| |
| <!-- |
| 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> |
| <script src='lib/jquery.min.js'></script> |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> |
| </head> |
| <body> |
| <style> |
| html, body, #main { |
| width: 100%; |
| height: 100%; |
| margin: 0; |
| } |
| #next { |
| position: absolute; |
| left: 10px; |
| top: 10px; |
| } |
| </style> |
| <div id='main'></div> |
| <button id="next">NEXT</button> |
| <script> |
| |
| require([ |
| 'echarts', |
| 'data/usa.json' |
| ], function (echarts, geojson) { |
| |
| echarts.registerMap('USA', geojson, { |
| Alaska: { // 把阿拉斯加移到美国主大陆左下方 |
| left: -131, |
| top: 25, |
| width: 15 |
| }, |
| Hawaii: { |
| left: -110, // 夏威夷 |
| top: 28, |
| width: 5 |
| }, |
| 'Puerto Rico': { // 波多黎各 |
| left: -76, |
| top: 26, |
| width: 2 |
| } |
| }); |
| |
| const tmpChart = echarts.init(document.createElement('div'), null, { |
| width: window.innerWidth, |
| height: window.innerHeight |
| }); |
| tmpChart.setOption({ |
| geo: { |
| map: 'USA' |
| } |
| }); |
| |
| const geo = tmpChart.getModel().getComponent('geo').coordinateSystem; |
| const regionsMap = geo.regions.reduce(function (obj, region) { |
| obj[region.properties.name] = region; |
| return obj; |
| }, {}); |
| |
| const transform = geo.transform; |
| |
| const data = [ |
| {name: 'Alabama', value: 4822023}, |
| {name: 'Alaska', value: 731449}, |
| {name: 'Arizona', value: 6553255}, |
| {name: 'Arkansas', value: 2949131}, |
| {name: 'California', value: 38041430}, |
| {name: 'Colorado', value: 5187582}, |
| {name: 'Connecticut', value: 3590347}, |
| {name: 'Delaware', value: 917092}, |
| {name: 'District of Columbia', value: 632323}, |
| {name: 'Florida', value: 19317568}, |
| {name: 'Georgia', value: 9919945}, |
| {name: 'Hawaii', value: 1392313}, |
| {name: 'Idaho', value: 1595728}, |
| {name: 'Illinois', value: 12875255}, |
| {name: 'Indiana', value: 6537334}, |
| {name: 'Iowa', value: 3074186}, |
| {name: 'Kansas', value: 2885905}, |
| {name: 'Kentucky', value: 4380415}, |
| {name: 'Louisiana', value: 4601893}, |
| {name: 'Maine', value: 1329192}, |
| {name: 'Maryland', value: 5884563}, |
| {name: 'Massachusetts', value: 6646144}, |
| {name: 'Michigan', value: 9883360}, |
| {name: 'Minnesota', value: 5379139}, |
| {name: 'Mississippi', value: 2984926}, |
| {name: 'Missouri', value: 6021988}, |
| {name: 'Montana', value: 1005141}, |
| {name: 'Nebraska', value: 1855525}, |
| {name: 'Nevada', value: 2758931}, |
| {name: 'New Hampshire', value: 1320718}, |
| {name: 'New Jersey', value: 8864590}, |
| {name: 'New Mexico', value: 2085538}, |
| {name: 'New York', value: 19570261}, |
| {name: 'North Carolina', value: 9752073}, |
| {name: 'North Dakota', value: 699628}, |
| {name: 'Ohio', value: 11544225}, |
| {name: 'Oklahoma', value: 3814820}, |
| {name: 'Oregon', value: 3899353}, |
| {name: 'Pennsylvania', value: 12763536}, |
| {name: 'Rhode Island', value: 1050292}, |
| {name: 'South Carolina', value: 4723723}, |
| {name: 'South Dakota', value: 833354}, |
| {name: 'Tennessee', value: 6456243}, |
| {name: 'Texas', value: 26059203}, |
| {name: 'Utah', value: 2855287}, |
| {name: 'Vermont', value: 626011}, |
| {name: 'Virginia', value: 8185867}, |
| {name: 'Washington', value: 6897012}, |
| {name: 'West Virginia', value: 1855413}, |
| {name: 'Wisconsin', value: 5726398}, |
| {name: 'Wyoming', value: 576412}, |
| {name: 'Puerto Rico', value: 3667084} |
| ]; |
| |
| const myChart = echarts.init(document.getElementById('main')); |
| |
| function createMapOption() { |
| return { |
| series: [{ |
| coordinateSystem: 'none', |
| type: 'custom', |
| data, |
