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plot_object

PURPOSE ^

'plot_object': draws a projection object (points, line, plane...)

SYNOPSIS ^

function [hh]=plot_object(ObjectDataIn,ProjObject,hplot,col)

DESCRIPTION ^

'plot_object': draws a projection object (points, line, plane...)
-------------------------------------------------------------------
 function [ObjectData_out,hh]=plot_object(ObjectData,hplot,col)

OUTPUT
             hh: handles of the graphic object (core part)

INPUT:

 ObjectDataIn: structure representing the object properties:
        .Style : style of projection object
        .Coord: set of coordinates defining the object position;
        .ProjMode=type of projection ;
       .ProjAngle=angle of projection;
       .DX,.DY,.DZ=increments;
       .YMax,YMin: min and max Y
 ProjObject: projection object corresponding to the current plot (e. g. plane) 
 hplot: handle of the object plot to modify or if it is an axis, the axis
            where the object must be plotted, or if it is a figure the plotting figure 
 col: color of the plot, e;g; 'm', 'b' ..;

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 %'plot_object': draws a projection object (points, line, plane...)
0002 %-------------------------------------------------------------------
0003 % function [ObjectData_out,hh]=plot_object(ObjectData,hplot,col)
0004 %
0005 %OUTPUT
0006 %             hh: handles of the graphic object (core part)
0007 %
0008 %INPUT:
0009 %
0010 % ObjectDataIn: structure representing the object properties:
0011 %        .Style : style of projection object
0012 %        .Coord: set of coordinates defining the object position;
0013 %        .ProjMode=type of projection ;
0014 %       .ProjAngle=angle of projection;
0015 %       .DX,.DY,.DZ=increments;
0016 %       .YMax,YMin: min and max Y
0017 % ProjObject: projection object corresponding to the current plot (e. g. plane)
0018 % hplot: handle of the object plot to modify or if it is an axis, the axis
0019 %            where the object must be plotted, or if it is a figure the plotting figure
0020 % col: color of the plot, e;g; 'm', 'b' ..;
0021 
0022 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0023 %  Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
0024 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0025 %     This file is part of the toolbox UVMAT.
0026 %
0027 %     UVMAT is free software; you can redistribute it and/or modify
0028 %     it under the terms of the GNU General Public License as published by
0029 %     the Free Software Foundation; either version 2 of the License, or
0030 %     (at your option) any later version.
0031 %
0032 %     UVMAT is distributed in the hope that it will be useful,
0033 %     but WITHOUT ANY WARRANTY; without even the implied warranty of
0034 %     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0035 %     GNU General Public License (file UVMAT/COPYING.txt) for more details.
0036 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0037 
0038 function [hh]=plot_object(ObjectDataIn,ProjObject,hplot,col)
0039 hh=[];%default output
0040 if isequal(ProjObject,ObjectDataIn)% object representation does not appear in its own projection plot
0041     return
0042 end
0043 if ~isfield(ProjObject,'Style') 
0044     ObjectData=ObjectDataIn;
0045 elseif isequal(ProjObject.Style,'plane')
0046     ObjectData=ObjectDataIn;% TODO: modify take into account rotation of axis
0047 else
0048     return % no object representation yet available
0049 end
0050 if ~isfield(ObjectData,'Style')|isempty(ObjectData.Style)|~ischar(ObjectData.Style)
