use selection stashes when animating axes

Author: etpinard

src/plots/cartesian/transition_axes.js

@@ -239,16 +239,12 @@ module.exports = function transitionAxes(gd, newLayout, transitionOpts, makeOnCo
 
         subplot.plot
             .call(Drawing.setTranslate, plotDx, plotDy)
-            .call(Drawing.setScale, xScaleFactor, yScaleFactor)
+            .call(Drawing.setScale, xScaleFactor, yScaleFactor);
 
-            // This is specifically directed at scatter traces, applying an inverse
-            // scale to individual points to counteract the scale of the trace
-            // as a whole:
-            .selectAll('.points').selectAll('.point')
-                .call(Drawing.setPointGroupScale, 1 / xScaleFactor, 1 / yScaleFactor);
-
-        subplot.plot.selectAll('.points').selectAll('.textpoint')
-            .call(Drawing.setTextPointsScale, 1 / xScaleFactor, 1 / yScaleFactor);
+        // apply an inverse scale to individual points to counteract
+        // the scale of the trace group.
+        Drawing.setPointGroupScale(subplot.zoomScalePts, 1 / xScaleFactor, 1 / yScaleFactor);
+        Drawing.setTextPointsScale(subplot.zoomScaleTxt, 1 / xScaleFactor, 1 / yScaleFactor);
     }
 
     var onComplete;