Index: /issm/trunk/src/m/model/extrude.m
===================================================================
--- /issm/trunk/src/m/model/extrude.m	(revision 8234)
+++ /issm/trunk/src/m/model/extrude.m	(revision 8235)
@@ -193,4 +193,5 @@
 md.spctemperature=project3d(md,md.spctemperature,'node',md.numlayers);
 md.spcthickness=project3d(md,md.spcthickness,'node');
+md.diagnostic_ref=project3d(md,md.diagnostic_ref,'node');
 
 %in 3d, pressureload: [grid1 grid2 grid3 grid4 element]