Coverage for models/rgb/datasets/dcdm_xyz.py: 0%

1""" 

2Digital Cinema Distribution Master (DCDM) XYZ Colourspace 

3========================================================= 

4 

5Define the *DCDM XYZ* colourspace: 

6 

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

8 

9References 

10---------- 

11- :cite:`DigitalCinemaInitiatives2007b` : Digital Cinema Initiatives. (2007). 

12 Digital Cinema System Specification - Version 1.1. 

13 http://www.dcimovies.com/archives/spec_v1_1/\ 

14DCI_DCinema_System_Spec_v1_1.pdf 

15""" 

16 

17from __future__ import annotations 

18 

19import typing 

20 

21import numpy as np 

22 

23from colour.colorimetry import CCS_ILLUMINANTS 

24 

25if typing.TYPE_CHECKING: 

26 from colour.hints import NDArrayFloat 

27 

28from colour.models.rgb import ( 

29 RGB_Colourspace, 

30 eotf_DCDM, 

31 eotf_inverse_DCDM, 

32 normalised_primary_matrix, 

33) 

34 

35__author__ = "Colour Developers" 

36__copyright__ = "Copyright 2013 Colour Developers" 

37__license__ = "BSD-3-Clause - https://opensource.org/licenses/BSD-3-Clause" 

38__maintainer__ = "Colour Developers" 

39__email__ = "colour-developers@colour-science.org" 

40__status__ = "Production" 

41 

42__all__ = [ 

43 "PRIMARIES_DCDM_XYZ", 

44 "WHITEPOINT_NAME_DCDM_XYZ", 

45 "CCS_WHITEPOINT_DCDM_XYZ", 

46 "MATRIX_DCDM_XYZ_TO_XYZ", 

47 "MATRIX_XYZ_TO_DCDM_XYZ", 

48 "RGB_COLOURSPACE_DCDM_XYZ", 

49] 

50 

51PRIMARIES_DCDM_XYZ: NDArrayFloat = np.array( 

52 [ 

53 [1.0, 0.0], 

54 [0.0, 1.0], 

55 [0.0, 0.0], 

56 ] 

57) 

58"""*DCDM XYZ* colourspace primaries.""" 

59 

60WHITEPOINT_NAME_DCDM_XYZ: str = "E" 

61"""*DCDM XYZ* colourspace whitepoint name.""" 

62 

63CCS_WHITEPOINT_DCDM_XYZ: NDArrayFloat = CCS_ILLUMINANTS[ 

64 "CIE 1931 2 Degree Standard Observer" 

65][WHITEPOINT_NAME_DCDM_XYZ] 

66"""*DCDM XYZ* colourspace whitepoint chromaticity coordinates.""" 

67 

68MATRIX_DCDM_XYZ_TO_XYZ: NDArrayFloat = normalised_primary_matrix( 

69 PRIMARIES_DCDM_XYZ, CCS_WHITEPOINT_DCDM_XYZ 

70) 

71"""*DCDM XYZ* colourspace to *CIE XYZ* tristimulus values matrix.""" 

72 

73MATRIX_XYZ_TO_DCDM_XYZ: NDArrayFloat = np.linalg.inv(MATRIX_DCDM_XYZ_TO_XYZ) 

74"""*CIE XYZ* tristimulus values to *DCDM XYZ* colourspace matrix.""" 

75 

76RGB_COLOURSPACE_DCDM_XYZ: RGB_Colourspace = RGB_Colourspace( 

77 "DCDM XYZ", 

78 PRIMARIES_DCDM_XYZ, 

79 CCS_WHITEPOINT_DCDM_XYZ, 

80 WHITEPOINT_NAME_DCDM_XYZ, 

81 MATRIX_DCDM_XYZ_TO_XYZ, 

82 MATRIX_XYZ_TO_DCDM_XYZ, 

83 eotf_inverse_DCDM, 

84 eotf_DCDM, 

85) 

86RGB_COLOURSPACE_DCDM_XYZ.__doc__ = """ 

87*DCDM XYZ* colourspace. 

88 

89References 

90---------- 

91:cite:`DigitalCinemaInitiatives2007b` 

92"""