[vtkusers] shadows on textured surface

[Zsolt V]

Thanks for the response.
Yes, I tried *VTK_TEXTURE_BLENDING_MODE_MODULATE, and I've got the same*result.
(I tried all other blending modes as well, without success.)

Zsolt

2011/3/7 Aashish Chaudhary <aashish.chaudhary at kitware.com>

> Sounds like a bug to me. Can you try setting the blending mode of the
> texture to
>
> *VTK_TEXTURE_BLENDING_MODE_MODULATE*
> *
> *
> ***Thanks, *
> *
> *
> On Mon, Mar 7, 2011 at 7:35 AM, Zsolt V <vtkzsolt at gmail.com> wrote:
>
>> Hi,
>>
>> I am trying to cast shadows on textured surfaces. I use VTK 5.6 and the
>> test code found in the package: TestShadowMapPass.cxx.
>> The original program works well, the shadows of the objects appear on the
>> surface. However, when I add texture to the rectangle, shadows disappear.
>> I added the following lines to the original code:
>>
>> vtkSmartPointer<vtkImageReader2> floorReader =
>> vtkSmartPointer<vtkPNGReader>::New();
>> vtkSmartPointer<vtkTexture> floorTexture;
>> floorReader->SetFileName(TEXTUREFILE);
>> floorTexture = vtkSmartPointer<vtkTexture>::New();
>> floorTexture->InterpolateOn();
>> floorTexture->RepeatOn();
>> floorTexture->SetInput(floorReader->GetOutput());
>> rectangleActor->SetTexture(floorTexture);
>> rectangleActor->GetProperty()->SetDiffuseColor(0.75, 0.75, 0.75);
>>
>> What is the correct way to visualize both textures and shadows in VTK?
>> Thanks for your help in advance.
>>
>> Best regards,
>> Zsolt
>>
>>
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>
>
> --
> | Aashish Chaudhary
> | R&D Engineer
> | Kitware Inc.
> | www.kitware.com
>
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