def setUp(self): """ Initialises common tests attributes. """ p = np.array([0.73470, 0.26530, 0.00000, 1.00000, 0.00010, -0.07700]) whitepoint = np.array([0.32168, 0.33767]) RGB_to_XYZ_matrix = np.identity(3) XYZ_to_RGB_matrix = np.identity(3) self._colourspace = RGB_Colourspace( 'RGB Colourspace', p, whitepoint, 'D60', RGB_to_XYZ_matrix, XYZ_to_RGB_matrix, lambda x: x, lambda x: x)
def setUp(self): """Initialise the common tests attributes.""" p = np.array([0.73470, 0.26530, 0.00000, 1.00000, 0.00010, -0.07700]) whitepoint = np.array([0.32168, 0.33767]) matrix_RGB_to_XYZ = np.identity(3) matrix_XYZ_to_RGB = np.identity(3) self._colourspace = RGB_Colourspace( "RGB Colourspace", p, whitepoint, "ACES", matrix_RGB_to_XYZ, matrix_XYZ_to_RGB, lambda x: x, lambda x: x, )
def test_use_derived_transformation_matrices(self): """ Tests :func:`colour.models.rgb.rgb_colourspace.RGB_Colourspace.range.\ use_derived_transformation_matrices` method. """ p = np.array([0.73470, 0.26530, 0.00000, 1.00000, 0.00010, -0.07700]) whitepoint = np.array([0.32168, 0.33767]) RGB_to_XYZ_matrix = np.identity(3) XYZ_to_RGB_matrix = np.identity(3) colourspace = RGB_Colourspace('RGB Colourspace', p, whitepoint, 'D60', RGB_to_XYZ_matrix, XYZ_to_RGB_matrix) np.testing.assert_array_equal(colourspace.RGB_to_XYZ_matrix, np.identity(3)) np.testing.assert_array_equal(colourspace.XYZ_to_RGB_matrix, np.identity(3)) self.assertTrue(colourspace.use_derived_transformation_matrices()) np.testing.assert_almost_equal( colourspace.RGB_to_XYZ_matrix, np.array( [[0.95255240, 0.00000000, 0.00009368], [0.34396645, 0.72816610, -0.07213255], [0.00000000, 0.00000000, 1.00882518]]), decimal=7) # yapf: disable np.testing.assert_almost_equal( colourspace.XYZ_to_RGB_matrix, np.array( [[1.04981102, 0.00000000, -0.00009748], [-0.49590302, 1.37331305, 0.09824004], [0.00000000, 0.00000000, 0.99125202]]), decimal=7) # yapf: disable colourspace.use_derived_RGB_to_XYZ_matrix = False np.testing.assert_array_equal(colourspace.RGB_to_XYZ_matrix, np.identity(3)) colourspace.use_derived_XYZ_to_RGB_matrix = False np.testing.assert_array_equal(colourspace.XYZ_to_RGB_matrix, np.identity(3))
*CIE XYZ* colourspace to *ProPhoto RGB* colourspace matrix. XYZ_TO_PROPHOTO_RGB_MATRIX : array_like, (3, 3) """ PROPHOTO_RGB_TRANSFER_FUNCTION = lambda x: (x * 16 if x < 0.001953 else x**(1 / 1.8)) """ Transfer function from linear to *ProPhoto RGB* colourspace. PROPHOTO_RGB_TRANSFER_FUNCTION : object """ PROPHOTO_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: (x / 16 if x < 0.001953 else x**1.8) """ Inverse transfer function from *ProPhoto RGB* colourspace to linear. PROPHOTO_RGB_INVERSE_TRANSFER_FUNCTION : object """ PROPHOTO_RGB_COLOURSPACE = RGB_Colourspace( 'ProPhoto RGB', PROPHOTO_RGB_PRIMARIES, PROPHOTO_RGB_WHITEPOINT, PROPHOTO_RGB_TO_XYZ_MATRIX, XYZ_TO_PROPHOTO_RGB_MATRIX, PROPHOTO_RGB_TRANSFER_FUNCTION, PROPHOTO_RGB_INVERSE_TRANSFER_FUNCTION) """ *ProPhoto RGB* colourspace. PROPHOTO_RGB_COLOURSPACE : RGB_Colourspace """
XYZ_TO_RUSSELL_RGB_MATRIX = np.linalg.inv(RUSSELL_RGB_TO_XYZ_MATRIX) """ *CIE XYZ* colourspace to *Russell RGB* colourspace matrix. XYZ_TO_RUSSELL_RGB_MATRIX : array_like, (3, 3) """ RUSSELL_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 2.2) """ Transfer function from linear to *Russell RGB* colourspace. RUSSELL_RGB_TRANSFER_FUNCTION : object """ RUSSELL_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.2 """ Inverse transfer function from *Russell RGB* colourspace to linear. RUSSELL_RGB_INVERSE_TRANSFER_FUNCTION : object """ RUSSELL_RGB_COLOURSPACE = RGB_Colourspace( 'Russell RGB', RUSSELL_RGB_PRIMARIES, RUSSELL_RGB_WHITEPOINT, RUSSELL_RGB_TO_XYZ_MATRIX, XYZ_TO_RUSSELL_RGB_MATRIX, RUSSELL_RGB_TRANSFER_FUNCTION, RUSSELL_RGB_INVERSE_TRANSFER_FUNCTION) """ *Russell RGB* colourspace. RUSSELL_RGB_COLOURSPACE : RGB_Colourspace """
S_LOG_TRANSFER_FUNCTION = lambda x: ( (0.432699 * math.log10(x + 0.037584) + 0.616596) + 0.03) """ Transfer function from linear to *S-Log* colourspace. S_LOG_TRANSFER_FUNCTION : object """ S_LOG_INVERSE_TRANSFER_FUNCTION = lambda x: ( (math.pow(10, ((x - 0.616596 - 0.03) / 0.432699)) - 0.037584)) """ Inverse transfer function from *S-Log* colourspace to linear. S_LOG_INVERSE_TRANSFER_FUNCTION : object """ S_LOG_COLOURSPACE = RGB_Colourspace( 'S-Log', S_LOG_PRIMARIES, S_LOG_WHITEPOINT, S_LOG_TO_XYZ_MATRIX, XYZ_TO_S_LOG_MATRIX, S_LOG_TRANSFER_FUNCTION, S_LOG_INVERSE_TRANSFER_FUNCTION) """ *S-Log* colourspace. S_LOG_COLOURSPACE : RGB_Colourspace """
""" Opto-electronic conversion function of *Ekta Space PS 5* colourspace. EKTA_SPACE_PS_5_OECF : object """ EKTA_SPACE_PS_5_EOCF = ( _ekta_space_ps_5_EOCF) """ Electro-optical conversion function of *Ekta Space PS 5* colourspace to linear. EKTA_SPACE_PS_5_EOCF : object """ 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_ILLUMINANT, EKTA_SPACE_PS_5_TO_XYZ_MATRIX, XYZ_TO_EKTA_SPACE_PS_5_MATRIX, EKTA_SPACE_PS_5_OECF, EKTA_SPACE_PS_5_EOCF) """ *Ekta Space PS 5* colourspace. EKTA_SPACE_PS_5_COLOURSPACE : RGB_Colourspace """
""" *CIE XYZ* colourspace to *Ekta Space PS 5* colourspace matrix. XYZ_TO_EKTA_SPACE_PS_5_MATRIX : array_like, (3, 3) """ EKTA_SPACE_PS_5_TRANSFER_FUNCTION = lambda x: x**(1 / 2.2) """ Transfer function from linear to *Ekta Space PS 5* colourspace. EKTA_SPACE_PS_5_TRANSFER_FUNCTION : object """ EKTA_SPACE_PS_5_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.2 """ Inverse transfer function from *Ekta Space PS 5* colourspace to linear. EKTA_SPACE_PS_5_INVERSE_TRANSFER_FUNCTION : object """ 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_TO_XYZ_MATRIX, XYZ_TO_EKTA_SPACE_PS_5_MATRIX, EKTA_SPACE_PS_5_TRANSFER_FUNCTION, EKTA_SPACE_PS_5_INVERSE_TRANSFER_FUNCTION) """ *Ekta Space PS 5* colourspace. EKTA_SPACE_PS_5_COLOURSPACE : RGB_Colourspace """
XYZ_TO_PAL_SECAM_RGB_MATRIX = np.linalg.inv(PAL_SECAM_RGB_TO_XYZ_MATRIX) """ *CIE XYZ* colourspace to *Pal/Secam RGB* colourspace matrix. XYZ_TO_PAL_SECAM_RGB_MATRIX : array_like, (3, 3) """ PAL_SECAM_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 2.8) """ Transfer function from linear to *Pal/Secam RGB* colourspace. PAL_SECAM_RGB_TRANSFER_FUNCTION : object """ PAL_SECAM_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.8 """ Inverse transfer function from *Pal/Secam RGB* colourspace to linear. PAL_SECAM_RGB_INVERSE_TRANSFER_FUNCTION : object """ PAL_SECAM_RGB_COLOURSPACE = RGB_Colourspace( 'Pal/Secam RGB', PAL_SECAM_RGB_PRIMARIES, PAL_SECAM_RGB_WHITEPOINT, PAL_SECAM_RGB_TO_XYZ_MATRIX, XYZ_TO_PAL_SECAM_RGB_MATRIX, PAL_SECAM_RGB_TRANSFER_FUNCTION, PAL_SECAM_RGB_INVERSE_TRANSFER_FUNCTION) """ *Pal/Secam RGB* colourspace. PAL_SECAM_RGB_COLOURSPACE : RGB_Colourspace """
b = REC_2020_CONSTANTS.beta(is_10_bits_system) return np.where(value < _rec_2020_OECF(b), value / 4.5, ((value + (a - 1)) / a)**(1 / 0.45)) REC_2020_OECF = _rec_2020_OECF """ Opto-electronic conversion function of *Rec. 2020* colourspace. REC_2020_OECF : object """ REC_2020_EOCF = _rec_2020_EOCF """ Electro-optical conversion function of *Rec. 2020* colourspace. REC_2020_EOCF : object """ REC_2020_COLOURSPACE = RGB_Colourspace('Rec. 2020', REC_2020_PRIMARIES, REC_2020_WHITEPOINT, REC_2020_ILLUMINANT, REC_2020_TO_XYZ_MATRIX, XYZ_TO_REC_2020_MATRIX, REC_2020_OECF, REC_2020_EOCF) """ *Rec. 2020* colourspace. REC_2020_COLOURSPACE : RGB_Colourspace """
value = np.asarray(value) return value**2.2 MAX_RGB_OECF = _max_rgb_OECF """ Opto-electronic conversion function of *Max RGB* colourspace. MAX_RGB_OECF : object """ MAX_RGB_EOCF = _max_rgb_EOCF """ Electro-optical conversion function of *Max RGB* colourspace. MAX_RGB_EOCF : object """ 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, MAX_RGB_OECF, MAX_RGB_EOCF) """ *Max RGB* colourspace. MAX_RGB_COLOURSPACE : RGB_Colourspace """
CINEMA_GAMUT_OECF = _cinema_gamut_OECF """ Opto-electronic conversion function of *Cinema Gamut* colourspace. CINEMA_GAMUT_OECF : object """ CINEMA_GAMUT_EOCF = ( _cinema_gamut_EOCF) """ Electro-optical conversion function of *Cinema Gamut* colourspace. CINEMA_GAMUT_EOCF : object """ 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, CINEMA_GAMUT_OECF, CINEMA_GAMUT_EOCF) """ *Cinema Gamut* colourspace. CINEMA_GAMUT_COLOURSPACE : RGB_Colourspace """
RED_LOG_FILM_OECF : object """ RED_LOG_FILM_EOCF = _red_log_film_to_linear """ Electro-optical conversion function of *REDLogFilm* to linear. RED_LOG_FILM_EOCF : object """ 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, RED_LOG_FILM_OECF, RED_LOG_FILM_EOCF) """ *REDcolor* colourspace. RED_COLOR_COLOURSPACE : RGB_Colourspace """ RED_COLOR_2_PRIMARIES = np.array( [[0.8786825104761286, 0.3249640074099105], [0.3008887143674324, 0.6790547557905675], [0.0953986946056151, -0.0293793268343266]]) """
""" return luminance_1976(value * 100) / 100 ECI_RGB_V2_OECF = _eci_rgb_v2_OECF """ Opto-electronic conversion function of *ECI RGB v2* colourspace. ECI_RGB_V2_OECF : object """ ECI_RGB_V2_EOCF = _eci_rgb_v2_EOCF """ Electro-optical conversion function of *ECI RGB v2* colourspace. ECI_RGB_V2_EOCF : object """ ECI_RGB_V2_COLOURSPACE = RGB_Colourspace('ECI RGB v2', ECI_RGB_V2_PRIMARIES, ECI_RGB_V2_WHITEPOINT, ECI_RGB_V_ILLUMINANT, ECI_RGB_V2_TO_XYZ_MATRIX, XYZ_TO_ECI_RGB_V2_MATRIX, ECI_RGB_V2_OECF, ECI_RGB_V2_EOCF) """ *ECI RGB v2* colourspace. ECI_RGB_V2_COLOURSPACE : RGB_Colourspace """
XYZ_TO_MAX_RGB_MATRIX : array_like, (3, 3) """ MAX_RGB_TRANSFER_FUNCTION = lambda x: x ** (1 / 2.2) """ Transfer function from linear to *Max RGB* colourspace. MAX_RGB_TRANSFER_FUNCTION : object """ MAX_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x ** 2.2 """ Inverse transfer function from *Max RGB* colourspace to linear. MAX_RGB_INVERSE_TRANSFER_FUNCTION : object """ MAX_RGB_COLOURSPACE = RGB_Colourspace( 'Max RGB', MAX_RGB_PRIMARIES, MAX_RGB_WHITEPOINT, MAX_RGB_TO_XYZ_MATRIX, XYZ_TO_MAX_RGB_MATRIX, MAX_RGB_TRANSFER_FUNCTION, MAX_RGB_INVERSE_TRANSFER_FUNCTION) """ *Max RGB* colourspace. MAX_RGB_COLOURSPACE : RGB_Colourspace """
""" Opto-electronic conversion function of *Adobe Wide Gamut RGB* colourspace. ADOBE_WIDE_GAMUT_RGB_OECF : object """ ADOBE_WIDE_GAMUT_RGB_EOCF = ( _adobe_wide_gamut_rgb_EOCF) """ Electro-optical conversion function of *Adobe Wide Gamut RGB* colourspace to linear. ADOBE_WIDE_GAMUT_RGB_EOCF : object """ 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_ILLUMINANT, ADOBE_WIDE_GAMUT_RGB_TO_XYZ_MATRIX, XYZ_TO_ADOBE_WIDE_GAMUT_RGB_MATRIX, ADOBE_WIDE_GAMUT_RGB_OECF, ADOBE_WIDE_GAMUT_RGB_EOCF) """ *Adobe Wide Gamut RGB* colourspace. ADOBE_WIDE_GAMUT_RGB_COLOURSPACE : RGB_Colourspace """
*CIE XYZ* colourspace to *sRGB* colourspace matrix. XYZ_TO_sRGB_MATRIX : array_like, (3, 3) """ sRGB_TRANSFER_FUNCTION = lambda x: (x * 12.92 if x <= 0.0031308 else 1.055 * (x**(1 / 2.4)) - 0.055) """ Transfer function from linear to *sRGB* colourspace. sRGB_TRANSFER_FUNCTION : object """ sRGB_INVERSE_TRANSFER_FUNCTION = lambda x: (x / 12.92 if x <= 0.0031308 else ((x + 0.055) / 1.055)**2.4) """ Inverse transfer function from *sRGB* colourspace to linear. sRGB_INVERSE_TRANSFER_FUNCTION : object """ sRGB_COLOURSPACE = RGB_Colourspace('sRGB', sRGB_PRIMARIES, sRGB_WHITEPOINT, sRGB_TO_XYZ_MATRIX, XYZ_TO_sRGB_MATRIX, sRGB_TRANSFER_FUNCTION, sRGB_INVERSE_TRANSFER_FUNCTION) """ *sRGB* colourspace. sRGB_COLOURSPACE : RGB_Colourspace """
*CIE XYZ* colourspace to *NTSC RGB* colourspace matrix. XYZ_TO_NTSC_RGB_MATRIX : array_like, (3, 3) """ NTSC_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 2.2) """ Transfer function from linear to *NTSC RGB* colourspace. NTSC_RGB_TRANSFER_FUNCTION : object """ NTSC_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.2 """ Inverse transfer function from *NTSC RGB* colourspace to linear. NTSC_RGB_INVERSE_TRANSFER_FUNCTION : object """ NTSC_RGB_COLOURSPACE = RGB_Colourspace('NTSC RGB', NTSC_RGB_PRIMARIES, NTSC_RGB_WHITEPOINT, NTSC_RGB_TO_XYZ_MATRIX, XYZ_TO_NTSC_RGB_MATRIX, NTSC_RGB_TRANSFER_FUNCTION, NTSC_RGB_INVERSE_TRANSFER_FUNCTION) """ *NTSC RGB* colourspace. NTSC_RGB_COLOURSPACE : RGB_Colourspace """
XTREME_RGB_OECF = _xtreme_rgb_OECF """ Opto-electronic conversion function of *Xtreme RGB* colourspace. XTREME_RGB_OECF : object """ XTREME_RGB_EOCF = _xtreme_rgb_EOCF """ Electro-optical conversion function of *Xtreme RGB* colourspace. XTREME_RGB_EOCF : object """ XTREME_RGB_COLOURSPACE = RGB_Colourspace( 'Xtreme RGB', XTREME_RGB_PRIMARIES, XTREME_RGB_WHITEPOINT, XTREME_RGB_ILLUMINANT, XTREME_RGB_TO_XYZ_MATRIX, XYZ_TO_XTREME_RGB_MATRIX, XTREME_RGB_OECF, XTREME_RGB_EOCF) """ *Xtreme RGB* colourspace. XTREME_RGB_COLOURSPACE : RGB_Colourspace """
value = np.asarray(value) return value**2.2 BEST_RGB_OECF = _best_rgb_OECF """ Opto-electronic conversion function of *Best RGB* colourspace. BEST_RGB_OECF : object """ BEST_RGB_EOCF = _best_rgb_EOCF """ Electro-optical conversion function of *Best RGB* colourspace. BEST_RGB_EOCF : object """ 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, BEST_RGB_OECF, BEST_RGB_EOCF) """ *Best RGB* colourspace. BEST_RGB_COLOURSPACE : RGB_Colourspace """
REC_709_OECF = _rec_709_OECF """ Opto-electronic conversion function of *Rec. 709* colourspace. REC_709_OECF : object """ REC_709_EOCF = _rec_709_EOCF """ Electro-optical conversion function of *Rec. 709* colourspace. REC_709_EOCF : object Warning ------- *Recommendation ITU-R BT.709-5* doesn't specify an electro-optical conversion function. This definition is used for symmetry in unit tests and other computations but should not be used as an *EOCF* for *Rec. 709* colourspace! """ REC_709_COLOURSPACE = RGB_Colourspace('Rec. 709', REC_709_PRIMARIES, REC_709_WHITEPOINT, REC_709_ILLUMINANT, REC_709_TO_XYZ_MATRIX, XYZ_TO_REC_709_MATRIX, REC_709_OECF, REC_709_EOCF) """ *Rec. 709* colourspace. REC_709_COLOURSPACE : RGB_Colourspace """
value = np.asarray(value) return value**2.2 NTSC_RGB_OECF = _ntsc_rgb_OECF """ Opto-electronic conversion function of *NTSC RGB* colourspace. NTSC_RGB_OECF : object """ NTSC_RGB_EOCF = _ntsc_rgb_EOCF """ Electro-optical conversion function of *NTSC RGB* colourspace. NTSC_RGB_EOCF : object """ NTSC_RGB_COLOURSPACE = RGB_Colourspace('NTSC RGB', NTSC_RGB_PRIMARIES, NTSC_RGB_WHITEPOINT, NTSC_RGB_ILLUMINANT, NTSC_RGB_TO_XYZ_MATRIX, XYZ_TO_NTSC_RGB_MATRIX, NTSC_RGB_OECF, NTSC_RGB_EOCF) """ *NTSC RGB* colourspace. NTSC_RGB_COLOURSPACE : RGB_Colourspace """
ALEXA_WIDE_GAMUT_RGB_TRANSFER_FUNCTION = ( _alexa_wide_gamut_rgb_transfer_function) """ Transfer function from linear to *ALEXA Wide Gamut RGB* colourspace. ALEXA_WIDE_GAMUT_RGB_TRANSFER_FUNCTION : object """ ALEXA_WIDE_GAMUT_RGB_INVERSE_TRANSFER_FUNCTION = ( _alexa_wide_gamut_rgb_inverse_transfer_function) """ Inverse transfer function from *ALEXA Wide Gamut RGB* colourspace to linear. ALEXA_WIDE_GAMUT_RGB_INVERSE_TRANSFER_FUNCTION : object """ ALEXA_WIDE_GAMUT_RGB_COLOURSPACE = RGB_Colourspace( 'ALEXA Wide Gamut RGB', ALEXA_WIDE_GAMUT_RGB_PRIMARIES, ALEXA_WIDE_GAMUT_RGB_WHITEPOINT, ALEXA_WIDE_GAMUT_RGB_TO_XYZ_MATRIX, XYZ_TO_ALEXA_WIDE_GAMUT_RGB_MATRIX, ALEXA_WIDE_GAMUT_RGB_TRANSFER_FUNCTION, ALEXA_WIDE_GAMUT_RGB_INVERSE_TRANSFER_FUNCTION) """ *ALEXA Wide Gamut RGB* colourspace. ALEXA_WIDE_GAMUT_RGB_COLOURSPACE : RGB_Colourspace """
value = np.where(value < cut2, (value - 0.125) / 5.6, np.power(10, ((value - d) / c)) - b) return value V_LOG_OECF = _linear_to_v_log """ Opto-electronic conversion function of *V-Log*. V_LOG_OECF : object """ V_LOG_EOCF = _v_log_to_linear """ Electro-optical conversion function of *V-Log* to linear. V_LOG_EOCF : object """ V_GAMUT_COLOURSPACE = RGB_Colourspace('V-Gamut', V_GAMUT_PRIMARIES, V_GAMUT_WHITEPOINT, V_GAMUT_ILLUMINANT, V_GAMUT_TO_XYZ_MATRIX, XYZ_TO_V_GAMUT_MATRIX, V_LOG_OECF, V_LOG_EOCF) """ *V-Gamut* colourspace. V_GAMUT_COLOURSPACE : RGB_Colourspace """
XYZ_TO_ADOBE_RGB_1998_MATRIX = np.linalg.inv(ADOBE_RGB_1998_TO_XYZ_MATRIX) """ *CIE XYZ* colourspace to *Adobe RGB 1998* colourspace matrix. XYZ_TO_ADOBE_RGB_1998_MATRIX : array_like, (3, 3) """ ADOBE_RGB_1998_TRANSFER_FUNCTION = lambda x: x**(1 / (563 / 256)) """ Transfer function from linear to *Adobe RGB 1998* colourspace. ADOBE_RGB_1998_TRANSFER_FUNCTION : object """ ADOBE_RGB_1998_INVERSE_TRANSFER_FUNCTION = lambda x: x**(563 / 256) """ Inverse transfer function from *Adobe RGB 1998* colourspace to linear. ADOBE_RGB_1998_INVERSE_TRANSFER_FUNCTION : object """ ADOBE_RGB_1998_COLOURSPACE = RGB_Colourspace( 'Adobe RGB 1998', ADOBE_RGB_1998_PRIMARIES, ADOBE_RGB_1998_WHITEPOINT, ADOBE_RGB_1998_TO_XYZ_MATRIX, XYZ_TO_ADOBE_RGB_1998_MATRIX, ADOBE_RGB_1998_TRANSFER_FUNCTION, ADOBE_RGB_1998_INVERSE_TRANSFER_FUNCTION) """ *Adobe RGB 1998* colourspace. ADOBE_RGB_1998_COLOURSPACE : RGB_Colourspace """
*CIE XYZ* colourspace to *Best RGB* colourspace matrix. XYZ_TO_BEST_RGB_MATRIX : array_like, (3, 3) """ BEST_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 2.2) """ Transfer function from linear to *Best RGB* colourspace. BEST_RGB_TRANSFER_FUNCTION : object """ BEST_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.2 """ Inverse transfer function from *Best RGB* colourspace to linear. BEST_RGB_INVERSE_TRANSFER_FUNCTION : object """ BEST_RGB_COLOURSPACE = RGB_Colourspace('Best RGB', BEST_RGB_PRIMARIES, BEST_RGB_WHITEPOINT, BEST_RGB_TO_XYZ_MATRIX, XYZ_TO_BEST_RGB_MATRIX, BEST_RGB_TRANSFER_FUNCTION, BEST_RGB_INVERSE_TRANSFER_FUNCTION) """ *Best RGB* colourspace. BEST_RGB_COLOURSPACE : RGB_Colourspace """
