Index: /issm/trunk-jpl/src/m/plot/processdata.m
===================================================================
--- /issm/trunk-jpl/src/m/plot/processdata.m	(revision 23911)
+++ /issm/trunk-jpl/src/m/plot/processdata.m	(revision 23912)
@@ -27,4 +27,7 @@
 	[data datatype]=processdata(md,data(1).(F{choice}),options);
 end
+if issparse(data)
+	data = full(data);
+end
 
 %Process NaN if any (do not know before mask is applied)