[vtkusers] get tcoords from pointId

[marco]

Thank you


On 12/18/2014 02:33 PM, Cory Quammen wrote:
> Hi Marco,
>
> Texture coordinates are stored in an array in a vtkDataSet's
> vtkPointData object. Say you have a vtkPolyData with texture
> coordinates. To access it, you would do something like
>
> vtkPointData* pd = polyData->GetPointData();
> vtkDataArray* tcoords = pd->GetTCoords();
>
> // Let's assume the tcoords are in a vtkFloatArray
> vtkFloatArray* floatTcoords = vtkFloatArray::SafeDownCast(tcoords);
> if (floatTCoords)
>    {
>    float texCoord[3];
>    floatTcoords->GetTupleValue(pointId, texCoord);
>
>    // do something with texCoord
>    }
>
> I hope that helps,
> Cory
>
> On Thu, Dec 18, 2014 at 1:58 PM, marco <piccima at gmail.com> wrote:
>> Hello,
>> maybe it has been deprecated but I cannot find a method like
>> GetTcoords(pointId)!
>> Is there something similar in the library?
>>
>> Thank you
>>
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>