0051     warndlg_uvmat('undefined ObjectData.Style in plot_object.m','ERROR')
0052     return
0053 end
0054 if ~isfield(ObjectData,'Style')|isempty(ObjectData.Style)|~ischar(ObjectData.Style)
0055     warndlg_uvmat('undefined ObjectData.Style in plot_object.m','ERROR')
0056     return
0057 end
0058 XMin=0;%default
0059 XMax=0;
0060 YMin=0;
0061 YMax=0;
0062 ZMin=0;
0063 ZMax=0;
0064 
0065 %determine the plotting axes (with handle 'haxes')
0066 test_newobj=1;
0067 if ishandle(hplot)
0068     if isequal(get(hplot,'Tag'),'proj_object')  
0069         test_newobj=0;
0070         haxes=get(hplot,'parent');
0071     elseif isequal(get(hplot,'Type'),'axes')
0072         axes(hplot)
0073         haxes=hplot;
0074     elseif isequal(get(hplot,'Type'),'figure')
0075         figure(hplot);%set the input figure as the current one
0076         haxes=findobj(hplot,'Type','axes');%look for axes in the figure
0077         haxes=haxes(1);
0078         axes(haxes); %set the first found axis as the current one
0079     else
0080         figure; %create new figure
0081         hplot=axes;%create new axes
0082         haxes=hplot;
0083     end
0084 else
0085     figure; %create new figure
0086     hplot=axes;%create new axes
0087     haxes=hplot;
0088 end
0089 
0090 %default input parameters
0091 if ~isfield(ObjectData,'ProjMode')|isempty(ObjectData.ProjMode)
0092      ObjectData.ProjMode='projection';%default
0093 end
0094 if ~isfield(ObjectData,'Coord')|isempty(ObjectData.Coord)
0095      ObjectData.Coord=[0 0 0];%default
0096 end
0097 if ~isfield(ObjectData,'Phi')|isempty(ObjectData.Phi)
0098      ObjectData.Phi=0;%default
0099 end
0100 if ~isfield(ObjectData,'Range')
0101     ObjectData.Range(1,1)=0; %edfault
0102 end
0103 if size(ObjectData.Range,2)>=2
0104     YMax=ObjectData.Range(1,2);%default
0105 end
0106 if size(ObjectData.Range,2)>=2 & size(ObjectData.Range,1)>=2
0107     YMin=ObjectData.Range(2,2);
0108 else
0109     YMin=0;
0110 end
0111 XMax=ObjectData.Range(1,1);
0112 if size(ObjectData.Range,1)>=2 
0113     XMin=ObjectData.Range(2,1);
0114 end
0115 if isfield(ObjectData,'RangeX')
0116    XMax=max(ObjectData.RangeX);
0117    XMin=min(ObjectData.RangeX);
0118 end
0119 if isfield(ObjectData,'RangeY')
0120    YMax=max(ObjectData.RangeY);
0121    YMin=min(ObjectData.RangeY);
0122 end
0123 if isfield(ObjectData,'RangeZ')
0124    ZMax=max(ObjectData.RangeZ);
0125    ZMin=min(ObjectData.RangeZ);
0126 end
0127 if isequal(ObjectData.Style,'points')&isequal(ObjectData.ProjMode,'projection')
0128     YMax=max(XMax,YMax);
0129     YMax=max(YMax,ZMax);
0130 elseif isequal(ObjectData.Style,'rectangle')|isequal(ObjectData.Style,'ellipse')|isequal(ObjectData.Style,'volume')
0131     if  isequal(YMax,0)
0132         ylim=get(haxes,'YLim');
0133         YMax=(ylim(2)-ylim(1))/100;
0134     end
0135     if isequal(XMax,0)
0136         XMax=YMax;%default
0137     end
0138 elseif isequal(ObjectData.Style,'plane')
0139    if  isequal(XMax,0)
0140         xlim=get(haxes,'XLim');
0141         XMax=xlim(2);
0142    end
0143    if  isequal(YMax,0)
0144         ylim=get(haxes,'YLim');
0145         YMax=ylim(2);
0146    end
0147 end
0148 sizcoord=size(ObjectData.Coord);
0149 
0150 %determine the coordinates xline, yline,xsup,xinf, yinf,ysup determining the new object plot
0151 test_line= isequal(ObjectData.Style,'points')|isequal(ObjectData.Style,'line')|isequal(ObjectData.Style,'polyline')|...
0152     isequal(ObjectData.Style,'polygon')| isequal(ObjectData.Style,'plane')| isequal(ObjectData.Style,'volume');
0153 test_patch=isequal(ObjectData.ProjMode,'inside')||isequal(ObjectData.ProjMode,'outside')||isequal(ObjectData.Style,'volume')...
