"""
import math
-import numpy
+#import numpy
import os
-import pprint
+#import pprint
import shutil
import string
import sys
import PyOpenColorIO as ocio
+import aces_ocio.create_aces_colorspaces as aces
import aces_ocio.create_arri_colorspaces as arri
import aces_ocio.create_canon_colorspaces as canon
import aces_ocio.create_red_colorspaces as red
import aces_ocio.create_sony_colorspaces as sony
+import aces_ocio.create_general_colorspaces as general
+
from aces_ocio.generate_lut import (
generate_1d_LUT_from_CTL,
generate_3d_LUT_from_CTL,
if not (view_name in views):
views.append(view_name)
displays.append(display)
+
# Defining the *Nuke* specific set of *views* and *displays*.
else:
for display, view_list in config_data['displays'].iteritems():
views.append(view_name)
displays.append(display)
- config.addDisplay('linear', 'View', 'ACES2065-1')
+ linear_display_space_name = config_data['linearDisplaySpace'].name
+ log_display_space_name = config_data['logDisplaySpace'].name
+
+ config.addDisplay('linear', 'View', linear_display_space_name)
displays.append('linear')
- config.addDisplay('log', 'View', 'ACEScc')
+ config.addDisplay('log', 'View', log_display_space_name)
displays.append('log')
# Setting the active *displays* and *views*.
return config
-
def generate_LUTs(odt_info,
lmt_info,
shaper_name,
print('generateLUTs - begin')
config_data = {}
- # Defining the reference colorspace.
- ACES = ColorSpace('ACES2065-1')
- ACES.description = (
- 'The Academy Color Encoding System reference color space')
- ACES.equality_group = ''
- ACES.aliases = ["lin_ap0", "aces"]
- ACES.family = 'ACES'
- ACES.is_data = False
- ACES.allocation_type = ocio.Constants.ALLOCATION_LG2
- ACES.allocation_vars = [-15, 6]
-
- config_data['referenceColorSpace'] = ACES
-
+ # Initialize a few variables
config_data['displays'] = {}
config_data['colorSpaces'] = []
- # Matrix converting *ACES AP1* primaries to *AP0*.
- ACES_AP1_to_AP0 = [0.6954522414, 0.1406786965, 0.1638690622,
- 0.0447945634, 0.8596711185, 0.0955343182,
- -0.0055258826, 0.0040252103, 1.0015006723]
-
- # Matrix converting *ACES AP0* primaries to *XYZ*.
- ACES_AP0_to_XYZ = [0.9525523959, 0.0000000000, 0.0000936786,
- 0.3439664498, 0.7281660966, -0.0721325464,
- 0.0000000000, 0.0000000000, 1.0088251844]
-
# -------------------------------------------------------------------------
- # *ACEScc*
+ # *ACES Color Spaces*
# -------------------------------------------------------------------------
- def create_ACEScc(name='ACEScc',
- min_value=0.0,
- max_value=1.0,
- input_scale=1.0):
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = ["acescc_ap1"]
- cs.equality_group = ''
- cs.family = 'ACES'
- cs.is_data = False
-
- ctls = [os.path.join(aces_CTL_directory,
- 'ACEScc',
- 'ACEScsc.ACEScc_to_ACES.a1.0.0.ctl'),
- # This transform gets back to the *AP1* primaries.
- # Useful as the 1d LUT is only covering the transfer function.
- # The primaries switch is covered by the matrix below:
- os.path.join(aces_CTL_directory,
- 'ACEScg',
- 'ACEScsc.ACES_to_ACEScg.a1.0.0.ctl')]
- lut = '%s_to_ACES.spi1d' % name
-
- lut = sanitize_path(lut)
-
- generate_1d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- ctls,
- lut_resolution_1d,
- 'float',
- input_scale,
- 1.0,
- {},
- cleanup,
- aces_CTL_directory,
- min_value,
- max_value)
-
- cs.to_reference_transforms = []
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'linear',
- 'direction': 'forward'})
-
- # *AP1* primaries to *AP0* primaries.
