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WebbPSF and POPPY
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WebbPSF implements an optical simulation tool for point spread function modeling for JWST.

POPPY is the underlying optical propagation library used for the calculations by WebbPSF.


Documentation can be found online at http://www.stsci.edu/jwst/software/webbpsf
Developed by Marshall Perrin at STScI, 2010-2012. 

These packages have been developed on Python 2.7 but not yet tested for Python 3 compatibility.
