echarts negativeDataFilter 源码
echarts negativeDataFilter 代码
文件路径：/src/processor/negativeDataFilter.ts
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { isNumber } from 'zrender/src/core/util';
import { StageHandler } from '../util/types';
export default function negativeDataFilter(seriesType: string): StageHandler {
return {
seriesType: seriesType,
reset: function (seriesModel, ecModel) {
const data = seriesModel.getData();
data.filterSelf(function (idx) {
// handle negative value condition
const valueDim = data.mapDimension('value');
const curValue = data.get(valueDim, idx);
if (isNumber(curValue) && !isNaN(curValue) && curValue < 0) {
return false;
}
return true;
});
}
};
}
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