[vtkusers] Points inside a Volume

[Jothy]

It will work for 3D meshes, since it uses ray tracing it works well for even
concave meshes.

Jothy

On Mon, Aug 16, 2010 at 9:43 PM, Alex Southern <aps at tml.hut.fi> wrote:

>  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>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> 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>  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>
>>  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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