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

1""" 

2NTSC Colourspaces 

3================= 

4 

5Define the *NTSC* colourspaces: 

6 

7- :attr:`colour.models.RGB_COLOURSPACE_NTSC1953`. 

8- :attr:`colour.models.RGB_COLOURSPACE_NTSC1987`. 

9 

10References 

11---------- 

12- :cite:`InternationalTelecommunicationUnion1998a` : International 

13 Telecommunication Union. (1998). Recommendation ITU-R BT.470-6 - 

14 CONVENTIONAL TELEVISION SYSTEMS (pp. 1-36). 

15 http://www.itu.int/dms_pubrec/itu-r/rec/bt/\ 

16R-REC-BT.470-6-199811-S!!PDF-E.pdf 

17- :cite:`SocietyofMotionPictureandTelevisionEngineers2004a` : Society of 

18 Motion Picture and Television Engineers. (2004). RP 145:2004: SMPTE C Color 

19 Monitor Colorimetry. In RP 145:2004: Vol. RP 145:200. The Society of Motion 

20 Picture and Television Engineers. doi:10.5594/S9781614821649 

21""" 

22 

23from __future__ import annotations 

24 

25import typing 

26 

27if typing.TYPE_CHECKING: 

28 from colour.hints import NDArrayFloat 

29 

30from colour.models.rgb import RGB_Colourspace 

31from colour.models.rgb.datasets.itur_bt_470 import ( 

32 CCS_WHITEPOINT_BT470_525, 

33 MATRIX_BT470_525_TO_XYZ, 

34 MATRIX_XYZ_TO_BT470_525, 

35 PRIMARIES_BT470_525, 

36 RGB_COLOURSPACE_BT470_525, 

37 WHITEPOINT_NAME_BT470_525, 

38) 

39from colour.models.rgb.datasets.smpte_c import ( 

40 CCS_WHITEPOINT_SMPTE_C, 

41 MATRIX_SMPTE_C_TO_XYZ, 

42 MATRIX_XYZ_TO_SMPTE_C, 

43 PRIMARIES_SMPTE_C, 

44 RGB_COLOURSPACE_SMPTE_C, 

45 WHITEPOINT_NAME_SMPTE_C, 

46) 

47 

48__author__ = "Colour Developers" 

49__copyright__ = "Copyright 2013 Colour Developers" 

50__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause" 

51__maintainer__ = "Colour Developers" 

52__email__ = "colour-developers@colour-science.org" 

53__status__ = "Production" 

54 

55__all__ = [ 

56 "PRIMARIES_NTSC1953", 

57 "WHITEPOINT_NAME_NTSC1953", 

58 "CCS_WHITEPOINT_NTSC1953", 

59 "MATRIX_NTSC1953_TO_XYZ", 

60 "MATRIX_XYZ_TO_NTSC1953", 

61 "RGB_COLOURSPACE_NTSC1953", 

62 "PRIMARIES_NTSC1987", 

63 "WHITEPOINT_NAME_NTSC1987", 

64 "CCS_WHITEPOINT_NTSC1987", 

65 "MATRIX_NTSC1987_TO_XYZ", 

66 "MATRIX_XYZ_TO_NTSC1987", 

67 "RGB_COLOURSPACE_NTSC1987", 

68] 

69 

70PRIMARIES_NTSC1953: NDArrayFloat = PRIMARIES_BT470_525 

71"""*NTSC (1953)* colourspace primaries.""" 

72 

73WHITEPOINT_NAME_NTSC1953: str = WHITEPOINT_NAME_BT470_525 

74"""*NTSC (1953)* colourspace whitepoint name.""" 

75 

76CCS_WHITEPOINT_NTSC1953: NDArrayFloat = CCS_WHITEPOINT_BT470_525 

77"""*NTSC (1953)* colourspace whitepoint chromaticity coordinates.""" 

78 

79MATRIX_NTSC1953_TO_XYZ: NDArrayFloat = MATRIX_BT470_525_TO_XYZ 

80"""*NTSC (1953)* colourspace to *CIE XYZ* tristimulus values matrix.""" 

81 

82MATRIX_XYZ_TO_NTSC1953: NDArrayFloat = MATRIX_XYZ_TO_BT470_525 

83"""*CIE XYZ* tristimulus values to *NTSC (1953)* colourspace matrix.""" 

84 

85RGB_COLOURSPACE_NTSC1953: RGB_Colourspace = RGB_Colourspace( 

86 "NTSC (1953)", 

87 PRIMARIES_NTSC1953, 

88 CCS_WHITEPOINT_NTSC1953, 

89 WHITEPOINT_NAME_NTSC1953, 

90 MATRIX_NTSC1953_TO_XYZ, 

91 MATRIX_XYZ_TO_NTSC1953, 

92 RGB_COLOURSPACE_BT470_525.cctf_encoding, 

93 RGB_COLOURSPACE_BT470_525.cctf_decoding, 

94) 

95RGB_COLOURSPACE_NTSC1953.__doc__ = """ 

96*NTSC (1953)* colourspace. 

97 

98References 

99---------- 

100:cite:`InternationalTelecommunicationUnion1998a` 

101""" 

102 

103PRIMARIES_NTSC1987: NDArrayFloat = PRIMARIES_SMPTE_C 

104"""*NTSC (1987)* colourspace primaries.""" 

105 

106WHITEPOINT_NAME_NTSC1987: str = WHITEPOINT_NAME_SMPTE_C 

107"""*NTSC (1987)* colourspace whitepoint name.""" 

108 

109CCS_WHITEPOINT_NTSC1987: NDArrayFloat = CCS_WHITEPOINT_SMPTE_C 

110"""*NTSC (1987)* colourspace whitepoint chromaticity coordinates.""" 

111 

112MATRIX_NTSC1987_TO_XYZ: NDArrayFloat = MATRIX_SMPTE_C_TO_XYZ 

113"""*NTSC (1987)* colourspace to *CIE XYZ* tristimulus values matrix.""" 

114 

115MATRIX_XYZ_TO_NTSC1987: NDArrayFloat = MATRIX_XYZ_TO_SMPTE_C 

116"""*CIE XYZ* tristimulus values to *NTSC (1987)* colourspace matrix.""" 

117 

118RGB_COLOURSPACE_NTSC1987: RGB_Colourspace = RGB_Colourspace( 

119 "NTSC (1987)", 

120 PRIMARIES_NTSC1987, 

121 CCS_WHITEPOINT_NTSC1987, 

122 WHITEPOINT_NAME_NTSC1987, 

123 MATRIX_NTSC1987_TO_XYZ, 

124 MATRIX_XYZ_TO_NTSC1987, 

125 RGB_COLOURSPACE_SMPTE_C.cctf_encoding, 

126 RGB_COLOURSPACE_SMPTE_C.cctf_decoding, 

127) 

128RGB_COLOURSPACE_NTSC1987.__doc__ = """ 

129*NTSC (1987)* colourspace. 

130 

131References 

132---------- 

133:cite:`SocietyofMotionPictureandTelevisionEngineers2004a` 

134"""