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DM-14885: Use either nanoseconds or MJD in PPDB CcdVisit table #20

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Jun 26, 2018
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DM-14885: Use either nanoseconds or MJD in PPDB CcdVisit table #20

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6 changes: 4 additions & 2 deletions python/lsst/ap/association/afwUtils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@

import lsst.afw.table as afwTable
import lsst.afw.image as afwImage
from lsst.daf.base import DateTime


"""Defines afw schemas and conversions for use in ap_association tasks.
Expand Down Expand Up @@ -141,6 +142,7 @@ def get_ccd_visit_info_from_exposure(exposure):
List values representing info taken from the exposure.
"""
visit_info = exposure.getInfo().getVisitInfo()
date = visit_info.getDate()
sphPoint = exposure.getWcs().getSkyOrigin()
# TODO: Calib is going away and being replaced with photoCalib as in
# DM-10153.
Expand All @@ -153,7 +155,7 @@ def get_ccd_visit_info_from_exposure(exposure):
# RA WCS center ``degrees``,
# DEC WCS center ``degrees``,
# exposure time ``seconds``,
# dateTimeMJD ``seconds``,
# dateTimeMJD ``days``,
# flux zero point ``counts``,
# flux zero point error ``counts``]
values = {'ccdVisitId': visit_info.getExposureId(),
Expand All @@ -163,7 +165,7 @@ def get_ccd_visit_info_from_exposure(exposure):
'ra': sphPoint.getRa().asDegrees(),
'decl': sphPoint.getDec().asDegrees(),
'expTime': visit_info.getExposureTime(),
'expMidptMJD': visit_info.getDate().nsecs() * 10 ** -9,
'expMidptMJD': date.get(system=DateTime.MJD),
'fluxZeroPoint': flux0,
'fluxZeroPointErr': flux0_err,
'photoCalib': afwImage.PhotoCalib(1 / flux0,
Expand Down