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Re: Measuring lengths of multiple paths in an image

Posted by Fabrice Senger on May 13, 2009; 2:18pm
URL: http://imagej.273.s1.nabble.com/Measuring-lengths-of-multiple-paths-in-an-image-tp3692553p3692555.html

Quoting GT-Force <[hidden email]>:

> Hi,
>
> I cannot seem to find a way of doing something that I thought would have
> been done for sure. I think, as the coding goes, it should be much simpler
> to code than many of the plugins I've seen, so I'll be really surprised if
> it's not available.
>
> I need to trace multiple paths in an image. Is there a way to trace multiple
> freehand selections manually, and then obtain the measurements of all of
> them at once. And it'd be nice to keep the traces as selections or as an
> overlay and save them. If you've used ImageQuant, you probably have an idea
> of what I am talking about, but ImageQuant does this for area selections and
> volume(2D) analysis, but not for freehand linear selections and 1D length
> measurements.
>
> I'm looking forward to an answer.
>
> Thank you.
>
> PS: Here's an example image that I created
>
> http://n2.nabble.com/file/n2883899/Lines.gif
> --
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> http://n2.nabble.com/Measuring-lengths-of-multiple-paths-in-an-image-tp2883899p2883899.html
> Sent from the ImageJ mailing list archive at Nabble.com.
>

Hi there,

you can use any drawing tool in imageJ, trace your path and then click "t",
thus this selection (ROI) will be adde to the "ROI-manager", there if  
you go to "more" --- "combine" -- you will combine all your  
ROI's...the whole set can be saved as a zip file ...

Hope this helps,

Fabrice.