footprintMergeContinued.py

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__all__ = []  # only imported for side effects

from lsst.utils import continueClass
from .footprintMerge import FootprintMergeList


@continueClass  # noqa F811
class FootprintMergeList:
    def getMergedSourceCatalog(self, catalogs, filters,
                               peakDist, schema, idFactory, samePeakDist):
        """Add multiple catalogs and get the SourceCatalog with merged Footprints"""
        import lsst.afw.table as afwTable

        table = afwTable.SourceTable.make(schema, idFactory)
        mergedList = afwTable.SourceCatalog(table)

        # if peak is not an array, create an array the size of catalogs
        try:
            len(samePeakDist)
        except TypeError:
            samePeakDist = [samePeakDist] * len(catalogs)

        try:
            len(peakDist)
        except TypeError:
            peakDist = [peakDist] * len(catalogs)

        if len(peakDist) != len(catalogs):
            raise ValueError("Number of catalogs (%d) does not match length of peakDist (%d)"
                             % (len(catalogs), len(peakDist)))

        if len(samePeakDist) != len(catalogs):
            raise ValueError("Number of catalogs (%d) does not match length of samePeakDist (%d)"
                             % (len(catalogs), len(samePeakDist)))

        if len(filters) != len(catalogs):
            raise ValueError("Number of catalogs (%d) does not match number of filters (%d)"
                             % (len(catalogs), len(filters)))

        self.clearCatalog()
        for cat, filter, dist, sameDist in zip(catalogs, filters, peakDist, samePeakDist):
            self.addCatalog(table, cat, filter, dist, True, sameDist)

        self.getFinalSources(mergedList)
        return mergedList