antv-l7/stories/Layers/components/polygon3D.tsx

76 lines
1.6 KiB
TypeScript

// @ts-ignore
import { Polygon3DLayer } from '@l7/layers';
// @ts-ignore
import { Scene } from '@l7/scene';
import * as React from 'react';
function convertRGB2Hex(rgb: number[]) {
return (
'#' + rgb.map((r) => ('0' + Math.floor(r).toString(16)).slice(-2)).join('')
);
}
export default class Polygon3D extends React.Component {
private gui: dat.GUI;
private $stats: Node;
private scene: Scene;
public componentWillUnmount() {
if (this.gui) {
this.gui.destroy();
}
if (this.$stats) {
document.body.removeChild(this.$stats);
}
this.scene.destroy();
}
public async componentDidMount() {
const response = await fetch(
'https://gw.alipayobjects.com/os/basement_prod/d2e0e930-fd44-4fca-8872-c1037b0fee7b.json',
);
const scene = new Scene({
id: 'map',
type: 'mapbox',
style: 'mapbox://styles/mapbox/streets-v9',
center: [110.19382669582967, 50.258134],
pitch: 0,
zoom: 3,
});
this.scene = scene;
const layer = new Polygon3DLayer({});
layer
.source(await response.json())
.size('name', [0, 10000, 50000, 30000, 100000])
.color('name', [
'#2E8AE6',
'#69D1AB',
'#DAF291',
'#FFD591',
'#FF7A45',
'#CF1D49',
])
.shape('fill')
.style({
opacity: 1.0,
});
scene.addLayer(layer);
scene.render();
}
public render() {
return (
<div
id="map"
style={{
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
}}
/>
);
}
}