coord{NbDim}(end),npX);
|
---|
| 1959 | test_direct_x=test_direct(NbDim);
|
---|
| 1960 | DAX=DCoord_min(NbDim);
|
---|
| 1961 | DAY=DCoord_min(NbDim-1);
|
---|
[204] | 1962 | minAX=min(Coord_x);
|
---|
| 1963 | maxAX=max(Coord_x);
|
---|
| 1964 | minAY=min(Coord_y);
|
---|
| 1965 | maxAY=max(Coord_y);
|
---|
| 1966 | xcorner=[minAX maxAX minAX maxAX]-ObjectData.Coord(1,1);
|
---|
| 1967 | ycorner=[maxAY maxAY minAY minAY]-ObjectData.Coord(1,2);
|
---|
| 1968 | xcor_new=xcorner*cos(Phi)+ycorner*sin(Phi);%coord new frame
|
---|
| 1969 | ycor_new=-xcorner*sin(Phi)+ycorner*cos(Phi);
|
---|
| 1970 | if ~testXMax
|
---|
| 1971 | XMax=max(xcor_new);
|
---|
| 1972 | end
|
---|
| 1973 | if ~testXMin
|
---|
| 1974 | XMin=min(xcor_new);
|
---|
| 1975 | end
|
---|
| 1976 | if ~testYMax
|
---|
| 1977 | YMax=max(ycor_new);
|
---|
| 1978 | end
|
---|
| 1979 | if ~testYMin
|
---|
| 1980 | YMin=min(ycor_new);
|
---|
| 1981 | end
|
---|
[206] | 1982 | DXinit=(maxAX-minAX)/(DimValue(NbDim)-1);
|
---|
| 1983 | DYinit=(maxAY-minAY)/(DimValue(NbDim-1)-1);
|
---|
[204] | 1984 | if DX==0
|
---|
| 1985 | DX=DXinit;
|
---|
| 1986 | end
|
---|
| 1987 | if DY==0
|
---|
| 1988 | DY=DYinit;
|
---|
| 1989 | end
|
---|
[206] | 1990 | if NbDim==3
|
---|
| 1991 | DZ=(Coord{1}(end)-Coord{1}(1))/(DimValue(1)-1);
|
---|
| 1992 | if ~test_direct(1)
|
---|
| 1993 | DZ=-DZ;
|
---|
| 1994 | end
|
---|
| 1995 | Coord_z=linspace(Coord{1}(1),Coord{1}(end),DimValue(1));
|
---|
| 1996 | test_direct_z=test_direct(1);
|
---|
| 1997 | end
|
---|
[204] | 1998 | npX=floor((XMax-XMin)/DX+1);
|
---|
[206] | 1999 | npY=floor((YMax-YMin)/DY+1);
|
---|
[204] | 2000 | if test_direct_y
|
---|
| 2001 | coord_y_proj=linspace(YMin,YMax,npY);%abscissa of the new pixels along the line
|
---|
| 2002 | else
|
---|
| 2003 | coord_y_proj=linspace(YMax,YMin,npY);%abscissa of the new pixels along the line
|
---|
| 2004 | end
|
---|
| 2005 | if test_direct_x
|
---|
| 2006 | coord_x_proj=linspace(XMin,XMax,npX);%abscissa of the new pixels along the line
|
---|
| 2007 | else
|
---|
| 2008 | coord_x_proj=linspace(XMax,XMin,npX);%abscissa of the new pixels along the line
|
---|
| 2009 | end
|
---|
| 2010 |
|
---|
| 2011 | % case with no rotation and interpolation
|
---|
| 2012 | if isequal(ProjMode,'projection') && isequal(Phi,0) && isequal(Theta,0) && isequal(Psi,0)
|
---|
[206] | 2013 | if ~testXMin && ~testXMax && ~testYMin && ~testYMax && NbDim==2
|
---|
| 2014 | ProjData=FieldData;
|
---|
[204] | 2015 | else
|
---|
[206] | 2016 | indY=NbDim-1;
|
---|
| 2017 | if test_direct(indY)
|
---|
| 2018 | min_indy=ceil((YMin-Coord{indY}(1))/DYinit)+1;
|
---|
| 2019 | max_indy=floor((YMax-Coord{indY}(1))/DYinit)+1;
|
---|
| 2020 | Ybound(1)=Coord{indY}(1)+DYinit*(min_indy-1);
|
---|
