fix case array marker.opacity + set unselected.marker.opacity

Author: etpinard

src/traces/scattergl/convert.js

@@ -43,7 +43,7 @@ function convertStyle(gd, trace) {
         opts.selected = convertMarkerSelection(trace, trace.selected);
         opts.unselected = convertMarkerSelection(trace, trace.unselected);
 
-        if(Array.isArray(trace.marker.opacity)) {
+        if(!trace.unselected && Array.isArray(trace.marker.opacity)) {
             var mo = trace.marker.opacity;
             opts.unselected.opacity = new Array(mo.length);
             for(i = 0; i < mo.length; i++) {

test/image/baselines/gl2d_selectedpoints.png

@@ -10,5 +10,24 @@
       "opacity": [0.9, 0.8, 0.7, 1, 0.6, 0.8]
     },
     "selectedpoints": [1, 4, 2]
-  }]
+  }, {
+    "name": "array marker opacity + set unselected.marker.opacity",
+    "type": "scattergl",
+    "mode": "markers",
+    "x": [1, 2, 3, 4, 5, 6],
+    "y": [3, 5, 4, 6, 7, 9],
+    "marker": {
+      "size": 20,
+      "opacity": [0.9, 0.8, 0.7, 1, 0.6, 0.8]
+    },
+    "unselected": {
+      "marker": {
+        "opacity": 0
+      }
+    },
+    "selectedpoints": [1, 4, 2]
+  }],
+  "layout": {
+    "showlegend": false
+  }
 }