267 lines
10 KiB
HTML
267 lines
10 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>加载geojson数据模型</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet">
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<script type="text/javascript" src="../Build/Cesium/Cesium.js"></script>
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<script type="text/javascript" src="../common/js/Cesium_init.js"></script>
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<style>
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html,body
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{
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width:100%;
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height:100%;
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padding:0;
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margin:0
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}
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</style>
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</head>
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<body>
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<div id = "cesiumContainer" style="width:100%;height:100%;">
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</div>
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<div id="fly_operator_container" style="position:absolute;z-index:9;top:10px;left:10px;">
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<button onclick="initDefaultStyle()">加载数据</button>
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<span style="color:white">拾取边框颜色：</span><input id = "border_color" type="color" onchange="borderColorSelect()"></input>
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<span style="color:white">拾取填充颜色：</span><input id = "fill_color" type="color" onchange="fillColorSelect()"></input>
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<span style="color:white">填充透明度：</span><input type="range" min="0" max="1" value="1" step="0.05" id="fill_alpha" onchange="fillAlphaSelect()"></input>
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<span style="color:white;display: none">边框粗细：</span><input style="display:none" type="number" min="0" max="15" value="10" id="border_size" onchange="borderSize()"></input>
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<button onclick="initClasses()">分类渲染</button>
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<button onclick="setPolygonHeight()">设置单个数据高度</button>
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<button onclick="setPolygonColor()">设置单个数据颜色</button>
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<button onclick="setPolygonAlpha()">设置单个数据透明度</button>
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<button onclick="setAllPolygonHeight()">随机设置所有图形高度</button>
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<input type="checkbox" id="setPolygonShow" onchange="setPolygonShow()" checked /><span style="margin-right:10px;color:white">设置单个数据是否显示</span> <br>
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</div>
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<script>
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//cesium_container 对应容器div 的ID
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//地图资源
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var GoogleMap = ImageryProviderWebExtendTool.createGoogleMapsByUrl(Cesium, { url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}" });
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var viewer = new Cesium.Viewer('cesiumContainer', {
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imageryProvider: GoogleMap,
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shouldAnimate : false,
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selectionIndicator: false,
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baseLayerPicker:false,
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homeButton:false,
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animation: true,
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timeline:true,
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geocoder: false,
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sceneModePicker: false,
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navigationHelpButton: false,
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infoBox: false,
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fullscreenButton: false
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});
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/**
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* 加载默认样式
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*/
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function initDefaultStyle()
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{
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reset();
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var promise = viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json'));
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promise.then(function(dataSource) {
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 修改边框颜色
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**/
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function borderColorSelect()
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{
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reset();
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var promise =viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json', {
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stroke: Cesium.Color.fromCssColorString(document.getElementById("border_color").value),
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fill: Cesium.Color.fromCssColorString(document.getElementById("fill_color").value).withAlpha(Number(document.getElementById("fill_alpha").value)),
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strokeWidth: Number(document.getElementById("border_size").value),
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}));
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promise.then(function(dataSource) {
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 修改填充颜色
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**/
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function fillColorSelect()
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{
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reset();
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var promise =viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json', {
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stroke: Cesium.Color.fromCssColorString(document.getElementById("border_color").value),
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fill: Cesium.Color.fromCssColorString(document.getElementById("fill_color").value).withAlpha(Number(document.getElementById("fill_alpha").value)),
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strokeWidth: Number(document.getElementById("border_size").value)
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}));
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promise.then(function(dataSource) {
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 修改填充透明度
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**/
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function fillAlphaSelect()
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{
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reset();
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var promise =viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json', {
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stroke: Cesium.Color.fromCssColorString(document.getElementById("border_color").value),
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fill: Cesium.Color.fromCssColorString(document.getElementById("fill_color").value).withAlpha(Number(document.getElementById("fill_alpha").value)),
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strokeWidth: Number(document.getElementById("border_size").value),
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}));
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promise.then(function(dataSource) {
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 修改边框粗细
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**/
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function borderSize()
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{
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reset();
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var promise =viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json', {
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stroke: Cesium.Color.fromCssColorString(document.getElementById("border_color").value),
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fill: Cesium.Color.fromCssColorString(document.getElementById("fill_color").value).withAlpha(Number(document.getElementById("fill_alpha").value)),
