[514] | 1 | %'find_file_indices': test field structure for input in proj_field and plot_field |
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| 2 | % group the variables into 'fields' with common dimensions |
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| 3 | %------------------------------------------------------------------------ |
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| 4 | % function [CellVarIndex,NbDim,CellVarType,errormsg]=find_field_cells(Data) |
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| 5 | % |
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| 6 | % OUTPUT: |
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| 7 | % CellVaxIndex: cell whose elements are arrays of indices in the list data.ListVarName |
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| 8 | % CellvarIndex{i} represents a set of variables with the same dimensions |
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| 9 | % NbDim: array with the length of CellVarIndex, giving its space dimension |
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| 10 | % CellVarType: cell array of structures with fields |
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| 11 | % .coord_x, y, z: indices (in .ListVarname) of variables representing unstructured coordinates x, y, z |
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| 12 | % .vector_x,_y,_z: indices of variables giving the vector components x, y, z |
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| 13 | % .warnflag: index of warnflag |
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| 14 | % .errorflag: index of error flag |
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| 15 | % .ancillary: indices of ancillary variables |
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| 16 | % .image : B/W image, (behaves like scalar) |
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| 17 | % .color : color image, the last index, which is not a coordinate variable, represent the 3 color components rgb |
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| 18 | % .discrete: like scalar, but set of data points without continuity, represented as dots in a usual plot, instead of continuous lines otherwise |
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| 19 | % .scalar: scalar field (default) |
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| 20 | % .coord: vector of indices of coordinate variables corresponding to matrix dimensions |
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[515] | 21 | % |
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| 22 | % .FieldRequest= 'interp', 'derivatives' indicate whether interpolation or derivatives (tps) is needed to calculate the requested field |
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| 23 | % .FieldNames = cell of fields to calculate from the fied cell |
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| 24 | % |
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[514] | 25 | % errormsg: error message |
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| 26 | % |
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| 27 | % INPUT: |
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| 28 | % Data: structure representing fields, output of check_field_structure |
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| 29 | % .ListVarName: cell array listing the names (cahr strings) of the variables |
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| 30 | % .VarDimName: cell array of cells containing the set of dimension names for each variable of .ListVarName |
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| 31 | % .VarAttribute: cell array of structures containing the variable attributes: |
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| 32 | % .VarAttribute{ilist}.key=value, where ilist is the variable |
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| 33 | % index, key is the name of the attribute, value its value (char string or number) |
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| 34 | % |
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| 35 | % HELP: |
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| 36 | % to get the dimensions of arrays common to the field #icell |
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| 37 | % VarIndex=CellVarIndex{icell}; % list of variable indices |
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| 38 | % DimIndex=Data.VarDimIndex{VarIndex(1)} % list of dimensions for each variable in the cell #icell |
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| 39 | % |
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| 40 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
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| 41 | % Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org. |
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| 42 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
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| 43 | % This file is part of the toolbox UVMAT. |
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| 44 | % |
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| 45 | % UVMAT is free software; you can redistribute it and/or modify |
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| 46 | % it under the terms of the GNU General Public License as published by |
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| 47 | % the Free Software Foundation; either version 2 of the License, or |
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| 48 | % (at your option) any later version. |
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| 49 | % |
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| 50 | % UVMAT is distributed in the hope that it will be useful, |
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| 51 | % but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 52 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 53 | % GNU General Public License (file UVMAT/COPYING.txt) for more details.for input in proj_field and plot_field |
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| 54 | % group the variables into 'fields' with common dimensions |
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| 55 | |
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| 56 | function [CellVarIndex,NbDim,CellVarType,errormsg]=find_field_cells(Data) |
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| 57 | CellVarIndex={}; |
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| 58 | |
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| 59 | CellVarType=[]; |
