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1# This file is part of obs_lsst. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the LSST License Statement and 

20# the GNU General Public License along with this program. If not, 

21# see <http://www.lsstcorp.org/LegalNotices/>. 

22# 

23from . import LsstCamMapper, LsstCamMakeRawVisitInfo 

24from .ingest import LsstCamParseTask 

25from .translators import LsstUCDCamTranslator 

26 

27__all__ = ["UcdMapper", "UcdParseTask"] 

28 

29 

30class UcdMakeRawVisitInfo(LsstCamMakeRawVisitInfo): 

31 """Make a VisitInfo from the FITS header of a raw image.""" 

32 metadataTranslator = LsstUCDCamTranslator 

33 

34 

35class UcdMapper(LsstCamMapper): 

36 """The Mapper for the UCDavis camera.""" 

37 translatorClass = LsstUCDCamTranslator 

38 MakeRawVisitInfoClass = UcdMakeRawVisitInfo 

39 

40 _cameraName = "ucd" 

41 yamlFileList = ["ucd/ucdMapper.yaml"] + list(LsstCamMapper.yamlFileList) 

42 

43 def _extractDetectorName(self, dataId): 

44 if 'detectorName' in dataId: 

45 detectorName = dataId['detectorName'] 

46 else: 

47 detectorName = LsstUCDCamTranslator.DETECTOR_NAME 

48 if 'raftName' in dataId: 

49 raftName = dataId['raftName'] 

50 else: 

51 raftName = LsstUCDCamTranslator.compute_detector_group_from_num(dataId['detector']) 

52 return f"{raftName}_{detectorName}" 

53 

54 def bypass_ccdExposureId_bits(self, datasetType, pythonType, location, dataId): 

55 """How many bits are required for the maximum exposure ID""" 

56 return 48 # max detector_exposure_id ~ 203012122359590 

57 

58 

59class UcdParseTask(LsstCamParseTask): 

60 """Parser suitable for UCD data. 

61 

62 We need this to parse the UC Davis headers. 

63 """ 

64 

65 _mapperClass = UcdMapper 

66 _translatorClass = LsstUCDCamTranslator 

67 

68 def translate_testSeqNum(self, md): 

69 """Translate the sequence number 

70 

71 Sometimes this is present, sometimes it is not. When it is, return it 

72 as an int. When it's not, provide a default value of 0 as an int. 

73 This function exists because currently the Gen2 butler's default 

74 value providing pathway has trouble with types. 

75 

76 Parameters 

77 ---------- 

78 md : `~lsst.daf.base.PropertyList` or `~lsst.daf.base.PropertySet` 

79 Image metadata. 

80 

81 Returns 

82 ------- 

83 seqNum : `int` 

84 The seqNum, with a default value of 0 if required 

85 """ 

86 try: 

87 seqNum = int(md.getScalar("SEQNUM")) 

88 except KeyError: 

89 seqNum = 0 

90 return seqNum