Vue通过npm集成maptalks详细步骤

布满荆棘的人生 2023-07-18 02:45 28阅读 0赞

1、创建Vue项目并添加maptalks的依赖

//1、构建Vue工程,"map"为项目名称，可自定义
    vue init webpack map
    //2、添加three.js依赖
    npm install three
    //3、添加maptalks.js依赖
    npm install maptalks
    //4、添加maptalks.three.js依赖
    npm install maptalks.three
    //到这里要使用maptalks所需的依赖添加完毕

2、在vue文件中引入maptalks.js

import 'maptalks/dist/maptalks.css';
    import * as THREE from 'three';
    import * as maptalks from 'maptalks';
    import {  ThreeLayer } from 'maptalks.three/dist/maptalks.three.js';

3、在mounted属性中添加加载地图的函数：

mounted: function(){ 
    
         let map = new maptalks.Map("map",{ 
    
                      center: [115.45258640222,38.87145556222],
                      zoom: 20,
                      dragPitch : true,
                      //allow map to drag rotating, true by default
                      dragRotate : true,
                      //enable map to drag pitching and rotating at the same time, false by default
                      dragRotatePitch : true,
                      baseLayer: new maptalks.TileLayer('base', { 
                          urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
                          subdomains: ['a','b','c','d'],
                          attribution: '© <a href="http://osm.org">OpenStreetMap</a> contributors, © <a href="https://carto.com/">CARTO</a>'
                      })
                  });
    
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        ];
    
                  let features = [];
    
                  buildings.forEach(function(b){ 
                      features = features.concat(b.features);
                  });
    
    
                  let threeLayer = new ThreeLayer('t',{ 
                      forceRenderOnMoving: true,
                      forceRenderOnRotating: true
                  });
    
                  threeLayer.prepareToDraw = function(gl,scene,camera){ 
    
                      let me = this;
                      let light = new THREE.DirectionalLight(0xffffff);
                      light.position.set(0,-10,10).normalize();
                      scene.add(light);
    
                      features.forEach(function(g){ 
                          let heightPerLevel = 1;
                          let levels = g.properties.levels || 1;
                          let color = 0x2685a7;
    
                          let m = new THREE.MeshPhongMaterial({ color: color,opacity: 0.7});
    
                          let mesh = me.toExtrudeMesh(maptalks.GeoJSON.toGeometry(g),heightPerLevel,m,heightPerLevel);
    
                          if(Array.isArray(mesh)){ 
                              scene.add.apply(scene,mesh);
                          }else{ 
                              scene.add(mesh);
                          }
                      });
    
              }
    
              threeLayer.addTo(map);
      }