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How can I find mouse position on axes image?

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Evren sezgin
Evren sezgin 2016-1-15
评论： Mike Garrity 2016-1-15
Hi, I read an image in Axes object GUI. And After I want to find mouse(x,y) coordinate on axes image.( Mousemove event) Thanks

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回答（1 个）

Star Strider
Star Strider 2016-1-15
See if one of the mouse utilities in the File Exchange will do what you want.
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Mike Garrity
Mike Garrity 2016-1-15
Also see the CurrentPoint property on the axes.
get(gca,'CurrentPoint')
It returns a 2x3 array because the axes actually shows a 3D volume. The first row is the point at the back of the volume, while the second row is the point at the front of the volume. In 2D the X & Y will be the same for both rows, you can just take the 1st row like this:
cpt = get(gca,'CurrentPoint')
pt = cpt(1,1:2)

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