/// <summary>
/// Constructs a new tree with an element for each pointcloud point.
/// </summary>
/// <param name="cloud">A pointcloud.</param>
/// <returns>A new tree, or null on error.</returns>
public static RTree CreatePointCloudTree(PointCloud cloud)
{
RTree rc = new RTree();
IntPtr pRtree = rc.NonConstPointer();
IntPtr pConstCloud = cloud.ConstPointer();
if (!UnsafeNativeMethods.ON_RTree_CreatePointCloudTree(pRtree, pConstCloud))
{
rc.Dispose();
return(null);
}
uint size = UnsafeNativeMethods.ON_RTree_SizeOf(pRtree);
rc.m_memory_pressure = size;
GC.AddMemoryPressure(rc.m_memory_pressure);
return(rc);
}
/// <summary>
/// Constructs a new tree with an element for each face in the mesh.
/// The element id is set to the index of the face.
/// </summary>
/// <param name="mesh">A mesh.</param>
/// <returns>A new tree, or null on error.</returns>
public static RTree CreateMeshFaceTree(Mesh mesh)
{
if (mesh == null)
{
throw new ArgumentNullException(nameof(mesh));
}
RTree rc = new RTree();
IntPtr pRtree = rc.NonConstPointer();
IntPtr pConstMesh = mesh.ConstPointer();
if (!UnsafeNativeMethods.ON_RTree_CreateMeshFaceTree(pRtree, pConstMesh))
{
rc.Dispose();
return(null);
}
uint size = UnsafeNativeMethods.ON_RTree_SizeOf(pRtree);
rc.m_memory_pressure = size;
GC.AddMemoryPressure(rc.m_memory_pressure);
rc.m_count = mesh.Faces.Count;
GC.KeepAlive(mesh);
return(rc);
}
/// <summary>
/// Constructs a new tree with an element for each pointcloud point.
/// </summary>
/// <param name="cloud">A pointcloud.</param>
/// <returns>A new tree, or null on error.</returns>
public static RTree CreatePointCloudTree(PointCloud cloud)
{
RTree rc = new RTree();
IntPtr pRtree = rc.NonConstPointer();
IntPtr pConstCloud = cloud.ConstPointer();
if (!UnsafeNativeMethods.ON_RTree_CreatePointCloudTree(pRtree, pConstCloud))
{
rc.Dispose();
return null;
}
uint size = UnsafeNativeMethods.ON_RTree_SizeOf(pRtree);
rc.m_memory_pressure = size;
GC.AddMemoryPressure(rc.m_memory_pressure);
return rc;
}