Marking the points by gpts on an image
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![](https://www.mathworks.com/matlabcentral/images/broken_image.png)
I have to find the perimeter and area of an irregular objects using a GUI when reading the image. I have read the image in the GUI and then i have to select two reference points and a reference points from the keyboard i have done that already in the GUI using the ginput function where i have used two reference points. The figure can be downloaded from http://speedy.sh/zhAVF/irregularImage.JPG
Problem iam having is that i have to select the points on the irregular object using mouse which i will do through gpts command but i also have to outline those points on the figure, i am confused of how i will outline those points on the figure. Can you please help with that.
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