http://imagej.273.s1.nabble.com/TrakEM2-segmentation-with-polygon-ROI-not-working-Bug-tp5013118p5013122.html
> On Jun 11, 2015, at 9:04 AM, bpavie <
[hidden email]> wrote:
>
> Dear All,
>
> I watched the following video
>
http://www.ini.uzh.ch/~acardona/movies/arealist-create-and-edit.mp4> describing how to segment in TrakEM2 and at 43 sec, it demonstrates how to
> use polygon ROI tool to draw a ROI then use the FIT SPLINE option to get a
> perfect selection.
> Unfortunately, using the last FIJI version available (ImageJ 1.49t), it
> impossible to use the polygon ROI tool which is not working anymore. Using
> it will just draw a tiny yellow square as a first point and refuse to add a
> new one, getting stuck. You can't even unselect the ROI easily.
> I am not sure if it is due to an update of the plugin or of ImageJ.
> The tool is working fine outside of TrakEM2.
You can test to see if this problem is due to an ImageJ 1.49t regression by downgrading to 1.49s. Do this by using the Help>Update ImageJ command and selecting “previous” from the drop down menu.