ceisum_加载倾斜摄影模型

var offset = function(height,tileset) {
　　console.log(height);
　　height = Number(height);
　　if (isNaN(height)) {
　　　　return;
　　}
　　var cartographic = Cesium.Cartographic.fromCartesian(tileset.boundingSphere.center);
　　var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
　　var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, height);
　　var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3());
　　tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
};
// 加载倾斜摄影模型
var tileset = new Cesium.Cesium3DTileset({ url: ‘/‘ });
tileset.readyPromise.then(function(tileset) {
　　viewer.scene.primitives.add(tileset);
　　offset(100,tileset);
　　var boundingSphere = tileset.boundingSphere;
　　viewer.camera.viewBoundingSphere(boundingSphere, new Cesium.HeadingPitchRange(0.0, -0.5, boundingSphere.radius));
　　viewer.camera.lookAtTransform(Cesium.Matrix4.IDENTITY);
}).otherwise(function(error) {
　　console.log(error);
});