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(ACES_AP1_to_AP0),
- 'direction': 'forward'})
-
- cs.from_reference_transforms = []
- return cs
-
- ACEScc = create_ACEScc()
- config_data['colorSpaces'].append(ACEScc)
-
- # -------------------------------------------------------------------------
- # *ACESproxy*
- # -------------------------------------------------------------------------
- def create_ACESproxy(name='ACESproxy'):
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = ["acesproxy_ap1"]
- cs.equality_group = ''
- cs.family = 'ACES'
- cs.is_data = False
-
- ctls = [os.path.join(aces_CTL_directory,
- 'ACESproxy',
- 'ACEScsc.ACESproxy10i_to_ACES.a1.0.0.ctl'),
- # This transform gets back to the *AP1* primaries.
- # Useful as the 1d LUT is only covering the transfer function.
- # The primaries switch is covered by the matrix below:
- os.path.join(aces_CTL_directory,
- 'ACEScg',
- 'ACEScsc.ACES_to_ACEScg.a1.0.0.ctl')]
- lut = '%s_to_aces.spi1d' % name
-
- lut = sanitize_path(lut)
-
- generate_1d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- ctls,
- lut_resolution_1d,
- 'uint16',
- 64.0,
- 1.0,
- {},
- cleanup,
- aces_CTL_directory)
-
- cs.to_reference_transforms = []
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'linear',
- 'direction': 'forward'
- })
-
- # *AP1* primaries to *AP0* primaries.
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(ACES_AP1_to_AP0),
- 'direction': 'forward'
- })
-
- cs.from_reference_transforms = []
- return cs
-
- ACESproxy = create_ACESproxy()
- config_data['colorSpaces'].append(ACESproxy)
-
- # -------------------------------------------------------------------------
- # *ACEScg*
- # -------------------------------------------------------------------------
- def create_ACEScg(name='ACEScg'):
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = ["lin_ap1"]
- cs.equality_group = ''
- cs.family = 'ACES'
- cs.is_data = False
-
- cs.to_reference_transforms = []
-
- # *AP1* primaries to *AP0* primaries.
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(ACES_AP1_to_AP0),
- 'direction': 'forward'
- })
- cs.from_reference_transforms = []
- return cs
+ # *ACES* colorspaces
+ (aces_reference,
+ aces_colorspaces,
+ aces_displays,
+ aces_log_display_space) = aces.create_colorspaces(aces_CTL_directory,
+ lut_directory,
+ lut_resolution_1d,
+ lut_resolution_3d,
+ lmt_info,
+ odt_info,
+ shaper_name,
+ cleanup)
+
+ config_data['referenceColorSpace'] = aces_reference
+
+ for cs in aces_colorspaces:
+ config_data['colorSpaces'].append(cs)
- ACEScg = create_ACEScg()
- config_data['colorSpaces'].append(ACEScg)
+ for name, data in aces_displays.iteritems():
+ config_data['displays'][name] = data
- # -------------------------------------------------------------------------
- # *ADX*
- # -------------------------------------------------------------------------
- def create_ADX(bit_depth=10, name='ADX'):
- name = '%s%s' % (name, bit_depth)
- cs = ColorSpace(name)
- cs.description = '%s color space - used for film scans' % name
- cs.aliases = ["adx%s" % str(bit_depth)]
- cs.equality_group = ''
- cs.family = 'ADX'
- cs.is_data = False
-
- if bit_depth == 10:
- cs.bit_depth = ocio.Constants.BIT_DEPTH_UINT10
- adx_to_cdd = [1023.0 / 500.0, 0.0, 0.0, 0.0,
- 0.0, 1023.0 / 500.0, 0.0, 0.0,
- 0.0, 0.0, 1023.0 / 500.0, 0.0,
- 0.0, 0.0, 0.0, 1.0]
- offset = [-95.0 / 500.0, -95.0 / 500.0, -95.0 / 500.0, 0.0]
- elif bit_depth == 16:
- cs.bit_depth = ocio.Constants.BIT_DEPTH_UINT16
- adx_to_cdd = [65535.0 / 8000.0, 0.0, 0.0, 0.0,
- 0.0, 65535.0 / 8000.0, 0.0, 0.0,
- 0.0, 0.0, 65535.0 / 8000.0, 0.0,
- 0.0, 0.0, 0.0, 1.0]
- offset = [-1520.0 / 8000.0, -1520.0 / 8000.0, -1520.0 / 8000.0,
- 0.0]
-
- cs.to_reference_transforms = []
-
- # Converting from *ADX* to *Channel-Dependent Density*.
