[vtkusers] question about using vtkOBBTree to find minimal bounding box

[Gideon Valch]

Thanks Goodwin! I took your advice and looked at GeneralRepresentation.  In
fact, there's already an example (VisualizeOBBTree) that uses it.

On Mon, Feb 4, 2013 at 4:44 PM, Goodwin Lawlor <
goodwin.lawlor.lists at gmail.com> wrote:

> Hi Gideon,
>
> Have a look at how the vtkOBBTree::GeneratePolygons() method does it:
>
> http://goo.gl/E854h
>
> Or just use the public method vtkOBBTree::GenerateRepresentation (int
> level, vtkPolyData *pd)
>
> hth,
>
> Goodwin
>
>
>
> On Tue, Feb 5, 2013 at 3:07 AM, Gideon Valch <gvalch1237 at gmail.com> wrote:
> > Hello all,
> >
> > I'm a relative newbie to VTK and I've been trying to figure out how to
> use
> > vtkOBBTree to draw a minimal bounding box.  I've looked at the previous
> > postings in the archives...and while they've been helpful,  I still think
> > I'm missing something.  How is the box formed from the axes?  Please see
> > attached image.  It is a screengrab of the Stanford HappyBuddha (stand
> > right) with axes drawn using vtkOBBTree.
> >
> >  I've included the python program.  Any help would be appreciated. I'm
> not
> > sure how size and corner are used with the 3 axes (max,mid and min) to
> > define the bounding box.
> >
> >
> > Thanks,
> > Gideon
> >
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