# plotAstrometry¶

lsst.meas.astrom.plotAstrometry(matches, refCat=None, sourceCat=None, refMarker='x', refColor='r', sourceMarker='+', sourceColor='g', matchColor='y')

Plot reference objects, sources and matches

Parameters: matches : list of matches refCat : lsst.afw.table.SimpleCatalog reference object catalog, or None to not plot reference objects sourceCat : lsst.afw.table.SourceCatalog source catalog, or None to not plot sources refMarker : str pyplot marker for reference objects refColor : str pyplot color for reference objects sourceMarker : str pyplot marker for sources sourceColor : str pyplot color for sources matchColor : str color for matches; can be a constant or a function taking one match and returning a string

Notes

By default:

• reference objects in refCat are shown as red X
• sources in sourceCat are shown as green +
• matches are shown as a yellow circle around the source and a line connecting the reference object to the source
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