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': adx_to_cdd,
- 'offset': offset,
- 'direction': 'forward'})
-
- # Convert from Channel-Dependent Density to Channel-Independent Density
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': [0.75573, 0.22197, 0.02230, 0,
- 0.05901, 0.96928, -0.02829, 0,
- 0.16134, 0.07406, 0.76460, 0,
- 0.0, 0.0, 0.0, 1.0],
- 'direction': 'forward'})
-
- # Copied from *Alex Fry*'s *adx_cid_to_rle.py*
- def create_CID_to_RLE_LUT():
-
- def interpolate_1D(x, xp, fp):
- return numpy.interp(x, xp, fp)
-
- LUT_1D_xp = [-0.190000000000000,
- 0.010000000000000,
- 0.028000000000000,
- 0.054000000000000,
- 0.095000000000000,
- 0.145000000000000,
- 0.220000000000000,
- 0.300000000000000,
- 0.400000000000000,
- 0.500000000000000,
- 0.600000000000000]
-
- LUT_1D_fp = [-6.000000000000000,
- -2.721718645000000,
- -2.521718645000000,
- -2.321718645000000,
- -2.121718645000000,
- -1.921718645000000,
- -1.721718645000000,
- -1.521718645000000,
- -1.321718645000000,
- -1.121718645000000,
- -0.926545676714876]
-
- REF_PT = ((7120.0 - 1520.0) / 8000.0 * (100.0 / 55.0) -
- math.log(0.18, 10.0))
-
- def cid_to_rle(x):
- if x <= 0.6:
- return interpolate_1D(x, LUT_1D_xp, LUT_1D_fp)
- return (100.0 / 55.0) * x - REF_PT
-
- def fit(value, from_min, from_max, to_min, to_max):
- if from_min == from_max:
- raise ValueError('from_min == from_max')
- return (value - from_min) / (from_max - from_min) * (
- to_max - to_min) + to_min
-
- NUM_SAMPLES = 2 ** 12
- RANGE = (-0.19, 3.0)
- data = []
- for i in xrange(NUM_SAMPLES):
- x = i / (NUM_SAMPLES - 1.0)
- x = fit(x, 0.0, 1.0, RANGE[0], RANGE[1])
- data.append(cid_to_rle(x))
-
- lut = 'ADX_CID_to_RLE.spi1d'
- write_SPI_1d(os.path.join(lut_directory, lut),
- RANGE[0],
- RANGE[1],
- data,
- NUM_SAMPLES, 1)
-
- return lut
-
- # Converting *Channel Independent Density* values to
- # *Relative Log Exposure* values.
- lut = create_CID_to_RLE_LUT()
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'linear',
- 'direction': 'forward'})
-
- # Converting *Relative Log Exposure* values to
- # *Relative Exposure* values.
- cs.to_reference_transforms.append({
- 'type': 'log',
- 'base': 10,
- 'direction': 'inverse'})
-
- # Convert *Relative Exposure* values to *ACES* values.
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': [0.72286, 0.12630, 0.15084, 0,
- 0.11923, 0.76418, 0.11659, 0,
- 0.01427, 0.08213, 0.90359, 0,
- 0.0, 0.0, 0.0, 1.0],
- 'direction': 'forward'})
-
- cs.from_reference_transforms = []
- return cs
-
- ADX10 = create_ADX(bit_depth=10)
- config_data['colorSpaces'].append(ADX10)
-
- ADX16 = create_ADX(bit_depth=16)
- config_data['colorSpaces'].append(ADX16)
+ config_data['linearDisplaySpace'] = aces_reference
+ config_data['logDisplaySpace'] = aces_log_display_space
# -------------------------------------------------------------------------
# *Camera Input Transforms*
# -------------------------------------------------------------------------
- # *RED* colorspaces to *ACES*.
