http://imagej.273.s1.nabble.com/setThreshold-NaN-value-tp3698503p3698507.html
It works fine. I was using :
>
> Hi,
> the following works fine for me:
>
> ImagePlus imp = NewImage.createFloatImage("test", 300, 200, 1,
> NewImage.FILL_BLACK);
> imp.getProcessor().setThreshold(1d, 500.0d, ImageProcessor.RED_LUT);
> WindowManager.setTempCurrentImage(imp);
> IJ.run("NaN Background");
> System.out.println(imp.getProcessor().getf(0, 0));
>
> You have to use a method with a float result like getf or getPixelValue,
> since if the return type is int the NaN will automatically be converted
> into 0 of type int.
>
> Volker
>
> erwan bocher a écrit :
> > Hi,
> >
> > Thank you but it doesn't work.
> >
> > I obtain the value 0 for the pixel. If I use imp.show() the pixel value
> is
> > NaN.
> >
> > R1.
> >
> > 2007/8/30, Volker Bäcker <
[hidden email]>:
> >> Try WindowManager.setTempCurrentImage(imp) instead of imp.show();
> >>
> >> Volker
> >>
> >> erwan bocher a écrit :
> >>> Dear all,
> >>>
> >>> I try to set a NaN value to my image.
> >>>
> >>> I use this
> >>>
> >>> ip.setThreshold(0.0d, 500.0d, ImageProcessor.RED_LUT);
> >>>
> >>> ImagePlus imp = new ImagePlus("",ip);
> >>> imp.show();
> >>> IJ.run("NaN Background");
> >>>
> >>> It works fine but I don't want to show the imagePlus.
> >>>
> >>> Is it another way to do this ?
> >>>
> >>> Thanks
> >>>
> >>> R1.
> >>>
> >>> Ps : I use this code in a java application.
> >>>
> >> --
> >> passerelle antivirus du campus CNRS de Montpellier
> >> --
> >>
> >
> >
> >
>
> --
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>