Index: /issm/trunk-jpl/src/m/exp/contourlevelzero.m
===================================================================
--- /issm/trunk-jpl/src/m/exp/contourlevelzero.m	(revision 21823)
+++ /issm/trunk-jpl/src/m/exp/contourlevelzero.m	(revision 21824)
@@ -19,5 +19,5 @@
 
 if isempty(mask), error('mask provided is empty'); end
-	if length(mask)~=md.mesh.numberofvertices, error('mask provided should be specified at the vertices of the mesh'); end
+if length(mask)~=md.mesh.numberofvertices, error('mask provided should be specified at the vertices of the mesh'); end
 
 %initialization of some variables
@@ -59,7 +59,7 @@
 
 %find the segments that contain this value
-pos1=(Range1(:,1)<level & Range1(:,2)>level);
-pos2=(Range2(:,1)<level & Range2(:,2)>level);
-pos3=(Range3(:,1)<level & Range3(:,2)>level);
+pos1=(Range1(:,1)<level & Range1(:,2)>=level);
+pos2=(Range2(:,1)<level & Range2(:,2)>=level);
+pos3=(Range3(:,1)<level & Range3(:,2)>=level);
 
 %get elements
Index: /issm/trunk-jpl/src/m/plot/plot_contour.m
===================================================================
--- /issm/trunk-jpl/src/m/plot/plot_contour.m	(revision 21823)
+++ /issm/trunk-jpl/src/m/plot/plot_contour.m	(revision 21824)
@@ -270,5 +270,5 @@
 	else
 		%clabel(c,h,'color',color,'FontSize',10,'labelspacing',20000);
-		clabel(c,h,'FontSize',10,'labelspacing',20000);
-	end
-end
+		%clabel(c,h,'FontSize',10,'labelspacing',20000);
+	end
+end