| 2021 | Ybound(2)=Coord{indY}(1)+DYinit*(max_indy-1);
|
---|
| 2022 | else
|
---|
| 2023 | min_indy=ceil((Coord{indY}(1)-YMax)/DYinit)+1;
|
---|
| 2024 | max_indy=floor((Coord{indY}(1)-YMin)/DYinit)+1;
|
---|
| 2025 | Ybound(2)=Coord{indY}(1)-DYinit*(max_indy-1);
|
---|
| 2026 | Ybound(1)=Coord{indY}(1)-DYinit*(min_indy-1);
|
---|
| 2027 | end
|
---|
| 2028 | if test_direct(NbDim)==1
|
---|
| 2029 | min_indx=ceil((XMin-Coord{NbDim}(1))/DXinit)+1;
|
---|
| 2030 | max_indx=floor((XMax-Coord{NbDim}(1))/DXinit)+1;
|
---|
| 2031 | Xbound(1)=Coord{NbDim}(1)+DXinit*(min_indx-1);
|
---|
| 2032 | Xbound(2)=Coord{NbDim}(1)+DXinit*(max_indx-1);
|
---|
| 2033 | else
|
---|
| 2034 | min_indx=ceil((Coord{NbDim}(1)-XMax)/DXinit)+1;
|
---|
| 2035 | max_indx=floor((Coord{NbDim}(1)-XMin)/DXinit)+1;
|
---|
| 2036 | Xbound(2)=Coord{NbDim}(1)+DXinit*(max_indx-1);
|
---|
| 2037 | Xbound(1)=Coord{NbDim}(1)+DXinit*(min_indx-1);
|
---|
| 2038 | end
|
---|
| 2039 | if NbDim==3
|
---|
| 2040 | DimCell(1)=[]; %suppress z variable
|
---|
| 2041 | DimValue(1)=[];
|
---|
| 2042 | %structured coordinates
|
---|
| 2043 | if test_direct(1)
|
---|
| 2044 | iz=ceil((ObjectData.Coord(1,3)-Coord{1}(1))/DZ)+1;
|
---|
| 2045 | else
|
---|
| 2046 | iz=ceil((Coord{1}(1)-ObjectData.Coord(1,3))/DZ)+1;
|
---|
| 2047 | end
|
---|
[204] | 2048 | end
|
---|
[206] | 2049 | min_indy=max(min_indy,1);% deals with margin (bound lower than the first index)
|
---|
| 2050 | min_indx=max(min_indx,1);
|
---|
| 2051 | max_indy=min(max_indy,DimValue(1));
|
---|
| 2052 | max_indx=min(max_indx,DimValue(2));
|
---|
| 2053 | for ivar=VarIndex% loop on non coordinate variables
|
---|
| 2054 | VarName=FieldData.ListVarName{ivar};
|
---|
| 2055 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 2056 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 2057 | if isfield(FieldData,'VarAttribute') && length(FieldData.VarAttribute)>=ivar
|
---|
| 2058 | ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar};
|
---|
| 2059 | end
|
---|
| 2060 | if NbDim==3
|
---|
| 2061 | eval(['ProjData.' VarName '=squeeze(FieldData.' VarName '(iz,min_indy:max_indy,min_indx:max_indx));']);
|
---|
| 2062 | else
|
---|
| 2063 | eval(['ProjData.' VarName '=FieldData.' VarName '(min_indy:max_indy,min_indx:max_indx,:);']);
|
---|
| 2064 | end
|
---|
| 2065 | end
|
---|
| 2066 | eval(['ProjData.' AYName '=[Ybound(1) Ybound(2)];']) %record the new (projected ) y coordinates
|
---|
| 2067 | eval(['ProjData.' AXName '=[Xbound(1) Xbound(2)];']) %record the new (projected ) x coordinates
|
---|
| 2068 | end
|
---|
[494] | 2069 | elseif isfield(FieldData,'A') %TO GENERALISE % case with rotation and/or interpolation
|
---|
[206] | 2070 | if NbDim==2 %2D case
|
---|
[204] | 2071 | [X,Y]=meshgrid(coord_x_proj,coord_y_proj);%grid in the new coordinates
