Want to divide lines into equal segments (any help would be GREATLY appreciated)

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kiv
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Want to divide lines into equal segments (any help would be GREATLY appreciated)

kiv
Hi guys,

I used ImageJ for a few years, but have never developed macros or anything. I've only started learning to code now that I'm in graduate school. I used ImageJ to measure bug morphology; I took lengths of insect legs, measured the area of their body, etc;.

I am now starting a project where I want to look at mine morphology on Arabidopsis leaves. I've taken many leaf photos and my insects have burrowed mines of interesting shapes into them. I want to divide the leaf up into a grid to track if different populations build mines in different parts of the leaf.

I want to do this by making lines along the length of the leaf midrib (the central vein). I want  a line with a small marker at thirds (right now, when you use the Line tool, there is a small marker that indicates where the halfway point is; I would REALLLY like to find a way to identify points at 1/3ds instead of 1/2s).

I would really really really appreciate any help on this. I'm at a bit of a standstill.

Thanks so much,

Kirsten Verster