antv-l7/examples/tutorial/layer/demo/layer_highlight.js

64 lines
1.5 KiB
JavaScript

import { PolygonLayer, LineLayer, Scene } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';
const scene = new Scene({
id: 'map',
map: new GaodeMap({
style: 'light',
pitch: 0,
center: [ 118.7368, 32.0560 ],
zoom: 9
})
});
scene.on('loaded', () => {
fetch(
'https://gw.alipayobjects.com/os/basement_prod/91247d10-585b-4406-b1e2-93b001e3a0e4.json'
)
.then(res => res.json())
.then(data => {
const filllayer = new PolygonLayer({
name: 'fill'
})
.source(data)
.shape('fill')
.color('unit_price', [ '#f0f9e8', '#ccebc5', '#a8ddb5', '#7bccc4', '#43a2ca', '#0868ac' ])
.style({
opacity: 1
});
const linelayer = new LineLayer({
zIndex: 1,
name: 'line'
})
.source(data)
.shape('line')
.size(0.5)
.color('#fff')
.style({
opacity: 0.5
});
const hightLayer = new LineLayer({
zIndex: 4, // 设置显示层级
name: 'hightlight'
})
.source({
type: 'FeatureCollection',
features: [ ]
})
.shape('line')
.size(2)
.color('red')
.style({
opacity: 1
});
scene.addLayer(filllayer);
scene.addLayer(linelayer);
scene.addLayer(hightLayer);
filllayer.on('click', feature => {
console.log(feature);
hightLayer.setData({
type: 'FeatureCollection',
features: [ feature.feature ]
});
});
});
});