mouse_motion

'mouse_motion': permanently called by mouse motion over a figure (Callback for 'WindowButtonMotionFcn' of the figure)
-----------------------------------------------------------------------

 function mouse_motion(hObject,eventdata,handles)
 activated by the command:
 set(hObject,'WindowButtonMotionFcn',{'mouse_motion',handles})
 where hObject is the handle of the figure

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
  Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
     This file is part of the toolbox UVMAT.
 
     UVMAT is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     UVMAT is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License (file UVMAT/COPYING.txt) for more details.
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

0001 %'mouse_motion': permanently called by mouse motion over a figure (Callback for 'WindowButtonMotionFcn' of the figure)
0002 %-----------------------------------------------------------------------
0003 %
0004 % function mouse_motion(hObject,eventdata,handles)
0005 % activated by the command:
0006 % set(hObject,'WindowButtonMotionFcn',{'mouse_motion',handles})
0007 % where hObject is the handle of the figure
0008 %
0009 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0010 %  Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
0011 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0012 %     This file is part of the toolbox UVMAT.
0013 %
0014 %     UVMAT is free software; you can redistribute it and/or modify
0015 %     it under the terms of the GNU General Public License as published by
0016 %     the Free Software Foundation; either version 2 of the License, or
0017 %     (at your option) any later version.
0018 %
0019 %     UVMAT is distributed in the hope that it will be useful,
0020 %     but WITHOUT ANY WARRANTY; without even the implied warranty of
0021 %     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0022 %     GNU General Public License (file UVMAT/COPYING.txt) for more details.
0023 %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0024 
0025 function mouse_motion(hObject,eventdata,handles)
0026 if ~exist('handles','var')
0027     return
0028 end
0029 if ~isfield(handles, 'mouse_coord')
0030     return
0031 end
0032 if ~ishandle(handles.mouse_coord)
0033     return
0034 end
0035 proj_coord=get(handles.mouse_coord,'String');
0036 choice=get(handles.mouse_coord,'Value');
0037 if ~isempty(proj_coord); proj_coord=proj_coord{choice};else;proj_coord=[];end;
0038 test_create=0;%default
0039 test_edit=0;%default
0040 if isfield(handles,'VOLUME') % mouse_motion not applied to the uvmat figure, no object creation
0041     test_create=get(handles.create,'Value');   
0042 end
0043 test_edit=isfield(handles,'edit') & get(handles.edit,'Value');% edit test for mouse shap: an arrow
0044 test_zoom=isfield(handles,'zoom')& get(handles.zoom,'Value');% edit test for mouse shap: an arrow
0045 
0046 %find the current axe 'haxes' and display the current mouse position or uicontrol tag
0047 text_displ_1='';
0048 text_displ_2='';
0049 text_displ_3='';
0050 text_displ_4='';
0051 
0052 haxes=[];
0053 AxeData=[];%default
0054 mouse=[];
0055 
0056 pointershape='arrow';% default pointer is an arrow
0057 
0058 xy_fig=get(gcbo,'CurrentPoint');% current point of the current figure (gcbo)
0059 hchild=get(gcbo,'Children');%handles of all objects in the current figure
0060 currentfig=gcbo;%store gcbo as variable currentfig
0061 % loop on all the objects in the current figure (selected by the last mouse click)
0062 for ichild=1:length(hchild)
0063     obj_pos=get(hchild(ichild),'Position');%position of the object
0064     if xy_fig(1) >=obj_pos(1) & xy_fig(2) >= obj_pos(2)& xy_fig(1) <=obj_pos(1)+obj_pos(3) & xy_fig(2) <= obj_pos(2)+obj_pos(4);
0065         htype=get(hchild(ichild),'Type');%type of the crrent child
0066         %if the mouse is over an axis, look at the data
0067         if isequal(htype,'axes')
0068             haxes=hchild(ichild);
