measuring lenght of straight lines

Hello, After edge detection to an image I obtain an image with three crossed lines. How can I measure their lenghts in pixel? Thank you in advance for you help. Regards, Katia.

Answer 1

[Rick Rosson]

   >> doc imtool

Answer 2

[Image Analyst]

You can use improfile(), imline(), imtool(), etc. Or use ginput() and hypot(). Or use bwmorph('endpoints') and hypot. Lots of ways depending on how interactive you want to be.