[Master Index] [Index for Toolbox]

subject_editor

(Toolbox/subject_editor.m in BrainStorm 2.0 (Alpha))


Function Synopsis

varargout = subject_editor(action,varargin)

Help Text

SUBJECT_EDITOR - GUI to edit the BrainStorm Subject information, case switchyard
 function varargout = subject_editor(action,varargin)
 R11 Case Switchyard, Creates/Edits a brainstormsubject.mat file
 Invoke as subject_editor('create');
 [FIG,HANDLES] = subject_editor(action) returns the figure and handles

Cross-Reference Information

This function calls
This function is called by

Listing of function C:\BrainStorm_2001\Toolbox\subject_editor.m

function varargout = subject_editor(action,varargin)
%SUBJECT_EDITOR - GUI to edit the BrainStorm Subject information, case switchyard
% function varargout = subject_editor(action,varargin)
% R11 Case Switchyard, Creates/Edits a brainstormsubject.mat file
% Invoke as subject_editor('create');
% [FIG,HANDLES] = subject_editor(action) returns the figure and handles

%<autobegin> ---------------------- 12-Oct-2004 01:12:37 -----------------------
% --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
%
% CATEGORY: GUI and Related
%
% Alphabetical list of external functions (non-Matlab):
%   toolbox\bst_color_scheme.m
%   toolbox\bst_layout.m
%   toolbox\bst_message_window.m
%   toolbox\bst_mriviewer.m
%   toolbox\bst_win_manager.m
%   toolbox\fidufit.m
%   toolbox\file_selection_win.m
%   toolbox\find_brainstorm_files.m
%   toolbox\get_user_directory.m
%   toolbox\makeuswait.m
%   toolbox\mesh2brainstorm.m
%   toolbox\readdfs.m
%   toolbox\readdsgl.m
%   toolbox\subject_editor.m  NOTE: Routine calls itself explicitly
%   toolbox\tess_align_tool.m
%   toolbox\tri2brainstorm.m
%
% Group : Preference data and their calls in this file:
%   Studies = getpref('BrainStorm','Studies',[]);
%
% Application data and their calls in this file:
%   'Comment'
%   'CreateFlag'
%   'DataDir'
%   'TessellationFiles'
%   'TileType'
%   'nFaces'
%   'nVertices'
%   
%   setappdata(TriList,'TileType','T')
%   setappdata(fig,'Comment',Comment)
%   setappdata(fig,'CreateFlag',0)
%   setappdata(fig,'CreateFlag',1);
%   setappdata(fig,'DataDir',DataDir);
%   setappdata(fig,'TessellationFiles',TessFiles);
%   setappdata(fig,'TileType','T')
%   setappdata(fig,'nFaces',nFaces)
%   setappdata(fig,'nVertices',nVertices)
%   setappdata(hf,'TileType','T')
%   
%   DataDir = getappdata(fig,'DataDir');
%   TessFiles = getappdata(fig,'TessellationFiles');
%   nFaces = getappdata(fig,'nFaces');
%   nVertices = getappdata(fig,'nVertices');
%   switch getappdata(fig,'CreateFlag')
%
% Figure Files opened by this function:
%   'generic_listbox_win.fig'
%   mfilename
%
%   Format of strings below: Type:Style:Tag, "String", CallBack Type and Call
%   <automatic> callback is <Tag>_Callback by Matlab default
%
% Callbacks by figure generic_listbox_win.fig
%   uicontrol:pushbutton:DONE "Done" uses Callback for subject_editor ImportTriDone
%
% Callbacks by figure subject_editor.fig
%   uicontrol:listbox:e_comment "" uses Callback for subject_editor CurrentEnvelopeInfo
%   uicontrol:popupmenu:listboxx "''" uses Callback for subject_editor listboxx
%   uicontrol:popupmenu:Tesselation "N/A" uses Callback for subject_editor TessellationFileInfo
%   uicontrol:pushbutton:Cancel "Cancel" uses Callback for delete(gcbf)
%   uicontrol:pushbutton:fit "Adjust" uses Callback for subject_editor fit
%   uicontrol:pushbutton:pushbutton10 "View" uses Callback for subject_editor ViewEnvelope
%   uicontrol:pushbutton:pushbutton100 "Save as" uses Callback for subject_editor saveas
%   uicontrol:pushbutton:pushbutton11 "Swap faces" uses Callback for subject_editor SwapFaces
%   uicontrol:pushbutton:pushbutton12 "Align" uses Callback for subject_editor AlignTessellation
%   uicontrol:pushbutton:pushbutton2 "Import" uses Callback for subject_editor ImportAnatomy
%   uicontrol:pushbutton:pushbutton4 "Import" uses Callback for subject_editor ImportTessellation
%   uicontrol:pushbutton:pushbutton5 "Rename" uses Callback for subject_editor RenameEnvelope
%   uicontrol:pushbutton:pushbutton7 "Delete" uses Callback for subject_editor DeleteEnvelope
%   uicontrol:pushbutton:Pushbutton8 "Save" uses Callback for subject_editor save
%   uicontrol:pushbutton:pushbutton8 "Downsize" uses Callback for subject_editor DownsizeEnvelope
%   uicontrol:pushbutton:pushbutton9 "Concatenate" uses Callback for
%     subject_editor ConcatenateEnvelope
%   uicontrol:pushbutton:QuitPushbutton1 "Done" uses Callback for subject_editor quit
%
% At Check-in: $Author: Mosher $  $Revision: 45 $  $Date: 10/11/04 11:34p $
%
% This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 23-Sep-2004
% 
% Principal Investigators and Developers:
% ** Richard M. Leahy, PhD, Signal & Image Processing Institute,
%    University of Southern California, Los Angeles, CA
% ** John C. Mosher, PhD, Biophysics Group,
%    Los Alamos National Laboratory, Los Alamos, NM
% ** Sylvain Baillet, PhD, Cognitive Neuroscience & Brain Imaging Laboratory,
%    CNRS, Hopital de la Salpetriere, Paris, France
% 
% See BrainStorm website at http://neuroimage.usc.edu for further information.
% 
% Copyright (c) 2004 BrainStorm by the University of Southern California
% This software distributed  under the terms of the GNU General Public License
% as published by the Free Software Foundation. Further details on the GPL
% license can be found at http://www.gnu.org/copyleft/gpl.html .
% 
% FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
% UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
% WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
% MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
% LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
%<autoend> ------------------------ 12-Oct-2004 01:12:37 -----------------------


