Ovilia 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_r224354806
 
 

 ##########
 File path: src/chart/graph/categoryVisual.js
 ##########
 @@ -36,32 +36,19 @@ export default function (ecModel) {
             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 itemSymbolType = itemModel.getShallow('symbol', true);
-            if (itemSymbolType != null) {
-                categoriesData.setItemVisual(idx, 'symbol', itemSymbolType);
-            }
 
-            var itemSymbolSize = itemModel.getShallow('symbolSize', true);
-            if (itemSymbolSize != null) {
-                categoriesData.setItemVisual(idx, 'symbolSize', 
itemSymbolSize);
-            }
+            var symbolStyleList = 
['symbol','symbolSize','symbolKeepAspect','symbolOffset','symbolRotate']
 
-            var itemSymbolKeepAspect = 
itemModel.getShallow('symbolKeepAspect',true);
-            if (itemSymbolKeepAspect != null) {
-                categoriesData.setItemVisual(idx, 'symbolKeepAspect', 
itemSymbolKeepAspect);
-            }
-
-            var itemSymbolOffset = itemModel.getShallow('symbolOffset',true);
-            if (itemSymbolOffset != null) {
-                categoriesData.setItemVisual(idx, 'symbolOffset', 
itemSymbolOffset);
+            for(var i = 0;i < symbolStyleList.length;i++){
+                var symbolStyleItem = itemModel.getShallow(symbolStyleList[i], 
true);
 
 Review comment:
   Did you test `graph-symbol.html`? It seems 
`itemModel.getShallow('symbolOffset', true)` always return undefined, so that 
`symbolOffset: ['30%', 0]` is config is not used. This doesn't seem right.

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