Index: /issm/trunk-jpl/src/m/plot/plot_contour.py
===================================================================
--- /issm/trunk-jpl/src/m/plot/plot_contour.py	(revision 20920)
+++ /issm/trunk-jpl/src/m/plot/plot_contour.py	(revision 20921)
@@ -34,8 +34,8 @@
 	# retrieve necessary options
 	levels=options.getfieldvalue('contourlevels')
-	colors=options.getfieldvalue('contourcolors')
 	norm=options.getfieldvalue('colornorm')
-	linestyles=options.getfieldvalue('contourlinestyles')
-	linewidths=options.getfieldvalue('contourlinewidths')
+	colors=options.getfieldvalue('contourcolors','y')
+	linestyles=options.getfieldvalue('contourlinestyles','-')
+	linewidths=options.getfieldvalue('contourlinewidths',1)
 
 	ax.tricontour(x,y,elements,data,levels,colors=colors,norm=norm,linestyles=linestyles,linewidths=linewidths)