[vtkusers] cell belongs to polydata

[George Zagaris]

The center calculated with vtkCellCenters should be sufficient.

Best,
George

On Mon, Aug 13, 2012 at 9:13 AM, Jacinto Perez <jacintoperez at mail.com> wrote:
> Thank you George for the response.
>
> Should it be the centroid? or with the center calculated with
> http://www.vtk.org/doc/nightly/html/classvtkCellCenters.html is Ok?
> (geometric center)
> If not, is there a class that calculate centroid of cell?
>
> Thank you for the help!
>
>
>
>
> ----- Original Message -----
>
> From: George Zagaris
>
> Sent: 07/26/12 02:19 AM
>
> To: Jacinto Perez
>
> Subject: Re: [vtkusers] cell belongs to polydata
>
>
>
> One way is to compute the cell centroid, C_i, for each cell and call
> FindCell on the other polydata. See for example, vtkDataSet::FindCell.
> FindCell will return a cellid >= 0 if inside, or < 0 otherwise.
>
> On Wed, Jul 25, 2012 at 10:15 AM, Jacinto Perez <jacintoperez at mail.com>
> wrote:
>> Hello,
>>
>> I have 2 polydatas . One is a subset of the other one.
>> I am traversing the biggest one and I want to check if the current cell of
>> the traversal belongs to the smaller one to.
>>
>> Is there a methond provided by vtk to do this?
>> Or how can I make it?
>>
>> Thank you!
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>