import aces_ocio.generateLUT as genlut
from aces_ocio.util import ColorSpace, mat44FromMat33
+__author__ = 'ACES Developers'
+__copyright__ = 'Copyright (C) 2014 - 2015 - ACES Developers'
+__license__ = ''
+__maintainer__ = 'ACES Developers'
+__email__ = 'aces@oscars.org'
+__status__ = 'Production'
+
+__all__ = ['createREDlogFilm',
+ 'createColorSpaces']
+
#
# RED color spaces to ACES
#
cs.description = name
cs.equalityGroup = ''
cs.family = 'RED'
- cs.isData=False
+ cs.isData = False
def cineonToLinear(codeValue):
nGamma = 0.6
whitePoint = 685.0
codeValueToDensity = 0.002
- blackLinear = pow(10.0, (blackPoint - whitePoint) * (codeValueToDensity / nGamma))
- codeLinear = pow(10.0, (codeValue - whitePoint) * (codeValueToDensity / nGamma))
+ blackLinear = pow(10.0, (blackPoint - whitePoint) * (
+ codeValueToDensity / nGamma))
+ codeLinear = pow(10.0, (codeValue - whitePoint) * (
+ codeValueToDensity / nGamma))
- return (codeLinear - blackLinear)/(1.0 - blackLinear)
+ return (codeLinear - blackLinear) / (1.0 - blackLinear)
cs.toReferenceTransforms = []
if transferFunction == 'REDlogFilm':
data = array.array('f', "\0" * lutResolution1d * 4)
for c in range(lutResolution1d):
- data[c] = cineonToLinear(1023.0*c/(lutResolution1d-1))
+ data[c] = cineonToLinear(1023.0 * c / (lutResolution1d - 1))
lut = "CineonLog_to_linear.spi1d"
- genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
-
- cs.toReferenceTransforms.append( {
- 'type':'lutFile',
- 'path':lut,
- 'interpolation':'linear',
- 'direction':'forward'
- } )
+ genlut.writeSPI1D(lutDir + "/" + lut,
+ 0.0,
+ 1.0,
+ data,
+ lutResolution1d,
+ 1)
+
+ cs.toReferenceTransforms.append({
+ 'type': 'lutFile',
+ 'path': lut,
+ 'interpolation': 'linear',
+ 'direction': 'forward'
+ })
if gamut == 'DRAGONcolor':
- cs.toReferenceTransforms.append( {
- 'type':'matrix',
- 'matrix':mat44FromMat33([0.532279, 0.376648, 0.091073,
- 0.046344, 0.974513, -0.020860,
- -0.053976, -0.000320, 1.054267]),
- 'direction':'forward'
+ cs.toReferenceTransforms.append({
+ 'type': 'matrix',
+ 'matrix': mat44FromMat33([0.532279, 0.376648, 0.091073,
+ 0.046344, 0.974513, -0.020860,
+ -0.053976, -0.000320, 1.054267]),
+ 'direction': 'forward'
})
elif gamut == 'DRAGONcolor2':
- cs.toReferenceTransforms.append( {
- 'type':'matrix',
- 'matrix':mat44FromMat33([0.468452, 0.331484, 0.200064,
- 0.040787, 0.857658, 0.101553,
- -0.047504, -0.000282, 1.047756]),
- 'direction':'forward'
+ cs.toReferenceTransforms.append({
+ 'type': 'matrix',
+ 'matrix': mat44FromMat33([0.468452, 0.331484, 0.200064,
+ 0.040787, 0.857658, 0.101553,
+ -0.047504, -0.000282, 1.047756]),
+ 'direction': 'forward'
})
elif gamut == 'REDcolor2':
- cs.toReferenceTransforms.append( {
- 'type':'matrix',
- 'matrix':mat44FromMat33([0.480997, 0.402289, 0.116714,
- -0.004938, 1.000154, 0.004781,
- -0.105257, 0.025320, 1.079907]),
- 'direction':'forward'
+ cs.toReferenceTransforms.append({
+ 'type': 'matrix',
+ 'matrix': mat44FromMat33([0.480997, 0.402289, 0.116714,
+ -0.004938, 1.000154, 0.004781,
+ -0.105257, 0.025320, 1.079907]),
+ 'direction': 'forward'
})
elif gamut == 'REDcolor3':
- cs.toReferenceTransforms.append( {
- 'type':'matrix',
- 'matrix':mat44FromMat33([0.512136, 0.360370, 0.127494,
- 0.070377, 0.903884, 0.025737,
