Fixes #2274 graph3d disappears when setSize is called (#2293)

lib/graph3d/Graph3d.js

@@ -708,19 +708,15 @@ Graph3d.prototype.create = function () {
 
 /**
  * Set a new size for the graph
- *
- * @param {string} width  Width in pixels or percentage (for example '800px'
- *                        or '50%')
- * @param {string} height Height in pixels or percentage  (for example '400px'
- *                        or '30%')
  */
-Graph3d.prototype.setSize = function(width, height) {
+Graph3d.prototype._setSize = function(width, height) {
   this.frame.style.width = width;
   this.frame.style.height = height;
 
   this._resizeCanvas();
 };
 
+
 /**
  * Resize the canvas to the current size of the frame
  */
@@ -847,7 +843,7 @@ Graph3d.prototype.setOptions = function (options) {
   Settings.setOptions(options, this);
 
   this.setPointDrawingMethod();
-  this.setSize(this.width, this.height);
+  this._setSize(this.width, this.height);
 
   // re-load the data
   if (this.dataTable) {
@@ -2365,6 +2361,19 @@ Graph3d.prototype.setCameraPosition = function(pos) {
 };
 
 
+/**
+ * Set a new size for the graph
+ *
+ * @param {string} width  Width in pixels or percentage (for example '800px'
+ *                        or '50%')
+ * @param {string} height Height in pixels or percentage  (for example '400px'
+ *                        or '30%')
+ */
+Graph3d.prototype.setSize = function(width, height) {
+	this._setSize(width, height);
+	this.redraw();
+};
+
 // -----------------------------------------------------------------------------
 //  End public methods for specific settings
 // -----------------------------------------------------------------------------