[ImageJ-devel] Polygon overlay bugs

Barry DeZonia bdezonia at gmail.com
Thu May 10 14:56:49 CDT 2012

Thanks for the bug report Justin. I have filed a new ticket in our bug trac
You are CCed on the ticket and should receive updates as this issue is

On Thu, May 10, 2012 at 10:51 AM, Senseney, Justin (NIH/CIT) [E] <
senseneyj at mail.nih.gov> wrote:

> -----Original Message-----
> >Something related I noted some time ago.
> >I find the smoothed ROIs a bit puzzling. Sure for deforming an ROI they
> might be useful, but is it possible to see what is in and what is >not in
> the ROI?
> >Can one "draw" a pixel-accurate ROI this way?
> IJ1 handles this well, since straight lines are always connecting points,
> so you're likely to have a range of pixel types that will complement each
> other to provide an ROI that neither over-counts or under-counts the
> pixels.  It's a good question for curved ROIs if there's an algorithm that
> can provide an efficient approach.  I have not looked.
> Justin Senseney
> 301-594-5887
> 301-480-0028 (fax)
> Building 12A/2015
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