Merge pull request #643 from plotly/mesh3d-image-test

Add gl3d colorscale mock and baseline

Author: mdtusz

test/image/baselines/gl3d_tet_colorscale.png

@@ -0,0 +1,22 @@
+{
+  "data": [
+    {
+      "type":"mesh3d",
+      "y":[0, 0, 1, 2],
+      "x":[0, 1, 2, 0],
+      "z":[0, 2, 0, 1],
+      "i":[0, 0, 0, 1],
+      "j":[1, 2, 3, 2],
+      "k":[2, 3, 1, 3],
+      "colorscale": [
+        [0, "rgb(0, 0, 0)"],
+        [0.33, "rgb(255, 0, 0)"],
+        [0.66, "rgb(0, 255, 0)"],
+        [1, "rgb(0, 0, 255)"]
+      ],
+      "intensity": [0, 0.33, 0.66, 1]
+    }],
+  "layout": {
+    "title": "Tetrahedra Custom Colorscale"
+  }
+}