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Re: create an image according to its radial profile

Posted by Herbie on Oct 07, 2016; 2:33pm
URL: http://imagej.273.s1.nabble.com/create-an-image-according-to-its-radial-profile-tp5017303p5017313.html

Dear Michael,

is the 1D-function given analytically?

If no, was it sampled according to the sampling theorem?

In the first case it is easy to write a macro that performs what you
want. In the second, interpolation should help, but I fear a plugin will
be necessary.

Best

Herbie

::::::::::::::::::::::::::::::::::::::::::::
Am 07.10.16 um 16:18 schrieb Michael Elbaum:

> Thanks for the suggestions, but still it doesn't work. Maybe my
> concept is off. I have a 1D radial function that I want to represent
> as a 2D image where the intensity at each pixel depends on its radial
> distance to the center. This should be like mirroring the function at
> the center of a 1D image (of twice the width) and drawing circles
> matching the intensity at each point on the axis across the second
> dimension. The polar transformer plugin is giving me a smeared cross
> shape with max intensity on the x and y axes. Maybe it will be easier
> to fill the image in pixel by pixel taking care of the
> interpolations. regards, Michael
>
> ________________________________________ From: ImageJ Interest Group
> [[hidden email]] on behalf of Gabriel Landini
> [[hidden email]] Sent: Friday, October 07, 2016 16:11 To:
> [hidden email] Subject: Re: create an image according to its
> radial profile
>
> On Friday 07 Oct 2016 12:25:50 you wrote:
>> You can try or modify this plugin:
>> http://imagejdocu.tudor.lu/doku.php?id=plugin:analysis:radial_thickness_meas
>>
>>
ure:start

>> regards Robert
>
> It is not possible to modify that plugin unless you provide the
> source code (*.java file) for download.
>
> Regards
>
> Gabriel
>
> -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>
> -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

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