NTSC_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_NTSC_MATRIX = XYZ_TO_BT470_525_MATRIX
"""
*CIE XYZ* tristimulus values to *NTSC* colourspace matrix.
XYZ_TO_NTSC_MATRIX : array_like, (3, 3)
"""
NTSC_COLOURSPACE = RGB_Colourspace(
'NTSC',
NTSC_PRIMARIES,
NTSC_WHITEPOINT,
NTSC_WHITEPOINT_NAME,
NTSC_TO_XYZ_MATRIX,
XYZ_TO_NTSC_MATRIX,
BT470_525_COLOURSPACE.encoding_cctf,
BT470_525_COLOURSPACE.decoding_cctf,
)
NTSC_COLOURSPACE.__doc__ = """
*NTSC* colourspace.
References
----------
:cite:`InternationalTelecommunicationUnion1998a`
NTSC_COLOURSPACE : RGB_Colourspace
"""
AP1_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_AP1_MATRIX = np.linalg.inv(AP1_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *ACES Primaries 1* matrix.
XYZ_TO_AP1_MATRIX : array_like, (3, 3)
"""
ACES_2065_1_COLOURSPACE = RGB_Colourspace(
'ACES2065-1',
AP0,
ACES_WHITEPOINT,
ACES_ILLUMINANT,
AP0_TO_XYZ_MATRIX,
XYZ_TO_AP0_MATRIX,
function_linear,
function_linear,
)
ACES_2065_1_COLOURSPACE.__doc__ = """
*ACES2065-1* colourspace, base encoding, used for exchange of full fidelity
images and archiving.
References
----------
- :cite:`TheAcademyofMotionPictureArtsandSciences2014q`
- :cite:`TheAcademyofMotionPictureArtsandSciences2014r`
- :cite:`TheAcademyofMotionPictureArtsandSciencese`
ACES_2065_1_COLOURSPACE : RGB_Colourspace
*luminance* :math:`Y_n` has implicit value of :math:`100\\ cd/m^2`.
Returns
-------
:class:`numpy.floating` or :class:`numpy.ndarray`
Scaled *luminance* :math:`Y` or *Lightness* :math:`L^*` array.
"""
a = as_float_array(a)
return callable_(a * 100, Y_n=100) / 100
RGB_COLOURSPACE_ECI_RGB_V2: RGB_Colourspace = RGB_Colourspace(
"ECI RGB v2",
PRIMARIES_ECI_RGB_V2,
CCS_WHITEPOINT_ECI_RGB_V2,
WHITEPOINT_NAME_ECI_RGB_V,
MATRIX_ECI_RGB_V2_TO_XYZ,
MATRIX_XYZ_TO_ECI_RGB_V2,
partial(_scale_domain_0_100_range_0_1, callable_=lightness_CIE1976),
partial(_scale_domain_0_100_range_0_1, callable_=luminance_CIE1976),
)
RGB_COLOURSPACE_ECI_RGB_V2.__doc__ = """
*ECI RGB v2* colourspace.
References
----------
:cite:`EuropeanColorInitiative2002a`
"""
[-0.029442, -0.086611, 1.204861],
])
"""*Blackmagic Wide Gamut* colourspace to *CIE XYZ* tristimulus values matrix."""
MATRIX_XYZ_TO_BLACKMAGIC_WIDE_GAMUT: NDArray = np.array([
[1.866382, -0.518397, -0.234610],
[-0.600342, 1.378149, 0.176732],
[0.002452, 0.086400, 0.836943],
])
"""*CIE XYZ* tristimulus values to *Blackmagic Wide Gamut* colourspace matrix."""
RGB_COLOURSPACE_BLACKMAGIC_WIDE_GAMUT: RGB_Colourspace = RGB_Colourspace(
"Blackmagic Wide Gamut",
PRIMARIES_BLACKMAGIC_WIDE_GAMUT,
CCS_WHITEPOINT_BLACKMAGIC_WIDE_GAMUT,
WHITEPOINT_NAME_BLACKMAGIC_WIDE_GAMUT,
MATRIX_BLACKMAGIC_WIDE_GAMUT_TO_XYZ,
MATRIX_XYZ_TO_BLACKMAGIC_WIDE_GAMUT,
oetf_BlackmagicFilmGeneration5,
oetf_inverse_BlackmagicFilmGeneration5,
use_derived_matrix_RGB_to_XYZ=True,
use_derived_matrix_XYZ_to_RGB=True,
)
RGB_COLOURSPACE_BLACKMAGIC_WIDE_GAMUT.__doc__ = """
*Blackmagic Wide Gamut* colourspace.
