Vvvickie commented on a change in pull request #9171: fix #8009 & #5969, symbol 
symbolSize and opacity setting for category itemStyle in graph
URL: https://github.com/apache/incubator-echarts/pull/9171#discussion_r229862784
 
 

 ##########
 File path: src/chart/graph/categoryVisual.js
 ##########
 @@ -31,30 +31,53 @@ export default function (ecModel) {
             var name = categoriesData.getName(idx);
             // Add prefix to avoid conflict with Object.prototype.
             categoryNameIdxMap['ec-' + name] = idx;
-
             var itemModel = categoriesData.getItemModel(idx);
+
             var color = itemModel.get('itemStyle.color')
                 || seriesModel.getColorFromPalette(name, paletteScope);
             categoriesData.setItemVisual(idx, 'color', color);
+
+            var opacity = itemModel.get('itemStyle.opacity') || 1;
+            categoriesData.setItemVisual(idx, 'opacity', opacity);
+
+            var symbolStyleList = ['symbolSize', 'symbolKeepAspect'];
+            for (var i = 0; i < symbolStyleList.length; i++) {
+                var symbolStyleItem = itemModel.getShallow(symbolStyleList[i], 
true);
+                if (symbolStyleItem != null) {
+                    categoriesData.setItemVisual(idx, symbolStyleList[i], 
symbolStyleItem);
+                }
+            }
+
         });
 
         // Assign category color to visual
         if (categoriesData.count()) {
             data.each(function (idx) {
+                var itemModel = categoriesData.getItemModel(idx);
+                var symbol = itemModel.getShallow('symbol', true);
+                if (symbol) {
 
 Review comment:
   Actually it is what the issue for...
   So I just leave it there...? o.o

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