[vtkusers] Points inside a Volume

[Alex Southern]

  Hi

"vtkPolygon->PointInPolygon()"

Interesting, does this just work for a 2D plane, or will it work for a 
whole volume of polygons?

Thanks
Alex

On 16/08/2010 14:15, Jothy wrote:
> Can't vtkPolygon->PointInPolygon() do this?
>
> Thanks
>
> Jothy
>
> On Mon, Aug 16, 2010 at 12:13 PM, Bill Lorensen 
> <bill.lorensen at gmail.com <mailto:bill.lorensen at gmail.com>> wrote:
>
>     How is the closed volume of triangles created?
>
>     On Sun, Aug 15, 2010 at 5:09 PM, Alex Southern <aps at tml.hut.fi
>     <mailto:aps at tml.hut.fi>> wrote:
>     >  The polydata comes from a closed volume of triangles.
>     >
>     > BR
>     > A.
>     >
>     > On 16/08/2010 00:06, Bill Lorensen wrote:
>     >>
>     >> Is the polydata derived from a image/volume?
>     >>
>     >>
>     >> On Sun, Aug 15, 2010 at 4:54 PM, Alex Southern<aps at tml.hut.fi
>     <mailto:aps at tml.hut.fi>>  wrote:
>     >>>
>     >>>  Hi Bill,
>     >>>
>     >>> I've thought about it a bit and i'm not quite sure what your
>     getting at,
>     >>> is
>     >>> the answer staring me in the face? :D
>     >>>
>     >>> A.
>     >>>
>     >>>
>     >>>
>     >>> On 15/08/2010 23:45, Bill Lorensen wrote:
>     >>>>
>     >>>> What is the source of the polydata?
>     >>>>
>     >>>> This is a trick question...
>     >>>>
>     >>>> Bill
>     >>>>
>     >>>> On Sat, Aug 14, 2010 at 7:28 AM, Alex Southern<aps at tml.hut.fi
>     <mailto:aps at tml.hut.fi>>    wrote:
>     >>>>>
>     >>>>> Hi,
>     >>>>>
>     >>>>> I've asked a similar question here before but Im going to
>     ask it again
>     >>>>> slightly differently.
>     >>>>>
>     >>>>> Using VTK, What is the fastest way to find all points in a
>     grid, (or
>     >>>>> all
>     >>>>> cubes if you think of it a another way),  that fit inside an
>     arbitrary
>     >>>>> shaped volume of polydata?
>     >>>>>
>     >>>>> I tried vtkEnclosedPoints, it works but its very slow.
>     Someone did
>     >>>>> suggest
>     >>>>> to me using templates does this ring any bells?
>     >>>>>
>     >>>>> Thanks
>     >>>>> Alex
>     >>>>> _______________________________________________
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