vue 引入json地图_使用vue引入maptalks地图及聚合效果的实现
1、安裝maptalks.js
npm install maptalks --save
2、安裝聚合mapkercluster
npm install maptalks.markercluster
3、vue頁(yè)面引入
import * as maptalks from 'maptalks'
import {clusterlayer} from 'maptalks.markercluster'
4、初始化地圖并添加聚合
mounted() {
let that = this
//--0--//地圖對(duì)象的初始化
this.map = new maptalks.map('map', {
center: [109.1748453547,21.4586700546],
//中心點(diǎn)標(biāo)記紅十字,用于開(kāi)發(fā)debug
centercross : false,
zoom: 13,
minzoom : 10,
maxzoom : 18,
//縮放級(jí)別控件
zoomcontrol : false, // add zoom control
scalecontrol : true, // add scale control
//鷹眼控件
overviewcontrol : true, // add overview control
//設(shè)置瓦片圖層的空間參考spatialreference默認(rèn)就是3857,googlemap的分辨率
spatialreference : {
projection : 'epsg:3857'
//與map一樣,支持更詳細(xì)的設(shè)置resolutions,fullextent等
},
baselayer: new maptalks.tilelayer('base', {
// urltemplate: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
//renderer : 'canvas', // set tilelayer's renderer to canvas
//底圖服務(wù)器地址,如下為瓦片地址
urltemplate: 'http://xxx.xx.xxx.xxx:xxxx/mapdata/tiles/{z}/{x}/{y}.png',
//tilesystem 控制瓦片的x,y以及行列,后兩個(gè)是origin原點(diǎn)位置(很重要)
tilesystem : [1, 1, -20037508.3427890,-20037508.3427890], // tile system
//subdomains: ['a','b','c'],
minzoom : 10,
maxzoom : 18
// css filter 濾鏡配置
// cssfilter : 'sepia(60%) invert(95%)',
// attribution: '? maptalk for amap contributors'
}),
layers : [
new maptalks.vectorlayer('v')
],
attribution: {//左下角info
content: '?qmap'
}
})
// 拖動(dòng)范圍限制,黑框控
let extent = new maptalks.extent(108.8584570000,20.9790840000,110.0569128018,22.1177123207)
// var extent = new maptalks.extent(112.5381688894,26.8876543885,112.5605009244,26.9012691519);
// set map's max extent to map's extent at zoom 14
this.map.setmaxextent(extent)
this.map.setzoom(this.map.getzoom(), { animation : false })
this.map.getlayer('v')
.addgeometry(
new maptalks.polygon(extent.toarray(), {
symbol : { 'polygonopacity': 0, 'linewidth': 0 }
})
)
// 往地圖上添加點(diǎn)位
this.markinfo()
},
methods: {
setcenter: function(center) {
//標(biāo)注點(diǎn)平移到某個(gè)點(diǎn)
let centerv = maptalks1.crstransform.transform(center, 'bd09ll', 'gcj02')
this.map.animateto({
zoom: 17,
center: centerv
}, {
duration: 1000
})
},
// 上圖
markinfo: function () {
let that = this
that.map.removelayer(that.clusterlayer)
let markers = []
//--2--//前端聚合查詢(xún)
// data from realworld.50000.1.js
//需要引入maptalks.markercluster.js
//數(shù)據(jù)格式[lon,lat,name]
// 如:[[21.8129763667, 109.2714296333, "曉港名城4號(hào)樓"],[21.8131727667, 109.2710308833, "曉港名城6號(hào)樓"]]
for (let i = 0; i < that.addresspoints.length; i++) {
let a = that.addresspoints[i]
markers.push(new maptalks.marker(maptalks1.crstransform.transform([a.latitude, a.longitude], 'bd09ll', 'gcj02'),
{
'properties': {
'name': a.name,
'onsale': a.onsale
},
symbol : [
{
'markerfile' : a.onsale ? require('../../../static/img/on.png') : require('../../../static/img/off.png'),//標(biāo)注點(diǎn)圖標(biāo)
'markerwidth' : 30,
'markerheight' : 35
},{
'textname' : '{name}',
'textsize' : 12,
'textdy' : -50,
'texthaloradius' : 5,
'texthalofill' : a.onsale ? '#ffb427' : '#b9b9b9',
'textfill' : '#fff' // color
}
]
}
))//.on('mousedown', onclick))
}
let clusterlayer = new clusterlayer('cluster', markers, {
'noclusterwithonemarker' : true,
'noclusterwithhowmany': 8,//聚合的最小個(gè)數(shù)
'maxclusterzoom' : 15,
//"count" is an internal variable: marker count in the cluster.
'symbol': {
'markertype' : 'ellipse',
'markerfill' : { property:'count', type:'interval', stops: [[0, 'rgb(135, 196, 240)'], [9, '#1bbc9b'],[50, 'rgb(116, 115, 149)'],
[99, 'rgb(216, 115, 149)']]},
'markerfillopacity' : 0.7,
'markerlineopacity' : 1,
'markerlinewidth' : 3,
'markerlinecolor' : '#fff',
'markerwidth' : { property:'count', type:'interval', stops: [[0, 40], [9, 60], [50, 70],[99, 80]] },
'markerheight' : { property:'count', type:'interval', stops: [[0, 40], [9, 60], [50, 70],[99, 80]] }
},
'drawclustertext': true,
'geometryevents' : true,
'single': true
})
that.map.addlayer(clusterlayer)
that.clusterlayer = clusterlayer
function onclick(e) {
e.target.setinfowindow({
'content': '
' + e.target.properties.name + ' ','width' : 150,
'dy' : 5,
'autopan': true,
'custom': false,
'autoopenon' : 'click', //set to null if not to open when clicking on marker
'autocloseon' : 'click'
})
}
}
}
補(bǔ)充知識(shí):vue集成maptalk實(shí)現(xiàn)geojson3d渲染
我就廢話不多說(shuō)了,大家還是直接看代碼吧~
//實(shí)例化地圖對(duì)象
let map = new maptalks.map("map",{
center: [13.416935229170008, 52.529564137540376],
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: '? openstreetmap contributors, ? carto'
})
});
// features to draw
//將buildings中的數(shù)據(jù),添加到features中
let features = [];
buildings.foreach(function (b) {
console.log(b.features);
features = features.concat(b.features);
});
// the threelayer to draw buildings
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 = 5;
let levels = g.properties.levels || 1;
let color = 0x2685a7
let m = new three.meshphongmaterial({color: color, opacity : 0.7});
//change to back side with three <= v0.94
// m.side = three.backside;
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);
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