Index: /issm/trunk-jpl/src/m/plot/plot_gridded.m
===================================================================
--- /issm/trunk-jpl/src/m/plot/plot_gridded.m	(revision 24761)
+++ /issm/trunk-jpl/src/m/plot/plot_gridded.m	(revision 24762)
@@ -10,4 +10,10 @@
 [x y z elements is2d isplanet]=processmesh(md,[],options);
 [data datatype]=processdata(md,data,options);
+
+islevelset = exist(options,'levelset');
+if islevelset
+	levelset = getfieldvalue(options,'levelset');
+	[levelset datatype]=processdata(md,levelset,options);
+end
 
 %check is2d
@@ -29,4 +35,10 @@
 if size(data_grid,1)<3 | size(data_grid,2)<3,
 	error('data_grid size too small in plot_gridded, check posting and units');
+end
+
+%Mask values if levelset>0
+if islevelset
+	ls_grid=InterpFromMeshToGrid(elements,x,y,levelset,x_m,y_m,NaN);
+	data_grid(ls_grid>0) = NaN;
 end