Re: TrakEM2 : segmentation with polygon ROI not working (Bug)

Posted by Albert Cardona-2 on Jun 11, 2015; 1:36pm
URL: http://imagej.273.s1.nabble.com/TrakEM2-segmentation-with-polygon-ROI-not-working-Bug-tp5013118p5013120.html

Dear Benjamin,

Very likely the ImageJ API changed and TrakEM2 was not adjusted to deal
with the change.

The issue is likely related to the mousePressed/mouseDragged/mouseReleased
functions of the ij.ImageCanvas, which the
ini.trakem2.display.DisplayCanvas implements:

https://github.com/trakem2/TrakEM2/blob/master/TrakEM2_/src/main/java/ini/trakem2/display/DisplayCanvas.java#L574

If you'd like to have a look and provide a patch I'd be glad to apply it.

Thanks,

Albert

2015-06-11 9:04 GMT-04:00 bpavie <[hidden email]>:

> 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.
>
> Does anyone has a different experience or know how to solve this issue?
>
> Benjamin
>
>
>
>
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> Sent from the ImageJ mailing list archive at Nabble.com.
>
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http://www.janelia.org/lab/cardona-lab
http://www.ini.uzh.ch/~acardona/

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