Posted by
Luisa de Vivo on
Aug 22, 2013; 3:50pm
URL: http://imagej.273.s1.nabble.com/TrakEM-how-to-measure-apposed-surface-area-tp5004526p5004534.html
Dear Albert,
thanks for your answer.
I tried to use a profile list and I think it could work for what I need.
However, when I measure the entire profile list folder I get 2 surface
measures. Could you explain in more detail what the interpolated surface is
and how it is computed? Is it more accurate than the sum of length x
thickness? Moreover, how can I measure the perimeter of the area?
Thank you very much for your help.
Luisa
On Thu, Aug 22, 2013 at 5:57 AM, Albert Cardona <
[hidden email]> wrote:
> 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>
> --
> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>
--
Luisa de Vivo, PhD
Department of Psychiatry
University of Wisconsin
6001 Research Park Boulevard
Madison WI 53719
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ImageJ mailing list:
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