antv-l7/examples/heatmap/hexagon/demo/hexagon.js

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import { HeatmapLayer } from '@l7/layers';
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import { Scene } from '@l7/scene';
const scene = new Scene({
id: 'map',
style: 'light',
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pitch: 56.499,
center: [ 114.07737552216226, 22.542656745583486 ],
rotation: 39.19,
zoom: 12.47985,
type: 'mapbox'
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});
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window.mapScene = scene;
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fetch(
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'https://gw.alipayobjects.com/os/basement_prod/513add53-dcb2-4295-8860-9e7aa5236699.json'
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)
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.then(res => res.json())
.then(data => {
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const layer = new HeatmapLayer({})
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.source(data, {
transforms: [
{
type: 'hexagon',
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size: 100,
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field: 'h12',
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method: 'sum'
}
]
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})
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.size('sum', [ 0, 600 ])
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.shape('hexagonColumn')
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.style({
coverage: 0.8,
angle: 0,
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opacity: 1.0
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})
.color(
'sum',
[
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'#094D4A',
'#146968',
'#1D7F7E',
'#289899',
'#34B6B7',
'#4AC5AF',
'#5FD3A6',
'#7BE39E',
'#A1EDB8',
'#CEF8D6'
].reverse()
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);
scene.addLayer(layer);
});