skip over polar:

etpinard · etpinard · commit ffd4723f1d1a · 2016-05-06T11:51:21.000-04:00
- in default trace loop, so that basePlotModule remains []
  when polar is present
- return early in snapshot getDelay as polar somehow clear
  underscore variables e.g. _has()
diff --git a/src/plots/plots.js b/src/plots/plots.js
@@ -472,7 +472,7 @@ plots.supplyDefaults = function(gd) {
         newFullData.push(fullTrace);
 
         // detect polar
-        if('r' in fullTrace) newFullLayout._hasPolar = true;
+        if('r' in newData[i]) continue;
 
         _module = fullTrace._module;
         if(!_module) continue;
diff --git a/src/snapshot/index.js b/src/snapshot/index.js
@@ -10,6 +10,10 @@
 'use strict';
 
 function getDelay(fullLayout) {
+
+    // polar clears fullLayout._has for some reason
+    if(!fullLayout._has) return 0;
+
     // maybe we should add a 'gl' (and 'svg') layoutCategory ??
     return (fullLayout._has('gl3d')|| fullLayout._has('gl2d')) ? 500 : 0;
 }
