mirror of https://gitee.com/antv-l7/antv-l7
60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
import { Scene, Marker, MarkerLayer } from '@antv/l7';
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import { GaodeMap } from '@antv/l7-maps';
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const scene = new Scene({
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id: 'map',
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map: new GaodeMap({
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style: 'light',
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center: [ 105.790327, 36.495636 ],
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pitch: 0,
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zoom: 4
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})
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});
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scene.on('loaded', () => {
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addMarkers();
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scene.render();
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});
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function addMarkers() {
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fetch(
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'https://gw.alipayobjects.com/os/basement_prod/67f47049-8787-45fc-acfe-e19924afe032.json'
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)
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.then(res => res.json())
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.then(nodes => {
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const markerLayer = new MarkerLayer();
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for (let i = 0; i < nodes.length; i++) {
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if (nodes[i].g !== '1' || nodes[i].v === '') {
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continue;
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}
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const el = document.createElement('label');
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el.className = 'labelclass';
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el.textContent = nodes[i].v + '℃';
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el.style.background = getColor(nodes[i].v);
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el.style.borderColor = getColor(nodes[i].v);
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const marker = new Marker({
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element: el
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}).setLnglat({ lng: nodes[i].x * 1, lat: nodes[i].y });
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markerLayer.addMarker(marker);
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}
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scene.addMarkerLayer(markerLayer);
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});
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}
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function getColor(v) {
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const colors = [ '#ffffe5', '#f7fcb9', '#d9f0a3', '#addd8e', '#78c679', '#41ab5d', '#238443', '#005a32' ];
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return v > 50
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? colors[7]
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: v > 40
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? colors[6]
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: v > 30
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? colors[5]
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: v > 20
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? colors[4]
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: v > 10
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? colors[3]
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: v > 5
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? colors[2]
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: v > 0
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? colors[1]
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: colors[0];
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}
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