fix for restyle calls

Author: archmoj

src/plots/gl3d/layout/defaults.js

@@ -101,25 +101,27 @@ function handleGl3dDefaults(sceneLayoutIn, sceneLayoutOut, coerce, opts) {
         sceneLayoutIn.dragmode = 'turntable';
     }
 
-    if(sceneLayoutIn.dragmode !== undefined) {
-        // Because the default is now set to orbit mode
-        // (i.e. in order to apply camera.z.up at init time)
-        // we set turnable our disarable option here.
-
-        if(sceneLayoutIn.camera &&
-            sceneLayoutIn.camera.up) {
-
-            var x = sceneLayoutIn.camera.up.x;
-            var y = sceneLayoutIn.camera.up.y;
-            var z = sceneLayoutIn.camera.up.z;
-
-            if(!x || !y || !z) {
-                enableTurnTable();
-            } else if(z / Math.sqrt(x * x + y * y + z * z) > 0.999) {
+    if(sceneLayoutIn.dragmode !== false) {
+        if(!sceneLayoutIn.dragmode) {
+            // Because the default is now set to orbit mode
+            // (i.e. in order to apply camera.z.up at init time)
+            // we set turnable our disarable option here.
+
+            if(sceneLayoutIn.camera &&
+                sceneLayoutIn.camera.up) {
+
+                var x = sceneLayoutIn.camera.up.x;
+                var y = sceneLayoutIn.camera.up.y;
+                var z = sceneLayoutIn.camera.up.z;
+
+                if(!x || !y || !z) {
+                    enableTurnTable();
+                } else if(z / Math.sqrt(x * x + y * y + z * z) > 0.999) {
+                    enableTurnTable();
+                }
+            } else {
                 enableTurnTable();
             }
-        } else {
-            enableTurnTable();
         }
     }