how to measure distance between points in X using interactive mouse

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James Webster
James Webster 2012-9-24
评论： emami.m 2019-3-12
Hello
I have used edge function to detect the edge of a shape in matlab, now I want to create a GUI where as someone moves their mouse over the image it draws a horizontal line between the points and measures the distance in X between the points, then when the mouse is clicked saves the distance.
Is this possible?
James

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Thomas
Thomas 2012-9-24
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Image Analyst
Image Analyst 2012-9-24
Try imfreehand() if you want to trace an arbitrary path. It doesn't "snap" to the next point though, like Photoshop's magnetic lasoo.

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