http://imagej.273.s1.nabble.com/how-to-retain-a-line-selection-tp3705040p3705042.html
I found this Measure and label macro useful. One more
>
> It is most convenient to use if you assign a
> shortcut key to the plugin.
> Rob
>
> ----- Original Message -----
> From: "Alpesh Khushalchand Shukla"
> <
[hidden email]>
> To: <
[hidden email]>
> Sent: Monday, August 15, 2005 1:50 AM
> Subject: how to retain a line selection
>
>
> > I have images which have line like features, and I
> need to measure length
> of each line segment. I am
> > doing this manually, i.e., measuring the length of
> each line segment,
> looking up the length on the
> > toolbar, and typing it in Kaleidagraph. I cannot
> use the automatic measure
> because my TEM images
> > are not very high-contrast images, and
> thresholding would give a very high
> amount of error.
> >
> > My problem: Is there a way to retain a line
> selection? When I go to the
> next feature, the last one
> > disappears. this creates confusion as I have to
> keep a close track of
> which line segments I have
> > measured. If they can be marked, the job (which is
> really tedious) will
> become a little easier.
> >
> > Thanks
> >
> > Alpesh
> >
>