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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| import { | ||
| HeatmapLayer, | ||
| LayerEvent, | ||
| LineLayer, | ||
| MapboxScene, | ||
| Marker, | ||
| PointLayer, | ||
| PolygonLayer, | ||
| Popup, | ||
| } from '@antv/l7-react'; | ||
| import * as React from 'react'; | ||
| import ReactDOM from 'react-dom'; | ||
| const colors = | ||
| ['#f7fcf0','#e0f3db','#ccebc5','#a8ddb5','#7bccc4','#4eb3d3','#2b8cbe','#08589e'].reverse(); | ||
| function joinData(geodata: any, ncovData: any) { | ||
| const ncovDataObj: any = {}; | ||
| ncovData.forEach((item: any) => { | ||
| const { | ||
| countryName, | ||
| countryEnglishName, | ||
| currentConfirmedCount, | ||
| confirmedCount, | ||
| suspectedCount, | ||
| curedCount, | ||
| deadCount, | ||
| } = item; | ||
| if (countryName === '中国') { | ||
| if (!ncovDataObj[countryName]) { | ||
| ncovDataObj[countryName] = { | ||
| countryName, | ||
| countryEnglishName, | ||
| currentConfirmedCount: 0, | ||
| confirmedCount: 0, | ||
| suspectedCount: 0, | ||
| curedCount: 0, | ||
| deadCount: 0, | ||
| }; | ||
| } else { | ||
| ncovDataObj[countryName].currentConfirmedCount += currentConfirmedCount; | ||
| ncovDataObj[countryName].confirmedCount += confirmedCount; | ||
| ncovDataObj[countryName].suspectedCount += suspectedCount; | ||
| ncovDataObj[countryName].curedCount += curedCount; | ||
| ncovDataObj[countryName].deadCount += deadCount; | ||
| } | ||
| } else { | ||
| ncovDataObj[countryName] = { | ||
| countryName, | ||
| countryEnglishName, | ||
| currentConfirmedCount, | ||
| confirmedCount, | ||
| suspectedCount, | ||
| curedCount, | ||
| deadCount, | ||
| }; | ||
| } | ||
| }); | ||
| const geoObj: any = {}; | ||
| geodata.features.forEach((feature: any) => { | ||
| const { name } = feature.properties; | ||
| geoObj[name] = feature.properties; | ||
| const ncov = ncovDataObj[name] || {}; | ||
| feature.properties = { | ||
| ...feature.properties, | ||
| ...ncov, | ||
| }; | ||
| }); | ||
| return geodata; | ||
| } | ||
|
|
||
| const World = React.memo(function Map() { | ||
| const [data, setData] = React.useState(); | ||
| const [filldata, setfillData] = React.useState(); | ||
| const [popupInfo, setPopupInfo] = React.useState<{ | ||
| lnglat: number[]; | ||
| feature: any; | ||
| }>(); | ||
| React.useEffect(() => { | ||
| const fetchData = async () => { | ||
| const [geoData, ncovData, gridData] = await Promise.all([ | ||
| fetch( | ||
| 'https://gw.alipayobjects.com/os/bmw-prod/e62a2f3b-ea99-4c98-9314-01d7c886263d.json', | ||
| ).then((d) => d.json()), | ||
| // https://lab.isaaclin.cn/nCoV/api/area?latest=1 | ||
| fetch( | ||
| 'https://gw.alipayobjects.com/os/bmw-prod/0676f102-22f6-4c75-ab12-1ae200834b1c.json', | ||
| ).then((d) => d.json()), | ||
| fetch( | ||
| 'https://gw.alipayobjects.com/os/bmw-prod/8990e8b4-c58e-419b-afb9-8ea3daff2dd1.json', | ||
| ).then((d) => d.json()), | ||
| ]); | ||
| const worldData = joinData(geoData, ncovData.results); | ||
| const pointdata = worldData.features.map((feature: any) => { | ||
| return feature.properties; | ||
| }); | ||
| setfillData(gridData); | ||
| setData(pointdata); | ||
| }; | ||
| fetchData(); | ||
| }, []); | ||
| function showPopup(args: any): void { | ||
| setPopupInfo({ | ||
| lnglat: args.lngLat, | ||
| feature: args.feature, | ||
| }); | ||
| } | ||
|
|
||
| return ( | ||
| <> | ||
| <MapboxScene | ||
| map={{ | ||
| center: [110.19382669582967, 50.258134], | ||
| pitch: 0, | ||
| style: 'blank', | ||
| zoom: 1, | ||
| }} | ||
| style={{ | ||
| position: 'absolute', | ||
| top: 0, | ||
| left: 0, | ||
| right: 0, | ||
| bottom: 0, | ||
| }} | ||
| > | ||
| {popupInfo && ( | ||
| <Popup lnglat={popupInfo.lnglat}> | ||
| {popupInfo.feature.name} | ||
| <ul | ||
| style={{ | ||
| margin: 0, | ||
| }} | ||
| > | ||
| <li>现有确诊:{popupInfo.feature.currentConfirmedCount}</li> | ||
| <li>累计确诊:{popupInfo.feature.confirmedCount}</li> | ||
| <li>治愈:{popupInfo.feature.curedCount}</li> | ||
| <li>死亡:{popupInfo.feature.deadCount}</li> | ||
| </ul> | ||
| </Popup> | ||
| )} | ||
| {data && [ | ||
| <HeatmapLayer | ||
| key={'1'} | ||
| source={{ | ||
| data: filldata, | ||
| transforms: [ | ||
| { | ||
| type: 'hexagon', | ||
| size: 500000, | ||
| field: 'capacity', | ||
| method: 'sum', | ||
| }, | ||
| ], | ||
| }} | ||
| color={{ | ||
| values: 'rgb(221,230,238)', | ||
| }} | ||
| shape={{ | ||
| values: 'hexagon', | ||
| }} | ||
| style={{ | ||
| coverage: 0.7, | ||
| angle: 0.3, | ||
| opacity: 0.8, | ||
| }} | ||
| />, | ||
| <PointLayer | ||
| key={'2'} | ||
| options={{ | ||
| autoFit: true, | ||
| }} | ||
| source={{ | ||
| data, | ||
| parser: { | ||
| type: 'json', | ||
| coordinates: 'centroid', | ||
| }, | ||
| }} | ||
| scale={{ | ||
| values: { | ||
| confirmedCount: { | ||
| type: 'log', | ||
| }, | ||
| }, | ||
| }} | ||
| color={{ | ||
| field: 'confirmedCount', | ||
| values: (count) => { | ||
| return count > 10000 | ||
| ? colors[6] | ||
| : count > 1000 | ||
| ? colors[5] | ||
| : count > 500 | ||
| ? colors[4] | ||
| : count > 100 | ||
| ? colors[3] | ||
| : count > 10 | ||
| ? colors[2] | ||
| : count > 1 | ||
| ? colors[1] | ||
| : colors[0]; | ||
| }, | ||
| }} | ||
| shape={{ | ||
| values: 'circle', | ||
| }} | ||
| active={{ | ||
| option: { | ||
| color: '#0c2c84', | ||
| }, | ||
| }} | ||
| size={{ | ||
| field: 'confirmedCount', | ||
| values: [0, 20], | ||
| }} | ||
| style={{ | ||
| opacity: 0.6, | ||
| }} | ||
| > | ||
| <LayerEvent type="mousemove" handler={showPopup} /> | ||
| </PointLayer>, | ||
| ]} | ||
| </MapboxScene> | ||
| </> | ||
| ); | ||
| }); | ||
| ReactDOM.render(<World />, document.getElementById('map')); |
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