Re: how to get Pixel Width from Properties... ?

Posted by Jan Eglinger on Dec 12, 2012; 11:58am
URL: http://imagej.273.s1.nabble.com/how-to-get-Pixel-Width-from-Properties-tp5001114p5001131.html

Hi Mahmud,

to get calibration data like the pixel size within an ImageJ plugin, you
can use:

ImagePlus imp = IJ.getImage();
Double pixelWidth = imp.getCalibration().pixelWidth;

The ImageJ API reference is a very useful source for that kind of
information:

http://rsbweb.nih.gov/ij/developer/api/index.html
http://rsbweb.nih.gov/ij/developer/api/ij/measure/Calibration.html

Hope that helps,
Jan


On 11.12.2012 6:11 PM, M.Gbarin wrote:

> Hi Herbie,
> thanks for your answer.But I have a IJ-Plugin not a IJ-macro..!how or where can I get this functios (getPixelSize();) ?
> Thanks a lot,Mahmud
> Date: Tue, 11 Dec 2012 07:25:40 -0800
> From: [hidden email]
> To: [hidden email]
> Subject: Re: how to get Pixel Width from Properties... ?
>
>
>
> Hallo hallo,
>
>
> in a IJ-macro you could use:
>
>         getPixelSize(unit, pixelWidth, pixelHeight);
>
>
> HTH
>
>
> Herbie
>
>
> On 11.12.12 12:57, M.Gbarin wrote:
>
>> hallo,
>
>>
>
>> I try to write a java code to get a Pixel width from ImageJ (
>
>> Image->Properties...) !!
>
>> can someone help me ?!
>
>>
>
>> when I wrote -- IJ.run("Properties..."); -- I became the propereties window
>
>> but I could not save the Pixel Width in a variable !
>
>>
>
>> where can be the problem ?
>
>>

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