update doc

Author: likangning93

Apps/Sandcastle/gallery/Geographic Limit Rectangle.html

@@ -44,7 +44,6 @@
 
 for (var i = 0; i < 10; i++) {
     rectangles.push(viewer.entities.add({
-        name : 'EPSG 2093 bounds',
         rectangle : {
             coordinates : coffeeBeltRectangle,
             material : Cesium.Color.WHITE.withAlpha(0.0),
@@ -65,7 +64,7 @@
 });
 
 var limited = true;
-Sandcastle.addToolbarButton('enable/disable limiter', function() {
+Sandcastle.addToolbarButton('Enable/Disable Limiter', function() {
     if (limited) {
         viewer.scene.globe.geographicLimitRectangle = Cesium.Rectangle.MAX_VALUE;
         limited = false;

Source/Scene/GlobeSurfaceShaderSet.js

@@ -86,7 +86,7 @@ define([
 
         var geographicLimitRectangleFlag = 0;
         var geographicLimitRectangleDefine = '';
-        if (clippedByBoundaries) {//} && frameState.mode !== SceneMode.SCENE3D) {
+        if (clippedByBoundaries) {
             geographicLimitRectangleFlag = 1;
             geographicLimitRectangleDefine = 'TILE_LIMIT_RECTANGLE';
         }

Source/Scene/GlobeSurfaceTileProvider.js

@@ -172,8 +172,7 @@ define([
         this._clippingPlanes = undefined;
 
         /**
-         * A property specifying a {@link Rectangle} used to selectively prevent tiles outside a region from loading.
-         * For limiting terrain in scenes that use custom projections or Proj4JS projections that cause overlapping tiles.
+         * A property specifying a {@link Rectangle} used to selectively limit terrain and imagery rendering.
          * @type {Rectangle}
          */
         this.geographicLimitRectangle = Rectangle.clone(Rectangle.MAX_VALUE);