[AstroPy] fft_psd_tools and radialAverageBins() in astropy 3.1

Adam Ginsburg adam.g.ginsburg at gmail.com
Wed Mar 20 11:43:55 EDT 2019

The code you're pointing to is in the `image_tools` package, which is my
package.  It's not part of astropy and it's not an official affiliate.  It
uses the astropy-template, which is why the documentation looks similar,
but these tools have never been part of the astropy core package.

For a somewhat more up-to-date version of the azimuthally averaged
power-spectrum, you should look at turbustat:

On Wed, Mar 20, 2019 at 5:03 AM Eyal Saiet <ejsaiet at alaska.edu> wrote:

> Hello,
> As can be seen below, astropy 2.7 has the class fft_psd_tools and the
> radialAverageBins() function. Looking at astropy 3.1, I cannot find the
> class and respected function, fft_psd_tools and adialAverageBins(). Was it
> deprecated in astropy 3.0?
> thanks
> [image: image.png]
> * The radially averaged power spectrum(RAPS) is s the
> direction-independent mean spectrum, i.e. the average of all possible
> directional power spectra. The radially averaged power spectrum provides a
> convenient means to view and compare information contained in 2-D spectra
> in 1-D. This function computes and plots the RAPS of an input matrix (does
> not consider corner values outside averaging radius). The image can be
> rectangular but must be 2-D (e.g., multi-color channel data is not
> supported). The spatial resolution of the data is also specified (https://www.mathworks.com/matlabcentral/fileexchange/23636-radially-averaged-power-spectrum-of-2d-real-valued-matrix
> )
> Thanks
> --
> Eyal
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Adam Ginsburg
Jansky fellow, National Radio Astronomy Observatory
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