antv-l7/stories/Components/components/Zoom.tsx

70 lines
1.5 KiB
TypeScript

// @ts-ignore
import { PolygonLayer, Scene, Zoom } from '@antv/l7';
import { Mapbox } from '@antv/l7-maps';
import * as React from 'react';
export default class ZoomComponent extends React.Component {
private scene: Scene;
public componentWillUnmount() {
this.scene.destroy();
}
public async componentDidMount() {
const response = await fetch(
'https://gw.alipayobjects.com/os/basement_prod/d2e0e930-fd44-4fca-8872-c1037b0fee7b.json',
);
const data = await response.json();
const scene = new Scene({
id: 'map',
map: new Mapbox({
style: 'mapbox://styles/mapbox/streets-v9',
center: [110.19382669582967, 30.258134],
pitch: 0,
zoom: 3,
}),
});
this.scene = scene;
const layer = new PolygonLayer({});
layer
.source(data)
.size('name', [0, 10000, 50000, 30000, 100000])
.color('name', [
'#2E8AE6',
'#69D1AB',
'#DAF291',
'#FFD591',
'#FF7A45',
'#CF1D49',
])
.shape('fill')
.style({
opacity: 0.3,
});
scene.addLayer(layer);
scene.on('loaded', () => {
const zoomControl = new Zoom({
position: 'bottomright',
});
scene.addControl(zoomControl);
});
}
public render() {
return (
<div
id="map"
style={{
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
}}
/>
);
}
}