% /---Script Author--------------------------------------\
% |                                                      |
% | *** Sylvain Baillet, Ph.D.                           |
% | Cognitive Neuroscience & Brain Imaging Laboratory    |
% | CNRS UPR640 - LENA                                   | 
% | Hopital de la Salpetriere, Paris, France             |
% | sylvain.baillet@chups.jussieu.fr                     |
% |                                                      |
% |  *** John C. Mosher, Ph.D.                           |
% |  Biophysics Group                                    |
% |  Los Alamos National Laboratory                      |
% |  Los Alamos, New Mexico, USA                         |
% |  mosher@lanl.gov                                     |
% |                                                      |
% |  *** Dimitrios Pantazis                              |
% |  Univerisity of Southern California                  |
% \------------------------------------------------------/
%  
% Date of creation: January 1999
%
% Script History -----------------------------------------------------------------------------------------------------------
% SB  28-Mar-2002  Systematic use of getappdata to access DataBase information
% SB  16-Apr-2002  Changed findobj calls to handles. referencing via guihandles 
% ...............  Fixed bug on tessellation file naming (which is supposed 
%                  to be relative to the subject's folder)
% SB  23-May-2002  Moving to new Tessellation File format
% ...............  Removed _brainstormsubject.mat filename tails in file display
% JCM 24-May-2002  changed name to subject_editor to match the GUI, altered GUI calls
% ...............  altered flow of cases to be more efficient, added handles output
% SB  27-May-2002  Changed the location of the set(fig,'visible','on') command so 
%                  that SUBJECTEDITOR can be created by direct call 
% ...............  to subject_editor('loadfile',FILENAME) as well 
% JCM 6-June-2002  Fixed 'loadfile' comment above, it was transposed in the arguments.
% JCM 11-Jun-2002  Auto comments, watch pointers, fixed bug in "save" routine
% JCM 20-Jun-2002  "Go" button still calling old routine, fixed. 
%                  Bug with "No Subject Files . . ."
%                  needs to be a cell array to work with empty case in listboxx. Reworked
%                  this tool such that DataDir is stored in the Application data as unaltered.
%                  If DataDir is empty, then no data, and listboxx displays "No subject files"
%                  Changed SUBJECTEDITOR to fig for readability. 
%                  "Loadfile" no longer used, case removed.
%                  Changed all explicit subject_editor calls to feval(mfilename).
%                  generic_listbox_win called old _cb routine as well. Definitely CBB.
%                  If "Save" does not detect filenames, defaults to "Save As"
% SB 01-Jul-2002   Fixed bugs occuring whem hitting the 'Load' button for 
%                  loading a tessellation file
% SB 22-Jul-2002   Misc. display enhancements
% SB 28-Jul-2002   _brainstormsubject is not longer a mandatory suffix
% ..............   Fixed loading issues when some DataBase elements 
%                  (such as some SubjectFiles or StudyFile)
% ..............   are not up to date
% SB 22-Oct-2002   Fixed bugs for TessFile access when importing .tri files.
% SB 05-Nov-2002   Updated GUI and Import callbacks - BrainSuite tri files can now 
%                  be imported into BsT
% JCM 06-Nov-2002  Handle case of no studies, just a subject file, don't close GUI.
%                  Changed the Quit button label to "Done"
% SB  20-Nov-2002  Save the Anatomy field when a subjectimage is available
% SB  28-Feb-2003  Added the SwapFaces feature for tessellated envelopes
% SB  03-Jun-2003  Compliant with the new Tiling of GUIs
% JCM 19-Aug-2003  Handle new database cases, switch back to arrows.
% JCM  5-Sep-2003  handle start of new gui better
% JCM 11-May-2004  Handle case of missing datamanager GUI (e.g. straight to
%                  subject editor). Set anatomy and tesselation searches to the
%                  correct paths (find_brainstorm_files).
% JCM 15-May-2004  Added changes from Pantazis for tesselation management
% DP  17-May-2004  More mods from Pantazis for "dfs" file types, other
%                  tesselation problems.
% DP  18-May-2004  Minor changes for better visualization of surfaces and remove error messages
%                  Also fix downsize button to give proper name to the generated files 
% DP  08-Oct-2004  Supress warning for matlab 6.5 (since tess_align_tool.fig was created in matlab 7)
%------------------------------------------------------------------------------------------------

VERBOSE = 1; % for tri2brainstorm import routine

% old fashioned R11 case switchyard, instead of newer R12.1 feval
%  switchyard
% reacquire the figure handle, or open a new one

fig = findobj(0,'tag','subjecteditor');

if(isempty(fig)),
   % doesn't exist
   fig = openfig(mfilename,'new'); % opens as invisible
   bst_color_scheme(fig);
   setappdata(fig,'TileType','T')
   bst_layout('align',fig,2,1,2)
   set(fig,'visible','on'); % .fig saved as invisible until ready
   setappdata(fig,'CreateFlag',1); % Set a flag stating that window was just created
end

fig = fig(1); % only the first occurence

handles = guihandles(fig); % reacquire all handles

% get some common data
Users = get_user_directory;

if(nargout),
   varargout{1} = fig; % send back the handles
   varargout{2} = handles;
end


% now switch

switch(action)
   %-----------------------------------------------------------------------
case 'create'
   
   
   drawnow % takes a long time to do the rest, let user see the figure
   
   makeuswait('start')
   
   DataDir = find_brainstorm_files('Subjects',Users.SUBJECTS,'');
   
   % store the results in Application Data
   setappdata(fig,'DataDir',DataDir); 
   