| animationDurationUpdate: 2000, |
| universalTransition: { |
| enabled: true |
| }, |
| renderItem(params, api) { |
| const dataItem = data[params.dataIndex]; |
| const geometries = regionsMap[dataItem.name].geometries.slice(); |
| // Pick the main polygon |
| // TODO Multipolygon |
| geometries.sort((a, b) => b.exterior.length - a.exterior.length); |
| const points = geometries[0].exterior; |
| const newPoints = []; |
| for (let i = 0; i < points.length; i++) { |
| newPoints.push([ |
| points[i][0] * transform[0] + transform[4], |
| points[i][1] * transform[3] + transform[5] |
| ]); |
| } |
| return { |
| type: 'polygon', |
| shape: { |
| points: newPoints |
| }, |
| style: { |
| fill: '#aaa', |
| stroke: '#555', |
| strokeNoScale: true |
| } |
| } |
| } |
| }] |
| }; |
| } |
| |
| function renderBarItem(params, api) { |
| const dataItem = data[params.dataIndex]; |
| const start = api.coord([params.dataIndex, 0]); |
| const size = api.size([0, api.value(1)]); |
| const width = 20; |
| return { |
| type: 'rect', |
| shape: { |
| x: start[0] - width / 2, |
| y: start[1], |
| width: width, |
| height: -size[1] |
| }, |
| style: { |
| fill: '#aaa', |
| stroke: '#555', |
| strokeNoScale: true |
| }, |
| }; |
| } |
| |
| |
| function renderBubbleItem(params, api) { |
| const dataItem = data[params.dataIndex]; |
| const center = api.coord([params.dataIndex, api.value(1)]); |
| return { |
| type: 'circle', |
| shape: { |
| cx: center[0], |
| cy: center[1], |
| r: api.value(1) / 5e5 |
| }, |
| style: { |
| fill: '#aaa', |
| stroke: '#555', |
| strokeNoScale: true |
| }, |
| }; |
| } |
| |
| function createCartesianOption(renderItem) { |
| return { |
| xAxis: { |
| data: data.map(item => item.name) |
| }, |
| yAxis: { |
| }, |
| series: [{ |
| type: 'custom', |
| data, |
| animationDurationUpdate: 2000, |
| universalTransition: { |
| enabled: true |
| }, |
| renderItem |
| }] |
| }; |
| } |
| |
| function createPieOption(renderItem) { |
| const pieData = data.slice(); |
| pieData.reverse(); |
| const totalValue = pieData.reduce(function (val, item) { |
| return val + item.value; |
| }, 0); |
| let angles = []; |
| let currentAngle = -Math.PI / 2; |
| for (let i = 0; i < pieData.length; i++) { |
| const angle = pieData[i].value / totalValue * Math.PI * 2; |
| angles.push([currentAngle, angle + currentAngle]); |
| currentAngle += angle; |
| } |
| return { |
| series: [{ |
| type: 'custom', |
| coordinateSystem: 'none', |
| data: pieData, |
| animationDurationUpdate: 2000, |
| universalTransition: { |
| enabled: true |
| }, |
| renderItem(params, api) { |
| const width = myChart.getWidth(); |
| const height = myChart.getHeight(); |
| return { |
| type: 'sector', |
| shape: { |
| cx: width / 2, |
| cy: height / 2, |
| r: Math.min(width, height) / 3, |
| r0: Math.min(width, height) / 5, |
| startAngle: angles[params.dataIndex][0], |
| endAngle: angles[params.dataIndex][1], |
| clockwise: true |
| }, |
| style: { |
| fill: '#aaa', |
| stroke: '#555', |
| strokeNoScale: true |
| }, |
| }; |
| } |
| }] |
| }; |
| } |
| |
| const options = [ |
| createMapOption(), |
| createCartesianOption(renderBarItem), |
| createCartesianOption(renderBubbleItem), |
| createPieOption() |
| ]; |
| |
| let currentIndex = 0; |
| myChart.setOption(options[currentIndex]); |
| |
| function transitionToNext() { |
| const nextIndex = (currentIndex + 1) % options.length; |
| myChart.setOption(options[nextIndex], true); |
| currentIndex = nextIndex; |
| } |
| |
| document.querySelector('#next').onclick = function () { |
| transitionToNext(); |
| } |
| }); |
| |
| </script> |
| </body> |
| </html> |
