Index: /issm/trunk-jpl/src/m/plot/processdata.py
===================================================================
--- /issm/trunk-jpl/src/m/plot/processdata.py	(revision 19433)
+++ /issm/trunk-jpl/src/m/plot/processdata.py	(revision 19434)
@@ -59,5 +59,5 @@
     
     #quiver plot
-    if datasize[1]>1:
+    if datasize[1]>1 and datasize[0]!= md.mesh.numberofvertices+1:
         if datasize[0]==md.mesh.numberofvertices and datasize[1]==2:
             datatype=3