|
---|
| 2072 | XIMA=ObjectData.Coord(1,1)+(X)*cos(Phi)-Y*sin(Phi);%corresponding coordinates in the original image
|
---|
| 2073 | YIMA=ObjectData.Coord(1,2)+(X)*sin(Phi)+Y*cos(Phi);
|
---|
| 2074 | XIMA=(XIMA-minAX)/DXinit+1;% image index along x
|
---|
| 2075 | YIMA=(-YIMA+maxAY)/DYinit+1;% image index along y
|
---|
| 2076 | XIMA=reshape(round(XIMA),1,npX*npY);%indices reorganized in 'line'
|
---|
| 2077 | YIMA=reshape(round(YIMA),1,npX*npY);
|
---|
| 2078 | flagin=XIMA>=1 & XIMA<=DimValue(2) & YIMA >=1 & YIMA<=DimValue(1);%flagin=1 inside the original image
|
---|
| 2079 | if isequal(ObjectData.ProjMode,'filter')
|
---|
| 2080 | npx_filter=ceil(abs(DX/DAX));
|
---|
| 2081 | npy_filter=ceil(abs(DY/DAY));
|
---|
| 2082 | Mfilter=ones(npy_filter,npx_filter)/(npx_filter*npy_filter);
|
---|
| 2083 | test_filter=1;
|
---|
| 2084 | else
|
---|
| 2085 | test_filter=0;
|
---|
| 2086 | end
|
---|
[206] | 2087 | eval(['ProjData.' AYName '=[coord_y_proj(1) coord_y_proj(end)];']) %record the new (projected ) y coordinates
|
---|
| 2088 | eval(['ProjData.' AXName '=[coord_x_proj(1) coord_x_proj(end)];']) %record the new (projected ) x coordinates
|
---|
[204] | 2089 | for ivar=VarIndex
|
---|
[206] | 2090 | VarName=FieldData.ListVarName{ivar};
|
---|
| 2091 | if test_interp(1) || test_interp(2)%interpolate on a regular grid
|
---|
| 2092 | eval(['ProjData.' VarName '=interp2(Coord{2},Coord{1},FieldData.' VarName ',Coord_x,Coord_y'');']) %TO TEST
|
---|
[204] | 2093 | end
|
---|
| 2094 | %filter the field (image) if option 'filter' is used
|
---|
| 2095 | if test_filter
|
---|
| 2096 | Aclass=class(FieldData.A);
|
---|
[494] | 2097 | ProjData.(VarName)=filter2(Mfilter,FieldData.(VarName),'valid');
|
---|
[204] | 2098 | if ~isequal(Aclass,'double')
|
---|
[494] | 2099 | ProjData.(VarName)=Aclass(FieldData.(VarName));%revert to integer values
|
---|
[204] | 2100 | end
|
---|
| 2101 | end
|
---|
| 2102 | eval(['vec_A=reshape(FieldData.' VarName ',[],nbcolor);'])%put the original image in line
|
---|
[206] | 2103 | %ind_in=find(flagin);
|
---|
[204] | 2104 | ind_out=find(~flagin);
|
---|
| 2105 | ICOMB=(XIMA-1)*DimValue(1)+YIMA;
|
---|
| 2106 | ICOMB=ICOMB(flagin);%index corresponding to XIMA and YIMA in the aligned original image vec_A
|
---|
[206] | 2107 | vec_B(flagin,1:nbcolor)=vec_A(ICOMB,:);
|
---|
[204] | 2108 | for icolor=1:nbcolor
|
---|
| 2109 | vec_B(ind_out,icolor)=zeros(size(ind_out));
|
---|
| 2110 | end
|
---|
[206] | 2111 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 2112 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
| 2113 | if isfield(FieldData,'VarAttribute')&&length(FieldData.VarAttribute)>=ivar
|
---|