- -0.020824, 0.017671, 1.003123]),
- 'direction':'forward'
+ cs.toReferenceTransforms.append({
+ 'type': 'matrix',
+ 'matrix': mat44FromMat33([0.512136, 0.360370, 0.127494,
+ 0.070377, 0.903884, 0.025737,
+ -0.020824, 0.017671, 1.003123]),
+ 'direction': 'forward'
})
elif gamut == 'REDcolor4':
- cs.toReferenceTransforms.append( {
- 'type':'matrix',
- 'matrix':mat44FromMat33([0.474202, 0.333677, 0.192121,
- 0.065164, 0.836932, 0.097901,
- -0.019281, 0.016362, 1.002889]),
- 'direction':'forward'
+ cs.toReferenceTransforms.append({
+ 'type': 'matrix',
+ 'matrix': mat44FromMat33([0.474202, 0.333677, 0.192121,
+ 0.065164, 0.836932, 0.097901,
+ -0.019281, 0.016362, 1.002889]),
+ 'direction': 'forward'
})
cs.fromReferenceTransforms = []
return cs
+
# Generate all color spaces conversion
def createColorSpaces(lutDir, lutResolution1d):
colorspaces = []
# Full conversion
- REDlogFilmDRAGON = createREDlogFilm("DRAGONcolor", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmDRAGON = createREDlogFilm(
+ "DRAGONcolor", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmDRAGON)
- REDlogFilmDRAGON2 = createREDlogFilm("DRAGONcolor2", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmDRAGON2 = createREDlogFilm(
+ "DRAGONcolor2", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmDRAGON2)
- REDlogFilmREDcolor2 = createREDlogFilm("REDcolor2", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor2 = createREDlogFilm(
+ "REDcolor2", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor2)
- REDlogFilmREDcolor3 = createREDlogFilm("REDcolor3", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor3 = createREDlogFilm(
+ "REDcolor3", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor3)
- REDlogFilmREDcolor4 = createREDlogFilm("REDcolor4", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor4 = createREDlogFilm(
+ "REDcolor4", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor4)
# Linearization only
- REDlogFilmDRAGON = createREDlogFilm("", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmDRAGON = createREDlogFilm(
+ "", "REDlogFilm", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmDRAGON)
# Primaries only
- REDlogFilmDRAGON = createREDlogFilm("DRAGONcolor", "", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmDRAGON = createREDlogFilm(
+ "DRAGONcolor", "", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmDRAGON)
- REDlogFilmDRAGON2 = createREDlogFilm("DRAGONcolor2", "", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmDRAGON2 = createREDlogFilm(
+ "DRAGONcolor2", "", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmDRAGON2)
- REDlogFilmREDcolor2 = createREDlogFilm("REDcolor2", "", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor2 = createREDlogFilm(
+ "REDcolor2", "", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor2)
- REDlogFilmREDcolor3 = createREDlogFilm("REDcolor3", "", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor3 = createREDlogFilm(
+ "REDcolor3", "", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor3)
- REDlogFilmREDcolor4 = createREDlogFilm("REDcolor4", "", "REDlogFilm", lutDir, lutResolution1d)
+ REDlogFilmREDcolor4 = createREDlogFilm(
+ "REDcolor4", "", "REDlogFilm", lutDir, lutResolution1d)
colorspaces.append(REDlogFilmREDcolor4)
return colorspaces