Remove hard-coded path.

Signed-off-by: Yoann Guilhem <yoann.guilhem@ens-cachan.fr>

zUtil_Taper/gtTaperReadMapFile.m

 function grain = gtTaperReadMapFile(pathtofiles,map_file,detector_par)
 % grain = gtTaperReadMapFile(pathtofiles,map_file,detector_par)
 
-
 if ~exist(pathtofiles,'dir') || isempty(pathtofiles)
     disp(['directory ' pathtofiles ' does not exist...'])
     return
@@ -42,9 +41,17 @@ eps = gff(:,16:end); % ... eps11  eps22  eps33  eps23  eps13  eps12
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % generate txt files from ubi file and save all into grain
-bash_script = fullfile('/users',getenv('USER'),'matlabDCT','zUtil_Taper','script_generate_files.sh');
+%bash_script = fullfile('/users',getenv('USER'),'matlabDCT','zUtil_Taper','script_generate_files.sh');
+if (isempty(whos('global', 'GT_MATLAB_HOME')))
+    gtError('SETUP:no_such_variable', ...
+          ['GT_MATLAB_HOME variable doesn''t exist in global workspace, '...
+           'your environment is not sane, and you need to either ' ...
+           're-initialise or re-run matlab.'])
+end
+global GT_MATLAB_HOME;
+bash_script = fullfile(GT_MATLAB_HOME, 'zUtil_Taper','script_generate_files.sh');
 cmd = [bash_script ' ' map_file];
-[~,msg]=unix(cmd); disp(msg)
+[~,msg]=unix(cmd); disp(msg);
 
 cd(cdir);