[204] | 2114 | ProjData.VarAttribute{length(ProjData.ListVarName)+nbcoord}=FieldData.VarAttribute{ivar};
|
---|
| 2115 | end
|
---|
| 2116 | eval(['ProjData.' VarName '=reshape(vec_B,npY,npX,nbcolor);']);
|
---|
| 2117 | end
|
---|
| 2118 | ProjData.FF=reshape(~flagin,npY,npX);%false flag A FAIRE: tenir compte d'un flga antérieur
|
---|
| 2119 | ProjData.ListVarName=[ProjData.ListVarName 'FF'];
|
---|
[206] | 2120 | ProjData.VarDimName=[ProjData.VarDimName {DimCell}];
|
---|
[204] | 2121 | ProjData.VarAttribute{length(ProjData.ListVarName)}.Role='errorflag';
|
---|
| 2122 | else %3D case
|
---|
[206] | 2123 | if ~testangle
|
---|
| 2124 | % unstructured z coordinate
|
---|
[204] | 2125 | test_sup=(Coord{1}>=ObjectData.Coord(1,3));
|
---|
| 2126 | iz_sup=find(test_sup);
|
---|
| 2127 | iz=iz_sup(1);
|
---|
| 2128 | if iz>=1 & iz<=npz
|
---|
| 2129 | %ProjData.ListDimName=[ProjData.ListDimName ListDimName(2:end)];
|
---|
| 2130 | %ProjData.DimValue=[ProjData.DimValue npY npX];
|
---|
| 2131 | for ivar=VarIndex
|
---|
| 2132 | VarName=FieldData.ListVarName{ivar};
|
---|
| 2133 | ProjData.ListVarName=[ProjData.ListVarName VarName];
|
---|
| 2134 | ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; %reproduce the variable attributes
|
---|
| 2135 | eval(['ProjData.' VarName '=squeeze(FieldData.' VarName '(iz,:,:));'])% select the z index iz
|
---|
| 2136 | %TODO : do a vertical average for a thick plane
|
---|
| 2137 | if test_interp(2) || test_interp(3)
|
---|
| 2138 | eval(['ProjData.' VarName '=interp2(Coord{3},Coord{2},ProjData.' VarName ',Coord_x,Coord_y'');'])
|
---|
| 2139 | end
|
---|
| 2140 | end
|
---|
| 2141 | end
|
---|
| 2142 | else
|
---|
| 2143 | errormsg='projection of structured coordinates on oblique plane not yet implemented';
|
---|
| 2144 | %TODO: use interp3
|
---|
| 2145 | return
|
---|
| 2146 | end
|
---|
| 2147 | end
|
---|
| 2148 | end
|
---|
| 2149 | end
|
---|
[206] | 2150 |
|
---|
| 2151 | %% projection of velocity components in the rotated coordinates
|
---|
| 2152 | if testangle
|
---|
[204] | 2153 | if isempty(ivar_V)
|
---|
| 2154 | msgbox_uvmat('ERROR','v velocity component missing in proj_field.m')
|
---|
| 2155 | return
|
---|
| 2156 | end
|
---|
| 2157 | UName=FieldData.ListVarName{ivar_U};
|
---|
| 2158 | VName=FieldData.ListVarName{ivar_V};
|
---|
| 2159 | eval(['ProjData.' UName '=cos(Phi)*ProjData.' UName '+ sin(Phi)*ProjData.' VName ';'])
|
---|
| 2160 | eval(['ProjData.' VName '=cos(Theta)*(-sin(Phi)*ProjData.' UName '+ cos(Phi)*ProjData.' VName ');'])
|
---|
| 2161 | if ~isempty(ivar_W)
|
---|
| 2162 | WName=FieldData.ListVarName{ivar_W};
|
---|
| 2163 | eval(['ProjData.' VName '=ProjData.' VName '+ ProjData.' WName '*sin(Theta);'])%
|
---|
| 2164 | eval(['ProjData.' WName '=NormVec_X*ProjData.' UName '+ NormVec_Y*ProjData.' VName '+ NormVec_Z* ProjData.' WName ';']);