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| 60 | errormsg=[]; |
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| 61 | nbvar=numel(Data.ListVarName);%number of field variables |
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| 62 | icell=0; |
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| 63 | |
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| 64 | NbDim=[]; |
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| 65 | VarDimIndex=[]; |
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| 66 | VarDimName={}; |
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| 67 | if ~isfield(Data,'VarDimName') |
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| 68 | errormsg='missing .VarDimName'; |
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| 69 | return |
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| 70 | end |
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| 71 | |
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[515] | 72 | %% role of variables and list of requested operations |
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[514] | 73 | Role=num2cell(blanks(nbvar));%initialize a cell array of nbvar blanks |
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[515] | 74 | FieldRequest=regexprep(Role,' ',''); % fieldRequest set to '' by default |
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| 75 | Operation=cell(size(Role)); % fieldRequest set to {} by default |
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| 76 | CheckSub=zeros(size(Role));% =1 for fields to substract |
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[514] | 77 | Role=regexprep(Role,' ','scalar'); % Role set to 'scalar' by default |
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| 78 | if isfield(Data,'VarAttribute') |
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| 79 | for ivar=1:numel(Data.VarAttribute) |
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| 80 | if isfield(Data.VarAttribute{ivar},'Role') |
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| 81 | Role{ivar}=Data.VarAttribute{ivar}.Role; |
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| 82 | end |
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[515] | 83 | if isfield(Data.VarAttribute{ivar},'FieldRequest') |
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| 84 | FieldRequest{ivar}=Data.VarAttribute{ivar}.FieldRequest; |
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| 85 | end |
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| 86 | if isfield(Data.VarAttribute{ivar},'Operation') |
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| 87 | Operation{ivar}=Data.VarAttribute{ivar}.Operation; |
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| 88 | end |
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| 89 | if isfield(Data.VarAttribute{ivar},'CheckSub') |
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| 90 | CheckSub(ivar)=Data.VarAttribute{ivar}.CheckSub; |
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| 91 | end |
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[514] | 92 | end |
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| 93 | end |
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| 94 | |
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| 95 | %% loop on the list of variables, group them by common dimensions |
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[515] | 96 | CellVarType=cell(1,length(CellVarIndex)); |
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[514] | 97 | for ivar=1:nbvar |
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| 98 | if ischar(Data.VarDimName{ivar}) |
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| 99 | Data.VarDimName{ivar}=Data.VarDimName(ivar);%transform char chain into cell |
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| 100 | end |
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| 101 | DimCell=Data.VarDimName{ivar}; %dimensions associated with the variable #ivar |
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| 102 | testnewcell=1; |
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| 103 | for icell_prev=1:numel(CellVarIndex)%detect whether the dimensions of ivar fit with an existing cell |
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| 104 | PrevVarIndex=CellVarIndex{icell_prev};%list of variable indices in cell # icell_prev |
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| 105 | PrevDimCell=Data.VarDimName{PrevVarIndex(1)};%list of corresponding variable names |
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| 106 | if isequal(PrevDimCell,DimCell) |
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| 107 | CellVarIndex{icell_prev}=[CellVarIndex{icell_prev} ivar];% add variable index #ivar to the cell #icell_prev |
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| 108 | testnewcell=0; %existing cell detected |
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| 109 | break |
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| 110 | end |
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| 111 | end |
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| 112 | if testnewcell |
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| 113 | icell=icell+1; |
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| 114 | CellVarIndex{icell}=ivar;%put the current variable index in the new cell |
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[515] | 115 | NbDim(icell)=numel(DimCell);%default |
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| 116 | CellVarType{icell}=[]; |
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[514] | 117 | end |
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[515] | 118 | if ~isempty(FieldRequest{ivar}) |
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| 119 | CellVarType{icell}.FieldRequest=FieldRequest{ivar}; |
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| 120 | end |
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| 121 | if ~isempty(Operation{ivar}) |
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| 122 | CellVarType{icell}.Operation=Operation{ivar}; |
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| 123 | end |
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| 124 | if CheckSub(ivar) |
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| 125 | CellVarType{icell}.CheckSub=1; |
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| 126 | end |
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[514] | 127 | end |