References
----------
:cite:`BlackmagicDesign2021`
"""
*Max RGB* colourspace whitepoint.
MAX_RGB_WHITEPOINT : tuple
"""
MAX_RGB_TO_XYZ_MATRIX = normalised_primary_matrix(MAX_RGB_PRIMARIES,
MAX_RGB_WHITEPOINT)
"""
*Max RGB* colourspace to *CIE XYZ* tristimulus values matrix.
MAX_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_MAX_RGB_MATRIX = np.linalg.inv(MAX_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Max RGB* colourspace matrix.
XYZ_TO_MAX_RGB_MATRIX : array_like, (3, 3)
"""
MAX_RGB_COLOURSPACE = RGB_Colourspace(
'Max RGB', MAX_RGB_PRIMARIES, MAX_RGB_WHITEPOINT, MAX_RGB_ILLUMINANT,
MAX_RGB_TO_XYZ_MATRIX, XYZ_TO_MAX_RGB_MATRIX,
partial(gamma_function, exponent=1 / 2.2),
partial(gamma_function, exponent=2.2))
"""
*Max RGB* colourspace.
MAX_RGB_COLOURSPACE : RGB_Colourspace
"""
XYZ_TO_S_GAMUT_MATRIX = np.array([
[1.5073998991, -0.2458221374, -0.1716116808],
[-0.5181517271, 1.3553912409, 0.1258786682],
[0.0155116982, -0.0078727714, 0.9119163656],
])
"""
*CIE XYZ* tristimulus values to *S-Gamut* colourspace matrix.
XYZ_TO_S_GAMUT_MATRIX : array_like, (3, 3)
"""
S_GAMUT_COLOURSPACE = RGB_Colourspace(
'S-Gamut',
S_GAMUT_PRIMARIES,
S_GAMUT_WHITEPOINT,
S_GAMUT_WHITEPOINT_NAME,
S_GAMUT_TO_XYZ_MATRIX,
XYZ_TO_S_GAMUT_MATRIX,
log_encoding_SLog2,
log_decoding_SLog2,
)
S_GAMUT_COLOURSPACE.__doc__ = """
*S-Gamut* colourspace.
References
----------
:cite:`Gaggioni`, :cite:`SonyCorporation`
S_GAMUT_COLOURSPACE : RGB_Colourspace
"""
S_GAMUT3_COLOURSPACE = RGB_Colourspace(
XTREME_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_XTREME_RGB_MATRIX = np.linalg.inv(XTREME_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Xtreme RGB* colourspace matrix.
XYZ_TO_XTREME_RGB_MATRIX : array_like, (3, 3)
"""
XTREME_RGB_COLOURSPACE = RGB_Colourspace(
'Xtreme RGB',
XTREME_RGB_PRIMARIES,
XTREME_RGB_WHITEPOINT,
XTREME_RGB_WHITEPOINT_NAME,
XTREME_RGB_TO_XYZ_MATRIX,
XYZ_TO_XTREME_RGB_MATRIX,
partial(function_gamma, exponent=1 / 2.2),
partial(function_gamma, exponent=2.2),
)
XTREME_RGB_COLOURSPACE.__doc__ = """
*Xtreme RGB* colourspace.
References
----------
:cite:`HutchColore`
XTREME_RGB_COLOURSPACE : RGB_Colourspace
"""
SMPTE_240M_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_SMPTE_240M_MATRIX = np.linalg.inv(SMPTE_240M_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *SMPTE 240M* colourspace matrix.
XYZ_TO_SMPTE_240M_MATRIX : array_like, (3, 3)
"""
SMPTE_240M_COLOURSPACE = RGB_Colourspace(
'SMPTE 240M',
SMPTE_240M_PRIMARIES,
SMPTE_240M_WHITEPOINT,
SMPTE_240M_WHITEPOINT_NAME,
SMPTE_240M_TO_XYZ_MATRIX,
XYZ_TO_SMPTE_240M_MATRIX,
oetf_SMPTE240M,
eotf_SMPTE240M,
)
SMPTE_240M_COLOURSPACE.__doc__ = """
*SMPTE 240M* colourspace.
