[vtkusers] find interpolated scalar at arbitrary point in unstructured volume

[Liam Kurmos]

> VTK does provide functionality for what you describe.
> You can can call FindCell on your unstructured dataset
> with your point query and it will return the cell Id that
> contains the point as well as the interpolation and parametric
> coordinates w.r.t. the donor cell.

awesome, thanks George.

btw, do you know roughly what of method is used to find the cell?

This functionality is also wrapped
> by the vtkProbeFilter.

great to know about, it could be very useful sometime.

best regards,

Liam


>
> Best Regards,
> George
>
>
>> ------------------------------
>>
>> Message: 6
>> Date: Sun, 10 Apr 2011 15:47:04 +0100
>> From: Liam Kurmos <quantum.leaf at gmail.com>
>> Subject: [vtkusers] find interpolated scalar at arbitrary point in
>>        unstructured volume
>> To: vtk <vtkusers at vtk.org>
>> Message-ID: <BANLkTimQRf_Nv7jOCK+pWcup3YfprakvJQ at mail.gmail.com>
>> Content-Type: text/plain; charset=ISO-8859-1
>>
>> i have a vtkunstructuredgrid volume dataset with a scalar field
>> defined at each point in the point data. What methods should i use to
>> find the interpolated value at an arbitrary point in the volume?
>> if this is not provided in vtk is there a way to find which cell a
>> particular value is in?
>>
>> Liam
>>
>>
>> ------------------------------
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