Index: /issm/trunk-jpl/src/m/plot/plot_unit.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/plot_unit.js	(revision 19762)
+++ /issm/trunk-jpl/src/m/plot/plot_unit.js	(revision 19763)
@@ -97,6 +97,5 @@
 					vertices[vertices.length] = x[i];
 					vertices[vertices.length] = y[i];
-					//vertices[vertices.length] = z[i];
-					vertices[vertices.length] = 0;
+					vertices[vertices.length] = z[i];
 
 					//handle mesh/qinterest size mismatch