References
----------
:cite:`SocietyofMotionPictureandTelevisionEngineers1999b`,
SMPTE_240M_COLOURSPACE : RGB_Colourspace
"""
MATRIX_XTREME_RGB_TO_XYZ : array_like, (3, 3)
"""
MATRIX_XYZ_TO_XTREME_RGB = np.linalg.inv(MATRIX_XTREME_RGB_TO_XYZ)
"""
*CIE XYZ* tristimulus values to *Xtreme RGB* colourspace matrix.
MATRIX_XYZ_TO_XTREME_RGB : array_like, (3, 3)
"""
RGB_COLOURSPACE_XTREME_RGB = RGB_Colourspace(
'Xtreme RGB',
PRIMARIES_XTREME_RGB,
CCS_WHITEPOINT_XTREME_RGB,
WHITEPOINT_NAME_XTREME_RGB,
MATRIX_XTREME_RGB_TO_XYZ,
MATRIX_XYZ_TO_XTREME_RGB,
partial(gamma_function, exponent=1 / 2.2),
partial(gamma_function, exponent=2.2),
)
RGB_COLOURSPACE_XTREME_RGB.__doc__ = """
*Xtreme RGB* colourspace.
References
----------
:cite:`HutchColore`
RGB_COLOURSPACE_XTREME_RGB : RGB_Colourspace
"""
CCS_WHITEPOINT_DON_RGB_4: NDArray = CCS_ILLUMINANTS[
"CIE 1931 2 Degree Standard Observer"
][WHITEPOINT_NAME_DON_RGB_4]
"""*Don RGB 4* colourspace whitepoint chromaticity coordinates."""
MATRIX_DON_RGB_4_TO_XYZ: NDArray = normalised_primary_matrix(
PRIMARIES_DON_RGB_4, CCS_WHITEPOINT_DON_RGB_4
)
"""*Don RGB 4* colourspace to *CIE XYZ* tristimulus values matrix."""
MATRIX_XYZ_TO_DON_RGB_4: NDArray = np.linalg.inv(MATRIX_DON_RGB_4_TO_XYZ)
"""*CIE XYZ* tristimulus values to *Don RGB 4* colourspace matrix."""
RGB_COLOURSPACE_DON_RGB_4: RGB_Colourspace = RGB_Colourspace(
"Don RGB 4",
PRIMARIES_DON_RGB_4,
CCS_WHITEPOINT_DON_RGB_4,
WHITEPOINT_NAME_DON_RGB_4,
MATRIX_DON_RGB_4_TO_XYZ,
MATRIX_XYZ_TO_DON_RGB_4,
partial(gamma_function, exponent=1 / 2.2),
partial(gamma_function, exponent=2.2),
)
RGB_COLOURSPACE_DON_RGB_4.__doc__ = """
*Don RGB 4* colourspace.
References
----------
:cite:`HutchColorg`
"""
BEST_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_BEST_RGB_MATRIX = np.linalg.inv(BEST_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Best RGB* colourspace matrix.
XYZ_TO_BEST_RGB_MATRIX : array_like, (3, 3)
"""
BEST_RGB_COLOURSPACE = RGB_Colourspace(
'Best RGB',
BEST_RGB_PRIMARIES,
BEST_RGB_WHITEPOINT,
BEST_RGB_ILLUMINANT,
BEST_RGB_TO_XYZ_MATRIX,
XYZ_TO_BEST_RGB_MATRIX,
partial(function_gamma, exponent=1 / 2.2),
partial(function_gamma, exponent=2.2),
)
BEST_RGB_COLOURSPACE.__doc__ = """
*Best RGB* colourspace.
References
----------
- :cite:`HutchColord`
BEST_RGB_COLOURSPACE : RGB_Colourspace
"""
CINEMA_GAMUT_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_CINEMA_GAMUT_MATRIX = np.linalg.inv(CINEMA_GAMUT_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Cinema Gamut* colourspace matrix.
XYZ_TO_CINEMA_GAMUT_MATRIX : array_like, (3, 3)
"""
CINEMA_GAMUT_COLOURSPACE = RGB_Colourspace(
'Cinema Gamut',
CINEMA_GAMUT_PRIMARIES,
CINEMA_GAMUT_WHITEPOINT,
CINEMA_GAMUT_ILLUMINANT,
CINEMA_GAMUT_TO_XYZ_MATRIX,
XYZ_TO_CINEMA_GAMUT_MATRIX,
function_linear,
function_linear,
)
CINEMA_GAMUT_COLOURSPACE.__doc__ = """
*Cinema Gamut* colourspace.
