Coverage for colour/models/rgb/datasets/smpte_240m.py: 100%

1""" 

2SMPTE 240M Colourspace 

3====================== 

4 

5Define the *SMPTE 240M* colourspace: 

6 

7- :attr:`colour.models.RGB_COLOURSPACE_SMPTE_240M`. 

8 

9References 

10---------- 

11- :cite:`SocietyofMotionPictureandTelevisionEngineers1999b` : Society of 

12 Motion Picture and Television Engineers. (1999). ANSI/SMPTE 240M-1995 - 

13 Signal Parameters - 1125-Line High-Definition Production Systems (pp. 1-7). 

14 http://car.france3.mars.free.fr/HD/INA-%2026%20jan%2006/\ 

15SMPTE%20normes%20et%20confs/s240m.pdf 

16""" 

17 

18from __future__ import annotations 

19 

20import typing 

21 

22import numpy as np 

23 

24from colour.colorimetry import CCS_ILLUMINANTS 

25 

26if typing.TYPE_CHECKING: 

27 from colour.hints import NDArrayFloat 

28 

29from colour.models.rgb import ( 

30 RGB_Colourspace, 

31 eotf_SMPTE240M, 

32 normalised_primary_matrix, 

33 oetf_SMPTE240M, 

34) 

35 

36__author__ = "Colour Developers" 

37__copyright__ = "Copyright 2013 Colour Developers" 

38__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause" 

39__maintainer__ = "Colour Developers" 

40__email__ = "colour-developers@colour-science.org" 

41__status__ = "Production" 

42 

43__all__ = [ 

44 "PRIMARIES_SMPTE_240M", 

45 "WHITEPOINT_NAME_SMPTE_240M", 

46 "CCS_WHITEPOINT_SMPTE_240M", 

47 "MATRIX_SMPTE_240M_TO_XYZ", 

48 "MATRIX_XYZ_TO_SMPTE_240M", 

49 "RGB_COLOURSPACE_SMPTE_240M", 

50] 

51 

52PRIMARIES_SMPTE_240M: NDArrayFloat = np.array( 

53 [ 

54 [0.6300, 0.3400], 

55 [0.3100, 0.5950], 

56 [0.1550, 0.0700], 

57 ] 

58) 

59"""*SMPTE 240M* colourspace primaries.""" 

60 

61WHITEPOINT_NAME_SMPTE_240M: str = "D65" 

62"""*SMPTE 240M* colourspace whitepoint name.""" 

63 

64CCS_WHITEPOINT_SMPTE_240M: NDArrayFloat = CCS_ILLUMINANTS[ 

65 "CIE 1931 2 Degree Standard Observer" 

66][WHITEPOINT_NAME_SMPTE_240M] 

67"""*SMPTE 240M* colourspace whitepoint chromaticity coordinates.""" 

68 

69MATRIX_SMPTE_240M_TO_XYZ: NDArrayFloat = normalised_primary_matrix( 

70 PRIMARIES_SMPTE_240M, CCS_WHITEPOINT_SMPTE_240M 

71) 

72"""*SMPTE 240M* colourspace to *CIE XYZ* tristimulus values matrix.""" 

73 

74MATRIX_XYZ_TO_SMPTE_240M: NDArrayFloat = np.linalg.inv(MATRIX_SMPTE_240M_TO_XYZ) 

75"""*CIE XYZ* tristimulus values to *SMPTE 240M* colourspace matrix.""" 

76 

77RGB_COLOURSPACE_SMPTE_240M: RGB_Colourspace = RGB_Colourspace( 

78 "SMPTE 240M", 

79 PRIMARIES_SMPTE_240M, 

80 CCS_WHITEPOINT_SMPTE_240M, 

81 WHITEPOINT_NAME_SMPTE_240M, 

82 MATRIX_SMPTE_240M_TO_XYZ, 

83 MATRIX_XYZ_TO_SMPTE_240M, 

84 oetf_SMPTE240M, 

85 eotf_SMPTE240M, 

86) 

87RGB_COLOURSPACE_SMPTE_240M.__doc__ = """ 

88*SMPTE 240M* colourspace. 

89 

90References 

91---------- 

92:cite:`SocietyofMotionPictureandTelevisionEngineers1999b`, 

93"""