| |
| <!-- |
| 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. |
| --> |
| |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="lib/simpleRequire.js"></script> |
| <script src="lib/config.js"></script> |
| <link rel="stylesheet" href="lib/reset.css"> |
| </head> |
| <body> |
| <style> |
| </style> |
| <div id="main"></div> |
| |
| <script> |
| |
| // Schema: |
| // date,AQIindex,PM2.5,PM10,CO,NO2,SO2 |
| var schema = [ |
| {name: 'date', index: 0, text: '日期'}, |
| {name: 'AQIindex', index: 1, text: 'AQI指数'}, |
| {name: 'PM25', index: 2, text: 'PM2.5'}, |
| {name: 'PM10', index: 3, text: 'PM10'}, |
| {name: 'CO', index: 4, text: '一氧化碳 (CO)'}, |
| {name: 'NO2', index: 5, text: '二氧化氮 (NO2)'}, |
| {name: 'SO2', index: 6, text: '二氧化硫 (SO2)'} |
| ]; |
| |
| require([ |
| 'data/aqi/BJdata', |
| 'data/aqi/GZdata', |
| 'data/aqi/SHdata', |
| 'echarts' |
| ], function (dataBJ, dataGZ, dataSH, echarts) { |
| |
| var chart = echarts.init(document.getElementById('main')); |
| |
| var dimSize = 6; |
| var nameList = ['北京', '广州', '上海']; |
| |
| var color = ['#5793f3', '#d14a61', '#fd9c35']; |
| |
| function update(isLazy) { |
| var idx = 0; |
| var axisPointerLinkList = []; |
| var axisPointerLinkMap = {}; |
| for (var i = 1; i < dimSize; i++) { |
| for (var j = 1; j < dimSize; j++) { |
| var id = i + '-' + j; |
| |
| var linkItem = axisPointerLinkMap['x' + i]; |
| if (!linkItem) { |
| linkItem = axisPointerLinkMap['x' + i] = {xAxisId: []}; |
| axisPointerLinkList.push(linkItem); |
| } |
| linkItem.xAxisId.push(id); |
| |
| var linkItem = axisPointerLinkMap['y' + j]; |
| if (!linkItem) { |
| linkItem = axisPointerLinkMap['y' + j] = {yAxisId: []}; |
| axisPointerLinkList.push(linkItem); |
| } |
| linkItem.yAxisId.push(id); |
| |
| chart.setOption({ |
| tooltip: { |
| trigger: 'none' |
| }, |
| axisPointer: { |
| show: true, |
| snap: true, |
| lineStyle: { |
| type: 'dashed' |
| }, |
| link: axisPointerLinkList |
| }, |
| grid: [{ |
| id: id, |
| left: ((i - 1) / dimSize * 100 + 7) + '%', |
| top: ((j - 1) / dimSize * 100 + 7) + '%', |
| width: '15%', |
| height: '15%' |
| }], |
| xAxis: [{ |
| id: id, |
| gridId: id, |
| // gridIndex: idx, |
| axisLabel: { |
| show: j === dimSize - 1 |
| }, |
| axisTick: { |
| show: j === dimSize - 1 |
| }, |
| name: j === dimSize - 1 ? schema[i].text : '', |
| nameLocation: 'middle', |
| nameGap: 30, |
| splitNumber: 3 |
| }], |
| yAxis: [{ |
| id: id, |
| gridId: id, |
| // gridIndex: idx, |
| axisLabel: { |
| show: i === 1 |
| }, |
| axisTick: { |
| show: i === 1 |
| }, |
| name: i === 1 ? schema[j].text : '', |
| nameLocation: 'middle', |
| nameGap: 30, |
| splitNumber: 4 |
| }], |
| series: [dataBJ, dataGZ, dataSH].map(function (data, dataIdx) { |
| return { |
| id: id + '-' + dataIdx, |
| hoverAnimation: false, |
| name: nameList[dataIdx], |
| type: 'scatter', |
| xAxisId: id, |
| yAxisId: id, |
| // xAxisIndex: idx, |
| // yAxisIndex: idx, |
| data: data.map(function (item) { |
| return [item[i], item[j]]; |
| }), |
| itemStyle: { |
| normal: { |
| color: color[dataIdx] |
| } |
| } |
| }; |
| }) |
| }, false, isLazy); |
| |
| idx++; |
| } |
| } |
| } |
| |
| // console.time('update immediate'); |
| // update(false); |
| // console.timeEnd('update immediate'); |
| |
| // chart.clear(); |
| |
| setTimeout(function () { |
| console.time('update lazy'); |
| update(true); |
| console.timeEnd('update lazy'); |
| }, 200); |
| }); |
| |
| </script> |
| </body> |
| </html> |