References
----------
- :cite:`Canon2014a`
CINEMA_GAMUT_COLOURSPACE : RGB_Colourspace
"""
MATRIX_XYZ_TO_ROMM_RGB = np.array([
[1.3460, -0.2556, -0.0511],
[-0.5446, 1.5082, 0.0205],
[0.0000, 0.0000, 1.2123],
])
"""
*CIE XYZ* tristimulus values to *ROMM RGB* colourspace matrix.
MATRIX_XYZ_TO_ROMM_RGB : array_like, (3, 3)
"""
RGB_COLOURSPACE_ROMM_RGB = RGB_Colourspace(
'ROMM RGB',
PRIMARIES_ROMM_RGB,
CCS_WHITEPOINT_ROMM_RGB,
WHITEPOINT_NAME_ROMM_RGB,
MATRIX_ROMM_RGB_TO_XYZ,
MATRIX_XYZ_TO_ROMM_RGB,
cctf_encoding_ROMMRGB,
cctf_decoding_ROMMRGB,
)
RGB_COLOURSPACE_ROMM_RGB.__doc__ = """
*ROMM RGB* colourspace.
References
----------
:cite:`ANSI2003a`, :cite:`Spaulding2000b`
RGB_COLOURSPACE_ROMM_RGB : RGB_Colourspace
"""
PRIMARIES_RIMM_RGB = PRIMARIES_ROMM_RGB
PROTUNE_NATIVE_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_PROTUNE_NATIVE_MATRIX = np.linalg.inv(PROTUNE_NATIVE_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Protune Native* colourspace matrix.
XYZ_TO_PROTUNE_NATIVE_MATRIX : array_like, (3, 3)
"""
PROTUNE_NATIVE_COLOURSPACE = RGB_Colourspace(
'Protune Native',
PROTUNE_NATIVE_PRIMARIES,
PROTUNE_NATIVE_WHITEPOINT,
PROTUNE_NATIVE_WHITEPOINT_NAME,
PROTUNE_NATIVE_TO_XYZ_MATRIX,
XYZ_TO_PROTUNE_NATIVE_MATRIX,
log_encoding_Protune,
log_decoding_Protune,
)
PROTUNE_NATIVE_COLOURSPACE.__doc__ = """
*Protune Native* colourspace.
References
----------
:cite:`GoPro2016a`, :cite:`Mansencal2015d`
PROTUNE_NATIVE_COLOURSPACE : RGB_Colourspace
"""
ADOBE_RGB_1998_TO_XYZ_MATRIX = np.array([[0.57667, 0.18556, 0.18823],
[0.29734, 0.62736, 0.07529],
[0.02703, 0.07069, 0.99134]])
"""
*Adobe RGB (1998)* colourspace to *CIE XYZ* tristimulus values matrix defined
as per [1].
ADOBE_RGB_1998_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_ADOBE_RGB_1998_MATRIX = np.array([[2.04159, -0.56501, -0.34473],
[-0.96924, 1.87597, 0.04156],
[0.01344, -0.11836, 1.01517]])
"""
*CIE XYZ* tristimulus values to *Adobe RGB (1998)* colourspace matrix.
XYZ_TO_ADOBE_RGB_1998_MATRIX : array_like, (3, 3)
"""
ADOBE_RGB_1998_COLOURSPACE = RGB_Colourspace(
'Adobe RGB (1998)', ADOBE_RGB_1998_PRIMARIES, ADOBE_RGB_1998_WHITEPOINT,
ADOBE_RGB_1998_ILLUMINANT, ADOBE_RGB_1998_TO_XYZ_MATRIX,
XYZ_TO_ADOBE_RGB_1998_MATRIX,
partial(gamma_function, exponent=1 / (563 / 256)),
partial(gamma_function, exponent=563 / 256))
"""
*Adobe RGB (1998)* colourspace.
ADOBE_RGB_1998_COLOURSPACE : RGB_Colourspace
"""
ADOBE_WIDE_GAMUT_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_ADOBE_WIDE_GAMUT_RGB_MATRIX = np.linalg.inv(
ADOBE_WIDE_GAMUT_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Adobe Wide Gamut RGB* colourspace matrix.
