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Generalized World Coordinate System (GWCS) is an Astropy_ affiliated package providing tools for managing the World Coordinate System of astronomical data.
GWCS takes a general approach to the problem of expressing transformations between pixel and world coordinates. It supports a data model which includes the entire transformation pipeline from input coordinates (detector by default) to world coordinates. It is tightly integrated with Astropy_.
astropy.Model. They can be chained, joined or combined with arithmetic operators using the flexible framework of compound models in astropy.modeling_.astropy.SkyCoord and are transformed to other standard celestial frames using astropy.coordinates_.astropy.Time and can be further manipulated using the tools in astropy.time_astropy.Quantity objects and can be converted to other units using the tools in astropy.units_.For complete features and usage examples see the documentation_ site.
To install::
pip install gwcs
To clone from github and install the master branch::
git clone https://github.com/spacetelescope/gwcs.git
cd gwcs
python setup.py install
We welcome feedback and contributions to the project. Contributions of
code, documentation, or general feedback are all appreciated. Please
follow the contributing guidelines <CONTRIBUTING.md>__ to submit an
issue or a pull request.
We strive to provide a welcoming community to all of our users by
abiding to the Code of Conduct <CODE_OF_CONDUCT.md>__.
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If you use GWCS, please cite the package via its Zenodo record.
.. _Astropy: http://www.astropy.org/
.. _astropy.time: http://docs.astropy.org/en/stable/time/ .. _astropy.modeling: http://docs.astropy.org/en/stable/modeling/ .. _astropy.units: http://docs.astropy.org/en/stable/units/ .. _astropy.coordinates: http://docs.astropy.org/en/stable/coordinates/ .. _documentation: http://gwcs.readthedocs.org/en/latest/
FAQs
Generalized World Coordinate System
We found that gwcs demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 6 open source maintainers collaborating on the project.
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