lsst.pipe.tasks.coaddBase.SelectDataIdContainer Class Reference

Inheritance diagram for lsst.pipe.tasks.coaddBase.SelectDataIdContainer:

Public Member Functions
def	makeDataRefList

Public Attributes
	dataList

Detailed Description

A dataId container for inputs to be selected.

Read the header (including the size and Wcs) for all specified
inputs and pass those along, ultimately for the SelectImagesTask.
This is most useful when used with multiprocessing, as input headers are
only read once.

Definition at line 190 of file coaddBase.py.

Member Function Documentation

def lsst.pipe.tasks.coaddBase.SelectDataIdContainer.makeDataRefList	(		self,
			namespace
	)

Add a dataList containing useful information for selecting images

Definition at line 198 of file coaddBase.py.

    def makeDataRefList(self, namespace):
        """Add a dataList containing useful information for selecting images"""
        super(SelectDataIdContainer, self).makeDataRefList(namespace)
        self.dataList = []
        for ref in self.refList:
            try:
                md = ref.get("calexp_md", immediate=True)
                wcs = afwImage.makeWcs(md)
                data = SelectStruct(dataRef=ref, wcs=wcs, dims=(md.get("NAXIS1"), md.get("NAXIS2")))
            except FitsError as e:
                namespace.log.warn("Unable to construct Wcs from %s" % (ref.dataId))
                continue
            self.dataList.append(data)