XYZ_TO_ADOBE_WIDE_GAMUT_RGB_MATRIX : array_like, (3, 3)
"""
ADOBE_WIDE_GAMUT_RGB_COLOURSPACE = RGB_Colourspace(
'Adobe Wide Gamut RGB',
ADOBE_WIDE_GAMUT_RGB_PRIMARIES,
ADOBE_WIDE_GAMUT_RGB_WHITEPOINT,
ADOBE_WIDE_GAMUT_RGB_WHITEPOINT_NAME,
ADOBE_WIDE_GAMUT_RGB_TO_XYZ_MATRIX,
XYZ_TO_ADOBE_WIDE_GAMUT_RGB_MATRIX,
partial(function_gamma, exponent=1 / (563 / 256)),
partial(function_gamma, exponent=563 / 256),
)
ADOBE_WIDE_GAMUT_RGB_COLOURSPACE.__doc__ = """
*Adobe Wide Gamut RGB* colourspace.
References
----------
:cite:`Wikipedia2004c`
ADOBE_WIDE_GAMUT_RGB_COLOURSPACE : RGB_Colourspace
"""
PAL_SECAM_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_PAL_SECAM_MATRIX = XYZ_TO_BT470_625_MATRIX
"""
*CIE XYZ* tristimulus values to *Pal/Secam* colourspace matrix.
XYZ_TO_PAL_SECAM_MATRIX : array_like, (3, 3)
"""
PAL_SECAM_COLOURSPACE = RGB_Colourspace(
'Pal/Secam',
PAL_SECAM_PRIMARIES,
PAL_SECAM_WHITEPOINT,
PAL_SECAM_WHITEPOINT_NAME,
PAL_SECAM_TO_XYZ_MATRIX,
XYZ_TO_PAL_SECAM_MATRIX,
BT470_625_COLOURSPACE.encoding_cctf,
BT470_625_COLOURSPACE.decoding_cctf,
)
PAL_SECAM_COLOURSPACE.__doc__ = """
*Pal/Secam* colourspace.
References
----------
:cite:`InternationalTelecommunicationUnion1998a`
PAL_SECAM_COLOURSPACE : RGB_Colourspace
"""
"""*Apple RGB* colourspace whitepoint name."""
CCS_WHITEPOINT_APPLE_RGB: NDArray = CCS_ILLUMINANTS[
"CIE 1931 2 Degree Standard Observer"][WHITEPOINT_NAME_APPLE_RGB]
"""*Apple RGB* colourspace whitepoint chromaticity coordinates."""
MATRIX_APPLE_RGB_TO_XYZ: NDArray = normalised_primary_matrix(
PRIMARIES_APPLE_RGB, CCS_WHITEPOINT_APPLE_RGB)
"""*Apple RGB* colourspace to *CIE XYZ* tristimulus values matrix."""
MATRIX_XYZ_TO_APPLE_RGB: NDArray = np.linalg.inv(MATRIX_APPLE_RGB_TO_XYZ)
"""*CIE XYZ* tristimulus values to *Apple RGB* colourspace matrix."""
RGB_COLOURSPACE_APPLE_RGB: RGB_Colourspace = RGB_Colourspace(
"Apple RGB",
PRIMARIES_APPLE_RGB,
CCS_WHITEPOINT_APPLE_RGB,
WHITEPOINT_NAME_APPLE_RGB,
MATRIX_APPLE_RGB_TO_XYZ,
MATRIX_XYZ_TO_APPLE_RGB,
partial(gamma_function, exponent=1 / 1.8),
partial(gamma_function, exponent=1.8),
)
RGB_COLOURSPACE_APPLE_RGB.__doc__ = """
*Apple RGB* colourspace.
References
----------
:cite:`Susstrunk1999a`
"""
RED_COLOR_WHITEPOINT)
"""
*REDcolor* colourspace to *CIE XYZ* tristimulus values matrix.
RED_COLOR_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_RED_COLOR_MATRIX = np.linalg.inv(RED_COLOR_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *REDcolor* colourspace matrix.
XYZ_TO_RED_COLOR_MATRIX : array_like, (3, 3)
"""
RED_COLOR_COLOURSPACE = RGB_Colourspace(
'REDcolor', RED_COLOR_PRIMARIES, RED_COLOR_WHITEPOINT,
RED_COLOR_ILLUMINANT, RED_COLOR_TO_XYZ_MATRIX, XYZ_TO_RED_COLOR_MATRIX,
log_encoding_REDLogFilm, log_decoding_REDLogFilm)
"""
*REDcolor* colourspace.
RED_COLOR_COLOURSPACE : RGB_Colourspace
"""
RED_COLOR_2_PRIMARIES = np.array([[0.878682510476129, 0.324964007409910],
[0.300888714367432, 0.679054755790568],
[0.095398694605615, -0.029379326834327]])
"""
*REDcolor2* colourspace primaries.
