Cesium-Examples/examples/cesiumEx/1.0、格网.html
2025-05-29 10:59:44 +08:00

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HTML

<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
<script src="./latlng.js"></script>
</head>
<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
<script type="text/javascript">
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIyNDMxOTA2NS1lY2Q3LTQ0YmUtOTE1Mi1iNWE2OGYwZjc0MjkiLCJpZCI6MjM1NjMwLCJpYXQiOjE3MzA3MjQzMTJ9.Xhu-9FyVEyqBKWEr0V9Sybt-elTCWHt9peL9-mNh-4E'
const viewer = new Cesium.Viewer('map', {});
var xyz = new Cesium.UrlTemplateImageryProvider({
"url": '///data.mars3d.cn/tile/img/{z}/{x}/{y}.jpg'
})
viewer.imageryLayers.addImageryProvider(xyz)
let coordinates = Cesium.Rectangle.fromDegrees(-180.0, -90.0, 180, 90.0)
const gridMaterial = new Cesium.GridMaterialProperty({
});
let rectangle = viewer.entities.add({
rectangle: {
coordinates: coordinates,
material: gridMaterial
}
});
viewer.camera.moveEnd.addEventListener(callbackFunc);
function callbackFunc(event) {
let bounds = latlng.getViewBounds(viewer)
if (bounds.northeast.lng == 180 && rectangle.rectangle.coordinates.getValue().east.toFixed(7) == '3.1415927') {
} else {
rectangle.rectangle.coordinates = Cesium.Rectangle.fromDegrees(bounds.southwest.lng, bounds.southwest.lat, bounds.northeast.lng, bounds.northeast.lat)
}
}
</script>
</body>
</html>