Add a set of exposures together.
Parameters
----------
exposureList : `list` of `lsst.afw.image.Exposure`
Sequence of exposures to add.
Returns
-------
addedExposure : `lsst.afw.image.Exposure`
An exposure of the same size as each exposure in ``exposureList``,
with the metadata from ``exposureList[0]`` and a masked image equal
to the sum of all the exposure's masked images.
Definition at line 954 of file detection.py.
955 """Add a set of exposures together.
959 exposureList : `list` of `lsst.afw.image.Exposure`
960 Sequence of exposures to add.
964 addedExposure : `lsst.afw.image.Exposure`
965 An exposure of the same size as each exposure in ``exposureList``,
966 with the metadata from ``exposureList[0]`` and a masked image equal
967 to the sum of all the exposure's masked images.
969 exposure0 = exposureList[0]
970 image0 = exposure0.getMaskedImage()
972 addedImage = image0.Factory(image0,
True)
973 addedImage.setXY0(image0.getXY0())
975 for exposure
in exposureList[1:]:
976 image = exposure.getMaskedImage()
979 addedExposure = exposure0.Factory(addedImage, exposure0.getWcs())