RED_COLOR_2_PRIMARIES : ndarray, (3, 2)
"""
WHITEPOINT_NAME_N_GAMUT: str = WHITEPOINT_NAME_BT2020
"""*Nikon N-Gamut* colourspace whitepoint name."""
CCS_WHITEPOINT_N_GAMUT: NDArray = CCS_WHITEPOINT_BT2020
"""*Nikon N-Gamut* colourspace whitepoint."""
MATRIX_N_GAMUT_TO_XYZ: NDArray = MATRIX_BT2020_TO_XYZ
"""*Nikon N-Gamut* colourspace to *CIE XYZ* tristimulus values matrix."""
MATRIX_XYZ_TO_N_GAMUT: NDArray = MATRIX_XYZ_TO_BT2020
"""*CIE XYZ* tristimulus values to *Nikon N-Gamut* colourspace matrix."""
RGB_COLOURSPACE_N_GAMUT: RGB_Colourspace = RGB_Colourspace(
"N-Gamut",
PRIMARIES_N_GAMUT,
CCS_WHITEPOINT_N_GAMUT,
WHITEPOINT_NAME_N_GAMUT,
MATRIX_N_GAMUT_TO_XYZ,
MATRIX_XYZ_TO_N_GAMUT,
log_encoding_NLog,
log_decoding_NLog,
)
RGB_COLOURSPACE_N_GAMUT.__doc__ = """
*Nikon N-Gamut* colourspace.
References
----------
:cite:`Nikon2018`
"""
XYZ_TO_ROMM_RGB_MATRIX = np.array([
[1.3460, -0.2556, -0.0511],
[-0.5446, 1.5082, 0.0205],
[0.0000, 0.0000, 1.2123],
])
"""
*CIE XYZ* tristimulus values to *ROMM RGB* colourspace matrix.
XYZ_TO_ROMM_RGB_MATRIX : array_like, (3, 3)
"""
ROMM_RGB_COLOURSPACE = RGB_Colourspace(
'ROMM RGB',
ROMM_RGB_PRIMARIES,
ROMM_RGB_WHITEPOINT,
ROMM_RGB_WHITEPOINT_NAME,
ROMM_RGB_TO_XYZ_MATRIX,
XYZ_TO_ROMM_RGB_MATRIX,
oetf_ROMMRGB,
eotf_ROMMRGB,
)
ROMM_RGB_COLOURSPACE.__doc__ = """
*ROMM RGB* colourspace.
References
----------
:cite:`ANSI2003a`, :cite:`Spaulding2000b`
ROMM_RGB_COLOURSPACE : RGB_Colourspace
"""
RIMM_RGB_PRIMARIES = ROMM_RGB_PRIMARIES
MATRIX_ADOBE_WIDE_GAMUT_RGB_TO_XYZ : array_like, (3, 3)
"""
MATRIX_XYZ_TO_ADOBE_WIDE_GAMUT_RGB = np.linalg.inv(
MATRIX_ADOBE_WIDE_GAMUT_RGB_TO_XYZ)
"""
*CIE XYZ* tristimulus values to *Adobe Wide Gamut RGB* colourspace matrix.
MATRIX_XYZ_TO_ADOBE_WIDE_GAMUT_RGB : array_like, (3, 3)
"""
RGB_COLOURSPACE_ADOBE_WIDE_GAMUT_RGB = RGB_Colourspace(
'Adobe Wide Gamut RGB',
PRIMARIES_ADOBE_WIDE_GAMUT_RGB,
CCS_WHITEPOINT_ADOBE_WIDE_GAMUT_RGB,
WHITEPOINT_NAME_ADOBE_WIDE_GAMUT_RGB,
MATRIX_ADOBE_WIDE_GAMUT_RGB_TO_XYZ,
MATRIX_XYZ_TO_ADOBE_WIDE_GAMUT_RGB,
partial(gamma_function, exponent=1 / (563 / 256)),
partial(gamma_function, exponent=563 / 256),
)
RGB_COLOURSPACE_ADOBE_WIDE_GAMUT_RGB.__doc__ = """
*Adobe Wide Gamut RGB* colourspace.