- red_colorspaces = red.create_colorspaces(lut_directory, lut_resolution_1d)
- for cs in red_colorspaces:
+ # *Log-C* to *ACES*.
+ arri_colorSpaces = arri.create_colorspaces(lut_directory,
+ lut_resolution_1d)
+ for cs in arri_colorSpaces:
config_data['colorSpaces'].append(cs)
# *Canon-Log* to *ACES*.
for cs in canon_colorspaces:
config_data['colorSpaces'].append(cs)
+ # *RED* colorspaces to *ACES*.
+ red_colorspaces = red.create_colorspaces(lut_directory,
+ lut_resolution_1d)
+ for cs in red_colorspaces:
+ config_data['colorSpaces'].append(cs)
+
# *S-Log* to *ACES*.
sony_colorSpaces = sony.create_colorspaces(lut_directory,
lut_resolution_1d)
for cs in sony_colorSpaces:
config_data['colorSpaces'].append(cs)
- # *Log-C* to *ACES*.
- arri_colorSpaces = arri.create_colorspaces(lut_directory,
- lut_resolution_1d)
- for cs in arri_colorSpaces:
- config_data['colorSpaces'].append(cs)
-
- # -------------------------------------------------------------------------
- # *Generic Log Transform*
- # -------------------------------------------------------------------------
- def create_generic_log(name='log',
- aliases=[],
- min_value=0.0,
- max_value=1.0,
- input_scale=1.0,
- middle_grey=0.18,
- min_exposure=-6.0,
- max_exposure=6.5,
- lut_resolution_1d=lut_resolution_1d):
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = aliases
- cs.equality_group = name
- cs.family = 'Utility'
- cs.is_data = False
-
- ctls = [os.path.join(
- aces_CTL_directory,
- 'utilities',
- 'ACESlib.OCIO_shaper_log2_to_lin_param.a1.0.0.ctl')]
- lut = '%s_to_aces.spi1d' % name
-
- lut = sanitize_path(lut)
-
- generate_1d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- ctls,
- lut_resolution_1d,
- 'float',
- input_scale,
- 1.0,
- {'middleGrey': middle_grey,
- 'minExposure': min_exposure,
- 'maxExposure': max_exposure},
- cleanup,
- aces_CTL_directory,
- min_value,
- max_value)
-
- cs.to_reference_transforms = []
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'linear',
- 'direction': 'forward'})
-
- cs.from_reference_transforms = []
- return cs
-
- # -------------------------------------------------------------------------
- # *ACES LMTs*
- # -------------------------------------------------------------------------
- def create_ACES_LMT(lmt_name,
- lmt_values,
- shaper_info,
- lut_resolution_1d=1024,
- lut_resolution_3d=64,
- cleanup=True,
- aliases=[]):
- cs = ColorSpace('%s' % lmt_name)
- cs.description = 'The ACES Look Transform: %s' % lmt_name
- cs.aliases = aliases
- cs.equality_group = ''
- cs.family = 'Look'
- cs.is_data = False
-
- pprint.pprint(lmt_values)
-
- # Generating the *shaper* transform.
- (shaper_name,
- shaper_to_ACES_CTL,
- shaper_from_ACES_CTL,
- shaper_input_scale,
- shaper_params) = shaper_info
-
- shaper_lut = '%s_to_aces.spi1d' % shaper_name
- if not os.path.exists(os.path.join(lut_directory, shaper_lut)):
- ctls = [shaper_to_ACES_CTL % aces_CTL_directory]
-
- shaper_lut = sanitize_path(shaper_lut)
-
- generate_1d_LUT_from_CTL(
- os.path.join(lut_directory, shaper_lut),
- ctls,
- lut_resolution_1d,
- 'float',
- 1.0 / shaper_input_scale,
- 1.0,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- shaper_OCIO_transform = {
- 'type': 'lutFile',
- 'path': shaper_lut,
- 'interpolation': 'linear',
- 'direction': 'inverse'}
-
- # Generating the forward transform.