   % prepare the display strings
   if isempty(DataDir)
      cStr = {'No Subject files available in current path'};
   else
      % strip the suffix off for display purposes
      cStr = strrep(DataDir,'_brainstormsubject.mat','');
   end
   
   set(handles.listboxx,'String',cStr); % load the listbox
   set(handles.DOM,'string',date); % show today's date
   
   % Now get selected study from DataManager window and display information from corresponding subject
   GUIs = bst_win_manager;
   switch getappdata(fig,'CreateFlag') % Was subject_editor GUI freshly created 
       case 1 % Yes - go and see which study was selected in DataManager
           if ~isempty(GUIs.DataManager), % data manager exists
               DMhandles = guihandles(GUIs.DataManager); % Handles from DataManager GUI
               iStudy = get(DMhandles.listbox_Study,'Value'); % Current study
           else
               iStudy = 1; % just set to default
           end
           
           % Load subject info from selected study
           Studies = getpref('BrainStorm','Studies',[]);
           if(~isempty(Studies)),
               load(fullfile(Users.STUDIES,Studies(iStudy).StudyFile),'BrainStormSubject')
               BrainStormSubject = strrep(BrainStormSubject,'_brainstormsubject.mat','');
               % Find subject in list
               iSubject = find(strcmp(cStr,BrainStormSubject));
           else
               iSubject = 1; % Studies are empty, just set iSubject to the first
           end
           if isempty(iSubject)
               % We have studies, but could not find this subject.
               % Subject was not found for this study
               % ask user to update his/her database
               errordlg(...
                   sprintf('SubjectFile ''%s'' from StudyFile ''%s'' was not found in ''%s''',...
                   BrainStormSubject,Studies(iStudy).StudyFile,Users.SUBJECTS),...
                   'DataBase needs updating');
               bst_message_window('wrap',{...
                       sprintf('SubjectFile ''%s'' from StudyFile ''%s'' was not found in ''%s''',...
                       BrainStormSubject,Studies(iStudy).StudyFile,Users.SUBJECTS),...
                       ' ',...
                       'Please update or remove problematic files in/from DataBase before going on with BrainStorm'...
                   })
               iSubject = 1; % don't close this figure, just set it to the first
           end
           
           set(handles.listboxx,'Value',iSubject);        
           
           setappdata(fig,'CreateFlag',0) % That's it - GUI is created and initialized.
           
       case 0 % No - leave subject selection alone

           % Leave things alone
   end
   
   feval(mfilename,'listboxx');  % Reload current subject information
   
   makeuswait('stop')
   
   
   
   %-----------------------------------------------------------------------
case 'listboxx'
   % Get the current pointer of the subject listbox and display data available
   
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   
   % JCM, my preferred style is to load into structure for easier tracking
   Subject = load(DataDir{Val}); % load the brainstormsubject
   
   set(handles.Name,'String',Subject.Name)
   
   % the following fields may not be defined, so test accordingly
   
   if ~isfield(Subject,'DateOfAcquisition')
      Subject.DateOfAcquisition = '';
   end
   set(handles.DOA,'String',Subject.DateOfAcquisition)
   
   if ~isfield(Subject,'DateOfModification') | isempty(Subject.DateOfModification)
      Subject.DateOfModification = date;
   end
   set(handles.DOM,'String',Subject.DateOfModification)
   
   if ~isfield(Subject,'Comments')
      Subject.Comments = '';
   end
   set(handles.Comments,'String',Subject.Comments)
   
   AnatFiles = find_brainstorm_files('anatomy',fullfile(Users.SUBJECTS,SubjectPath));
   if isempty(AnatFiles)
      AnatFiles = 'N/A';
      set(handles.Anatomy,'Enable','off')
      nfiles = 0;
   else
      set(handles.Anatomy,'Enable','on')
      nfiles = length(AnatFiles);
   end
   set(handles.Anatomy,'String',AnatFiles,'Value',1,'Max',nfiles);
   set(handles.B_Anatomy,'String',sprintf('%d Anatomy - MRI file(s)',nfiles))
   
   TessFiles = find_brainstorm_files('tess',fullfile(Users.SUBJECTS,SubjectPath));
   if isempty(TessFiles)
      TessFiles = {'N/A'};
      set(handles.Tesselation,'Enable','off')
      nfiles = 0; 
   else
      set(handles.Tesselation,'Enable','on')
      nfiles = length(TessFiles);    
   end
   set(handles.Tesselation,'String',TessFiles,'Value',1,'Max',nfiles)
   set(handles.B_Tessellation,'String',sprintf('%d Tessellation file(s)',nfiles'))
   
   % Store tessellation files
   setappdata(fig,'TessellationFiles',TessFiles); 
   
   % Display info about first tessellation in list
   subject_editor TessellationFileInfo
   
   %-----------------------------------------------------------------------   
case 'TessellationFileInfo' % Display information about selected tessellation file
   
   set(fig,'pointer','watch')
   drawnow
   
   set(handles.e_comment,'Value',1)
   
   TessFiles = getappdata(fig,'TessellationFiles');
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   if strcmpi(TessFiles{iFile},'N/A') % No file available, return
      set(fig,'pointer','arrow')
      return
   end
   
   cd(Users.SUBJECTS)
   
      DataDir = getappdata(fig,'DataDir'); % get the list of subject files
      
      if(isempty(DataDir)), % there are no files, listbox displays "No files"
         Val = 0; % listbox is pointing at "No files"
         set(fig,'pointer','arrow')
         return % there is nothing to process
      else
         Val = get(handles.listboxx,'Value'); % which file are we pointed at?
      end   
      