0154     ||isequal(ObjectData.ProjMode,'mask_inside')||isequal(ObjectData.ProjMode,'mask_outside');
0155 if test_line
0156     xline=ObjectData.Coord(:,1);
0157     yline=ObjectData.Coord(:,2);
0158     if isequal(ObjectData.Style,'polygon')
0159         xline=[xline; ObjectData.Coord(1,1)];%closing the line
0160         yline=[yline; ObjectData.Coord(1,2)];
0161     elseif isequal(ObjectData.Style,'plane')| isequal(ObjectData.Style,'volume') 
0162         phi=ObjectData.Phi*pi/180;%angle in radians
0163         Xend_x=xline(1)+XMax*cos(phi);
0164         Xend_y=yline(1)+XMax*sin(phi);
0165         Xbeg_x=xline(1)+XMin*cos(phi);
0166         Xbeg_y=yline(1)+XMin*sin(phi);
0167         Yend_x=xline(1)-YMax*sin(phi);
0168         Yend_y=yline(1)+YMax*cos(phi);
0169         Ybeg_x=xline(1)-YMin*sin(phi);
0170         Ybeg_y=yline(1)+YMin*cos(phi);
0171         xline=[Xbeg_x Xend_x NaN Ybeg_x Yend_x];
0172         yline=[Xbeg_y Xend_y NaN Ybeg_y Yend_y];
0173     end
0174     SubLineStyle='none';%default
0175     if isfield(ObjectData,'ProjMode')
0176         if isequal(ObjectData.ProjMode,'projection')
0177             SubLineStyle='--'; %range of projection marked by dash
0178             if isfield (ObjectData,'DX')
0179                rmfield(ObjectData,'DX');
0180             end
0181             if isfield (ObjectData,'DY')
0182                rmfield(ObjectData,'DY');
0183             end
0184         elseif isequal(ObjectData.ProjMode,'filter')
0185             SubLineStyle=':';%range of projection not visible
0186         end
0187     end 
0188     if isequal(ObjectData.Style,'line')|isequal(ObjectData.Style,'polyline')|isequal(ObjectData.Style,'polygon')
0189         if length(xline)<2
0190             theta=0;
0191         else
0192             theta=angle(diff(xline)+i*diff(yline));
0193             theta(length(xline))=theta(length(xline)-1);
0194         end
0195         xsup(1)=xline(1)+YMax*sin(theta(1));
0196         xinf(1)=xline(1)-YMax*sin(theta(1));
0197         ysup(1)=yline(1)-YMax*cos(theta(1));
0198         yinf(1)=yline(1)+YMax*cos(theta(1));
0199         for ip=2:length(xline)
0200             xsup(ip)=xline(ip)+YMax*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
0201             xinf(ip)=xline(ip)-YMax*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
0202             ysup(ip)=yline(ip)-YMax*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
0203             yinf(ip)=yline(ip)+YMax*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2);
0204         end
0205     end
0206 end
0207 
0208 %shading image
0209 if test_patch
0210     npMx=512;
0211     npMy=512;  
0212     flag=zeros(npMy,npMx);
0213     if isequal(ObjectData.Style,'ellipse')
0214         XimaMin=ObjectData.Coord(1,1)-XMax;
0215         XimaMax=ObjectData.Coord(1,1)+XMax;
0216         YimaMin=ObjectData.Coord(1,2)-YMax;
0217         YimaMax=ObjectData.Coord(1,2)+YMax; 
0218         xlim=[1.2*XimaMin-0.2*XimaMax 1.2*XimaMax-0.2*XimaMin];%create an image around the ellipse
0219         ylim=[1.2*YimaMin-0.2*YimaMax 1.2*YimaMax-0.2*YimaMin];
0220         scale_x=2*1.4*XMax/npMx;
0221         scale_y=2*1.4*YMax/npMy;
0222         xi=[0.5:npMx-0.5]*scale_x+xlim(1);
0223         yi=[0.5:npMy-0.5]*scale_y+ylim(1);
0224         [Xi,Yi]=meshgrid(xi,yi);
0225         X2Max=XMax*XMax;
0226         Y2Max=YMax*YMax;
