antv-l7/examples/point/marker/demo/marker.js

57 lines
1.3 KiB
JavaScript

import { Scene, Marker } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';
const scene = new Scene({
id: 'map',
map: new GaodeMap({
style: 'light',
center: [ 105.790327, 36.495636 ],
pitch: 0,
zoom: 4
})
});
scene.on('loaded', () => {
addMarkers();
scene.render();
});
function addMarkers() {
fetch(
'https://gw.alipayobjects.com/os/basement_prod/67f47049-8787-45fc-acfe-e19924afe032.json'
)
.then(res => res.json())
.then(nodes => {
for (let i = 0; i < nodes.length; i++) {
if (nodes[i].g !== '1' || nodes[i].v === '') {
continue;
}
const el = document.createElement('label');
el.className = 'labelclass';
el.textContent = nodes[i].v + '℃';
el.style.background = getColor(nodes[i].v);
el.style.borderColor = getColor(nodes[i].v);
const marker = new Marker({
element: el
}).setLnglat({ lng: nodes[i].x * 1, lat: nodes[i].y });
scene.addMarker(marker);
}
});
}
function getColor(v) {
return v > 50
? '#800026'
: v > 40
? '#BD0026'
: v > 30
? '#E31A1C'
: v > 20
? '#FC4E2A'
: v > 10
? '#FD8D3C'
: v > 5
? '#FEB24C'
: v > 0
? '#FED976'
: '#FFEDA0';
}