80 lines
2.5 KiB
Plaintext
80 lines
2.5 KiB
Plaintext
define(function (require) {
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var zrUtil = require('zrender/core/util');
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// FIXME 公用？
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/**
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* @param {Array.<module:echarts/data/List>} datas
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* @param {string} statisticsType 'average' 'sum'
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* @inner
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*/
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function dataStatistics(datas, statisticsType) {
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var dataNameMap = {};
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var dims = ['value'];
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for (var i = 0; i < datas.length; i++) {
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datas[i].each(dims, function (value, idx) {
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var name = datas[i].getName(idx);
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dataNameMap[name] = dataNameMap[name] || [];
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if (!isNaN(value)) {
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dataNameMap[name].push(value);
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}
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});
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}
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return datas[0].map(dims, function (value, idx) {
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var name = datas[0].getName(idx);
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var sum = 0;
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var min = Infinity;
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var max = -Infinity;
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var len = dataNameMap[name].length;
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for (var i = 0; i < len; i++) {
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min = Math.min(min, dataNameMap[name][i]);
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max = Math.max(max, dataNameMap[name][i]);
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sum += dataNameMap[name][i];
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}
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var result;
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if (statisticsType === 'min') {
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result = min;
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}
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else if (statisticsType === 'max') {
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result = max;
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}
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else if (statisticsType === 'average') {
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result = sum / len;
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}
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else {
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result = sum;
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}
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return len === 0 ? NaN : result;
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});
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}
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return function (ecModel) {
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var seriesGroupByMapType = {};
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ecModel.eachSeriesByType('map', function (seriesModel) {
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var mapType = seriesModel.get('map');
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seriesGroupByMapType[mapType] = seriesGroupByMapType[mapType] || [];
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seriesGroupByMapType[mapType].push(seriesModel);
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});
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zrUtil.each(seriesGroupByMapType, function (seriesList, mapType) {
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var data = dataStatistics(
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zrUtil.map(seriesList, function (seriesModel) {
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return seriesModel.getData();
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}),
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seriesList[0].get('mapValueCalculation')
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);
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seriesList[0].seriesGroup = [];
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seriesList[0].setData(data);
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// FIXME Put where?
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for (var i = 0; i < seriesList.length; i++) {
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seriesList[i].seriesGroup = seriesList;
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seriesList[i].needsDrawMap = i === 0;
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}
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});
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};
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}); |