Hi all.
I’m using vtkImageViewer2 with vtkImageData to draw the mono8 image.
My code is as below:
vtkNew<vtkImageData> imageData;
vtkSmartPointer<vtkAbstractArray> arr;
arr = vtkUnsignedCharArray::New();
vtkSmartPointer<vtkUnsignedCharArray> tmp = dynamic_cast<vtkUnsignedCharArray*>(arr.Get());
tmp->SetArray((unsigned char*)ptr, w*h*bpp / 8, 1);
imageData->GetPointData()->SetScalars(tmp);
imageData->SetDimensions(w, h, 1);
imageData->SetExtent(0, w - 1, 0, h - 1, 0, (1 << bpp) - 1);
m_imageViewer->GetRenderWindow()->Render();
It works well. But I don’t know how to using vtkImageData with RGB byte array.
Could you please advise me, how to convert from RGB byte array to vtkImageData?
Thank you.