1 <!doctype html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <!-- 移动端优化 --> 6 <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"> 7 <title>Into to layers</title> 8 9 <!-- JS API的引入 --> 10 <link rel="stylesheet" href="https://js.arcgis.com/4.8/esri/css/main.css"> 11 <script src="https://js.arcgis.com/4.8/"></script> 12 13 <script> 14 15 </script> 16 17 <!-- 设置样式，正确显示地图 --> 18 <style> 19 html,body,#viewDiv{ 20 padding:0; 21 margin:0; 22 height:100%; 23 width:100%; 24 } 25 </style> 26 </head> 27 28 <body> 29 <div id="viewDiv"></div> 30 </body> 31 </html>
1 <script> 2 require([ 3 "esri/Map", 4 "esri/views/SceneView", 5 "dojo/domReady!" 6 ],function(Map,SceneView){ 7 // 创建地图 8 var map=new Map({ 9 basemap:"oceans" 10 }); 11 12 // 创建SceneView 13 var view=new SceneView({ 14 container:"viewDiv", 15 map:map 16 }); 17 }); 18</script>
1 <script> 2 require([ 3 "esri/Map", 4 "esri/views/SceneView", 5 "esri/layers/TileLayer", // 需要新添加的模块 6 "dojo/domReady!" 7 ],function(Map,SceneView,TileLayer){ // 注意这里也需要添加对应的类 8 // 创建地图 9 var map=new Map({ 10 basemap:"oceans" 11 }); 12 13 // 创建SceneView 14 var view=new SceneView({ 15 container:"viewDiv", 16 map:map 17 }); 18 19 var transportationLayer=new TileLayer({ 20 url:"https://server.arcgisonline.com/ArcGIS/rest/services/Reference/World_Transportation/MapServer", 21 id:"streets", // 设置其他一些属性 22 opacity:0.7 23 }); 24 25 var housingLayer=new TileLayer({ 26 url:"https://tiles.arcgis.com/tiles/nGt4QxSblgDfeJn9/arcgis/rest/services/New_York_Housing_Density/MapServer", 27 id:"ny-housing" 28 }); 29 }); 30</script>
1 var map=new Map({ 2 basemap:"oceans", 3 layers:[housingLayer] // 设置的属性 4 }); 1 map.layers.add(housingLayer); 2 map.layers.add(transportationLayer);
1 <body> 2 <div id="viewDiv"> 3 <span id="layerToggle"> 4 <input type="checkbox" id="streetsLayer" checked>Transportation 5 </span> 6 </div> 7</body>
1 <script> 2 require([ 3 "esri/Map", 4 "esri/views/SceneView", 5 "esri/layers/TileLayer", // 需要新添加的模块 6 "dojo/dom", // 用于获取HTML DOM元素 7 "dojo/on", // 用于监听HTML DOM元素上的事件 8 "dojo/domReady!" 9 ],function(Map,SceneView,TileLayer,dom,on){ // 注意这里也需要添加对应的类 10 // 创建地图 11 var map=new Map({ 12 basemap:"oceans", 13 }); 14 15 // 创建SceneView 16 var view=new SceneView({ 17 container:"viewDiv", 18 map:map 19 }); 20 21 var transportationLayer=new TileLayer({ 22 url:"https://server.arcgisonline.com/ArcGIS/rest/services/Reference/World_Transportation/MapServer", 23 id:"streets", // 设置其他一些属性 24 opacity:0.7 25 }); 26 27 var housingLayer=new TileLayer({ 28 url:"https://tiles.arcgis.com/tiles/nGt4QxSblgDfeJn9/arcgis/rest/services/New_York_Housing_Density/MapServer", 29 id:"ny-housing", 30 31 }); 32 33 map.layers.add(housingLayer); 34 map.layers.add(transportationLayer); 35 36 // 获取checkbox元素，通过dom.byId()方法 37 var streetsLayerToggle=dom.byId("streetsLayer"); 38 39 // 监听checkbox的change事件 40 on(streetsLayerToggle,"change",function(){ 41 // 当checkbox为true时，图层的visible也为true 42 transportationLayer.visible=streetsLayerToggle.checked; 43 }); 44 }); 45</script>
