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Is it possible to draw rectangles with mouse on a panel not an image?

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William Sambells
William Sambells 2018-11-24
编辑： madhan ravi 2018-11-25
Hi all,
I am currently trying to make a GUI program where users click a button which lets them draw a rectangle over a canvas (I assumed the best object to use for this was a Panel object) and I've come across,
1) Drawrectangle
2) Imrect
However they I've found that imrect is used for images reading them in with imread and drawrectangle requires axes.
Any help or advice would be appreciated.

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回答（1 个）

Ka Mirul
Ka Mirul 2018-11-25
编辑：madhan ravi 2018-11-25
I don't think so, but you can use a blank image as the background,
and you also can extract imrect position (x,y, width height ). Check it here.

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