Index: /issm/trunk/src/m/classes/public/thicknessevolution.m
===================================================================
--- /issm/trunk/src/m/classes/public/thicknessevolution.m	(revision 1747)
+++ /issm/trunk/src/m/classes/public/thicknessevolution.m	(revision 1748)
@@ -17,4 +17,5 @@
 vx=md.vx;
 vy=md.vy;
+index=md.elements;
 
 %compute nodal functions coefficients N(x,y)=alpha x + beta y + gamma