      SubjectPath = fileparts(DataDir{Val}); % extract the referential path
      if ~isempty(SubjectPath)
         cd(SubjectPath)
      end
   

   load(TessFiles{iFile},'Comment','Faces','Vertices')
   
   if isempty(Comment) 
      % empty tessellation file - delete
      ButtonName=questdlg('This file is apparently empty - would you like to remove it from disk?', ...
         'DataBase Cleaning', ...
         'Yes','No','No');
      switch(ButtonName)
      case 'No'
         set(fig,'pointer','arrow')
         return
      case 'Yes'
         switch(upper(computer))
         case('PCWIN')
            dos(sprintf('del %s', TessFiles{iFile}));
         case ('UNIX')
            unix(sprintf('rm %s %s', TessFiles{iFile}));
         end
         subject_editor listboxx    
      end
   else
      set(handles.e_comment,'string',Comment)
      
      for k = 1:length(Faces);
         nFaces(k) = size(Faces{k},1);
      end
      clear Faces
      for k = 1:length(Vertices);
         nVertices(k) = size(Vertices{k},2);
      end
      clear Vertices
      
      setappdata(fig,'Comment',Comment)
      setappdata(fig,'nFaces',nFaces)
      setappdata(fig,'nVertices',nVertices)
      
      subject_editor CurrentEnvelopeInfo
      set(handles.t_envelopes,'String',sprintf('%d Envelope(s)',length(Comment)));
      set(handles.e_comment,'Max',length(Comment))
      
   end
   
   
   set(fig,'pointer','arrow')
   
   %-----------------------------------------------------------------------   
case 'CurrentEnvelopeInfo' % Display info related to selected envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   %     if length(iCurrent) > 1
   %         set(handles.e_comment,'Value', min(iCurrent));
   %         subject_editor CurrentEnvelopeInfo
   %         return
   %     end
   
   nFaces = getappdata(fig,'nFaces');
   nVertices = getappdata(fig,'nVertices');
   
   try 
      if length(nFaces) == length(nVertices) % several envelopes of different tissues are stored (pre-MMII convention)
         set(handles.t_faces_vertices,'String',sprintf('%d Faces - %d Vertices',nFaces(iCurrent),nVertices(iCurrent)))
      else % Variations of the same envelope: number of faces and vertices is the same for all variations 
         set(handles.t_faces_vertices,'String',sprintf('%d Faces - %d Vertices',nFaces(1),nVertices(1)))
      end
   catch
      set(handles.e_comment,'Value', min(iCurrent));
      subject_editor CurrentEnvelopeInfo
      return
   end
   
   %-----------------------------------------------------------------------   
case 'ConcatenateEnvelope' % Concatenate selected envelopes in a single tessellation
   
    makeuswait('start')
    
    TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   
   if length(iCurrent) == 1 % Concatenate tessellation from 2 different files
      % Open specific GUI for file selection
      TriList = openfig('generic_listbox_win.fig');
      setappdata(TriList,'TileType','T')
      bst_color_scheme(TriList)
      bst_layout('align',TriList,2,2,1)
      set(TriList,'Visible','on')
      
      TriHandles = guihandles(TriList);
      set(TriHandles.listbox,'String',TessFiles,'ListboxTop',2,'Max',2)
      set(TriList,'Name','Select tessellation files to concatenate')
      set(TriHandles.DONE,'Callback','subject_editor ConcatenateEnvelope_Done')
      
      return
   elseif length(iCurrent) ~= 2
      errordlg('Please select 2 envelopes only from list.')
      return
   end
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end
   
   oldTess = load(TessFiles{iFile});
   
   
   % As per MMII convention - there should be one tessellation file per envelope
   % A downsized version of e.g. a cortex is considered as a different envelope 
   % ans is therefore saved in a separate tessellation file than the original.
   Vertices{1} = [oldTess.Vertices{iCurrent(1)},oldTess.Vertices{iCurrent(2)}]  ;
   Faces{1} = [oldTess.Faces{iCurrent(1)}; oldTess.Faces{iCurrent(2)}+size(oldTess.Vertices{iCurrent(1)},2)];
   Comment{1} = [oldTess.Comment{iCurrent(1)},oldTess.Comment{iCurrent(2)}]  ;
   clear oldTess
   
   newTessFile = strrep(TessFiles{iFile},'tess',[Comment{1},'_tess']);
   save(newTessFile,'Faces','Comment','Vertices')
   
   subject_editor listboxx
   bst_message_window({...
         ' ',... 
         'Wrote new envelope in',...
         newTessFile,...
         ' '})
   
   makeuswait('stop')
   
   %-----------------------------------------------------------------------   
case 'ConcatenateEnvelope_Done' % Two files were selected - concatenate their envelopes 
   
   set(fig,'pointer','watch'), drawnow
   % Assume there is only one envelope per file
   TriList = openfig('generic_listbox_win.fig','reuse');
   TriHandles = guihandles(TriList);
   
   iCurrent = get(TriHandles.listbox,'Value'); % Selected tess files
   
   if length(iCurrent) ~= 2
      errordlg('Please select 2 envelopes only from list.')
      return
   end
   
   delete(TriList);
   
   TessFiles = getappdata(fig,'TessellationFiles');
   
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end

   
   for k = 1:length(iCurrent)
      oldTess{k} = load(TessFiles{iCurrent(k)});
   end
   
   % As per MMII convention - there should be one tessellation file per envelope
   % A downsized version of e.g. a cortex is considered as a different envelope 
   % ans is therefore saved in a separate tessellation file than the original.
   Vertices{1} = [oldTess{1}.Vertices{1},oldTess{2}.Vertices{1}]  ;
   Faces{1} = [oldTess{1}.Faces{1}; oldTess{2}.Faces{1}+size(oldTess{1}.Vertices{1},2)];
   Comment{1} = [oldTess{1}.Comment{1},oldTess{2}.Comment{1}]  ;
   clear oldTess
   
   newTessFile = [Comment{1},'_tess.mat'];
   save(newTessFile,'Faces','Comment','Vertices')
   
   subject_editor listboxx
   bst_message_window({...
         ' ',... 
         'Wrote new envelope in',...
         newTessFile,...
         ' '})
   
   set(fig,'pointer','arrow'), drawnow
   
   
   %-----------------------------------------------------------------------   
case 'RenameEnvelope' % Change the comment entry to selected envelope
   
   TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   if length(iCurrent) > 1
      set(handles.e_comment,'Value', min(iCurrent));
      subject_editor RenameEnvelope
      return
   end
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end
   
   
   load(TessFiles{iFile},'Comment')
   newComment = inputdlg('Enter a new name for selected envelope','Edit tessellation file',1,{Comment{iCurrent}});
   if isempty(newComment), return, end
   
   Comment{iCurrent} = char(newComment);
   
   save(TessFiles{iFile},'Comment','-append')
   set(handles.e_comment,'string',Comment)
   setappdata(fig,'Comment',Comment)
   
   %-----------------------------------------------------------------------   
   
case 'SwapFaces' % Swap vertex ordering for face definition as some pacthes normal may happen to be oriented inwards and therefore look dark in 3d
   
   set(fig,'pointer','watch')
   TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   if length(iCurrent) > 1
      set(handles.e_comment,'Value', min(iCurrent));
      subject_editor RenameEnvelope
      return
   end
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end

   
   load(TessFiles{iFile},'Faces')
   
   Faces{iCurrent} = Faces{iCurrent}(:,[2 1 3]);
   
   save(TessFiles{iFile},'Faces','-append')
   
   set(fig,'pointer','arrow')
   
   
   %-----------------------------------------------------------------------   
case 'DeleteEnvelope' % Delete selected envelope
   
   TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end

   
   
   ButtonName=questdlg('Are you sure you want to delete permanently the selected envelope(s) ?', ...
      'Warning', ...
      'Yes','No','No');
   
   switch(ButtonName)
      
   case 'No'
      return
   case 'Yes'
      set(fig,'pointer','watch'), drawnow
      
      load(TessFiles{iFile},'Comment','Vertices','Faces')
      iValidSet = setdiff(1:length(Comment),iCurrent); % Set of remaining envelopes
      if length(Faces) == length(Comment)
         Faces = Faces(iValidSet);
      end
      Comment = Comment(iValidSet);
      Vertices = Vertices(iValidSet);
      
      save(TessFiles{iFile},'Comment','Vertices','Faces')
      set(handles.e_comment,'string',Comment)
   end
   
   % Update display
   if length(Comment) < 1 % Empty tessellation file
      subject_editor listboxx
      return
   end
   
   for k = 1:length(Faces);
      nFaces(k) = size(Faces{k},1);
   end
   clear Faces
   for k = 1:length(Vertices);
      nVertices(k) = size(Vertices{k},2);
   end
   clear Vertices
   
   setappdata(fig,'Comment',Comment)
   setappdata(fig,'nFaces',nFaces)
   setappdata(fig,'nVertices',nVertices)
   
   subject_editor CurrentEnvelopeInfo
   
   set(handles.t_envelopes,'String',sprintf('%d Envelope(s)',length(Comment)));
   
   set(fig,'pointer','arrow')
   
   %-----------------------------------------------------------------------   
   
case 'ViewEnvelope' % View of selected envelope 
   
   TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   if length(iCurrent) > 1
      set(handles.e_comment,'Value', min(iCurrent));
      subject_editor DownsizeEnvelope
      return
   end
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end
   
   load(TessFiles{iFile});
   Faces = Faces{iCurrent};
   Vertices = Vertices{iCurrent};
   Comment = Comment{iCurrent};
   
   
   hf =  figure('visible','off');
   bst_color_scheme(hf);
   setappdata(hf,'TileType','T')
   set(hf,'menubar','figure','toolbar','figure');
   bst_layout('align',hf,1,1,1);
   set(hf,'visible','on');
   set(hf,'name','Tessellation Viewer');
   light
   %    h = light('visible','off');
   %    set(h,'position',[0 -1 0],'visible','on');
   lighting gouraud
   axis equal
   axis off   
   axis vis3d
   
    FV.vertices = Vertices';
    FV.faces = Faces;
    nVertices = size(FV.vertices,1);
    figure(hf);
    hpatch = patch(FV,'FaceColor','interp','EdgeColor','none','FaceVertexCData',ones(nVertices,3)*0.9,'faceAlpha',1); %plot surface        
    lighting gouraud
   
   
   %-----------------------------------------------------------------------   
   
case 'DownsizeEnvelope' % Create a new version of selected envelope with a reduced number of faces and vertices
   
   TessFiles = getappdata(fig,'TessellationFiles');
   % Tessellation file
   iFile = get(handles.Tesselation,'Value'); % Which file is selected
   % Envelope in tessellation file
   iCurrent = get(handles.e_comment,'Value'); % what's the current envelope ?
   if length(iCurrent) > 1
      set(handles.e_comment,'Value', min(iCurrent));
      subject_editor DownsizeEnvelope
      return
   end
   
   % Go into proper folder 
   cd(Users.SUBJECTS)
   DataDir = getappdata(fig,'DataDir'); % get the list of subject files
   if(isempty(DataDir)), % there are no files, listbox displays "No files"
      Val = 0; % listbox is pointing at "No files"
      return % there is nothing to process
   else
      Val = get(handles.listboxx,'Value'); % which file are we pointed at?
   end   
   SubjectPath = fileparts(DataDir{Val}); % extract the referential path
   if ~isempty(SubjectPath)
      cd(SubjectPath)
   end
   
   load(TessFiles{iFile});
   
   
   newVertices = ...
      inputdlg('New number of vertices for selected envelope',...
      'Tessellation downsizing',...
      1,{num2str(size(Vertices{iCurrent},2))});
   
   if isempty(newVertices), return, end
   
   nfv.faces = double(Faces{iCurrent});
   nfv.vertices = double(Vertices{iCurrent}');
   dsFactor = str2num(newVertices{1})/size(Vertices{iCurrent},2); % Downsize factor
   clear Faces Vertices
   
   makeuswait('start')
   
   NFV = reducepatch(nfv, dsFactor);
   
   clear nfv
   
   % As per MMII convention - there should be one tessellation file per envelope
   % A downsized version of e.g. a cortex is considered as a different envelope 
   % ans is therefore saved in a separate tessellation file than the original.
   
