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Make in Gray outside an ROI

Hi all,

I use LabView 2013 and W10 as OS.

I am using Imaq ROI and I would like to make in gray the area outside a defined ROI.

For example, if I define an ROI as a circle, I would like to have all the area outside the circle ROI in gray. The goal is that the user focus only to see inside the defined ROI.

To define an ROI, I use Image display of vision in Labview 2013.

Thank you so much for your response and precious help.

Best regards,

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