mirror of https://gitee.com/antv-l7/antv-l7
docs: 增加官网 demo
This commit is contained in:
shihui
parent
e31203a09b
commit
13fa0e2903
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import { Scene, LineLayer, PointLayer } from '@antv/l7';
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import { GaodeMap } from '@antv/l7-maps';
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import { ThreeLayer, ThreeRender } from '@antv/l7-three';
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import * as THREE from 'three';
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import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader';
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function getImageData(img) {
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let canvas = document.createElement('canvas');
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let ctx = canvas.getContext('2d');
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const { width, height } = img;
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canvas.width = width;
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canvas.height = height;
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ctx.drawImage(img, 0, 0, width, height);
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const imageData = ctx.getImageData(0, 0, width, height);
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return imageData;
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}
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function getLatData(data) {
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const size = Math.floor(Math.sqrt(data.length));
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const arr = [];
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let startLng = 110,
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lngStep = 5 / (size - 1);
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let startLat = 30,
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latStep = -5 / (size - 1);
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for (let i = 0; i < size; i++) {
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let arr2 = [];
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for (let j = 0; j < size; j++) {
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let index = i + j * size;
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let x = startLng + lngStep * i;
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let y = startLat + latStep * j;
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arr2.push([x, y, data[index]]);
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}
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arr.push(arr2);
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}
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return arr;
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}
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function getLngData(data) {
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const size = Math.floor(Math.sqrt(data.length));
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const arr = [];
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let startLng = 110,
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lngStep = 5 / (size - 1);
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let startLat = 30,
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latStep = -5 / (size - 1);
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for (let i = 0; i < size; i++) {
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let arr2 = [];
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for (let j = 0; j < size; j++) {
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let index = i * size + j;
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let x = startLng + lngStep * j;
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let y = startLat + latStep * i;
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arr2.push([x, y, data[index]]);
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}
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arr.push(arr2);
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}
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return arr;
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}
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function getR(data) {
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const arr = [];
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for (let i = 0; i < data.length; i += 4) {
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arr.push(data[i]);
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}
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return arr;
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}
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function setMaterial(object) {
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if (object.children && object.children.length && object.children.length > 0) {
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object.children.map((child) => setMaterial(child));
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} else if (object.material) {
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object.material.wireframe= true
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object.material.opacity = 0.6
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}
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}
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const airPorts = [
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{
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name: '常德桃花源机场',
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lng: 111.641101,
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lat: 28.91165
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},
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{
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name: '芷江机场',
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lng: 109.709699,
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lat: 27.442172
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},
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{
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name: '铜仁凤凰机场',
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lng: 109.313971,
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lat: 27.880629
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},
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{
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name: '永州零陵机场',
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lng: 111.616049,
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lat: 26.335053
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},
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{
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name: '桂林两江国际机场',
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lng: 110.049256,
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lat: 25.210065
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},
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{
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name: '长沙黄花国际机场',
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lng: 113.216412,
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lat: 28.183613
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},
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{
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name: '井冈山机场',
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lng: 114.745845,
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lat: 26.852646
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}
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]
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const planeTarget = {
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lng2: 111.616049,
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lat2: 26.335053
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}
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const airLineData= [
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{
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name: '常德桃花源机场',
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lng: 111.641101,
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lat: 28.91165,
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...planeTarget
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},
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{
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name: '芷江机场',
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lng: 109.709699,
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lat: 27.442172,
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...planeTarget
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},
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{
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name: '铜仁凤凰机场',
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lng: 109.313971,
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lat: 27.880629,
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...planeTarget
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},
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{
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name: '桂林两江国际机场',
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lng: 110.049256,
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lat: 25.210065,
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...planeTarget
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},
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{
