Hi, I love VTK but im kind of struggling right now:
double[] viewport=viewportRenderer.GetViewport();
vtkWindowToImageFilter imageFilter = vtkWindowToImageFilter.New();
imageFilter.SetInput(RenderWindow);
imageFilter.SetViewport(viewport[0],viewport[1],viewport[2],viewport[3]);
imageFilter.Update();
vtkImageData imageData = imageFilter.GetOutput();
Bitmap result = imageData.ToBitmap();
result.Save(@"C:\test\viewportsbitmaps\test3.bmp");
vtkBMPReader reader = vtkBMPReader.New();
int i = reader.CanReadFile(@"C:\test\viewportsbitmaps\test3.bmp");
CanReadFile() returns 0. I cant figure out how to use ToBitmap() in a way, that i can use result again in vtk using Activiz with vtk5