commit 28884334ee7f1a429c84f5835af2a874e8fd673e
author Sean Condon <sean.condon@microsemi.com> Thu Mar 21 14:07:00 2019 +0000
committer Ray Milkey <ray@opennetworking.org> Tue Mar 26 14:36:47 2019 +0000
tree 7929a02db63d3b33ec60174332a96791925b7fe6
parent 5e3afe560d2e82bcab1cb051cf6bdd10d2baf2fd

GUI2 added in the layout topo overlay

Change-Id: I9960f95ae726a5af9950771ed67bcfc9d172e267

web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/layer/zoomable.directive.ts

diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/layer/zoomable.directive.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/layer/zoomable.directive.ts
index 9564444..8c3707b 100644
--- a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/layer/zoomable.directive.ts
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/layer/zoomable.directive.ts
@@ -54,8 +54,10 @@
 
         const zoomed = () => {
             const transform = d3.event.transform;
-            container.attr('transform', 'translate(' + transform.x + ',' + transform.y + ') scale(' + transform.k + ')');
-            this.updateZoomState(<TopoZoomPrefs>{tx: transform.x, ty: transform.y, sc: transform.k});
+            if (transform) {
+                container.attr('transform', 'translate(' + transform.x + ',' + transform.y + ') scale(' + transform.k + ')');
+                this.updateZoomState(<TopoZoomPrefs>{tx: transform.x, ty: transform.y, sc: transform.k});
+            }
         };
 
         this.zoom = d3.zoom().on('zoom', zoomed);