fix for 3d scenes modifying axes range to linear

Author: alexcjohnson

src/plot_api/plot_api.js

@@ -2461,6 +2461,15 @@ function getDiffFlags(oldContainer, newContainer, outerparts, opts) {
         var wasArray = Array.isArray(oldVal);
         var nowArray = Array.isArray(newVal);
 
+        // hack for traces that modify the data in supplyDefaults, like
+        // converting 1D to 2D arrays, which will always create new objects
+        if(wasArray && nowArray) {
+            var inputKey = '_input_' + key;
+            var oldValIn = oldContainer[inputKey];
+            var newValIn = newContainer[inputKey];
+            if(Array.isArray(oldValIn) && oldValIn === newValIn) continue;
+        }
+
         if(newVal === undefined) {
             if(canBeDataArray && wasArray) flags.calc = true;
             else changed();
@@ -2502,12 +2511,6 @@ function getDiffFlags(oldContainer, newContainer, outerparts, opts) {
         }
         else if(canBeDataArray) {
             if(wasArray && nowArray) {
-                // hack for traces that modify the data in supplyDefaults, like
-                // converting 1D to 2D arrays, which will always create new objects
-                var inputKey = '_input_' + key;
-                var oldValIn = oldContainer[inputKey];
-                var newValIn = newContainer[inputKey];
-                if(Array.isArray(oldValIn) && oldValIn === newValIn) continue;
 
                 // don't try to diff two data arrays. If immutable we know the data changed,
                 // if not, assume it didn't and let `layout.datarevision` tell us if it did

src/plots/gl3d/layout/tick_marks.js

@@ -50,6 +50,7 @@ function computeTickMarks(scene) {
         if(Math.abs(axes._length) === Infinity) {
             ticks[i] = [];
         } else {
+            axes._input_range = axes.range.slice();
             axes.range[0] = (glRange[i].lo) / scene.dataScale[i];
             axes.range[1] = (glRange[i].hi) / scene.dataScale[i];
             axes._m = 1.0 / (scene.dataScale[i] * glRange[i].pixelsPerDataUnit);
@@ -77,6 +78,7 @@ function computeTickMarks(scene) {
 
 
             axes.tickmode = tickModeCached;
+            // axes.range = rangeCached;
         }
     }