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name: '长沙黄花国际机场',
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lng: 113.216412,
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lat: 28.183613,
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...planeTarget
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},
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{
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name: '井冈山机场',
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lng: 114.745845,
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lat: 26.852646,
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...planeTarget
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}
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]
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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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center: [113, 29],
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pitch: 70,
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zoom: 9,
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rotation: 180,
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style: 'blank',
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})
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});
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scene.setBgColor('#000')
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scene.registerRenderService(ThreeRender);
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const threeJSLayer = new ThreeLayer({
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enableMultiPassRenderer: false,
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// @ts-ignore
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onAddMeshes: (threeScene, layer) => {
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threeScene.add(new THREE.AmbientLight(0xffffff));
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const sunlight = new THREE.DirectionalLight(0xffffff, 0.25);
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sunlight.position.set(0, 80000000, 100000000);
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sunlight.matrixWorldNeedsUpdate = true;
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threeScene.add(sunlight);
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// 使用 Three.js glTFLoader 加载模型
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const loader = new GLTFLoader();
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loader.load(
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'https://gw.alipayobjects.com/os/bmw-prod/3ca0a546-92d8-4ba0-a89c-017c218d5bea.gltf',
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gltf => {
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const antModel = gltf.scene;
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setMaterial(antModel);
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layer.adjustMeshToMap(antModel);
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layer.setMeshScale(antModel, 8000, 8000, 8000);
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layer.setObjectLngLat(
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antModel,
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[113, 29 ],
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0
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);
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const animations = gltf.animations;
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if (animations && animations.length) {
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const mixer = new THREE.AnimationMixer(antModel);
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const animation = animations[1];
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const action = mixer.clipAction(animation);
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action.timeScale = 5;
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action.play();
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layer.addAnimateMixer(mixer);
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}
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antModel.rotation.y = Math.PI;
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// 向场景中添加模型
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threeScene.add(antModel);
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// 重绘图层
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layer.render();
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return '';
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}
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);}
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})
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scene.addImage(
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'plane',
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'https://gw.alipayobjects.com/zos/bmw-prod/96327aa6-7fc5-4b5b-b1d8-65771e05afd8.svg'
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);
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const airPrtsLayer = new PointLayer()
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.source(airPorts, {
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parser: {
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type: 'json',
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x: 'lng',
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y: 'lat'
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}
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})
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.shape('name', 'text')
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.color('rgb(22,119,255)')
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.size(10)
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const airLineLayer = new LineLayer({blend: 'normal'})
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.source(airLineData, {
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parser: {
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type: 'json',
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x: 'lng',
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y: 'lat',
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x1: 'lng2',
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y1: 'lat2'
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}
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})
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.shape('arc3d')
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.size(1)
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.color('#f00')
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.style({
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sourceColor: 'rgb(22,119,255)',
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targetColor: 'rgba(242,246,250,0.1)',
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})
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const airPlaneLayer = new LineLayer({blend: 'normal', zIndex: 1})
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.source(airLineData, {
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parser: {
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type: 'json',
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x: 'lng2',
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y: 'lat2',
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x1: 'lng',
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y1: 'lat'
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}
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})
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.shape('arc3d')
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.texture('plane')
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.size(30)
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.color('#f00')
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.animate({
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duration: 0.2,
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interval: 0.2,
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trailLength: 0.2
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})
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.style({
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textureBlend: 'replace',
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lineTexture: true, // 开启线的贴图功能
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iconStep: 6, // 设置贴图纹理的间距
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})
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fetch(
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'https://gw.alipayobjects.com/os/bmw-prod/ec5351c9-d22b-4918-ad6c-1838064d3a64.json'
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)
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.then(res => res.json())
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.then(data => {
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const layer = new LineLayer({})
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.source(data)
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.size(30000)
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.shape('wall')
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.style({
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opacity: 0.4,
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sourceColor: '#0DCCFF',
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targetColor: 'rbga(255,255,255, 0)',
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heightfixed: true
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});
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scene.addLayer(layer);
