Index: /issm/trunk-jpl/src/m/plot/plot_unit.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/plot_unit.js	(revision 19904)
+++ /issm/trunk-jpl/src/m/plot/plot_unit.js	(revision 19905)
@@ -62,27 +62,10 @@
 		//element plot {{{
 		case 1:
-
 			pos=ArrayFindNot(data,NaN); //needed for element on water
 			if (elements[0].length==6){ //prisms
-
-				/*A=elements(pos,1); B=elements(pos,2); C=elements(pos,3); D=elements(pos,4); E=elements(pos,5); F=elements(pos,6);
-				  patch( 'Faces', [A B C],  'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces', [D E F],  'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces', [A B E D],'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces', [B E F C],'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces', [C A D F],'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  */
 			}
 			else if (elements[0].length==4){ //tetras
-				/*A=elements(:,1); B=elements(:,2); C=elements(:,3); D=elements(:,4);
-				  patch( 'Faces',[A B C],'Vertices', [x y z],'CData',data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces',[A B D],'Vertices', [x y z],'CData',data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces',[B C D],'Vertices', [x y z],'CData',data(pos),'FaceColor','flat','EdgeColor',edgecolor);
-				  patch( 'Faces',[C A D],'Vertices', [x y z],'CData',data(pos),'FaceColor','flat','EdgeColor',edgecolor);*/
 			}
 			else{ //2D triangular elements
-				
-				/*A=elements(pos,1); B=elements(pos,2); C=elements(pos,3);
-				  patch( 'Faces', [A B C], 'Vertices', [x y z],'CData', data(pos),'FaceColor','flat','EdgeColor',edgecolor);*/
 			}
 			break;
@@ -90,19 +73,7 @@
 		//node plot {{{
 		case 2:
-
 			if (elements[0].length==6){ //prisms
-				/*A=elements(:,1); B=elements(:,2); C=elements(:,3); D=elements(:,4); E=elements(:,5); F=elements(:,6);
-				  patch( 'Faces', [A B C],  'Vertices', [x y z],'FaceVertexCData', data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces', [D E F],  'Vertices', [x y z],'FaceVertexCData', data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces', [A B E D],'Vertices', [x y z],'FaceVertexCData', data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces', [B E F C],'Vertices', [x y z],'FaceVertexCData', data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces', [C A D F],'Vertices', [x y z],'FaceVertexCData', data(:),'FaceColor','interp','EdgeColor',edgecolor);*/
 			}
-			else if (elements[0].length==4){//tetras
-				/*A=elements(:,1); B=elements(:,2); C=elements(:,3); D=elements(:,4);
-				  patch( 'Faces',[A B C],'Vertices', [x y z],'FaceVertexCData',data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces',[A B D],'Vertices', [x y z],'FaceVertexCData',data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces',[B C D],'Vertices', [x y z],'FaceVertexCData',data(:),'FaceColor','interp','EdgeColor',edgecolor);
-				  patch( 'Faces',[C A D],'Vertices', [x y z],'FaceVertexCData',data(:),'FaceColor','interp','EdgeColor',edgecolor);*/
+			else if (elements[0].length==4){ //tetras
 			}
 			else{ //triangular elements	
Index: /issm/trunk-jpl/src/m/plot/webgl.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19904)
+++ /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19905)
@@ -270,5 +270,6 @@
 	var e = window.event || e; // old IE support
 	var delta = 1/10 * clamp((e.scale || e.wheelDelta || -e.detail), -1, 1);
-	canvas.zoomFactor = clamp(canvas.zoomFactor + delta * canvas.zoomFactor,canvas.zoomBounds[0],canvas.zoomBounds[1]);
+	canvas.zoomFactor = clamp(canvas.zoomFactor - delta * canvas.zoomFactor, canvas.zoomBounds[1],canvas.zoomBounds[0]);
+	console.log(canvas.zoomFactor);
 } //}}}
 //}}}