|
---|
| 2165 | end
|
---|
| 2166 | if ~isequal(Psi,0)
|
---|
| 2167 | eval(['ProjData.' UName '=cos(Psi)* ProjData.' UName '- sin(Psi)*ProjData.' VName ';']);
|
---|
| 2168 | eval(['ProjData.' VName '=sin(Psi)* ProjData.' UName '+ cos(Psi)*ProjData.' VName ';']);
|
---|
| 2169 | end
|
---|
| 2170 | end
|
---|
| 2171 | end
|
---|
| 2172 |
|
---|
[206] | 2173 | %------------------------------------------------------------------------
|
---|
| 2174 | %--- transfer the global attributes
|
---|
[204] | 2175 | function [ProjData,errormsg]=proj_heading(FieldData,ObjectData)
|
---|
[206] | 2176 | %------------------------------------------------------------------------
|
---|
[204] | 2177 | ProjData=[];%default
|
---|
[206] | 2178 | errormsg='';%default
|
---|
| 2179 |
|
---|
| 2180 | %% transfer error
|
---|
| 2181 | if isfield(FieldData,'Txt')
|
---|
| 2182 | errormsg=FieldData.Txt; %transmit erreur message
|
---|
| 2183 | return;
|
---|
| 2184 | end
|
---|
| 2185 |
|
---|
| 2186 | %% transfer global attributes
|
---|
[204] | 2187 | if ~isfield(FieldData,'ListGlobalAttribute')
|
---|
| 2188 | ProjData.ListGlobalAttribute={};
|
---|
| 2189 | else
|
---|
| 2190 | ProjData.ListGlobalAttribute=FieldData.ListGlobalAttribute;
|
---|
| 2191 | end
|
---|
| 2192 | for iattr=1:length(ProjData.ListGlobalAttribute)
|
---|
| 2193 | AttrName=ProjData.ListGlobalAttribute{iattr};
|
---|
| 2194 | if isfield(FieldData,AttrName)
|
---|
[542] | 2195 | ProjData.(AttrName)=FieldData.(AttrName);
|
---|
[204] | 2196 | end
|
---|
| 2197 | end
|
---|
[206] | 2198 |
|
---|
| 2199 | %% transfer coordinate unit
|
---|
[204] | 2200 | if isfield(FieldData,'CoordUnit')
|
---|
[379] | 2201 | if isfield(ObjectData,'CoordUnit') && ~strcmp(FieldData.CoordUnit,ObjectData.CoordUnit)
|
---|
| 2202 | errormsg=[ObjectData.Type ' in ' ObjectData.CoordUnit ' coordinates, while field in ' FieldData.CoordUnit ];
|
---|
[204] | 2203 | return
|
---|
| 2204 | else
|
---|
| 2205 | ProjData.CoordUnit=FieldData.CoordUnit;
|
---|
| 2206 | end
|
---|
| 2207 | end
|
---|
| 2208 |
|
---|
[206] | 2209 | %% store the properties of the projection object
|
---|
[379] | 2210 | ListObject={'Type','ProjMode','RangeX','RangeY','RangeZ','Phi','Theta','Psi','Coord'};
|
---|
[204] | 2211 | for ilist=1:length(ListObject)
|
---|
| 2212 | if isfield(ObjectData,ListObject{ilist})
|
---|
[542] | 2213 | val=ObjectData.(ListObject{ilist});
|
---|
[204] | 2214 | if ~isempty(val)
|
---|
[542] | 2215 | ProjData.(['Object' ListObject{ilist}])=val;
|
---|
[204] | 2216 | ProjData.ListGlobalAttribute=[ProjData.ListGlobalAttribute {['Object' ListObject{ilist}]}];
|
---|
| 2217 | end
|
---|
| 2218 | end
|
---|
| 2219 | end
|
---|
[542] | 2220 |
|
---|