   Faces{1} = NFV.faces;
   Vertices{1} = NFV.vertices';
   clear NFV
   OldComment = Comment;
   clear Comment
   Comment{1} = [OldComment{iCurrent},'_',num2str(newVertices{1}),'V'];%num2str(dsFactor)];
   newTessFile = strrep(TessFiles{iFile},'tess',[num2str(newVertices{1}) 'V_tess']);
   save(newTessFile,'Faces','Comment','Vertices')
   
   subject_editor listboxx
   bst_message_window({...
         ' ',... 
         'Wrote new envelope in',...
         newTessFile,...
         ' '})
   
 makeuswait('stop')
   
   %-----------------------------------------------------------------------   
   
case 'save'
   
   DataDir = getappdata(fig,'DataDir');
   
   if(isempty(DataDir)),
      % there is no subject, call as a "save as"
      feval(mfilename,'saveas'); % no filename
      
   else
      % use the existing filename to save
      ifile = get(handles.listboxx,'value'); % what is selected in the listbox?
      
      file = DataDir{ifile}; % referential filename
      
      feval(mfilename,'saveas',file) % save with this name
   end
   
   
   
   %-----------------------------------------------------------------------
case 'saveas'
   
   % called with optional argument of referential filename
   
   cd(Users.SUBJECTS)
   
   Name = get(handles.Name,'String');
   DateOfAcquisition = get(handles.DOA,'String');
   DateOfModification = date; 
   set(handles.DOM,'String', date);
   Comments = get(handles.Comments,'String');
   Anatomy = get(handles.Anatomy,'String');
   
   try
       Anatomy = fullfile(fileparts(varargin{1}),Anatomy{get(handles.Anatomy,'Value')}); % referential name
   catch
       Anatomy = '';
   end
   
   Tesselation = get(handles.Tesselation,'Userdata');
   if isempty(Tesselation)
       Tesselation = '';
   end
   
   
   if nargin == 1 % No handles.Name was specified
       DefaultLeader = strrep(Name,' ',''); % Default prefix to Subject filename.
       if ~isempty(DefaultLeader)
           DefaultLeader = [DefaultLeader,'_brainstormsubject.mat'];
       else
           DefaultLeader = ['brainstormsubject.mat'];
       end
       
       [file,path] = uiputfile(DefaultLeader, 'Save Subject Information');
       
       if file == 0, 
           return, 
       end
       
       if isempty(findstr(lower(file),'brainstormsubject.mat'));
           file = [file,'_brainstormsubject.mat']; % Add the BST suffix if not entered by user
       end
       % file is name only, but path is absolute
   else
       file = varargin{1}; % referential name
       path = Users.SUBJECTS;    
       ifile = get(handles.listboxx,'Value'); % What's the value of the subject file lisbox for future display
   end
   
   save(fullfile(path,file),'Name','DateOfAcquisition','DateOfModification','Comments',...
       'Anatomy','Tesselation')
   bst_message_window('wrap',{sprintf('Saved to %s',path),file}); % filename on second line
   
   % now reinitialize the GUI to seek out the new subject file and load the gui
   
   feval(mfilename,'create');
   
   if nargin > 1
       set(handles.listboxx,'Value',ifile)
   end
   
   
   
   %-----------------------------------------------------------------------
case 'ImportAnatomy'
   
   bst_mriviewer;
   
   
   %-----------------------------------------------------------------------
   
case 'ImportTessellation'

    
    % Move to current subject's folder
    DataDir = getappdata(fig,'DataDir'); % referential filenames
    if(isempty(DataDir)),
        % no current subject
        bst_message_window('append','No valid subject file selected');
        return
    else
        CurrentSubjectFile = DataDir{get(handles.listboxx,'Value')};
    end
    
    % strip the folder name, add to the filename
    CurrentSubjectFolder = fileparts(fullfile(Users.SUBJECTS,CurrentSubjectFile));

    %Open window to ask for tesselation files
    filetype{1} = '.tri';
    filetype{2} = '.dsgl';
    filetype{3} = '.dfs';
    filetype{4} = '.mesh';
        
    [Files Filenames] = file_selection_win(filetype,CurrentSubjectFolder);
        
    if(isempty(Files{1})) %if no files are loaded
        return
    end
    
    %separate Tri from Dsgl and Dfs files
    TriFiles = {};
    DsglFiles = {};
    DfsFiles = {};
    ndxTri = 1;
    ndxMesh = 1;
    ndxDsgl = 1;
    ndxDfs = 1;
    for k = 1:size(Files,2)
        if strcmp(Files{k}(end-3:end),'.tri')
            TriFiles{ndxTri} = Files{k};
            ndxTri = ndxTri + 1;
        end
        if strcmp(Files{k}(end-4:end),'.mesh')
            TriFiles{ndxMesh} = Files{k};
            ndxMesh = ndxMesh + 1;
        end
        if strcmp(Files{k}(end-4:end),'.dsgl')
            DsglFiles{ndxDsgl} = Files{k};
            ndxDsgl = ndxDsgl + 1;
        end
        if strcmp(Files{k}(end-3:end),'.dfs')
            DfsFiles{ndxDfs} = Files{k};
            ndxDfs = ndxDfs + 1 ; 
        end
    end
    ndxTri = ndxTri - 1;
    ndxMesh = ndxMesh - 1;
    ndxDsgl = ndxDsgl - 1;
    ndxDfs = ndxDfs - 1;
    
    if(ndxTri>0) %if any tri files
        [oVertices, oFaces, oComment] = tri2brainstorm(TriFiles,VERBOSE);
    elseif(ndxMesh>0) %if any MESH files
        for k=1:length(ndxMesh)
            [oVertices{k},oFaces{k},normal,vertex_number,faces_number] = mesh2brainstorm(TriFiles{k});
            oVertices{k} = oVertices{k}';
            oFaces{k} = oFaces{k}+1;
            oComment{k} = TriFiles{k};
        end
    end
    