0069             xy=get(haxes,'CurrentPoint');%xy(1,1),xy(1,2): current x,y positions in axes coordinates
0070             mouse.X=xy(1,1);
0071             mouse.Y=xy(1,2);
0072             u_mouse=[];
0073             v_mouse=[];
0074             w_mouse=[];
0075             A_mouse=[];
0076             c_text=[];
0077             f_text=[];
0078             ff_text=[];     
0079             ivec=[];
0080             AxeData=get(haxes,'UserData');% data attached to the axis
0081              if ~test_edit && ~test_zoom
0082                  pointershape='crosshair';%set pointer with cross shape (default when mouse is over an axis)
0083 %                % pointershape='crosshair';%set pointer with cross shape (default over axis)
0084              end
0085             if isfield(AxeData,'X') & isfield(AxeData,'Y') & isfield(AxeData,'Mesh')% test on the existence of a vector field in the current axis
0086                 if ~isempty(AxeData.Mesh)
0087                     flag_vec=(AxeData.X<(xy(1,1)+AxeData.Mesh/3) & AxeData.X>(xy(1,1)-AxeData.Mesh/3)) & ...%flagx=1 for the vectors with x position selected by the mouse
0088                           (AxeData.Y<(xy(1,2)+AxeData.Mesh/3) & AxeData.Y>(xy(1,2)-AxeData.Mesh/3));%f
0089                     ivec=find(flag_vec);% search the selected vector index ivec
0090                     if length(ivec)>0 
0091                         if ~test_create
0092                             pointershape='arrow'; %mouse indicates  the detection of a vector
0093                         end
0094                         ivec=ivec(1);%choice the first selected vector if several are selected
0095                         mouse.X=AxeData.X(ivec);
0096                         mouse.Y=AxeData.Y(ivec);
0097                         u_mouse=AxeData.U(ivec);%displacement
0098                         v_mouse=AxeData.V(ivec);
0099                         w_mouse=0; %default
0100                         if isfield(AxeData,'W')&length(AxeData.W)>=ivec
0101                             w_text=[',  w=' num2str(AxeData.W(ivec),3)];
0102                         else
0103                             w_text='';
0104                         end
0105                         if ~isfield(AxeData,'CName')
0106                             AxeData.CName='C';%REVOIR
0107                         end
0108                         c_text=[', ' AxeData.CName '=' num2str(AxeData.C(ivec),3)];
0109                         if isfield(AxeData,'F')&length(AxeData.F)>=ivec
0110                             f_text=[',  f=' num2str(AxeData.F(ivec),3)];
0111                         else
0112                             f_text='';
0113                         end
0114                         if isfield(AxeData,'FF')&length(AxeData.FF)>=ivec
0115                             ff_text=[',  ff=' num2str(AxeData.FF(ivec),3)];
0116                         else
0117                             ff_text='';
0118                         end
0119                     end
0120                 end
0121             end
0122             if isfield(AxeData,'ZObject')
0123                 mouse.Z=AxeData.ZObject(1); %generaliser au cas avec angle
0124             end
0125             if isfield(AxeData,'ObjectCoord') & size(AxeData.ObjectCoord,2)==3
0126                 mouse.Z=AxeData.ObjectCoord(1,3); %generaliser au cas avec angle
0127             end
0128             testscal= isfield(AxeData,'A')& isfield(AxeData,'AX')& isfield(AxeData,'AY');%test the existence of an image (or scalar represented by an image)
0129                if testscal
0130                    testscal=~isempty(AxeData.A)&~isempty(AxeData.AX)& ~isempty(AxeData.AY);
0131                end
0132             if testscal%test the existence of an image (or scalar represented by an image)
0133                 nxy=size(AxeData.A);
0134                 MaxAY=max(AxeData.AY(1),AxeData.AY(end));
0135                 MinAY=min(AxeData.AY(1),AxeData.AY(end));
0136                 if (xy(1,1)>AxeData.AX(1))&(xy(1,1)<AxeData.AX(end))&(xy(1,2)<MaxAY)&(xy(1,2)>MinAY)
