public void Geometry3DSample(Scene sceneObject)
 {
    // 得到顶层的三维要素对象
    Layer3D layer3D = sceneObject.Layers.Add(@"D:\SampleData\kml.kml",Layer3DType.KML, true);
    Feature3D feature3D = layer3D.Features[0] as Feature3D;

    // 获得三维要素对应的三维几何对象
    GeoPlacemark geoPlacemark = feature3D.Geometry as GeoPlacemark;
     Geometry3D geometry3D = geoPlacemark.Geometry as Geometry3D;

    // 将三维几何对象进行平移
    geometry3D.Offset(10, 10, 12);

    // 设置三维几何对象的属性
    geometry3D.ID = 25;
    geometry3D.Position = new Point3D(20, 25, 20);
    geometry3D.RotationX = 10;
    geometry3D.RotationY = 15;
    geometry3D.RotationZ = 5;
    geometry3D.ScaleX = 0.5;
    geometry3D.ScaleY = 0.8;
    geometry3D.ScaleZ = 1.2;

    // 释放资源
    geometry3D.Dispose();
    feature3D.Dispose();
}