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Particle Analyzer error with no particles

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Particle Analyzer error with no particles

P Page-McCaw
2 posts
I'd like to suppress the dialog window that pops up when you get no
particles.

"No particles were detected.The threshold () may not be incorrect"

I'm using FIJI/IJ1.48g and calling via a python script. Sometimes there
just isn't anything there and I'd like to catch the error without user
having to 'ok' out.



Sorry if this should be obvious. I can't find that error dialog in the
source.

Thanks

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Re: Particle Analyzer error with no particles

Michael Schmid
2136 posts
Hi P,

the message comes from ij.plugin.filter.ParticleAnalyzer, line 1027.

Looking at the source code, the message should be absent when running a macro.
As a workaround, maybe Phyton could run a macro for that command with IJ.runMacro(String macro)
(I have never used Phyton). Or have a macro in the StartupMacros.

Michael
________________________________________________________________
On Nov 22, 2013, at 17:10, P Page-McCaw wrote:

> I'd like to suppress the dialog window that pops up when you get no
> particles.
>
> "No particles were detected.The threshold () may not be incorrect"
>
> I'm using FIJI/IJ1.48g and calling via a python script. Sometimes there
> just isn't anything there and I'd like to catch the error without user
> having to 'ok' out.
>
>
>
> Sorry if this should be obvious. I can't find that error dialog in the
> source.
>
> Thanks

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ImageJ mailing list: http://imagej.nih.gov/ij/list.html