Release site #2781
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import { LayerPopup, PolygonLayer } from '@antv/l7'; | ||
| import type { TestCase } from '../../types'; | ||
| import { CaseScene } from '../../utils'; | ||
|
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| export const fillChina: TestCase = async (options) => { | ||
| const scene = await CaseScene({ | ||
| ...options, | ||
| mapConfig: { | ||
| center: [-96, 37.8], | ||
| zoom: 3, | ||
| }, | ||
| }); | ||
|
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| const url1 = | ||
| 'https://mdn.alipayobjects.com/antforest/afts/file/A*vaL-R4SU18IAAAAAgCAAAAgAerd2AQ/original_2025-11-14.json'; | ||
| // const url2 = 'https://geojson.cn/api/china/1.6.2/china.json' | ||
| const result = await fetch(url1); | ||
| const data = await result.json(); | ||
| const fillData = data.features.filter((feature: any) => { | ||
| // 过滤掉线数据 | ||
| if (feature.properties.name === '境界线') { | ||
| return false; | ||
| } | ||
| return true; | ||
| }); | ||
| // 未定国界线数据 | ||
| const UndelimitedBoundary = data.features.filter((feature: any) => { | ||
| // 过滤掉线数据 | ||
| if (feature.properties.gb === '003') { | ||
| return true; | ||
| } | ||
| return false; | ||
| }); | ||
|
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| const boundary = data.features.filter((feature: any) => { | ||
| // 过滤掉线数据 | ||
| if (feature.properties.gb !== '003') { | ||
| return true; | ||
| } | ||
| return false; | ||
| }); | ||
|
|
||
| const color = [ | ||
| '#a50026', | ||
| '#d73027', | ||
| '#f46d43', | ||
| '#fdae61', | ||
| '#fee090', | ||
| '#ffffbf', | ||
| '#e0f3f8', | ||
| '#abd9e9', | ||
| '#74add1', | ||
| '#4575b4', | ||
| '#313695', | ||
| ]; | ||
| // 行政区划填充色 | ||
| const fillLayer = new PolygonLayer({ | ||
| autoFit: true, | ||
| }) | ||
| .source({ | ||
| type: 'FeatureCollection', | ||
| features: fillData, | ||
| }) | ||
| .color('#d6dff6') | ||
| .shape('fill') | ||
| .active({ | ||
| color: '#5483ef', | ||
| }) | ||
| .style({ | ||
| opacity: 0.5, | ||
| }); | ||
| const boundaryLayer = new PolygonLayer({ | ||
| autoFit: true, | ||
| }) | ||
| .source({ | ||
| type: 'FeatureCollection', | ||
| features: boundary, | ||
| }) | ||
| .color('#5483ef') | ||
| .shape('line') | ||
| .size(0.5) | ||
| .style({ | ||
| opacity: 1, | ||
| }); | ||
|
|
||
| // 未定国际虚线表示 | ||
| const layer = new PolygonLayer({ | ||
| autoFit: true, | ||
| }) | ||
| .source({ | ||
| type: 'FeatureCollection', | ||
| features: UndelimitedBoundary, | ||
| }) | ||
| .color('red') | ||
| .shape('line') | ||
| .size(1) | ||
| .style({ | ||
| opacity: 1, | ||
| lineType: 'dash', | ||
| dashArray: [5, 5], | ||
| }); | ||
|
Comment on lines
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Contributor
There was a problem hiding this comment. There are a few opportunities to improve the code style and clarity in this file:
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| const layerPopup = new LayerPopup({ | ||
| trigger: 'click', | ||
| items: [ | ||
| { | ||
| layer: fillLayer, | ||
| fields: [ | ||
| { | ||
| field: 'name', | ||
| formatField: () => '名称', | ||
| }, | ||
| { | ||
| field: 'gb', | ||
| formatField: () => '编号', | ||
| formatValue: (val) => val, | ||
| }, | ||
| ], | ||
| }, | ||
| ], | ||
| }); | ||
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| scene.addLayer(fillLayer); | ||
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| scene.addLayer(boundaryLayer); | ||
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| scene.addLayer(layer); | ||
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| scene.addPopup(layerPopup); | ||
|
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| return scene; | ||
| }; | ||
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The
featureparameter is typed asany. To improve type safety and code clarity, it would be beneficial to define a specific interface for the GeoJSON feature.For example: