Thomas Mansencal KelSolaar
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KelSolaar
/ CCT_D_uv_computation_from_SPD.py
Created
August 25, 2016 22:04
CCT & D_uv Computation from Spectral Power Distribution
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| import colour | |
| colour.filter_warnings() | |
| XYZ = colour.spectral_to_XYZ(colour.ILLUMINANTS_RELATIVE_SPDS['D65']) / 100.0 | |
| UCS = colour.XYZ_to_UCS(XYZ) | |
| uv = colour.UCS_to_uv(UCS) | |
| CCT, D_uv = colour.uv_to_CCT_Ohno2013(uv) | |
| print(CCT, D_uv) |
KelSolaar
/ absolute_luminance_calibration.nkp
Created
September 1, 2016 09:41
Nuke - Absolute Luminance Calibration
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| set cut_paste_input [stack 0] | |
| version 9.0 v4 | |
| push $cut_paste_input | |
| Group { | |
| name Absolute_Luminance_Calibration | |
| tile_color 0xffbf00ff | |
| selected true | |
| xpos -40 | |
| ypos 39 | |
| addUserKnob {20 absolute_luminance_calibration_tab l "Absolute Luminance Calibration"} |
KelSolaar
/ gist:24c8ec4d9c35dbaebaca7fea3cc15910
Created
December 28, 2016 20:51
— forked from levelsio/gist:122907e95956602e5c09
slack2html
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| <? | |
| ///////////////////// | |
| // slack2html | |
| // by @levelsio | |
| ///////////////////// | |
| // | |
| ///////////////////// | |
| // WHAT DOES THIS DO? | |
| ///////////////////// | |
| // |
KelSolaar
/ colour_rgb_colourspace_definition.py
Created
December 31, 2016 04:40
Colour - RGB Colourspace Definition
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| import numpy as np | |
| import colour | |
| # Manual NPM Derivation | |
| primaries=np.array([[0.1, 0.2], | |
| [0.3, 0.4], | |
| [0.5, 0.6]]) | |
| whitepoint=np.array([0.5, 0.5]) | |
| npm = colour.normalised_primary_matrix( |
KelSolaar
/ rimm_romm_rgb_d65_to_aces_cg.py
Last active
February 23, 2017 19:38
RIMM ROMM RGB D65 to ACEScg
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| # Using latest colour develop branch. | |
| import colour | |
| D65 = colour.ILLUMINANTS['cie_2_1931']['D65'] | |
| P = colour.ROMM_RGB_COLOURSPACE.primaries | |
| W = colour.ROMM_RGB_COLOURSPACE.whitepoint | |
| P_a = colour.chromatically_adapted_primaries(P, W, D65) |
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| import numpy as np | |
| import colour | |
| RGB_i = [0.325683457522574, 0.094356847568351, 0.745367969845698] | |
| RGB_o = np.ones(3) | |
| for i in range(10000): | |
| RGB_o = colour.HSV_to_RGB(colour.RGB_to_HSV(RGB_i)) |
KelSolaar
/ cie_e_no_k_factor_normalisation.py
Created
March 17, 2017 19:45
CIE E - No k Factor Normalisation
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| import colour | |
| # Normalisation factor k = 1 in colour.spectral_to_XYZ_integration: | |
| # https://github.com/colour-science/colour/blob/535609305db468d1f7e96e2500c110dc6550803c/colour/colorimetry/tristimulus.py#L471 | |
| colour.spectral_to_XYZ_integration(colour.ILLUMINANTS_RELATIVE_SPDS['E']) / 100 | |
| # array([ 106.86546949, 106.8569171 , 106.89225128]) |
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| import numpy as np | |
| from astropy.io import fits | |
| import colour | |
| import colour_demosaicing | |
| image = its.getdata('test.fits', ext=0).astype(np.float_) / 255.0 | |
| # image = colour.orient(image, '90 CW') |
KelSolaar
/ eos_c700_primaries_derivation.py
Created
March 28, 2017 04:47
EOS C700 - Primaries Derivation
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| # IDT.Canon.EOSC700_CanonLog_CinemaGamut_TypeC_D55.a1.v1.ctl | |
| import numpy as np | |
| import colour | |
| EOSC700_CINEMAGAMUT_TO_ACES_2065_1 = np.array( | |
| [[0.763064455, 0.149021161, 0.087914384], | |
| [0.003657457, 1.10696038, -0.110617837], | |
| [-0.009407794, - 0.218383305, 1.227791099]]) |