References
----------
:cite:`Wikipedia2004c`
RGB_COLOURSPACE_ADOBE_WIDE_GAMUT_RGB : RGB_Colourspace
"""
MATRIX_AP1_TO_XYZ : array_like, (3, 3)
"""
MATRIX_XYZ_TO_AP1 = np.linalg.inv(MATRIX_AP1_TO_XYZ)
"""
*CIE XYZ* tristimulus values to *ACES Primaries 1* matrix.
MATRIX_XYZ_TO_AP1 : array_like, (3, 3)
"""
RGB_COLOURSPACE_ACES2065_1 = RGB_Colourspace(
'ACES2065-1',
AP0,
CCS_WHITEPOINT_ACES,
WHITEPOINT_NAME_ACES,
MATRIX_AP0_TO_XYZ,
MATRIX_XYZ_TO_AP0,
linear_function,
linear_function,
)
RGB_COLOURSPACE_ACES2065_1.__doc__ = """
*ACES2065-1* colourspace, base encoding, used for exchange of full fidelity
images and archiving.
References
----------
:cite:`TheAcademyofMotionPictureArtsandSciences2014q`,
:cite:`TheAcademyofMotionPictureArtsandSciences2014r`,
:cite:`TheAcademyofMotionPictureArtsandSciencese`
RGB_COLOURSPACE_ACES2065_1 : RGB_Colourspace
RUSSELL_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_RUSSELL_RGB_MATRIX = np.linalg.inv(RUSSELL_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Russell RGB* colourspace matrix.
XYZ_TO_RUSSELL_RGB_MATRIX : array_like, (3, 3)
"""
RUSSELL_RGB_COLOURSPACE = RGB_Colourspace(
'Russell RGB',
RUSSELL_RGB_PRIMARIES,
RUSSELL_RGB_WHITEPOINT,
RUSSELL_RGB_WHITEPOINT_NAME,
RUSSELL_RGB_TO_XYZ_MATRIX,
XYZ_TO_RUSSELL_RGB_MATRIX,
partial(gamma_function, exponent=1 / 2.2),
partial(gamma_function, exponent=2.2),
)
RUSSELL_RGB_COLOURSPACE.__doc__ = """
*Russell RGB* colourspace.
References
----------
:cite:`Cottrella`
RUSSELL_RGB_COLOURSPACE : RGB_Colourspace
"""
MATRIX_NTSC1953_TO_XYZ : array_like, (3, 3)
"""
MATRIX_XYZ_TO_NTSC1953 = MATRIX_XYZ_TO_BT470_525
"""
*CIE XYZ* tristimulus values to *NTSC (1953)* colourspace matrix.
MATRIX_XYZ_TO_NTSC1953 : array_like, (3, 3)
"""
RGB_COLOURSPACE_NTSC1953 = RGB_Colourspace(
'NTSC (1953)',
PRIMARIES_NTSC1953,
CCS_WHITEPOINT_NTSC1953,
WHITEPOINT_NAME_NTSC1953,
MATRIX_NTSC1953_TO_XYZ,
MATRIX_XYZ_TO_NTSC1953,
RGB_COLOURSPACE_BT470_525.cctf_encoding,
RGB_COLOURSPACE_BT470_525.cctf_decoding,
)
RGB_COLOURSPACE_NTSC1953.__doc__ = """
*NTSC (1953)* colourspace.
References
----------
:cite:`InternationalTelecommunicationUnion1998a`
RGB_COLOURSPACE_NTSC1953 : RGB_Colourspace
"""
PRIMARIES_NTSC1987 = PRIMARIES_SMPTE_C
XYZ_TO_sRGB_MATRIX = np.array([
[3.2406, -1.5372, -0.4986],
[-0.9689, 1.8758, 0.0415],
[0.0557, -0.2040, 1.0570],
])
"""
*CIE XYZ* tristimulus values to *sRGB* colourspace matrix.
XYZ_TO_sRGB_MATRIX : array_like, (3, 3)
"""
sRGB_COLOURSPACE = RGB_Colourspace(
'sRGB',
sRGB_PRIMARIES,
sRGB_WHITEPOINT,
sRGB_WHITEPOINT_NAME,
sRGB_TO_XYZ_MATRIX,
XYZ_TO_sRGB_MATRIX,
oetf_sRGB,
oetf_reverse_sRGB,
)
sRGB_COLOURSPACE.__doc__ = """
*sRGB* colourspace.
References
----------
:cite:`InternationalElectrotechnicalCommission1999a`,
:cite:`InternationalTelecommunicationUnion2015i`
sRGB_COLOURSPACE : RGB_Colourspace
"""
DCI_P3_P_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_DCI_P3_P_MATRIX = np.linalg.inv(DCI_P3_P_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *DCI-P3+* colourspace matrix.