- cs.from_reference_transforms = []
-
- if 'transformCTL' in lmt_values:
- ctls = [shaper_to_ACES_CTL % aces_CTL_directory,
- os.path.join(aces_CTL_directory,
- lmt_values['transformCTL'])]
- lut = '%s.%s.spi3d' % (shaper_name, lmt_name)
-
- lut = sanitize_path(lut)
-
- generate_3d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- ctls,
- lut_resolution_3d,
- 'float',
- 1.0 / shaper_input_scale,
- 1.0,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- cs.from_reference_transforms.append(shaper_OCIO_transform)
- cs.from_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'
- })
-
- # Generating the inverse transform.
- cs.to_reference_transforms = []
-
- if 'transformCTLInverse' in lmt_values:
- ctls = [os.path.join(aces_CTL_directory,
- odt_values['transformCTLInverse']),
- shaper_from_ACES_CTL % aces_CTL_directory]
- lut = 'Inverse.%s.%s.spi3d' % (odt_name, shaper_name)
-
- lut = sanitize_path(lut)
-
- generate_3d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- ctls,
- lut_resolution_3d,
- 'half',
- 1.0,
- shaper_input_scale,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'})
-
- shaper_inverse = shaper_OCIO_transform.copy()
- shaper_inverse['direction'] = 'forward'
- cs.to_reference_transforms.append(shaper_inverse)
-
- return cs
-
# -------------------------------------------------------------------------
- # *LMT Shaper*
+ # General Color Spaces
# -------------------------------------------------------------------------
-
- lmt_lut_resolution_1d = max(4096, lut_resolution_1d)
- lmt_lut_resolution_3d = max(65, lut_resolution_3d)
-
- # Defining the *Log 2* shaper.
- lmt_shaper_name = 'LMT Shaper'
- lmt_shaper_name_aliases = ['crv_lmtshaper']
- lmt_params = {
- 'middleGrey': 0.18,
- 'minExposure': -10.0,
- 'maxExposure': 6.5}
-
- lmt_shaper = create_generic_log(name=lmt_shaper_name,
- middle_grey=lmt_params['middleGrey'],
- min_exposure=lmt_params['minExposure'],
- max_exposure=lmt_params['maxExposure'],
- lut_resolution_1d=lmt_lut_resolution_1d,
- aliases=lmt_shaper_name_aliases)
- config_data['colorSpaces'].append(lmt_shaper)
-
- shaper_input_scale_generic_log2 = 1.0
-
- # *Log 2* shaper name and *CTL* transforms bundled up.
- lmt_shaper_data = [
- lmt_shaper_name,
- os.path.join('%s',
- 'utilities',
- 'ACESlib.OCIO_shaper_log2_to_lin_param.a1.0.0.ctl'),
- os.path.join('%s',
- 'utilities',
- 'ACESlib.OCIO_shaper_lin_to_log2_param.a1.0.0.ctl'),
- shaper_input_scale_generic_log2,
- lmt_params]
-
- sorted_LMTs = sorted(lmt_info.iteritems(), key=lambda x: x[1])
- print(sorted_LMTs)
- for lmt in sorted_LMTs:
- (lmt_name, lmt_values) = lmt
- lmt_aliases = ["look_%s" % compact(lmt_values['transformUserName'])]
- cs = create_ACES_LMT(
- lmt_values['transformUserName'],
- lmt_values,
- lmt_shaper_data,
- lmt_lut_resolution_1d,
- lmt_lut_resolution_3d,
- cleanup,
- lmt_aliases)
+ general_colorSpaces = general.create_colorspaces(lut_directory,
+ lut_resolution_1d,
+ lut_resolution_3d)
+ for cs in general_colorSpaces:
config_data['colorSpaces'].append(cs)
- # -------------------------------------------------------------------------
- # *ACES RRT* with supplied *ODT*.
- # -------------------------------------------------------------------------
- def create_ACES_RRT_plus_ODT(odt_name,
- odt_values,
- shaper_info,
- lut_resolution_1d=1024,
- lut_resolution_3d=64,
- cleanup=True,
- aliases=[]):
- cs = ColorSpace('%s' % odt_name)
- cs.description = '%s - %s Output Transform' % (
- odt_values['transformUserNamePrefix'], odt_name)
- cs.aliases = aliases
- cs.equality_group = ''
- cs.family = 'Output'
- cs.is_data = False
-
- pprint.pprint(odt_values)
-
- # Generating the *shaper* transform.
