Heatmap: Fix render bug when zsmooth: 'fast'

mdtusz · mdtusz · commit 13a32d7b3413 · 2016-05-18T11:41:56.000-04:00
diff --git a/src/traces/heatmap/plot.js b/src/traces/heatmap/plot.js
@@ -323,7 +323,7 @@ function plotOne(gd, plotinfo, cd) {
             for(j = 0; j < m; j++) {
                 row = z[j];
                 yb = ypx(j);
-                for(i = 0; i < n; i++) {
+                for(i = 0; i < imageWidth; i++) {
                     c = setColor(row[i], 1);
                     pxIndex = (yb * imageWidth + xpx(i)) * 4;
                     putColor(pixels, pxIndex, c);
diff --git a/test/image/baselines/Earth_heatmap.png b/test/image/baselines/Earth_heatmap.png
diff --git a/test/image/mocks/Earth_heatmap.json b/test/image/mocks/Earth_heatmap.json
@@ -2604,7 +2604,8 @@
         ]
       ],
       "scl": "Earth",
-      "type": "heatmap"
+      "type": "heatmap",
+      "zsmooth": "fast"
     }
   ],
   "layout": {
