Re: TrakEM: how to measure apposed surface area

Posted by Albert Cardona-2 on Aug 22, 2013; 10:57am
URL: http://imagej.273.s1.nabble.com/TrakEM-how-to-measure-apposed-surface-area-tp5004526p5004530.html

Dear Luisa,

you could measure the area and divide by two, or use a script to measure the area of the mesh triangles in one side, or use a profile list rather than an arealist.

Best,

Albert

On Aug 22, 2013, at 12:28 AM, Luisa de Vivo <[hidden email]> wrote:

> Hi,
>
> I'd like to know whether in TrakEM there is the possibility to measure the
> area of two apposed objects and save it as a separate object in the
> project, in order to retrieve it in a second moment. I have not found a
> clear explanation in the manual.
>
> For instance, I have a stack of images where I'm segmenting a dendritic
> spine and its terminal and I want to measure the area  of contact (and its
> perimeter) between the two objects. I tried to trace a line between the pre
> and post-synaptic objects using the brush tool and saving the segmentation
> into an area list, but what I get at the end is not really an area but a
> volume, even if I use the brush with minimum size. What do you suggest?
>
> Thank you very much,
>
> Luisa
>
>
> --
> Luisa de Vivo, PhD
> Department of Psychiatry
> University of Wisconsin
> 6001 Research Park Boulevard
> Madison WI 53719
>
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html

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