100pah commented on a change in pull request #8997: Pie chart adds filterValue 
parameter
URL: https://github.com/apache/incubator-echarts/pull/8997#discussion_r225533152
 
 

 ##########
 File path: src/chart/pie/PieView.js
 ##########
 @@ -211,7 +211,20 @@ piePieceProto.updateData = function (data, idx, 
firstCreate) {
     graphic.setHoverStyle(this);
 };
 
-piePieceProto._updateLabel = function (data, idx) {
+piePieceProto._getFilterIgnore = function(data, idx) {
+    var seriesModel = data.hostModel;
+    var itemModel = data.getItemModel(idx);
+    var valueDim = data.mapDimension('value');
+    var sum = data.getSum(valueDim);
+    var filterValue = seriesModel.get('labelDisplayThreshold');
+    var filterIgnore = false;
+    if (sum * filterValue.option > itemModel.option.value) {
+        filterIgnore = true;
+    }
+    return filterIgnore;
 
 Review comment:
   Just 
   ```js
   return xxx * yyy > zzz;
   ```

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