[vtkusers] vtkOBBTree questions

[David Doria]

On Sat, Oct 24, 2009 at 11:03 AM, David Doria <daviddoria+vtk at gmail.com> wrote:
> 1) In this function:
>
> ComputeOBB(vtkPoints *pts, double corner[3], double max[3], double
> mid[3], double min[3], double size[3])
> "Compute an OBB from the list of points given. Return the corner point
> and the three axes defining the orientation of the OBB. Also return a
> sorted list of relative "sizes" of axes for comparison purposes."
>
> I don't understand what min, mid, max, size are. It says it returns
> the corner and the three axes of the box, but I don't see how that is
> encoded in these variables. You'd also need to know the length of each
> of the sides of the box - maybe that has something to do with size[]?
>
> 2) How would one iterate over every leaf at a particular level of the
> tree? For example, say I want to get a list of triangles that are in
> each leaf at level 4 of the tree. How would I do that?
>
> Thanks,
>
> David

Any thoughts on this?

Thanks,

David