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| 128 | |
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| 129 | %% find dimension variables |
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| 130 | checksinglecell=cellfun(@numel,CellVarIndex)==1 & NbDim==1;% find isolated cells with a single dimension |
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| 131 | ind_dim_var_cell=find(checksinglecell); |
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| 132 | %CoordType(ind_dim_var_cell)='dim_var';% to be used in output |
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[515] | 133 | %VarDimIndex=cell(size(ind_dim_var_cell)); |
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| 134 | VarDimName=cell(size(ind_dim_var_cell)); |
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[514] | 135 | for icoord=1:numel(ind_dim_var_cell) |
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[515] | 136 | VarDimIndex(icoord)=CellVarIndex{ind_dim_var_cell(icoord)}; |
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| 137 | VarDimName{icoord}=Data.VarDimName{VarDimIndex(icoord)}{1}; |
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[514] | 138 | end |
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| 139 | |
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| 140 | %% find the spatial dimensions and vector components |
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| 141 | ListRole={'coord_x','coord_y','coord_z','vector_x','vector_y','vector_z','vector_x_tps','vector_y_tps','warnflag','errorflag',... |
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| 142 | 'ancillary','image','color','discrete','scalar','coord_tps'};% rmq vector_x_tps and vector_y_tps to be replaced by vector_x and vector_y |
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| 143 | % NbDim=zeros(size(CellVarIndex));%default |
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| 144 | |
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| 145 | for ilist=1:numel(ListRole) |
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| 146 | VarType.(ListRole{ilist})=find(strcmp(ListRole{ilist},Role)); |
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| 147 | end |
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| 148 | %look for tps coordinates |
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| 149 | if ~isempty(VarType.coord_tps) |
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| 150 | VarType.subrange_tps=[]; |
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| 151 | VarType.nbsites_tps=[]; |
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| 152 | select=zeros(1,numel(VarType.coord_tps)); |
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| 153 | for ifield=1:numel(VarType.coord_tps) |
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| 154 | DimCell=Data.VarDimName{VarType.coord_tps(ifield)}; |
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| 155 | if numel(DimCell)==3 |
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| 156 | for ivardim=1:numel(Data.VarDimName) |
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| 157 | if strcmp(Data.VarDimName{ivardim},DimCell{3}) |
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| 158 | VarType.nbsites_tps=[VarType.nbsites_tps ivardim]; |
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| 159 | select(ifield)=select(ifield)+1; |
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| 160 | elseif strcmp(Data.VarDimName{ivardim}{1},DimCell{2}) && strcmp(Data.VarDimName{ivardim}{3},DimCell{3}) |
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| 161 | VarType.subrange_tps=[VarType.subrange_tps ivardim]; |
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| 162 | select(ifield)=select(ifield)+1; |
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| 163 | end |
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| 164 | end |
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| 165 | end |
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| 166 | end |
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| 167 | VarType.coord_tps=VarType.coord_tps(select==2); |
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| 168 | VarType.subrange_tps=VarType.subrange_tps(select==2); |
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| 169 | VarType.nbsites_tps=VarType.nbsites_tps(select==2); |
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| 170 | end |
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| 171 | |
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| 172 | index_remove=[]; |
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| 173 | for icell=1:length(CellVarIndex) |
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| 174 | if checksinglecell(icell) |
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| 175 | continue |
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| 176 | end |
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| 177 | VarIndex=CellVarIndex{icell};%set of variable indices with the same dim |
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| 178 | check_remove=0; |
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| 179 | for ifield=1:numel(VarType.coord_tps) |
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| 180 | if isequal(VarIndex,VarType.coord_tps(ifield))||isequal(VarIndex,VarType.subrange_tps(ifield))||isequal(VarIndex,VarType.nbsites_tps(ifield)) |
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| 181 | index_remove=[index_remove icell];% removes Coord_tps as field cell |
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| 182 | check_remove=1; |
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| 183 | end |
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| 184 | end |
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| 185 | |
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| 186 | if ~check_remove |
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| 187 | for ilist=1:numel(ListRole) |
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| 188 | CellVarType{icell}.(ListRole{ilist})=VarIndex(find(strcmp(ListRole{ilist},Role(VarIndex)))); |
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| 189 | end |
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| 190 | DimCell=Data.VarDimName{VarIndex(1)};% list of dimensions for each variable in the cell #icell |
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| 191 | if numel(CellVarType{icell}.coord_x)>1 || numel(CellVarType{icell}.coord_y)>1 || numel(CellVarType{icell}.coord_z)>1 |