XYZ_TO_DCI_P3_P_MATRIX : array_like, (3, 3)
"""
DCI_P3_COLOURSPACE = RGB_Colourspace(
'DCI-P3',
DCI_P3_PRIMARIES,
DCI_P3_WHITEPOINT,
DCI_P3_WHITEPOINT_NAME,
DCI_P3_TO_XYZ_MATRIX,
XYZ_TO_DCI_P3_MATRIX,
partial(gamma_function, exponent=1 / 2.6),
partial(gamma_function, exponent=2.6),
)
DCI_P3_COLOURSPACE.__doc__ = """
*DCI-P3* colourspace.
References
----------
:cite:`DigitalCinemaInitiatives2007b`,
:cite:`Hewlett-PackardDevelopmentCompany2009a`
DCI_P3_COLOURSPACE : RGB_Colourspace
"""
XYZ_TO_V_GAMUT_MATRIX = np.array([
[1.589012, -0.313204, -0.180965],
[-0.534053, 1.396011, 0.102458],
[0.011179, 0.003194, 0.905535],
])
"""
*CIE XYZ* tristimulus values to *V-Gamut* colourspace matrix.
XYZ_TO_V_GAMUT_MATRIX : array_like, (3, 3)
"""
V_GAMUT_COLOURSPACE = RGB_Colourspace(
'V-Gamut',
V_GAMUT_PRIMARIES,
V_GAMUT_WHITEPOINT,
V_GAMUT_WHITEPOINT_NAME,
V_GAMUT_TO_XYZ_MATRIX,
XYZ_TO_V_GAMUT_MATRIX,
log_encoding_VLog,
log_decoding_VLog,
)
V_GAMUT_COLOURSPACE.__doc__ = """
*V-Gamut* colourspace.
References
----------
:cite:`Panasonic2014a`
V_GAMUT_COLOURSPACE : RGB_Colourspace
"""
APPLE_RGB_TO_XYZ_MATRIX = normalised_primary_matrix(
APPLE_RGB_PRIMARIES, APPLE_RGB_WHITEPOINT)
"""
*Apple RGB* colourspace to *CIE XYZ* tristimulus values matrix.
APPLE_RGB_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_APPLE_RGB_MATRIX = np.linalg.inv(APPLE_RGB_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Apple RGB* colourspace matrix.
XYZ_TO_APPLE_RGB_MATRIX : array_like, (3, 3)
"""
APPLE_RGB_COLOURSPACE = RGB_Colourspace(
'Apple RGB',
APPLE_RGB_PRIMARIES,
APPLE_RGB_WHITEPOINT,
APPLE_RGB_ILLUMINANT,
APPLE_RGB_TO_XYZ_MATRIX,
XYZ_TO_APPLE_RGB_MATRIX,
partial(gamma_function, exponent=1 / 1.8),
partial(gamma_function, exponent=1.8))
"""
*Apple RGB* colourspace.
APPLE_RGB_COLOURSPACE : RGB_Colourspace
"""
EKTA_SPACE_PS_5_TO_XYZ_MATRIX : array_like, (3, 3)
"""
XYZ_TO_EKTA_SPACE_PS_5_MATRIX = np.linalg.inv(EKTA_SPACE_PS_5_TO_XYZ_MATRIX)
"""
*CIE XYZ* tristimulus values to *Ekta Space PS 5* colourspace matrix.
XYZ_TO_EKTA_SPACE_PS_5_MATRIX : array_like, (3, 3)
"""
EKTA_SPACE_PS_5_COLOURSPACE = RGB_Colourspace(
'Ekta Space PS 5',
EKTA_SPACE_PS_5_PRIMARIES,
EKTA_SPACE_PS_5_WHITEPOINT,
EKTA_SPACE_PS_5_V_WHITEPOINT_NAME,
EKTA_SPACE_PS_5_TO_XYZ_MATRIX,
XYZ_TO_EKTA_SPACE_PS_5_MATRIX,
partial(gamma_function, exponent=1 / 2.2),
partial(gamma_function, exponent=2.2),
)
EKTA_SPACE_PS_5_COLOURSPACE.__doc__ = """
*Ekta Space PS 5* colourspace.
References
----------
:cite:`Holmesa`
EKTA_SPACE_PS_5_COLOURSPACE : RGB_Colourspace
"""
