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A simple script to convert FITS images to 3 x 3 stamps.

Project description

This is a simple script to convert FITS images to stamps.

Usage

usage: fits-to-stamps [-h] [--trimsec TRIMSEC] [--fitsext FITSEXT]
                      [--stampsize STAMPSIZE]
                      [--separatorwidth SEPARATORWIDTH] [--fitsglob FITSGLOB]
                      [--workers WORKERS]
                      target

convert a FITS to 3 x 3 stamps.

positional arguments:
  target                path to a single FITS file or a directory of FITS
                        files to convert

optional arguments:
  -h, --help            show this help message and exit
  --trimsec TRIMSEC     the FITS header keys containing the TRIMSEC section.
                        All of the keys in the CSV list provided will be
                        tried. default: TRIMSEC,DATASEC,TRIMSEC0
  --fitsext FITSEXT     the FITS extension number containing the image to work
                        on. default: automatic detection for normal and
                        .fits.fz files
  --stampsize STAMPSIZE
                        the individual stamp size in pixels. default: 256
  --separatorwidth SEPARATORWIDTH
                        the width of the separator lines between stamps in
                        pixels. default: 1
  --fitsglob FITSGLOB   the file glob to use to recognize FITS files in a
                        directory. default: *.fits*
  --workers WORKERS     number of parallel workers to operate on multiple FITS
                        files default: 8

Installation

This requires:

  • numpy
  • astropy
  • Pillow

Install it with pip from PyPI (preferably in a virtualenv, or use the --user flag):

pip [--user] install fits-to-stamps

Or to install the latest version.

pip [--user] install git+https://github.com/waqasbhatti/fits-to-stamps

Once the installation is done, you'll be able to execute the script as fits-to-stamps if the virtualenv is active (or ~/.local/bin for pip --user installs is in your $PATH).

To use it without needing the virtualenv active all the time, add an alias to your ~/.bashrc:

alias fits-to-stamps="/path/to/your/virtualenv/bin/fits-to-stamps"

That should make it run with the correct Python interpreter in the virtualenv.

License

This is provided under the MIT license. See the LICENSE file for the full text.

Project details


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