antv-l7/dev-demos/features/tile/vector/geojson-vt.tsx

78 lines
2.0 KiB
TypeScript

// @ts-ignore
import { Scene, Source, PolygonLayer } from '@antv/l7';
// @ts-ignore
import { Mapbox } from '@antv/l7-maps';
import React, { useEffect } from 'react';
export default () => {
useEffect(() => {
const scene = new Scene({
id: 'geojsonvt',
stencil: true,
map: new Mapbox({
center: [121.268, 30.3628],
pitch: 0,
style: 'blank',
zoom: 4,
}),
});
fetch(
'https://gw.alipayobjects.com/os/bmw-prod/2b7aae6e-5f40-437f-8047-100e9a0d2808.json',
)
.then((d) => d.json())
.then((data) => {
const source = new Source(data, {
parser: {
type: 'geojsonvt',
tileSize: 256,
zoomOffset: 0,
maxZoom: 9,
// extent: [-180, -85.051129, 179, 85.051129],
},
});
// const line = new LineLayer({
// featureId: 'COLOR',
// sourceLayer: 'testName', // woods hillshade contour ecoregions ecoregions2 city
// }).source(source)
// .color('COLOR')
// .size(2)
// scene.addLayer(line);
const polygon = new PolygonLayer({
featureId: 'COLOR',
// sourceLayer: 'testName', // woods hillshade contour ecoregions ecoregions2 city
})
.source(source)
.color('COLOR')
.active(true)
.style({
opacity: 0.6,
});
scene.addLayer(polygon);
// scene.on('zoom', (e) => console.log(scene.getZoom()));
// const point = new PointLayer({
// featureId: 'COLOR',
// sourceLayer: 'testName', // woods hillshade contour ecoregions ecoregions2 city
// })
// .source(source)
// // .color('COLOR')
// .color('#f00')
// .size(20)
// scene.addLayer(point);
});
}, []);
return (
<div
id="geojsonvt"
style={{
height: '500px',
position: 'relative',
}}
/>
);
};