0227         distX=(Xi-ObjectData.Coord(1,1));
0228         distY=(Yi-ObjectData.Coord(1,2));
0229         flag=(distX.*distX/X2Max+distY.*distY/Y2Max)<1;
0230     elseif isequal(ObjectData.Style,'rectangle')|isequal(ObjectData.Style,'volume')
0231         XimaMin=ObjectData.Coord(1,1)-XMax;
0232         XimaMax=ObjectData.Coord(1,1)+XMax;
0233         YimaMin=ObjectData.Coord(1,2)-YMax;
0234         YimaMax=ObjectData.Coord(1,2)+YMax; 
0235         xlim=[1.2*XimaMin-0.2*XimaMax 1.2*XimaMax-0.2*XimaMin];%create an image around the ellipse
0236         ylim=[1.2*YimaMin-0.2*YimaMax 1.2*YimaMax-0.2*YimaMin];
0237         scale_x=2*1.4*XMax/npMx;
0238         scale_y=2*1.4*YMax/npMy;
0239         xi=[0.5:npMx-0.5]*scale_x+xlim(1);
0240         yi=[0.5:npMy-0.5]*scale_y+ylim(1);
0241         [Xi,Yi]=meshgrid(xi,yi);
0242         distX=abs(Xi-ObjectData.Coord(1,1));
0243         distY=abs(Yi-ObjectData.Coord(1,2));
0244         flag=distX<XMax & distY< YMax;
0245     elseif isequal(ObjectData.Style,'polygon')
0246         XimaMin=min(ObjectData.Coord(:,1));
0247         XimaMax=max(ObjectData.Coord(:,1));
0248         YimaMin=min(ObjectData.Coord(:,2));
0249         YimaMax=max(ObjectData.Coord(:,2)); 
0250         xlim=[1.2*XimaMin-0.2*XimaMax 1.2*XimaMax-0.2*XimaMin];
0251         ylim=[1.2*YimaMin-0.2*YimaMax 1.2*YimaMax-0.2*YimaMin];
0252         [Xlim,Ylim]=meshgrid(linspace(xlim(1),xlim(2),npMx),linspace(ylim(1),ylim(2),npMy));
0253         %flag=roipoly(xlim,ylim,flag,ObjectData.Coord(:,1),ObjectData.Coord(:,2));%=1 inside the polygon, 0 outsid
0254         flag=inpolygon(Xlim,Ylim,ObjectData.Coord(:,1),ObjectData.Coord(:,2));%=1 inside the polygon, 0 outsid
0255     end 
0256     if isequal(ObjectData.ProjMode,'outside')||isequal(ObjectData.ProjMode,'mask_outside')
0257         flag=~flag;
0258     end
0259     imflag=zeros(npMx,npMy,3);
0260     imflag(:,:,3)=flag; % blue color
0261     if isequal(col,'m')
0262          imflag(:,:,1)=flag; % magenta color
0263     end
0264     dx=(xlim(2)-xlim(1))/npMx;
0265     dy=(ylim(2)-ylim(1))/npMy;
0266 end
0267 
0268 PlotData=[];%default
0269 %MODIFY AN EXISTING OBJECT PLOT
0270 if test_newobj==0;
0271     hh=hplot;
0272     PlotData=get(hplot,'UserData');            
0273     if test_line
0274         set(hplot,'XData',xline)
0275         set(hplot,'YData',yline)
0276     %modify subobjects
0277         if isfield(PlotData,'SubObject') 
0278            if length(PlotData.SubObject)==2 && ~isequal(ObjectData.Style,'points')&& ~isequal(ObjectData.Style,'plane');
0279                 set(PlotData.SubObject(1),'XData',xinf);
0280                 set(PlotData.SubObject(1),'YData',yinf);
0281                 set(PlotData.SubObject(2),'XData',xsup);
0282                 set(PlotData.SubObject(2),'YData',ysup);
0283            elseif isequal(ObjectData.Style,'points')&& ~isequal(YMax,0)
0284                for ipt=1:min(length(PlotData.SubObject),size(ObjectData.Coord,1))
0285                     set(PlotData.SubObject(ipt),'Position',[ObjectData.Coord(ipt,1)-YMax ObjectData.Coord(ipt,2)-YMax 2*YMax 2*YMax])
0286                end
0287                %complement missing points
0288                if size(ObjectData.Coord,1)>length(PlotData.SubObject)
0289                    for ipt=length(PlotData.SubObject)+1:size(ObjectData.Coord,1)