    
    %The following code may be used in the future, to automatically align dsgl files
    
%     %we need to check if PCS is present in the subjectimage file:
%     %get subject file, to get a link to anatomy file
%     % Move to current subject's folder
%     CurrentSubjectFile = DataDir{get(handles.listboxx,'Value')};
%     SubjectFile = fullfile(Users.SUBJECTS,CurrentSubjectFile);
%     warning off %we don't want to scare the user if no anatomy is present
%     load(CurrentSubjectFile,'Anatomy');
%     warning on
%     if(~exist('Anatomy'))
%         bst_message_window({' ','-------------------------------------------------',...
%                 'Import an anatomy file and define a Patient Coordinate System before importing Dsgl files...'}); 
%         return
%     end
%     SubjectImageFile = fullfile(Users.SUBJECTS,Anatomy);
%     
%     %check whether PCS from Anatomy file is defined
%     %we need this to align dsgl with mri and channels
%     warning off %we don't want to scare the user if no PCS is present
%     load(SubjectImageFile,'PCS')
%     warning on
%     if(~exist('PCS') | ~isfield(PCS,'PERM'))
%         bst_message_window({' ','-------------------------------------------------',...
%                 'Define a Patient Coordinate System using the MRI Tool before importing Dsgl files...'}); 
%         return
%     end
%     %now we can use bsuite2PCS function
    
    %load dsgl files
    for k = 1:size(DsglFiles,2)
        FV = readdsgl(DsglFiles{k});
        %now in cube coords, make it engineering dimensions, in meters
        FV.vertices(:,1) = FV.vertices(:,1)*(FV.res(1)/1000);  %this should not be used with bsuite2PCS
        FV.vertices(:,2) = FV.vertices(:,2)*(FV.res(2)/1000);  %this should not be used with bsuite2PCS
        FV.vertices(:,3) = FV.vertices(:,3)*(FV.res(3)/1000);  %this should not be used with bsuite2PCS
        FV_PCS = FV; %temp code
        clear FV;
%        FV_PCS = bsuite2PCS(FV,SubjectImageFile);
        oVertices{k+ndxTri} = FV_PCS.vertices'; %append info
        oFaces{k+ndxTri} = FV_PCS.faces; 
        [ignore,fileComment] = fileparts(DsglFiles{k});
        oComment{k+ndxTri} = fileComment;
    end  
    
    %load dfs files
    for k = 1:size(DfsFiles,2)
        FV = readdfs(DfsFiles{k});
        FV.vertices = FV.vertices / 1000;  %make mm into m
        oVertices{k+ndxTri+ndxDsgl} = FV.vertices'; %append info
        oFaces{k+ndxTri+ndxDsgl} = FV.faces; 
        [ignore,fileComment] = fileparts(DfsFiles{k});
        oComment{k+ndxTri+ndxDsgl} = fileComment;
    end  

    
    
    % BST.MMII innovation:
    % Now save each in a separate tess file
    %TessFileLeader = strrep(TriFiles{1},Leader,'');
    %TessFileLeader = strrep(TessFileLeader,'.tri',''); % Common leader for every new tessellation file 
    
    bst_message_window({' ','-------------------------------------------------',...
            'Saving envelopes in separate files...'}); 
    drawnow
    for k = 1: length(TriFiles)
        
        % Get corresponding surface specs
        Faces{1} = oFaces{k};
        Vertices{1} = oVertices{k};
        Comment{1} = oComment{k};
        
        % Generate file name
        [PATHSTR,NAME,EXT,VERSN] = fileparts(Files{k});
        
        TessFile{k} = strrep(Files{k},EXT,'_tess.mat');
        
        save(TessFile{k},'Comment','Faces','Vertices','-mat');
        
        bst_message_window('wrap',{...
                ['Saving envelope ''',Comment{1},''' in '],...
                TessFile{k},...
            });
        
    end
    
    for k = ndxTri+1: ndxTri+ size(DsglFiles,2)
        
        % Get corresponding surface specs
        Faces{1} = oFaces{k};
        Vertices{1} = oVertices{k};
        Comment{1} = oComment{k};
        
        % Generate file name
        TessFile{k}= strrep(Files{k},'.dsgl','_tess.mat');
        
        save(TessFile{k},'Comment','Faces','Vertices','-mat');
        
        bst_message_window('wrap',{...
                ['Saving envelope ''',Comment{1},''' in '],...
                TessFile{k},...
            });
        
    end
    
    for k = ndxTri+ndxDsgl+1: ndxTri+ndxDsgl +  size(DfsFiles,2)
        
        % Get corresponding surface specs
        Faces{1} = oFaces{k};
        Vertices{1} = oVertices{k};
        Comment{1} = oComment{k};
        
        % Generate file name
        TessFile{k}= strrep(Files{k},'.dfs','_tess.mat');
        
        save(TessFile{k},'Comment','Faces','Vertices','-mat');
        
        bst_message_window('wrap',{...
                ['Saving envelope ''',Comment{1},''' in '],...
                TessFile{k},...
            });
        
    end
    
    
    
    bst_message_window({'Saving envelopes in separate files -----> DONE',... 
            '-------------------------------------------------',' '});
    
    DataDir = getappdata(fig,'DataDir');
    if(isempty(DataDir)),
        bst_message_window('No valid subject name')
        return
    end
    CurrentSubjectFile = DataDir{get(handles.listboxx,'Value')};
    
    % extract the referential folder name
    CurrentSubjectFolder = fileparts(CurrentSubjectFile);
    
    %set(handles.Tesselation,'string',TessFile,'Value',1,'Userdata',fullfile(CurrentSubjectFolder,TessFile))
    set(handles.Tesselation,'string',TessFile,'Value',1,'Userdata',TessFile)
    
    subject_editor('listboxx');
  
    
    
    
   
   
   
