Re: Intersection testing

From: Boris Mansencal (boris.mansencal++at++inria.fr)
Date: 02/14/2001 00:30:56

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Angus Dorbie wrote:
>
> Boris Mansencal wrote:
> >
> > Hi,
> >
> > I would like to get all the geometries intersected by a segment.
> > It is not possible with pfNode::isect(pfSegSet *segSet, pfHit **hits[],
> > isn't it ?
> >
>
> It is possible.
>
> > So, why do we need to give a pfHit **[] and not only a pfHit *[] if we
> > get only
> > one intersection point by segment ?
>
> Because it's possible :-)
>

So, as isect returns n the number of intersections, I will have n pfHit*
from hits[0], right ?
Is it still working with several segments ? How do I know the number of
intersections for a given segment ?

Thanks again.

Boris.

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