- (shaper_name,
- shaper_to_ACES_CTL,
- shaper_from_ACES_CTL,
- shaper_input_scale,
- shaper_params) = shaper_info
-
- if 'legalRange' in odt_values:
- shaper_params['legalRange'] = odt_values['legalRange']
- else:
- shaper_params['legalRange'] = 0
-
- shaper_lut = '%s_to_aces.spi1d' % shaper_name
- if not os.path.exists(os.path.join(lut_directory, shaper_lut)):
- ctls = [shaper_to_ACES_CTL % aces_CTL_directory]
-
- shaper_lut = sanitize_path(shaper_lut)
-
- generate_1d_LUT_from_CTL(
- os.path.join(lut_directory, shaper_lut),
- ctls,
- lut_resolution_1d,
- 'float',
- 1.0 / shaper_input_scale,
- 1.0,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- shaper_OCIO_transform = {
- 'type': 'lutFile',
- 'path': shaper_lut,
- 'interpolation': 'linear',
- 'direction': 'inverse'}
-
- # Generating the *forward* transform.
- cs.from_reference_transforms = []
-
- if 'transformLUT' in odt_values:
- transform_LUT_file_name = os.path.basename(
- odt_values['transformLUT'])
- lut = os.path.join(lut_directory, transform_LUT_file_name)
- shutil.copy(odt_values['transformLUT'], lut)
-
- cs.from_reference_transforms.append(shaper_OCIO_transform)
- cs.from_reference_transforms.append({
- 'type': 'lutFile',
- 'path': transform_LUT_file_name,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'})
- elif 'transformCTL' in odt_values:
- ctls = [
- shaper_to_ACES_CTL % aces_CTL_directory,
- os.path.join(aces_CTL_directory,
- 'rrt',
- 'RRT.a1.0.0.ctl'),
- os.path.join(aces_CTL_directory,
- 'odt',
- odt_values['transformCTL'])]
- lut = '%s.RRT.a1.0.0.%s.spi3d' % (shaper_name, odt_name)
-
- lut = sanitize_path(lut)
-
- generate_3d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- # shaperLUT,
- ctls,
- lut_resolution_3d,
- 'float',
- 1.0 / shaper_input_scale,
- 1.0,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- cs.from_reference_transforms.append(shaper_OCIO_transform)
- cs.from_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'})
-
- # Generating the *inverse* transform.
- cs.to_reference_transforms = []
-
- if 'transformLUTInverse' in odt_values:
- transform_LUT_inverse_file_name = os.path.basename(
- odt_values['transformLUTInverse'])
- lut = os.path.join(lut_directory, transform_LUT_inverse_file_name)
- shutil.copy(odt_values['transformLUTInverse'], lut)
-
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': transform_LUT_inverse_file_name,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'})
-
- shaper_inverse = shaper_OCIO_transform.copy()
- shaper_inverse['direction'] = 'forward'
- cs.to_reference_transforms.append(shaper_inverse)
- elif 'transformCTLInverse' in odt_values:
- ctls = [os.path.join(aces_CTL_directory,
- 'odt',
- odt_values['transformCTLInverse']),
- os.path.join(aces_CTL_directory,
- 'rrt',
- 'InvRRT.a1.0.0.ctl'),
- shaper_from_ACES_CTL % aces_CTL_directory]
- lut = 'InvRRT.a1.0.0.%s.%s.spi3d' % (odt_name, shaper_name)
-
- lut = sanitize_path(lut)
-
- generate_3d_LUT_from_CTL(
- os.path.join(lut_directory, lut),
- # None,
- ctls,
- lut_resolution_3d,
- 'half',
- 1.0,
- shaper_input_scale,
- shaper_params,
- cleanup,
- aces_CTL_directory)
-
- cs.to_reference_transforms.append({
- 'type': 'lutFile',
- 'path': lut,
- 'interpolation': 'tetrahedral',
- 'direction': 'forward'})
-
- shaper_inverse = shaper_OCIO_transform.copy()
- shaper_inverse['direction'] = 'forward'
- cs.to_reference_transforms.append(shaper_inverse)
-
- return cs
-
- # -------------------------------------------------------------------------
- # *RRT / ODT* Shaper Options
- # -------------------------------------------------------------------------
- shaper_data = {}
-
- # Defining the *Log 2* shaper.