0137                     indx0=1+round((nxy(2)-1)*(xy(1,1)-AxeData.AX(1))/(AxeData.AX(end)-AxeData.AX(1)));% index x of pixel
0138                     indy0=1+round((nxy(1)-1)*(xy(1,2)-AxeData.AY(1))/(AxeData.AY(end)-AxeData.AY(1)));% index y of pixel
0139                     if indx0>=1 & indx0<=nxy(2) & indy0>=1 & indy0<=nxy(1)
0140                         A_mouse=AxeData.A(indy0,indx0,:);
0141                     end
0142                 end
0143             end
0144             %coordinate transform if proj_coord differs from menu_coord
0145             if isfield(AxeData,'CoordType')
0146                   mouse.CoordType=AxeData.CoordType;
0147             end
0148             if isfield(AxeData,'CoordUnit')
0149                   mouse.CoordUnit=AxeData.CoordUnit;
0150             end
0151             if isfield(mouse,'CoordType') &~isequal(mouse.CoordType,proj_coord)
0152                 huvmat=findobj(allchild(0),'Tag','uvmat');%find the uvmat interface handle
0153                 UvData=get(huvmat,'UserData'); %coord transformed stored in the uvmat interface, updated by file input
0154                 if isfield(AxeData,'CoordType')
0155                     mouse.CoordType=AxeData.CoordType;
0156                 end
0157                 if isfield(AxeData,'dt')
0158                     mouse.dt=AxeData.dt;
0159                 end
0160 %                 if ~isempty(z_mouse)
0161 %                     mouse.Z=z_mouse;
0162 %                 end
0163                 if length(ivec)>0 %& isfield(AxeData,'dt')
0164                       mouse.U=u_mouse; 
0165                       mouse.V=v_mouse;
0166                 end
0167                 mouse=feval(proj_coord,mouse,UvData);%apply transform proj_coord to the position
0168                 if length(ivec)>0%& isfield(AxeData,'dt')
0169                      u_mouse=mouse.U;
0170                      v_mouse=mouse.V;
0171                 end
0172             end  
0173             if isfield(mouse,'CoordType') 
0174                 if isequal(mouse.CoordType,'px')
0175                     mouse.CoordUnit='px';
0176                 end
0177             else
0178                 mouse.CoordUnit='';%default
0179             end      
0180             text_displ_1=['x=' num2str(mouse.X,4) ',y=' num2str(mouse.Y,4)];
0181             if isfield(mouse,'Z')&~isempty(mouse.Z)
0182                 text_displ_1=[text_displ_1 ',z=' num2str(mouse.Z,3)];
0183             end
0184             if isfield(mouse,'CoordUnit')
0185                  text_displ_1=[text_displ_1 ' ' mouse.CoordUnit];
0186             end
0187             if ~isempty(ivec)
0188                 text_displ_4=['vec#=' num2str(ivec)];
0189             end
0190             if ~isempty(u_mouse)
0191                 text_displ_3=['u=' num2str(u_mouse,3) ',v=' num2str(v_mouse,3) w_text ];
0192                 if  isfield(mouse,'CoordUnit')
0193                     if isequal(mouse.CoordUnit,'px')
0194                         text_displ_3=[text_displ_3 '  ' mouse.CoordUnit];
0195                     elseif isfield(AxeData,'TimeUnit') 
0196                         text_displ_3=[text_displ_3 '  ' mouse.CoordUnit '/' AxeData.TimeUnit];
0197                     end
0198                 end
0199                 text_displ_4=[text_displ_4 c_text f_text ff_text];
0200             end
0201            
0202             if ~isempty(A_mouse)
0203                 text_displ_2=['A=' num2str(double(A_mouse)) ',i='  num2str(indx0) ',j=' num2str(indy0)];
0204             end
0205         elseif isequal(get(hchild(ichild),'Visible'),'on')& ~isequal(get(hchild(ichild),'Style'),'frame')
0206             text_displ_1=get(hchild(ichild),'Tag');
0207         end
0208     end
0209 end
0210 set(handles.text_display_1,'String',text_displ_1);
0211 set(handles.text_display_2,'String',text_displ_2);
0212 set(handles.text_display_3,'String',text_displ_3);
0213 set(handles.text_display_4,'String',text_displ_4);
0214 
0215 %%%%%%%%%%%%%%%%%
0216 %create or modify an object
