Index: /issm/trunk/src/m/model/plot/plot_gridded.m
===================================================================
--- /issm/trunk/src/m/model/plot/plot_gridded.m	(revision 10411)
+++ /issm/trunk/src/m/model/plot/plot_gridded.m	(revision 10412)
@@ -7,5 +7,5 @@
 %   See also: PLOTMODEL
 
-whiteup=false;
+whitepos=2; %1: up, 2: down, else: none
 
 %process mesh and data
@@ -37,12 +37,13 @@
 	data_max=max(data_grid(:));
 end
-if whiteup,
+if whitepos==1,
 	white  =data_max + (data_max-data_min)/55;
 	options=changefieldvalue(options,'caxis',[data_min white]);
-else
+	data_grid(isnan(data_grid))=white;
+elseif whitepos==2,
 	white  =data_min - (data_max-data_min)/55;
 	options=changefieldvalue(options,'caxis',[white data_max]);
+	data_grid(isnan(data_grid))=white;
 end
-data_grid(isnan(data_grid))=white;
 
 %Select plot area 
@@ -52,7 +53,7 @@
 h=imagesc(xlim,ylim,data_grid);set(gca,'YDir','normal');
 map=getfieldvalue(options,'colormap',jet);
-if whiteup,
+if whitepos==1,
 	map(end,:)=[1 1 1];
-else
+elseif whitepos==2,
 	map(1,:)=[1 1 1];
 end