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Ok, thanks for the info! I will give this a go!

I'm doing a project in university. As a part of the program I'm designing I have to use some edge detecion techniques to discover particles in an image and also calculate the area of the particles...

Hi there,

Is it possible to see the number of pixels in a selection done by the freehand tool?
The problem is that the selection is not square, so you can't just calculate it...

All help will...