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1# This file is part of afw. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://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 <https://www.gnu.org/licenses/>. 

21from __future__ import annotations 

22 

23from dataclasses import dataclass, asdict, field 

24import yaml 

25 

26from ..typehandling import Storable, StorableHelperFactory 

27 

28 

29__all__ = ("ExposureSummaryStats", ) 

30 

31 

32def _default_corners(): 

33 return [float('nan')]*4 

34 

35 

36@dataclass 

37class ExposureSummaryStats(Storable): 

38 _persistence_name = 'ExposureSummaryStats' 

39 

40 _factory = StorableHelperFactory(__name__, _persistence_name) 

41 

42 version: int = 0 

43 # PSF determinant radius (pixels) 

44 psfSigma: float = float('nan') 

45 # PSF effective area (pixels**2) 

46 psfArea: float = float('nan') 

47 # PSF shape Ixx (pixels**2) 

48 psfIxx: float = float('nan') 

49 # PSF shape Iyy (pixels**2) 

50 psfIyy: float = float('nan') 

51 # PSF shape Ixy (pixels**2) 

52 psfIxy: float = float('nan') 

53 # Bounding box center Right Ascension (degrees) 

54 ra: float = float('nan') 

55 # Bounding box center Declination (degrees) 

56 decl: float = float('nan') 

57 # Bounding box center zenith distance (degrees) 

58 zenithDistance: float = float('nan') 

59 # Mean zeropoint in detector (mag) 

60 zeroPoint: float = float('nan') 

61 # Average sky background (ADU) 

62 skyBg: float = float('nan') 

63 # Average sky noise (ADU) 

64 skyNoise: float = float('nan') 

65 # Mean variance of the weight plane (ADU**2) 

66 meanVar: float = float('nan') 

67 # Right Ascension of bounding box corners (degrees) 

68 raCorners: list[float] = field(default_factory=_default_corners) 

69 # Declination of bounding box corners (degrees) 

70 decCorners: list[float] = field(default_factory=_default_corners) 

71 

72 def __post_init__(self): 

73 Storable.__init__(self) 

74 

75 def isPersistable(self): 

76 return True 

77 

78 def _getPersistenceName(self): 

79 return self._persistence_name 

80 

81 def _getPythonModule(self): 

82 return __name__ 

83 

84 def _write(self): 

85 return yaml.dump(asdict(self), encoding='utf-8') 

86 

87 @staticmethod 

88 def _read(bytes): 

89 return ExposureSummaryStats(**yaml.load(bytes, Loader=yaml.SafeLoader))