I have tried the routines grabWidget and gradWindow(pix = QPixmap::grabWidget(myOCC);pix = QPixmap::grabWindow(myOCC->winId())). But both are delivering only an empty pixmap. If i grab the next higher widget i can see the window but the area of the 3d-output is still empty.
I have also tried myOCC->render(&pixmap) with the same result.
How can i grab the 3d-window from QtOcc?