Index: trunk/src/transform_field/FFT2_detrend.m
===================================================================
--- trunk/src/transform_field/FFT2_detrend.m	(revision 1112)
+++ trunk/src/transform_field/FFT2_detrend.m	(revision 1113)
@@ -85,4 +85,7 @@
         DataOut.ListVarName=[CoordName {VarName}];%list of variables
         DataOut.VarDimName=[CoordName {CoordName}];%list of dimensions for variables
+        DataOut.VarAttribute{1}.Role='coord_y';
+        DataOut.VarAttribute{2}.Role='coord_x';
+        DataOut.VarAttribute{3}.Role='scalar';
         break
     end