ArcGIS JS 4加载第三方矢量切片
现在矢量切片越来越普及,对于地图渲染能更轻更快。ArcGIS JS 4.13可以实现加载第三方矢量切片,以下为代码示例,最下方是我之前切的建筑物数据。
当切片大小在1M左右,加载效果还是可以。不过跟mapbox gl相比还是有些逊色,mapbox gl可以加载6M大小的切片,但ArcGIS JS 4却不行。矢量切片还是需要控制好大小,这样才能快速传输和渲染。
var style = {
"version": 8,
"sources": {
"osm": {
"tiles": ["https://osm-lambda.tegola.io/v1/maps/osm/{z}/{x}/{y}.pbf"],
"type": "vector"
}
},
"layers": [
{
id: "land",
type: "fill",
source: "osm",
"source-layer": "land",
minzoom: 0,
maxzoom: 24,
paint: {
"fill-color": "rgba(150, 150, 150, 1)"
}
}
],
"id": "test"
}
require([
"esri/Map",
"esri/views/MapView",
"esri/layers/VectorTileLayer",
"dojo/domReady!"
], function(Map, MapView, VectorTileLayer) {
var map = new Map();
var view = new MapView({
container: "map",
map: map,
center: [-98.5795, 39.8283],
zoom: 2,
});
var tileLyr = new VectorTileLayer({
style: style
});
map.add(tileLyr);
});