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| 192 | errormsg='multiply defined coordinates in the same cell'; |
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| 193 | return |
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| 194 | end |
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| 195 | % case of x cordinate marked as a dimension variable (var name=dimension name) |
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| 196 | if isempty(CellVarType{icell}.coord_x) |
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| 197 | var_dim_index=find(strcmp(DimCell{1},Data.ListVarName(VarIndex))); |
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| 198 | if ~isempty(var_dim_index) |
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| 199 | CellVarType{icell}.coord_x=VarIndex(var_dim_index); |
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| 200 | end |
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| 201 | end |
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| 202 | if numel(CellVarType{icell}.errorflag)>1 |
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| 203 | errormsg='multiply defined error flag in the same cell'; |
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| 204 | return |
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| 205 | end |
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| 206 | if numel(CellVarType{icell}.warnflag)>1 |
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| 207 | errormsg='multiply defined warning flag in the same cell'; |
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| 208 | return |
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| 209 | end |
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| 210 | test_coord=0; |
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| 211 | % look for unstructured coordinates |
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| 212 | if numel(VarIndex)>1 |
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| 213 | if ~isempty(CellVarType{icell}.coord_z) |
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| 214 | NbDim(icell)=3; |
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| 215 | test_coord=1; |
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| 216 | elseif ~isempty(CellVarType{icell}.coord_y) |
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| 217 | NbDim(icell)=2; |
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| 218 | test_coord=1; |
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| 219 | elseif ~isempty(CellVarType{icell}.coord_x) |
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| 220 | NbDim(icell)=1; |
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| 221 | test_coord=1; |
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| 222 | end |
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| 223 | end |
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| 224 | % look for coordinates variables |
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| 225 | coord=zeros(1,numel(DimCell));%default |
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| 226 | % if NbDim(icell)==0 && ~isempty(VarDimName)% no unstructured coordinate found |
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| 227 | if ~test_coord && ~isempty(VarDimName) |
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| 228 | for idim=1:numel(DimCell) %loop on the dimensions of the variables in cell #icell |
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| 229 | ind_coord=find(strcmp(DimCell{idim},VarDimName)); |
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| 230 | if ~isempty(ind_coord) |
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| 231 | coord(idim)=VarDimIndex(ind_coord); |
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| 232 | end |
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| 233 | end |
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| 234 | NbDim(icell)=numel(find(coord)); |
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| 235 | end |
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| 236 | CellVarType{icell}.coord=coord; |
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| 237 | %look for tps data |
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| 238 | if ~isempty(VarType.coord_tps) |
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| 239 | for ilist=1:numel(VarType.coord_tps) |
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| 240 | tps_dimnames=Data.VarDimName{VarType.coord_tps(ilist)}; |
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| 241 | if length(tps_dimnames)==3 && strcmp(tps_dimnames{1},DimCell{1}) && strcmp(tps_dimnames{3},DimCell{2}) |
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| 242 | CellVarIndex{icell}=[CellVarIndex{icell} VarType.coord_tps(ilist) VarType.nbsites_tps(ilist) VarType.subrange_tps(ilist)]; |
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| 243 | CellVarType{icell}.coord_tps=VarType.coord_tps(ilist); |
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| 244 | CellVarType{icell}.nbsites_tps=VarType.nbsites_tps(ilist); |
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| 245 | CellVarType{icell}.subrange_tps=VarType.subrange_tps(ilist); |
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| 246 | if isfield(Data,'ListDimName') |
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| 247 | dim_index=find(strcmp(tps_dimnames{2},Data.ListDimName)); |
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| 248 | NbDim(icell)=Data.DimValue(dim_index); |
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| 249 | else |
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| 250 | NbDim(icell)=size(Data.(Data.ListVarName{VarType.coord_tps(ilist)}),2); |
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| 251 | end |
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| 252 | end |
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| 253 | end |
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| 254 | end |
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| 255 | end |
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| 256 | end |
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| 257 | if ~isempty(index_remove) |
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| 258 | CellVarIndex(index_remove)=[]; |
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| 259 | CellVarType(index_remove)=[]; |
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| 260 | NbDim(index_remove)=[]; |
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| 261 | end |
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