Cesium基础知识-3DTilese加载OSGB模型

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已于 2022-01-20 16:23:05 修改

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分类专栏：菜鸟学习编程之路 Cesium JavaScript 文章标签： javascript html

于 2022-01-20 09:56:31 首次发布

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/加载osgb文件
function CreateOSGB3Dtiles() {
var palaceTileset = new Cesium.Cesium3DTileset({
//加载倾斜示范数据
url: '../Apps/SampleData/OSGB&3Dtiles/3dtiles/tileset.json',
//控制切片的加载数量，增加性能
maximumScreenSpaceError: 2,
maximumNumberOfLoadedTiles: 100000,
})
palaceTileset.readyPromise.then(function (palaceTileset) {
//下面是只改变高度
viewer.scene.primitives.add(palaceTileset);
var heightOffset = 0.0; //高度
var boundingSphere = palaceTileset.boundingSphere;
var cartographic = Cesium.Cartographic.fromCartesian(boundingSphere.center);
var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, heightOffset);
var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3());
palaceTileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
viewer.zoomTo(palaceTileset, new Cesium.HeadingPitchRange(0.5, -0.2, palaceTileset.boundingSphere.radius * 1.0));
});
}
CreateOSGB3Dtiles();