   %-----------------------------------------------------------------------
   
case 'quit'
   close gcbf
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'anatomy'
   cd(Users.SUBJECTS)
   [file,path] = uigetfile(['*subjectimage.mat'], 'Select a BrainStorm ''subjectimage'' file');
   if file == 0, return, end
   
   if isempty(findstr(lower(Users.SUBJECTS),lower(path))) % Check if the subjectimage file is in Users.SUBJECTS for correct relative indexing
      errordlg(sprintf('Please place %s in %s first',file,Users.SUBJECTS))
      return
   end
   
   if findstr(lower(fullfile(path,file)),lower(Users.SUBJECTS)) ~=1 % Automount issus on some Linux systems - remove the automount prefix
      fname = fullfile(path,file);
      istrip = findstr(lower(fullfile(path,file)),lower(Users.SUBJECTS));
      fname = fname(istrip:end);
   else
      fname = fullfile(path,file);
   end
   
   fname = strrep(fname,(Users.SUBJECTS),''); % strip the user location
   
   set(handles.Anatomy,'String',file,'Userdata',fname)
   cd(path)
   set(findobj(gcbf,'Tag','fit'),'Enable','on')
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'tesselation'
   
   [file,path] = uigetfile(['*tess*.mat'], 'Select a handles.Tesselation file');
   if file == 0, return, end
   
   if findstr(lower(fullfile(path,file)),lower(Users.SUBJECTS)) ~=1 % Automount issues on some Linux systems 
      % Remove the automount prefix
      fname = fullfile(path,file);
      istrip = findstr(lower(fullfile(path,file)),lower(Users.SUBJECTS));
      fname = fname(istrip:end);
   else
      fname = fullfile(path,file);
   end
   
   fname = strrep(fname,Users.SUBJECTS,''); % strip the user location
   
   set(handles.Tesselation,'String',file)
   set(handles.Tesselation,'Enable','on')
   nfiles = 1;    
   set(handles.Tesselation,'String',fname,'Value',1,'Max',nfiles)
   set(handles.B_Tessellation,'String',sprintf('%d Tessellation file(s)',nfiles'))
   
   cd(path)
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'TriConn'
   
   [file,path] = uigetfile(['*.mat'], 'Triangle Connectivity file');
   if file == 0, return, end
   if isempty(strmatch((Users.SUBJECTS),(path))) % Check if the handles.Tesselation file is in Users.SUBJECTS for correct relative indexing
      errordlg(sprintf('Please place %s in %s first',file,Users.SUBJECTS))
      return
   end
   
   fname = strrep((fullfile(path,file)),(Users.SUBJECTS),''); % strip the user location
   set(handles.TriConn,'String',file,'Userdata',fname)
   cd(path)
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'VertConn'
   
   [file,path] = uigetfile(['*.mat'], 'Vertex Connectivity file');
   if file == 0, return, end
   if isempty(strmatch((Users.SUBJECTS),(path))) % Check if the handles.Tesselation file is in Users.SUBJECTS for correct relative indexing
      errordlg(sprintf('Please place %s in %s first',file,Users.SUBJECTS))
      return
   end
   
   fname = strrep((fullfile(path,file)),(Users.SUBJECTS),''); % strip the user location
   set(handles.VertConn,'String',file,'Userdata',fname)
   cd(path)
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'fit' % Scale the MRI to the true fiducials     
   fidufit
   
   load(get(handles.Anatomy,'Userdata'),'PCS');
   if ~exist('PCS','var')
      errordlg('Please use the original dummy MRI scan')
      return
   end
   
   PCS.PCSFiducial(abs(PCS.PCSFiducial) < 1e-4) = 0;
   
   set(findobj(gcf,'Tag','old1'),'String',(num2str(PCS.PCSFiducial(:,1)','%3.1f %3.1f %3.1f')));
   set(findobj(gcf,'Tag','old2'),'String',(num2str(PCS.PCSFiducial(:,2)','%3.1f %3.1f %3.1f')));
   set(findobj(gcf,'Tag','old3'),'String',(num2str(PCS.PCSFiducial(:,3)','%3.1f %3.1f %3.1f')));
   
   
   
   
   %-----------------------------------------------------------------------
   
case 'fitdone' % Scale the MRI to the true fiducials     
   
   %-----------------------------------------------------------------------

   new1 = str2num(get(findobj(gcbf,'Tag','new1'),'String'));
   new2 = str2num(get(findobj(gcbf,'Tag','new2'),'String'));
   new3 = str2num(get(findobj(gcbf,'Tag','new3'),'String'));
   load(get(handles.Anatomy,'Userdata'),'PCS');
   tmp = mean(abs([new2;new3]));
   newfid = [new1',tmp',[0 0 1]'];
   tmp = mean(abs(PCS.PCSFiducial(:,2:3)'));
   scale_fiducials = newfid*inv([PCS.PCSFiducial(:,1),tmp',[0 0 1]']);
   PCS.PCSFiducial = [new1',new2',new3',[0 0 0]'];
   save(get(handles.Anatomy,'Userdata'),'PCS','scale_fiducials','-append')
   bst_message_window(' ')
   bst_message_window('Fiducials points have been properly updated')
   bst_message_window(' ')
   close(gcbf)
   
   
   
   %-----------------------------------------------------------------------
   
case 'AlignTessellation'
   
   %-----------------------------------------------------------------------
   % Align the tesselation to the Subject Coordinate System
   
       %get current subject directory        
    DataDir = getappdata(fig,'DataDir'); % referential filenames
    if(isempty(DataDir)),
        % no current subject
        bst_message_window('append','No valid subject file selected');
        return
    else
        CurrentSubjectFile = DataDir{get(handles.listboxx,'Value')};
    end
    % strip the folder name, add to the filename
    CurrentSubjectFolder = fileparts(fullfile(Users.SUBJECTS,CurrentSubjectFile));
     
    %launch tesselation alignment tool
    warning off; %supress warning for matlab 6.5 (window created on matlab 7)
    tess_align_tool('dummy',CurrentSubjectFolder); 
    warning on;
   
   %-----------------------------------------------------------------------
   
end % case switches


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