Index: /issm/trunk-jpl/src/m/plot/webgl.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19903)
+++ /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19904)
@@ -34,5 +34,5 @@
 	// Add context state variables
 	canvas.zoomFactor = options.getfieldvalue('zoomfactor',-.52);
-	canvas.zoomFactorMax = options.getfieldvalue('zoomfactor',-.52);
+	canvas.zoomBounds = options.getfieldvalue('zoombounds',[0,-.52]);
 	canvas.cameraMatrix = mat4.create();
 
@@ -68,14 +68,4 @@
 	return bufferArray;
 } //}}}
-function createSolidTexture(gl, r, g, b, a) {
-    var data = new Uint8Array([r, g, b, a]);
-    var texture = gl.createTexture();
-    gl.bindTexture(gl.TEXTURE_2D, texture);
-    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data);
-    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
-    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
-	gl.bindTexture(gl.TEXTURE_2D, null);
-    return texture;
-}
 function initTexture(gl,imageSource) { //{{{
 	var texture = gl.createTexture();
@@ -147,17 +137,4 @@
 	return modelMatrix;
 } //}}}
-function rgb(value, min, max,cmap) { //{{{
-	
-	var normalizedValue;
-					
-	var colorbar=colorbars[cmap];
-
-	value = clamp(value, min, max);
-	if((max-min)!=0) normalizedValue = (value - min) / (max - min);
-	else normalizedValue = value;
-
-	var index = clamp(Math.round(normalizedValue * colorbar.length), 0, colorbar.length - 1);
-	return colorbar[index];
-} //}}}
 function clamp(value, min, max) { //{{{
 	return Math.max(min, Math.min(value, max));
@@ -293,5 +270,5 @@
 	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.zoomFactorMax,0);
+	canvas.zoomFactor = clamp(canvas.zoomFactor + delta * canvas.zoomFactor,canvas.zoomBounds[0],canvas.zoomBounds[1]);
 } //}}}
 //}}}