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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<script src="./latlng.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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2025-05-18 11:30:00 +00:00
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJjM2EzNGJmNy02N2RmLTQ0MDMtYjI2MS1hZTJiMTIwZGYwMTYiLCJpZCI6MzA0MzEyLCJpYXQiOjE3NDc3MjM3MTV9.ePQNhuoVuDsi_z00lTm5W26wyW1Adcr1AWetGM6WSXI'
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2025-03-11 08:25:45 +00:00
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const viewer = new Cesium.Viewer('map', {});
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var xyz = new Cesium.UrlTemplateImageryProvider({
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"url": '///data.mars3d.cn/tile/img/{z}/{x}/{y}.jpg'
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})
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viewer.imageryLayers.addImageryProvider(xyz)
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let coordinates = Cesium.Rectangle.fromDegrees(-180.0, -90.0, 180, 90.0)
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const gridMaterial = new Cesium.GridMaterialProperty({
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});
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let rectangle = viewer.entities.add({
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rectangle: {
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coordinates: coordinates,
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material: gridMaterial
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}
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});
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viewer.camera.moveEnd.addEventListener(callbackFunc);
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function callbackFunc(event) {
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let bounds = latlng.getViewBounds(viewer)
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if (bounds.northeast.lng == 180 && rectangle.rectangle.coordinates.getValue().east.toFixed(7) == '3.1415927') {
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} else {
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rectangle.rectangle.coordinates = Cesium.Rectangle.fromDegrees(bounds.southwest.lng, bounds.southwest.lat, bounds.northeast.lng, bounds.northeast.lat)
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}
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}
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</script>
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</body>
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</html>
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