antv-l7/examples/line/isoline/demo/ele.js

40 lines
857 B
JavaScript

import { Scene, LineLayer } from '@antv/l7';
const scene = new Scene({
id: 'map',
pitch: 53.6305,
type: 'amap',
style: 'light',
center: [ 102.600579, 23.114887 ],
zoom: 14.66
});
fetch('https://gw.alipayobjects.com/os/rmsportal/ZVfOvhVCzwBkISNsuKCc.json')
.then(res => res.json())
.then(data => {
const layer = new LineLayer({})
.source(data)
.size('ELEV', h => {
return [ h % 50 === 0 ? 1.0 : 0.5, (h - 1300) * 20 ];
})
.shape('line')
.scale('ELEV', {
type: 'quantize'
})
.color(
'ELEV',
[
'#E4682F',
'#FF8752',
'#FFA783',
'#FFBEA8',
'#FFDCD6',
'#EEF3FF',
'#C8D7F5',
'#A5C1FC',
'#7FA7F9',
'#5F8AE5'
].reverse()
);
scene.addLayer(layer);
});