0290                      PlotData.SubObject(ipt)=rectangle('Curvature',[1 1],...
0291                   'Position',[ObjectData.Coord(ipt,1)-YMax ObjectData.Coord(ipt,2)-YMax 2*YMax 2*YMax],'EdgeColor',col,...
0292                   'LineStyle',SubLineStyle,'Tag','proj_object');
0293                    end
0294                end                                         
0295            end
0296         end
0297         if isfield(PlotData,'DeformPoint')
0298            for ipt=1:length(PlotData.DeformPoint)
0299                if ishandle(PlotData.DeformPoint(ipt))
0300                    if length(xline)>=ipt &   length(yline)>=ipt    
0301                         set(PlotData.DeformPoint(ipt),'XData',xline(ipt),'YData',yline(ipt));
0302                     end
0303                end
0304            end
0305            if length(xline)>length(PlotData.DeformPoint)
0306                for ipt=length(PlotData.DeformPoint)+1:length(xline)
0307                     PlotData.DeformPoint(ipt)=line(xline(ipt),yline(ipt),'Color',col,'LineStyle','.','Tag','DeformPoint',...
0308                         'SelectionHighlight','off','UserData',hplot);
0309                end
0310                set(hplot,'UserData',PlotData)
0311            end
0312         end
0313     elseif isequal(ObjectData.Style,'rectangle')|isequal(ObjectData.Style,'ellipse')
0314         set(hplot,'Position',[ObjectData.Coord(1,1)-XMax ObjectData.Coord(1,2)-YMax 2*XMax 2*YMax])          
0315     end
0316     if test_patch 
0317         for iobj=1:length(PlotData.SubObject)
0318             objtype=get(PlotData.SubObject(iobj),'Type');
0319             if isequal(objtype,'image')
0320                 set(PlotData.SubObject(iobj),'CData',imflag,'AlphaData',(flag)*0.2)
0321                 set(PlotData.SubObject(iobj),'XData',[xlim(1)+dx/2 xlim(2)-dx/2])
0322                 set(PlotData.SubObject(iobj),'YData',[ylim(1)+dy/2 ylim(2)-dy/2])
0323             end
0324         end
0325     end
0326 end
0327 
0328 %create the object
0329 if test_newobj
0330     axes(haxes)
0331     hother=findobj('Tag','proj_object');%find all the proj objects
0332     for iobj=1:length(hother)
0333         if isequal(get(hother(iobj),'Type'),'rectangle')|isequal(get(hother(iobj),'Type'),'patch')
0334             set(hother(iobj),'EdgeColor','b')
0335             if isequal(get(hother(iobj),'FaceColor'),'m')
0336                 set(hother(iobj),'FaceColor','b')
0337             end
0338         elseif isequal(get(hother(iobj),'Type'),'image')
0339                Acolor=get(hother(iobj),'CData');
0340                Acolor(:,:,1)=zeros(size(Acolor,1),size(Acolor,2));
0341                set(hother(iobj),'CData',Acolor);
0342         else
0343              set(hother(iobj),'Color','b')
0344         end
0345         set(hother(iobj),'Selected','off')
0346     end
0347     hother=findobj('Tag','DeformPoint');
0348     set(hother,'Color','b');
0349     set(hother,'Selected','off')  
0350     if isequal(ObjectData.Style,'points')
0351         hh=line(ObjectData.Coord(:,1),ObjectData.Coord(:,2),'Color',col,'LineStyle','.','Marker','+');
0352         for ipt=1:length(xline)
0353               PlotData.DeformPoint(ipt)=line(ObjectData.Coord(ipt,1),ObjectData.Coord(ipt,2),'Color',...
0354                   col,'LineStyle','.','SelectionHighlight','off','UserData',hh,'Tag','DeformPoint');
0355               %create circle around each point
0356               if ~isequal(YMax,0)
0357                  PlotData.SubObject(ipt)=rectangle('Curvature',[1 1],...
0358                   'Position',[ObjectData.Coord(ipt,1)-YMax ObjectData.Coord(ipt,2)-YMax 2*YMax 2*YMax],'EdgeColor',col,...
