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https://github.com/jiawanlong/Cesium-Examples.git
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99 lines
4.5 KiB
HTML
99 lines
4.5 KiB
HTML
<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJjM2EzNGJmNy02N2RmLTQ0MDMtYjI2MS1hZTJiMTIwZGYwMTYiLCJpZCI6MzA0MzEyLCJpYXQiOjE3NDc3MjM3MTV9.ePQNhuoVuDsi_z00lTm5W26wyW1Adcr1AWetGM6WSXI'
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const viewer = new Cesium.Viewer('map', {});
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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const tileset = new Cesium.Cesium3DTileset({
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url: "./data/tileset.json",
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});
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tileset.readyPromise
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.then(function (tileset) {
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viewer.scene.primitives.add(tileset);
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viewer.zoomTo(tileset)
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})
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.catch(function (error) {
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console.log(error);
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});
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// 0、取消默认的单击和双击事件，右上角弹窗很丑
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viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK);
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viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
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let handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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// handler.setInputAction(function (clickEvent) {
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// // 经纬度坐标
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// var position = viewer.scene.camera.pickEllipsoid(clickEvent.position, viewer.scene.globe.ellipsoid);
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// var cartesian3 = new Cesium.Cartesian3(position.x, position.y, position.z)
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// var cartographic = viewer.scene.globe.ellipsoid.cartesianToCartographic(cartesian3);
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// var lat = Cesium.Math.toDegrees(cartographic.latitude);
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// var lng = Cesium.Math.toDegrees(cartographic.longitude);
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// // 获取被点击的实体
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// var ray1 = viewer.camera.getPickRay(clickEvent.position);
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// var cartesian = viewer.scene.globe.pick(ray1, viewer.scene);
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// var pick = viewer.scene.pickPosition(clickEvent.position);
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// var pickEd = viewer.scene.pick(clickEvent.position);
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// if (pickEd && pick) {
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// // console.log(pickEd)
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// var r = 255;
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// var g = 255;
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// var b = 255;
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// var a = 0.99;
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// tileset.style = new Cesium.Cesium3DTileStyle({ color: "color('rgba(" + r + "," + g + "," + b + ", " + a + ")')" })
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// }
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// }, Cesium.ScreenSpaceEventType.LEFT_CLICK)
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/*鼠标移动选择开始*/
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var silhouetteBlue = Cesium.PostProcessStageLibrary.createEdgeDetectionStage();
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silhouetteBlue.uniforms.color = Cesium.Color.BLUE;
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silhouetteBlue.uniforms.length = 0.01;
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silhouetteBlue.selected = [];
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var silhouetteGreen = Cesium.PostProcessStageLibrary.createEdgeDetectionStage();
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silhouetteGreen.uniforms.color = Cesium.Color.LIME;
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silhouetteGreen.uniforms.length = 0.01;
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silhouetteGreen.selected = [];
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viewer.scene.postProcessStages.add(Cesium.PostProcessStageLibrary.createSilhouetteStage([silhouetteBlue, silhouetteGreen]));
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viewer.screenSpaceEventHandler.setInputAction(function onMouseMove(movement) {
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var pickedFeature = viewer.scene.pick(movement.endPosition);
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if (Cesium.defined(pickedFeature)) {
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if (pickedFeature == silhouetteGreen.selected[0]) {
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silhouetteBlue.selected = [];
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} else {
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silhouetteBlue.selected = [pickedFeature];
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}
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}
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}, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
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viewer.screenSpaceEventHandler.setInputAction(function leftClick(movement) {
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var pickedFeature = viewer.scene.pick(movement.position);
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if (Cesium.defined(pickedFeature)) {
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silhouetteGreen.selected = [pickedFeature];
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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/*鼠标移动选择结束*/
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</script>
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</body>
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</html> |