0217 if isfield(AxeData,'CurrentObject') & ishandle(AxeData.CurrentObject) & isfield(AxeData,'Drawing') & ~isequal(AxeData.Drawing,'off')
0218     PlotData=get(AxeData.CurrentObject,'UserData');
0219     huvmat=findobj(allchild(0),'Name','uvmat');%find the uvmat interface handle
0220     if ~isempty(huvmat)
0221         UvData=get(huvmat,'UserData');
0222         if ~isfield(PlotData,'IndexObj')
0223              return
0224         end
0225         ObjectData=UvData.Object{PlotData.IndexObj};
0226         XYData=AxeData.CurrentOrigin;
0227         if isequal(AxeData.Drawing,'create') && isfield(AxeData,'CurrentOrigin') && ~isempty(AxeData.CurrentOrigin)
0228            if isequal(ObjectData.Style,'line')|isequal(ObjectData.Style,'polyline')|isequal(ObjectData.Style,'polygon')|isequal(ObjectData.Style,'points')
0229               xy(1,3)=0;
0230               ObjectData.Coord=[ObjectData.Coord ;xy(1,:)];
0231              % ObjectData.Coord(end,:)=xy(1,:);
0232            elseif isequal(ObjectData.Style,'rectangle')|isequal(ObjectData.Style,'ellipse')|isequal(ObjectData.Style,'volume')
0233               ObjectData.Coord(1,1)=(xy(1,1)+XYData(1))/2;%origin rectangle, x coordinate
0234               ObjectData.Coord(1,2)=(xy(1,2)+XYData(2))/2;
0235               ObjectData.RangeX=abs(xy(1,1)-XYData(1))/2;%rectangle width
0236               ObjectData.RangeY=abs(xy(1,2)-XYData(2))/2;%rectangle height
0237            elseif isequal(ObjectData.Style,'plane') %case of 'plane'
0238                 DX=(xy(1,1)-ObjectData.Coord(1,1));
0239                 DY=(xy(1,2)-ObjectData.Coord(1,2));
0240                 ObjectData.Phi=(angle(DX+i*DY))*180/pi;%rectangle widt
0241                 if isfield(ObjectData,'RangeX')
0242                     XMax=sqrt(DX*DX+DY*DY);
0243                     if XMax>max(ObjectData.RangeX)
0244                         ObjectData.RangeX=[min(ObjectData.RangeX) XMax];
0245                     end
0246                 end
0247            end
0248             plot_object(ObjectData,[],AxeData.CurrentObject,'m');
0249             pointershape='crosshair';
0250         elseif  isequal(AxeData.Drawing,'translate')
0251             DX=xy(1,1)-XYData(1);%translation from initial position
0252             DY=xy(1,2)-XYData(2);
0253             ObjectData.Coord(:,1)=ObjectData.Coord(:,1)+DX;
0254             ObjectData.Coord(:,2)=ObjectData.Coord(:,2)+DY;
0255             plot_object(ObjectData,[],AxeData.CurrentObject,'m');
0256             pointershape='fleur';
0257         elseif  isequal(AxeData.Drawing,'deform')
0258             ind_move=AxeData.CurrentIndex;
0259             ObjectData.Coord(ind_move,1)=xy(1,1);
0260             ObjectData.Coord(ind_move,2)=xy(1,2);
0261             plot_object(ObjectData,[],AxeData.CurrentObject,'m');
0262             pointershape='circle';
0263         end
0264     end
0265 end    
0266 %%%%%%%%%%%%%
0267 %draw a rectangle if no object creation is selected
0268 if ~isempty(haxes) & isfield(AxeData,'Drawing')& isequal(AxeData.Drawing,'zoom')& isfield(AxeData,'CurrentOrigin')...
0269         & isequal(get(gcf,'SelectionType'),'normal')%
0270    xy_rect=AxeData.CurrentOrigin;
0271    if ~isempty(xy_rect) 
0272         rect(1)=min(xy(1,1),xy_rect(1));%origin rectangle, x coordinate
0273         rect(2)=min(xy(1,2),xy_rect(2));%origin rectangle, y coordinate
0274         rect(3)=abs(xy(1,1)-xy_rect(1));%rectangle width
0275         rect(4)=abs(xy(1,2)-xy_rect(2));%rectangle height
0276         if rect(3)>0 & rect(4)>0
0277             if isfield(AxeData,'CurrentRectZoom')& ishandle(AxeData.CurrentRectZoom)
0278                 set(AxeData.CurrentRectZoom,'Position',rect);%update the rectangle position
0279             else
0280                 AxeData.CurrentRectZoom=rectangle('Position',rect,'LineStyle',':','Tag','rect_zoom');
0281                 set(haxes,'UserData',AxeData)
0282             end
0283         end
0284    end
0285 end
0286 if test_zoom
0287     pointershape='arrow';
0288 end
0289 set(currentfig,'Pointer',pointershape);