1 // 图层加载完成时将生成LayerView 2 // 将触发View的"layerview-create"事件 3 view.on("layerview-create",function(event){ 4 if(event.layer.id==="ny-housing"){ 5 // 加载的是housingLayer 6 console.log("LayerView for New York housing density created!",event.layerView); 7 }; 8 if(event.layer.id==="streets"){ 9 // 加载的是transportationLayer 10 console.log("LayerView for streets created!",event.layerView); 11 }; 12 });
1 // 当housing layer加载完成后，缩放到这个图层的fullExtent 2 housingLayer.when(function(){ 3 view.goTo(housingLayer.fullExtent); 4 });
1 <!doctype html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <!-- 移动端优化 --> 6 <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"> 7 <title>Into to layers</title> 8 9 <!-- JS API的引入 --> 10 <link rel="stylesheet" href="https://js.arcgis.com/4.8/esri/css/main.css"> 11 <script src="https://js.arcgis.com/4.8/"></script> 12 13 <script> 14 require([ 15 "esri/Map", 16 "esri/views/SceneView", 17 "esri/layers/TileLayer", // 需要新添加的模块 18 "dojo/dom", // 用于获取HTML DOM元素 19 "dojo/on", // 用于监听HTML DOM元素上的事件 20 "dojo/domReady!" 21 ],function(Map,SceneView,TileLayer,dom,on){ // 注意这里也需要添加对应的类 22 // 创建地图 23 var map=new Map({ 24 basemap:"oceans", 25 }); 26 27 // 创建SceneView 28 var view=new SceneView({ 29 container:"viewDiv", 30 map:map 31 }); 32 33 var transportationLayer=new TileLayer({ 34 url:"https://server.arcgisonline.com/ArcGIS/rest/services/Reference/World_Transportation/MapServer", 35 id:"streets", // 设置其他一些属性 36 opacity:0.7 37 }); 38 39 var housingLayer=new TileLayer({ 40 url:"https://tiles.arcgis.com/tiles/nGt4QxSblgDfeJn9/arcgis/rest/services/New_York_Housing_Density/MapServer", 41 id:"ny-housing", 42 43 }); 44 45 map.layers.add(housingLayer); 46 map.layers.add(transportationLayer); 47 48 // 获取checkbox元素，通过dom.byId()方法 49 var streetsLayerToggle=dom.byId("streetsLayer"); 50 51 // 监听checkbox的change事件 52 on(streetsLayerToggle,"change",function(){ 53 // 当checkbox为true时，图层的visible也为true 54 transportationLayer.visible=streetsLayerToggle.checked; 55 }); 56 57 // 图层加载完成后将生成LayerView 58 // 将触发View的"layerview-create"事件 59 view.on("layerview-create",function(event){ 60 if(event.layer.id==="ny-housing"){ 61 // 加载的是housingLayer 62 console.log("LayerView for New York housing density created!",event.layerView); 63 }; 64 if(event.layer.id==="streets"){ 65 // 加载的是transportationLayer 66 console.log("LayerView for streets created!",event.layerView); 67 }; 68 }); 69 70 // 当housing layer加载完成后，缩放到这个图层的fullExtent 71 housingLayer.when(function(){ 72 view.goTo(housingLayer.fullExtent); 73 }); 74 }); 75 </script> 76 77 <!-- 设置样式，正确显示地图 --> 78 <style> 79 html,body,#viewDiv{ 80 padding:0; 81 margin:0; 82 height:100%; 83 width:100%; 84 } 85 </style> 86 </head> 87 88 <body> 89 <div id="viewDiv"> 90 <span id="layerToggle"> 91 <input type="checkbox" id="streetsLayer" checked>Transportation 92 </span> 93 </div> 94 </body> 95 </html>
原文：https://www.cnblogs.com/wangmengdx/p/9385978.html
