fix(legend): fix radar legend

src/chart/radar/RadarSeries.ts

@@ -160,8 +160,7 @@ class RadarSeriesModel extends SeriesModel<RadarSeriesOption> {
         // areaStyle: {
         // },
         // itemStyle: {}
-        symbol: 'emptyCircle',
-        symbolSize: 4
+        symbolSize: 8
         // symbolRotate: null
     };
 }

src/component/radar/install.ts

@@ -32,13 +32,12 @@ export function install(registers: EChartsExtensionInstallRegisters) {
         seriesType: 'radar',
         reset: function (seriesModel: RadarSeriesModel) {
             const data = seriesModel.getData();
-            let symbol = data.getVisual('symbol');
-            // Use roundRect if no symbol type
-            (!symbol || symbol === 'none') && (symbol = 'roundRect');
-
+            // itemVisual symbol is for selected data
             data.each(function (idx) {
-                data.setItemVisual(idx, 'legendSymbol', symbol);
+                data.setItemVisual(idx, 'legendSymbol', 'roundRect');
             });
+            // visual is for unselected data
+            data.setVisual('legendSymbol', 'roundRect');
         }
     })
 }
\ No newline at end of file

src/util/symbol.ts

@@ -315,6 +315,9 @@ function symbolPathSetColor(this: ECSymbol, color: ZRColor, innerColor?: string)
             // TODO Same width with lineStyle in LineView
             symbolStyle.lineWidth = 2;
         }
+        else if (this.shape.symbolType === 'line') {
+            symbolStyle.stroke = color;
+        }
         else {
             symbolStyle.fill = color;
         }