XYZ_TO_SMPTE_C_RGB_MATRIX = np.linalg.inv(SMPTE_C_RGB_TO_XYZ_MATRIX) """ *CIE XYZ* colourspace to *SMPTE-C RGB* colourspace matrix. XYZ_TO_SMPTE_C_RGB_MATRIX : array_like, (3, 3) """ SMPTE_C_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 2.2) """ Transfer function from linear to *SMPTE-C RGB* colourspace. SMPTE_C_RGB_TRANSFER_FUNCTION : object """ SMPTE_C_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**2.2 """ Inverse transfer function from *SMPTE-C RGB* colourspace to linear. SMPTE_C_RGB_INVERSE_TRANSFER_FUNCTION : object """ SMPTE_C_RGB_COLOURSPACE = RGB_Colourspace( 'SMPTE-C RGB', SMPTE_C_RGB_PRIMARIES, SMPTE_C_RGB_WHITEPOINT, SMPTE_C_RGB_TO_XYZ_MATRIX, XYZ_TO_SMPTE_C_RGB_MATRIX, SMPTE_C_RGB_TRANSFER_FUNCTION, SMPTE_C_RGB_INVERSE_TRANSFER_FUNCTION) """ *SMPTE-C RGB* colourspace. SMPTE_C_RGB_COLOURSPACE : RGB_Colourspace """
""" value = np.asarray(value) return value**2.8 PAL_SECAM_RGB_OECF = _pal_secam_rgb_OECF """ Opto-electronic conversion function of *Pal/Secam RGB* colourspace. PAL_SECAM_RGB_OECF : object """ PAL_SECAM_RGB_EOCF = (_pal_secam_rgb_EOCF) """ Electro-optical conversion function of *Pal/Secam RGB* colourspace. PAL_SECAM_RGB_EOCF : object """ PAL_SECAM_RGB_COLOURSPACE = RGB_Colourspace( 'Pal/Secam RGB', PAL_SECAM_RGB_PRIMARIES, PAL_SECAM_RGB_WHITEPOINT, PAL_SECAM_RGB_ILLUMINANT, PAL_SECAM_RGB_TO_XYZ_MATRIX, XYZ_TO_PAL_SECAM_RGB_MATRIX, PAL_SECAM_RGB_OECF, PAL_SECAM_RGB_EOCF) """ *Pal/Secam RGB* colourspace. PAL_SECAM_RGB_COLOURSPACE : RGB_Colourspace """
ALEXA_LOG_C_OECF = _linear_to_alexa_log_c """ Opto-electronic conversion function of *ALEXA Log C*. ALEXA_LOG_C_OECF : object """ ALEXA_LOG_C_EOCF = _alexa_log_c_to_linear """ Electro-optical conversion function of *ALEXA Log C* to linear. ALEXA_LOG_C_EOCF : object """ ALEXA_WIDE_GAMUT_RGB_COLOURSPACE = RGB_Colourspace( 'ALEXA Wide Gamut RGB', ALEXA_WIDE_GAMUT_RGB_PRIMARIES, ALEXA_WIDE_GAMUT_RGB_WHITEPOINT, ALEXA_WIDE_GAMUT_RGB_ILLUMINANT, ALEXA_WIDE_GAMUT_RGB_TO_XYZ_MATRIX, XYZ_TO_ALEXA_WIDE_GAMUT_RGB_MATRIX, ALEXA_LOG_C_OECF, ALEXA_LOG_C_EOCF) """ *ALEXA Wide Gamut RGB* colourspace. ALEXA_WIDE_GAMUT_RGB_COLOURSPACE : RGB_Colourspace """
""" *CIE XYZ* colourspace to *ColorMatch RGB* colourspace matrix. XYZ_TO_COLOR_MATCH_RGB_MATRIX : array_like, (3, 3) """ COLOR_MATCH_RGB_TRANSFER_FUNCTION = lambda x: x**(1 / 1.8) """ Transfer function from linear to *ColorMatch RGB* colourspace. COLOR_MATCH_RGB_TRANSFER_FUNCTION : object """ COLOR_MATCH_RGB_INVERSE_TRANSFER_FUNCTION = lambda x: x**1.8 """ Inverse transfer function from *ColorMatch RGB* colourspace to linear. COLOR_MATCH_RGB_INVERSE_TRANSFER_FUNCTION : object """ COLOR_MATCH_RGB_COLOURSPACE = RGB_Colourspace( 'ColorMatch RGB', COLOR_MATCH_RGB_PRIMARIES, COLOR_MATCH_RGB_WHITEPOINT, COLOR_MATCH_RGB_TO_XYZ_MATRIX, XYZ_TO_COLOR_MATCH_RGB_MATRIX, COLOR_MATCH_RGB_TRANSFER_FUNCTION, COLOR_MATCH_RGB_INVERSE_TRANSFER_FUNCTION) """ *ColorMatch RGB* colourspace. COLOR_MATCH_RGB_COLOURSPACE : RGB_Colourspace """