| /* |
| * 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]; |
| } |
| }); |
| } |