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How to annotate an image displayed in QGraphicsView? I should be able to select a region of interest(an rectange) by mouse and then attonate it. An example is shown above of how the attonation should be.
@Girin
Can you explain what you mean by "attonation"?
Your image looks like a MRI / MRT-image?!
Edit:
Do you mean "annotation"? So basically you want to draw a rectangle around your area?!
@Pl45m4 Sorry!, yes it is annotation. I want to select a region in the image, so the i can do some image processing on that particular region.
Have a look at this thread. The OP there asked for something similar.
You could solve it with QRubberBand or you paint your own rect / rectItem after clicking and while moving your mouse.
QRubberBand
Thank You very much. I will look onto it.