[ImageJ-devel] Polygon overlay bugs

Barry DeZonia bdezonia at gmail.com
Thu May 10 15:07:48 CDT 2012

Thanks for noting this issue Gabriel. I have filed a new ticket in our bug
trac (code.imagej.net/trac/imagej/ticket/1166<http://code.imagej.net/trac/imagej/ticket/1152>).
You are CCed on the ticket and should receive updates as this issue is
addressed. Please add more information to the ticket if you feel I missed

On Thu, May 10, 2012 at 3:59 AM, Gabriel Landini <G.Landini at bham.ac.uk>wrote:

> On Wednesday 09 May 2012 21:23:28 Senseney, Justin  [E] wrote:
> > I have three (really two) bugs to report that are specific to polyline
> ROIs,
> > tested with the snapshot build, these bugs do not occur/are not
> applicable
> > to shapes with shown bounding boxes.
> >
> > ·         With polygon overlays, the ROI is filled/inverted by applying a
> > line from one point in the ROI to the next, instead of considering the
> > spline that has been created.  This leaves pockets within the ROI that
> are
> > not filled, as in:
> >
> > ·         Hopefully when you fix the above bug the following won’t even
> be
> > an issue, but just to add a little bit of complexity:  I take a simple
> > polygon ROI and make it non-simple using the blue tangent lines that you
> > get when clicking on a point.  Filling does not take into account the
> 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?
> Is there any option to have "thin" ROI edges instead of these thickened
> overlays?
> Regards
> Gabriel
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