Machine Vision

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rectangular roi manipulation using mouse drag

Hi all,


I am obtaining a rectangular ROI using the property node "ROI" of the image.

Now I want to edit/manipulate the same ROI(maybe stretch it or shrink it).

How can I do it?



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do you want to change the ROI manually or programatically?


If you change the ROI manually (which seems to be your question), the change gets updated via the ROI property node also so you can read the new values.


If you want to change the ROI programatically, use the ROI property node, but write the new values instead of reading.


Best regards,


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