<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <maintainer type="project"> <email>sci-astronomy@gentoo.org</email> <name>Gentoo Astronomy Project</name> </maintainer> <longdescription lang="en"> PSFEx (“PSF Extractor”) extracts models of the Point Spread Function (PSF) from FITS images processed with <pkg>sci-astronomy/sextractor</pkg>, and measures the quality of images. The generated PSF models can be used for model-fitting photometry or morphological analyses. </longdescription> <use> <flag name="plplot">Build with <pkg>sci-libs/plplot</pkg> to allow diagnostic plots during processing</flag> </use> </pkgmetadata>