aaac7fed
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/*
* 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 * as zrUtil from 'zrender/src/core/util';
// FIXME 公用？
/**
* @param {Array.<module:echarts/data/List>} datas
* @param {string} statisticType 'average' 'sum'
* @inner
*/
function dataStatistics(datas, statisticType) {
var dataNameMap = {};
zrUtil.each(datas, function (data) {
data.each(data.mapDimension('value'), function (value, idx) {
// Add prefix to avoid conflict with Object.prototype.
var mapKey = 'ec-' + data.getName(idx);
dataNameMap[mapKey] = dataNameMap[mapKey] || [];
if (!isNaN(value)) {
dataNameMap[mapKey].push(value);
}
});
});
return datas[0].map(datas[0].mapDimension('value'), function (value, idx) {
var mapKey = 'ec-' + datas[0].getName(idx);
var sum = 0;
var min = Infinity;
var max = -Infinity;
var len = dataNameMap[mapKey].length;
for (var i = 0; i < len; i++) {
min = Math.min(min, dataNameMap[mapKey][i]);
max = Math.max(max, dataNameMap[mapKey][i]);
sum += dataNameMap[mapKey][i];
}
var result;
if (statisticType === 'min') {
result = min;
}
else if (statisticType === 'max') {
result = max;
}
else if (statisticType === 'average') {
result = sum / len;
}
else {
result = sum;
}
return len === 0 ? NaN : result;
});
}
export default function (ecModel) {
var seriesGroups = {};
ecModel.eachSeriesByType('map', function (seriesModel) {
var hostGeoModel = seriesModel.getHostGeoModel();
var key = hostGeoModel ? 'o' + hostGeoModel.id : 'i' + seriesModel.getMapType();
(seriesGroups[key] = seriesGroups[key] || []).push(seriesModel);
});
zrUtil.each(seriesGroups, function (seriesList, key) {
var data = dataStatistics(
zrUtil.map(seriesList, function (seriesModel) {
return seriesModel.getData();
}),
seriesList[0].get('mapValueCalculation')
);
for (var i = 0; i < seriesList.length; i++) {
seriesList[i].originalData = seriesList[i].getData();
}
// FIXME Put where?
for (var i = 0; i < seriesList.length; i++) {
seriesList[i].seriesGroup = seriesList;
seriesList[i].needsDrawMap = i === 0 && !seriesList[i].getHostGeoModel();
seriesList[i].setData(data.cloneShallow());
seriesList[i].mainSeries = seriesList[0];
}
});
}
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