chore: 更新markerLayer demo

This commit is contained in:
Dreammy23 2022-09-01 16:16:03 +08:00
parent 2fe8423939
commit 921455e5c7
1 changed files with 39 additions and 33 deletions

View File

@ -2,49 +2,51 @@
```tsx
import { Marker, MarkerLayer, Scene } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';
import { GaodeMap, GaodeMapV2, Mapbox } from '@antv/l7-maps';
import React, { useEffect } from 'react';
export default () => {
useEffect(() => {
const scene = new Scene({
id: 'map',
const gaodeV1Scene = new Scene({
id: 'gaodeV1',
map: new GaodeMap({
center: [105, 30.258134],
zoom: 2,
}),
});
const gaodeV2Scene = new Scene({
id: 'gaodeV2',
map: new GaodeMapV2({
center: [105, 30.258134],
zoom: 3,
}),
});
// addMarkers1(scene);
addMarkers2(scene);
const mapboxScene = new Scene({
id: 'mapbox',
map: new Mapbox({
center: [120, 30],
zoom: 2,
}),
});
addMarkers(gaodeV1Scene);
// addMarkers(gaodeV2Scene);
addMarkers(mapboxScene);
}, []);
const addMarkers1 = (scene) => {
fetch(
'https://gw.alipayobjects.com/os/basement_prod/d3564b06-670f-46ea-8edb-842f7010a7c6.json',
)
.then((res) => res.json())
.then((nodes) => {
const markerLayer = new MarkerLayer();
for (let i = 0; i < 400; i++) {
const { coordinates } = nodes.features[i].geometry;
const marker = new Marker().setLnglat({
lng: coordinates[0],
lat: coordinates[1],
});
markerLayer.addMarker(marker);
}
scene.addMarkerLayer(markerLayer);
});
};
const nodeNum = 500;
const addMarkers2 = (scene) => {
const addMarkers = (s) => {
// 6107个节点
fetch(
'https://gw.alipayobjects.com/os/basement_prod/d3564b06-670f-46ea-8edb-842f7010a7c6.json',
)
.then((res) => res.json())
.then((nodes) => {
const markerLayer = new MarkerLayer();
for (let i = 0; i < 400; i++) {
for (let i = 0; i < nodeNum; i++) {
const { coordinates } = nodes.features[i].geometry;
const el = document.createElement('label');
el.textContent = coordinates[1];
@ -59,7 +61,12 @@ export default () => {
});
markerLayer.addMarker(marker);
}
scene.addMarkerLayer(markerLayer);
console.timeEnd('创建节点');
console.time('节点渲染');
s.addMarkerLayer(markerLayer);
console.timeEnd('节点渲染');
});
};
@ -92,13 +99,12 @@ export default () => {
};
return (
<div
id="map"
style={{
height: '500px',
position: 'relative',
}}
/>
<>
<h2>{nodeNum} 个节点测试</h2>
<h4>高德V1</h4>
<div id="gaodeV1" style={{ height: '500px', position: 'relative' }} />
</>
);
};
```