Index: /issm/trunk-jpl/src/m/plot/processdata.m
===================================================================
--- /issm/trunk-jpl/src/m/plot/processdata.m	(revision 19083)
+++ /issm/trunk-jpl/src/m/plot/processdata.m	(revision 19084)
@@ -189,4 +189,18 @@
 	clear databak
 end
+if datatype==3,
+	%Mask?
+	if exist(options,'mask'),
+		flags=getfieldvalue(options,'mask');
+		pos=find(~flags);
+		if length(flags)==md.mesh.numberofvertices,
+			data(pos,:)=NaN;
+		elseif length(flags)==md.mesh.numberofelements
+			data(md.mesh.elements(pos,:),:)=NaN;
+		else
+			disp('plotmodel warning: mask length not supported yet (supported length are md.mesh.numberofvertices and md.mesh.numberofelements');
+		end
+	end
+end
 
 %OK, if datatype=0 error out