Coverage for python/lsst/afw/image/_image/_image.py: 88%

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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/>. 

21 

22__all__ = ["Image", "DecoratedImage"] 

23 

24import numpy as np 

25from lsst.utils import TemplateMeta 

26 

27from ._slicing import supportSlicing 

28from ._disableArithmetic import disableImageArithmetic 

29from ._fitsIoWithOptions import imageReadFitsWithOptions, imageWriteFitsWithOptions 

30from ._imageLib import ImageI, ImageF, ImageD, ImageU, ImageL 

31from ._imageLib import DecoratedImageI, DecoratedImageF, DecoratedImageD, DecoratedImageU, DecoratedImageL 

32 

33 

34class Image(metaclass=TemplateMeta): 

35 

36 def __reduce__(self): 

37 from lsst.afw.fits import reduceToFits 

38 return reduceToFits(self) 

39 

40 def __deepcopy__(self, memo=None): 

41 return self.clone() 

42 

43 def __str__(self): 

44 return "{}, bbox={}".format(self.array, self.getBBox()) 

45 

46 def __repr__(self): 

47 return "{}.{}={}".format(self.__module__, self.__class__.__name__, str(self)) 

48 

49 readFitsWithOptions = classmethod(imageReadFitsWithOptions) 

50 

51 writeFitsWithOptions = imageWriteFitsWithOptions 

52 

53 

54Image.register(np.int32, ImageI) 

55Image.register(np.float32, ImageF) 

56Image.register(np.float64, ImageD) 

57Image.register(np.uint16, ImageU) 

58Image.register(np.uint64, ImageL) 

59Image.alias("I", ImageI) 

60Image.alias("F", ImageF) 

61Image.alias("D", ImageD) 

62Image.alias("U", ImageU) 

63Image.alias("L", ImageL) 

64 

65 

66class DecoratedImage(metaclass=TemplateMeta): 

67 

68 def convertF(self): 

69 return ImageF(self, deep=True) 

70 

71 def convertD(self): 

72 return ImageD(self, deep=True) 

73 

74 readFitsWithOptions = classmethod(imageReadFitsWithOptions) 

75 

76 writeFitsWithOptions = imageWriteFitsWithOptions 

77 

78 

79DecoratedImage.register(np.int32, DecoratedImageI) 

80DecoratedImage.register(np.float32, DecoratedImageF) 

81DecoratedImage.register(np.float64, DecoratedImageD) 

82DecoratedImage.register(np.uint16, DecoratedImageU) 

83DecoratedImage.register(np.uint64, DecoratedImageL) 

84DecoratedImage.alias("I", DecoratedImageI) 

85DecoratedImage.alias("F", DecoratedImageF) 

86DecoratedImage.alias("D", DecoratedImageD) 

87DecoratedImage.alias("U", DecoratedImageU) 

88DecoratedImage.alias("L", DecoratedImageL) 

89 

90 

91for cls in set(Image.values()): 

92 supportSlicing(cls) 

93 disableImageArithmetic(cls) 

94 

95for cls in set(DecoratedImage.values()): 

96 supportSlicing(cls) 

97 disableImageArithmetic(cls)