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1# This file is part of obs_decam. 

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 GNU General Public License 

20# along with this program. If not, see <http://www.gnu.org/licenses/>. 

21 

22"""Butler instrument description for the Dark Energy Camera. 

23""" 

24 

25__all__ = ("DarkEnergyCamera",) 

26 

27import os 

28 

29from lsst.afw.cameraGeom import makeCameraFromPath, CameraConfig 

30from lsst.obs.base import Instrument 

31from lsst.obs.decam.decamFilters import DECAM_FILTER_DEFINITIONS 

32 

33from lsst.utils import getPackageDir 

34 

35 

36class DarkEnergyCamera(Instrument): 

37 filterDefinitions = DECAM_FILTER_DEFINITIONS 

38 

39 def __init__(self, **kwargs): 

40 super().__init__(**kwargs) 

41 packageDir = getPackageDir("obs_decam") 

42 self.configPaths = [os.path.join(packageDir, "config")] 

43 

44 @classmethod 

45 def getName(cls): 

46 return "DECam" 

47 

48 def getCamera(self): 

49 path = os.path.join(getPackageDir("obs_decam"), "decam", "camGeom") 

50 config = CameraConfig() 

51 config.load(os.path.join(path, "camera.py")) 

52 return makeCameraFromPath( 

53 cameraConfig=config, 

54 ampInfoPath=path, 

55 shortNameFunc=lambda name: name.replace(" ", "_"), 

56 ) 

57 

58 def register(self, registry): 

59 camera = self.getCamera() 

60 obsMax = 2**31 

61 registry.insertDimensionData( 

62 "instrument", 

63 {"name": self.getName(), "detector_max": 64, "visit_max": obsMax, "exposure_max": obsMax} 

64 ) 

65 

66 for detector in camera: 

67 registry.insertDimensionData( 

68 "detector", 

69 { 

70 "instrument": self.getName(), 

71 "id": detector.getId(), 

72 "full_name": detector.getName(), 

73 "name_in_raft": detector.getName()[1:], 

74 "raft": detector.getName()[0], 

75 "purpose": str(detector.getType()).split(".")[-1], 

76 } 

77 ) 

78 

79 self._registerFilters(registry) 

80 

81 def getRawFormatter(self, dataId): 

82 # local import to prevent circular dependency 

83 from .rawFormatter import DarkEnergyCameraRawFormatter 

84 return DarkEnergyCameraRawFormatter 

85 

86 def writeCuratedCalibrations(self, butler): 

87 # TODO: DM-21016 

88 pass