0359                   'LineStyle',SubLineStyle,'Tag','proj_object');
0360               end
0361         end
0362     elseif  isequal(ObjectData.Style,'line')|isequal(ObjectData.Style,'polyline')|...        
0363           isequal(ObjectData.Style,'polygon') |isequal(ObjectData.Style,'plane')|isequal(ObjectData.Style,'volume')%  (isequal(ObjectData.Style,'polygon') & ~test_patch) |isequal(ObjectData.Style,'plane')
0364         hh=line(xline,yline,'Color',col);
0365         if ~isequal(ObjectData.Style,'plane')& ~isequal(ObjectData.Style,'volume')
0366             for ipt=1:sizcoord(1)
0367                 PlotData.DeformPoint(ipt)=line(ObjectData.Coord(ipt,1),ObjectData.Coord(ipt,2),'Color',...
0368                       col,'LineStyle','none','Marker','.','Tag','DeformPoint','SelectionHighlight','off','UserData',hh);
0369             end
0370             PlotData.SubObject(1)=line(xinf,yinf,'Color',col,'LineStyle',SubLineStyle,'Tag','proj_object');%draw sub-lines
0371             PlotData.SubObject(2)=line(xsup,ysup,'Color',col,'LineStyle',SubLineStyle,'Tag','proj_object');
0372         end
0373     
0374     elseif isequal(ObjectData.Style,'rectangle')
0375         hh=rectangle('Position',[ObjectData.Coord(1,1)-XMax ObjectData.Coord(1,2)-YMax 2*XMax 2*YMax],'EdgeColor',col);   
0376     elseif isequal(ObjectData.Style,'ellipse')
0377         hh=rectangle('Curvature',[1 1],'Position',[ObjectData.Coord(1,1)-XMax ObjectData.Coord(1,2)-YMax 2*XMax 2*YMax],'EdgeColor',col);
0378     else
0379         warndlg_uvmat('unknown ObjectData.Style in plot_object.m','ERROR')
0380         return
0381     end
0382     set(hh,'Tag','proj_object')
0383     %set(hh,'UserData',ObjectData)%
0384 %         hh=hplot;
0385 %     set(hh,'DeleteFcn',@deletefcn)
0386 %     if isequal(ObjectData.ProjMode,'inside')
0387 %          if isequal(ObjectData.Style,'ellipse')|isequal(ObjectData.Style,'rectangle')
0388 %             set(hh,'FaceColor',col)
0389 %             set(hh,'EdgeColor',col)
0390 %          end
0391 %     end
0392     if test_patch
0393         hold on
0394         hhh=image([xlim(1)+dx/2 xlim(2)-dx/2],[ylim(1)+dy/2 ylim(2)-dy/2],imflag,'Tag','proj_object','HitTest','off');
0395         set(hhh,'AlphaData',(flag)*0.2)
0396         PlotData.SubObject=hhh;    
0397     end
0398     if isfield(PlotData,'SubObject')
0399         set(PlotData.SubObject,'UserData',hh)%record the parent handles in the SubObjects
0400     end
0401     if isfield(PlotData,'DeformPoint')
0402         for ipt=1:sizcoord(1)
0403             set(PlotData.DeformPoint(ipt),'UserData',hh);%record the parent handles in the SubObjects
0404         end
0405         set(PlotData.DeformPoint,'UserData',hh)%record the parent handles in the SubObjects
0406     end
0407 end
0408 set(hh,'UserData',PlotData)
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