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strokeWidth: Number(document.getElementById("border_size").value)
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}));
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promise.then(function(dataSource) {
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 分类渲染
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**/
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function initClasses()
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{
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reset();
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Cesium.Math.setRandomNumberSeed(0);
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var promise = viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../3dmap/common/data/china.json'));
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promise.then(function(dataSource) {
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var entities = dataSource.entities.values;
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var colorHash = {};
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for (var i = 0; i < entities.length; i++)
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{
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var entity = entities[i];
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entity.polygon.material = Cesium.Color.fromRandom({alpha : 0.7 });
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entity.polygon.outline = false;
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// label = {
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// text: entity.name,
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// font : '12px Helvetica',
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// fillColor : Cesium.Color.WHITE,
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// outlineColor : Cesium.Color.BLACK,
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// outlineWidth : 4,
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// style : Cesium.LabelStyle.FILL_AND_OUTLINE,
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// verticalOrigin : Cesium.VerticalOrigin.BOTTOM,
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// pixelOffset : new Cesium.Cartesian2(0, -9)
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// };
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// entity.label = label;
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}
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showName();
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}).otherwise(function(error){
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window.alert(error);
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});
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}
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/**
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* 设置单个图形高度
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*/
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function setPolygonHeight()
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{
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if(viewer.dataSources.length>0)
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viewer.dataSources.get(0).entities.values[0].polygon.extrudedHeight= 100000;
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}
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/**
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* 设置单个图形颜色
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*/
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function setPolygonColor()
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{
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if(viewer.dataSources.length>0)
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viewer.dataSources.get(0).entities.values[0].polygon.material= Cesium.Color.fromRandom({alpha : 1.0});
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}
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/**
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* 设置单个图形透明度
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*/
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function setPolygonAlpha()
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{
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if(viewer.dataSources.length>0)
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{
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let color = viewer.dataSources.get(0).entities.values[0].polygon.material.color.getValue();
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color.alpha = Math.random();
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viewer.dataSources.get(0).entities.values[0].polygon.material.color.setValue(color);
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}
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}
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/**
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* 随机设置所有图形高度
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*/
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function setAllPolygonHeight()
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{
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if(viewer.dataSources.length>0)
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{
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for(let i = 0;i<viewer.dataSources.get(0).entities.values.length;i++)
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{
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viewer.dataSources.get(0).entities.values[i].polygon.extrudedHeight= 500000*Math.random();
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}
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}
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}
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/**
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* 设置图形是否显示
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**/
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function setPolygonShow()
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{
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let select = document.getElementById("setPolygonShow");
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if(viewer.dataSources.length>0)
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viewer.dataSources.get(0).entities.values[0].show = select.checked?true:false;
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}
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/**
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* 显示名称
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**/
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function showName()
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{
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if(viewer.dataSources.length>0)
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{
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let entities = viewer.dataSources.get(0).entities.values;
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for(let i = 0;i<entities.length;i++)
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{
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let entity = entities[i];
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let location = entity.properties.cp.getValue();
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viewer.entities.add({
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position : Cesium.Cartesian3.fromDegrees(location[0],location[1]),
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label : {
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text : entity.name
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}
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});
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}
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}
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}
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/**
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* 重置数据源
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**/
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function reset()
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{
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viewer.dataSources.removeAll();
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viewer.entities.removeAll();
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viewer.camera.lookAt(Cesium.Cartesian3.fromDegrees(116.2345 , 39.34555), new Cesium.Cartesian3(0.0, -4790000.0, 10000.0));
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}
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</script>
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</body>
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</html> |