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const nameLayer = new PointLayer({zIndex: 3})
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.source(data)
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.color('rgb(22,119,255)')
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.size(15)
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.shape('name', 'text')
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scene.addLayer(nameLayer);
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});
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const img = new Image();
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img.crossOrigin = 'none';
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img.src =
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'https://gw.alipayobjects.com/mdn/rms_816329/afts/img/A*UkvYRYS5jTAAAAAAAAAAAAAAARQnAQ';
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img.onload = function() {
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const data = getImageData(img);
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const rData = getR(data.data);
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let d1 = getLngData(rData);
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let d2 = getLatData(rData);
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const geoData = {
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type: 'FeatureCollection',
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features: [
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{
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type: 'Feature',
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properties: {},
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geometry: {
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type: 'LineString',
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coordinates: d1,
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},
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},
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{
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type: 'Feature',
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properties: {},
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geometry: {
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type: 'LineString',
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coordinates: d2,
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},
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},
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],
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};
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const layer = new LineLayer({})
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.source(geoData)
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.size(1)
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.shape('simpleline')
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.color('rgb(22, 119, 255)')
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.style({
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vertexHeightScale: 2000,
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opacity: 0.4,
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});
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scene.addLayer(layer);
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};
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const waveLayer = new PointLayer({ zIndex: 2, blend: 'additive' })
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.source(
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[
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{ lng: 113, lat: 29, size: 10000 },
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{ lng: 113.5, lat: 29.5, size: 30000 },
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{"lng":110.23681640625,"lat":29.64509464986076,"size":74020.50373907911},{"lng":115.01586914062499,"lat":26.88777988202911,"size":22908.885529976185},{"lng":111.181640625,"lat":28.724313406473463,"size":73359.37302978932},{"lng":112.686767578125,"lat":29.257648503615542,"size":18500.90838085843},{"lng":114.664306640625,"lat":28.98892237190413,"size":20293.183968726793},{"lng":113.90075683593749,"lat":28.17855984939698,"size":18051.412077639496},{"lng":111.51123046875,"lat":27.45466493898314,"size":37645.94186119526},{"lng":110.67626953125,"lat":28.004101830368654,"size":4214.588023703825},{"lng":114.43359375,"lat":29.477861195816843,"size":61722.01580332115},{"lng":110.445556640625,"lat":26.96124577052697,"size":70806.75519747598},{"lng":113.75244140624999,"lat":27.88278388425912,"size":70930.24993464859}
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],
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{
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parser: {
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type: 'json',
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x: 'lng',
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y: 'lat',
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},
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},
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)
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.shape('circle')
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.color('rgb(22, 119, 255)')
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.size('size', v => v)
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.animate(true)
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.style({
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unit: 'meter',
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});
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const barLayer = new PointLayer({ zIndex: 2, depth: false })
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.source(
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[
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{ lng: 113, lat: 29, size: 10000 },
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{ lng: 113.5, lat: 29.5, size: 30000 },
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{"lng":110.23681640625,"lat":29.64509464986076,"size":74020.50373907911},{"lng":115.01586914062499,"lat":26.88777988202911,"size":22908.885529976185},{"lng":111.181640625,"lat":28.724313406473463,"size":73359.37302978932},{"lng":112.686767578125,"lat":29.257648503615542,"size":18500.90838085843},{"lng":114.664306640625,"lat":28.98892237190413,"size":20293.183968726793},{"lng":113.90075683593749,"lat":28.17855984939698,"size":18051.412077639496},{"lng":111.51123046875,"lat":27.45466493898314,"size":37645.94186119526},{"lng":110.67626953125,"lat":28.004101830368654,"size":4214.588023703825},{"lng":114.43359375,"lat":29.477861195816843,"size":61722.01580332115},{"lng":110.445556640625,"lat":26.96124577052697,"size":70806.75519747598},{"lng":113.75244140624999,"lat":27.88278388425912,"size":70930.24993464859}
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],
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{
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parser: {
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type: 'json',
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x: 'lng',
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y: 'lat',
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},
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},
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)
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.shape('cylinder')
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.color('rgb(22, 119, 255)')
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.size('size', v => [5, 5, v/350])
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.animate(true)
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.style({
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opacityLinear: {
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enable: true, // true - false
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dir: 'up' // up - down
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},
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lightEnable: false
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});
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scene.on('loaded', () => {
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scene.addLayer(waveLayer);
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scene.addLayer(barLayer);
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scene.addLayer(threeJSLayer);
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scene.addLayer(airPrtsLayer)
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scene.addLayer(airLineLayer)
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scene.addLayer(airPlaneLayer)
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});
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@ -4,6 +4,11 @@
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"en": "Gallery"
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},
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"demos": [
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{
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"filename": "grid.js",
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"title": "网格地图",
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"screenshot":"https://gw.alipayobjects.com/mdn/rms_23a451/afts/img/A*0UrUTakTFQsAAAAAAAAAAAAAARQnAQ"
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},
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{
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"filename": "animate_path_texture.js",
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"title": "路径贴图",
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