gtUpdateXmlFile : fix bug - check on fields of image headers

Signed-off-by: Laura Nervo <laura.nervo@esrf.fr>

git-svn-id: https://svn.code.sf.net/p/dct/code/trunk@492 4c865b51-4357-4376-afb4-474e03ccb993

1_preprocessing/gtSetup_Utils/gtUpdateXmlFile.m

@@ -29,18 +29,27 @@ if exist(xml_file,'file')
     
     if exist(dark_file,'file')
         info_dark = edf_info(dark_file);
-        xml.acquisition.byteorder          = info_dark.byteorder;
-        xml.acquisition.collection_dir_old = info_dark.dir;
-        xml.acquisition.imageSuffix        = info_dark.suffix;
+        if all(isfield(info_dark,{'byteorder','suffix'}))
+            xml.acquisition.byteorder   = info_dark.byteorder;
+            xml.acquisition.imageSuffix = info_dark.suffix;
+        else % if don't exist, define them by default
+            xml.acquisition.byteorder   = 'l';
+            xml.acquisition.imageSuffix = '.edf';
+            msg = strcat(msg,'Setting byteorder and imageSuffix by default.\n');
+        end
     else
         msg = strcat(msg,'Image darkend0000.edf not found.\n');
-        xml.acquisition.collection_dir_old = fullfile(xml.acquisition.disk,xml.acquisition.scanName);
     end
+    xml.acquisition.collection_dir_old = fullfile(xml.acquisition.disk,xml.acquisition.scanName);
     
     if exist(ref_file,'file')
         info_ref  = edf_info(ref_file);
-        xml.acquisition.energy     = info_ref.energy;
-        xml.acquisition.opticsUsed = info_ref.optic_used;
+        if all(isfield(info_ref,{'energy','optic_used'}))
+            xml.acquisition.energy     = info_ref.energy;
+            xml.acquisition.opticsUsed = info_ref.optic_used;
+        else
+            msg = strcat(msg,'Energy and optic_used information have not been found in the header.\n');
+        end
     else
         msg = strcat(msg,'Image ref0000_0000.edf not found.\n');
     end
@@ -51,14 +60,14 @@ if exist(xml_file,'file')
     disp(['Saved updated .xml file in ' fullfile(pwd(),newname)])
     if nargout > 0
         xml_name = newname;
-        disp(msg)
     end
+    disp(msg)
 else
-    disp('File .xml not found')
+    msg = 'File .xml not found';
     if nargout > 0
         xml_name = [];
-        disp(msg)
     end
+    disp(msg)
     return;
 end