2025-03-11 08:25:45 +00:00
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<!--********************************************************************
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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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2025-03-19 03:00:22 +00:00
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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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2025-03-11 08:25:45 +00:00
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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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<div style="position: absolute;left: 10px;top: 10px;z-index: 1000;" class="toolbar">
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<label>X轴尺寸</label> <br />
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<input type="range" min="5" max="2500" step="1" oninput="changeScale()" id="ScaleX" value="1437">
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<input type="text" style="width:70px; " id="ScaleXValue" value="1437" onchange="changeScaleX()"> <br>
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<label>Y轴尺寸</label> <br />
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<input type="range" min="5" max="1500" step="1" oninput="changeScale()" id="ScaleY" value="500">
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<input type="text" style="width:70px; " id="ScaleYValue" value="500" onchange="changeScaleY()"> <br>
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<label>亮度</label> <br />
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<input type="range" min="0" max="1" step="0.01" oninput="changeBrightness()" id="Brightness" value="1">
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<input type="text" style="width:70px; " id="BrightnessValue" value="1" onchange="changeBrightnessValue()"> <br>
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</div>
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {
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contextOptions: {
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webgl: {
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// preserveDrawingBuffer: true // 设置为 true 来启用
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}
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}
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});
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viewer.scene.debugShowFramesPerSecond = true;
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viewer.scene.globe.depthTestAgainstTerrain = true;
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var clouds = viewer.scene.primitives.add(
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new Cesium.CloudCollection({
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noiseDetail: 16.0,
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})
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);
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//添加云
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var cloud = clouds.add({
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position: Cesium.Cartesian3.fromDegrees(114.39264, 30.52252, 200),
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scale: new Cesium.Cartesian2(25, 12),
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slice: 0.36,
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brightness: 1,
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})
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//设置相机位置及方向
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(114.401867, 30.520423, 243.7),
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duration: 2,
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orientation: {
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heading: Cesium.Math.toRadians(281.8),
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pitch: Cesium.Math.toRadians( -6.6),
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roll: 0.0
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}
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});
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var ScaleX = document.getElementById('ScaleX'); //X轴尺寸
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var ScaleXValue = document.getElementById('ScaleXValue'); //ScaleX滑动条值
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var ScaleY = document.getElementById('ScaleY'); //Y轴尺寸
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var ScaleYValue = document.getElementById('ScaleYValue'); //ScaleY滑动条值
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var Brightness = document.getElementById('Brightness'); //亮度
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var BrightnessValue = document.getElementById('BrightnessValue'); //亮度滑动条值
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changeScale()
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//Scale滑动条
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function changeScale() {
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//拿到scaleX滑动条当前值
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var sX = Number(ScaleX.value);
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//文本框显示当前值
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ScaleXValue.value = sX;
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//拿到scaleY滑动条当前值
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var sY = Number(ScaleY.value);
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//x轴旋转文本框显示当前值
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ScaleYValue.value = sY;
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//修改云的比例
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cloud.scale = new Cesium.Cartesian2(sX, sY);
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}
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//ScaleX文本框
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function changeScaleX() {
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//拿到scaleX文本框的值并赋值给滑动条
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ScaleX.value = Number(ScaleXValue.value);
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changeScale();
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}
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//ScaleY文本框
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function changeScaleY() {
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//拿到scaleY文本框的值并赋值给滑动条
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ScaleY.value = Number(ScaleYValue.value);
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changeScale();
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}
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//Brightness滑动条
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function changeBrightness() {
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//拿到Brightness滑动条滑动条当前值
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var brightness = Number(Brightness.value);
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//文本框显示当前值
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BrightnessValue.value = brightness;
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//修改云的亮度
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cloud.brightness = brightness;
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}
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//Brightness文本框
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function changeBrightnessValue() {
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//拿到文本框的值并赋值给滑动条
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Brightness.value = Number(BrightnessValue.value);
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changeBrightness();
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}
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</script>
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</body>
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</html>
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