[vtkusers] how can I add a 2D image to the render window

[David Cole]

Did you try calling vtkRenderWindow::Render after the AddActor2D call? 
It's not automatic, so that you can do many AddActor calls in a row and 
then call Render at the end...

HTH,
David

Jesse Corrington wrote:

> I am trying to add a 2D image to the render window, and nothing is 
> showing up. What am i doing wrong. Thanks
>
> //add vg logo
> char fullPath[512];
> sprintf(fullPath, "%s/vglogo.bmp", directory.c_str());
>
> vtkImageReader *reader = vtkImageReader::New();
> reader->SetFileName("vglogo.bmp");
> reader->Update();
>
> vtkImageMapper *mapper = vtkImageMapper::New();
> mapper->SetInput(reader->GetOutput());
>
> vgLogo = vtkActor2D::New();
> vgLogo->SetMapper(mapper);
> pvtkRenderer->AddActor2D(vgLogo);
>
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