- log2_shaper_name = shaper_name
- log2_shaper_name_aliases = ["crv_%s" % compact(shaper_name)]
- log2_params = {
- 'middleGrey': 0.18,
- 'minExposure': -6.0,
- 'maxExposure': 6.5}
-
- log2_shaper = create_generic_log(
- name=log2_shaper_name,
- middle_grey=log2_params['middleGrey'],
- min_exposure=log2_params['minExposure'],
- max_exposure=log2_params['maxExposure'],
- aliases=log2_shaper_name_aliases)
- config_data['colorSpaces'].append(log2_shaper)
-
- shaper_input_scale_generic_log2 = 1.0
-
- # *Log 2* shaper name and *CTL* transforms bundled up.
- log2_shaper_data = [
- log2_shaper_name,
- os.path.join('%s',
- 'utilities',
- 'ACESlib.OCIO_shaper_log2_to_lin_param.a1.0.0.ctl'),
- os.path.join('%s',
- 'utilities',
- 'ACESlib.OCIO_shaper_lin_to_log2_param.a1.0.0.ctl'),
- shaper_input_scale_generic_log2,
- log2_params]
-
- shaper_data[log2_shaper_name] = log2_shaper_data
-
- # Shaper that also includes the AP1 primaries.
- # Needed for some LUT baking steps.
- log2_shaper_api1_name_aliases = ["%s_ap1" % compact(shaper_name)]
- log2_shaper_AP1 = create_generic_log(
- name=log2_shaper_name,
- middle_grey=log2_params['middleGrey'],
- min_exposure=log2_params['minExposure'],
- max_exposure=log2_params['maxExposure'],
- aliases=log2_shaper_api1_name_aliases)
- log2_shaper_AP1.name = '%s - AP1' % log2_shaper_AP1.name
-
- # *AP1* primaries to *AP0* primaries.
- log2_shaper_AP1.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(ACES_AP1_to_AP0),
- 'direction': 'forward'
- })
- config_data['colorSpaces'].append(log2_shaper_AP1)
-
- rrt_shaper = log2_shaper_data
-
- # *RRT + ODT* combinations.
- sorted_odts = sorted(odt_info.iteritems(), key=lambda x: x[1])
- print(sorted_odts)
- for odt in sorted_odts:
- (odt_name, odt_values) = odt
-
- # Handling *ODTs* that can generate either *legal* or *full* output.
- if odt_name in ['Academy.Rec2020_100nits_dim.a1.0.0',
- 'Academy.Rec709_100nits_dim.a1.0.0',
- 'Academy.Rec709_D60sim_100nits_dim.a1.0.0']:
- odt_name_legal = '%s - Legal' % odt_values['transformUserName']
- else:
- odt_name_legal = odt_values['transformUserName']
-
- odt_legal = odt_values.copy()
- odt_legal['legalRange'] = 1
-
- odt_aliases = ["out_%s" % compact(odt_name_legal)]
-
- cs = create_ACES_RRT_plus_ODT(
- odt_name_legal,
- odt_legal,
- rrt_shaper,
- lut_resolution_1d,
- lut_resolution_3d,
- cleanup,
- odt_aliases)
- config_data['colorSpaces'].append(cs)
-
- config_data['displays'][odt_name_legal] = {
- 'Linear': ACES,
- 'Log': ACEScc,
- 'Output Transform': cs}
-
- if odt_name in ['Academy.Rec2020_100nits_dim.a1.0.0',
- 'Academy.Rec709_100nits_dim.a1.0.0',
- 'Academy.Rec709_D60sim_100nits_dim.a1.0.0']:
- print('Generating full range ODT for %s' % odt_name)
-
- odt_name_full = '%s - Full' % odt_values['transformUserName']
- odt_full = odt_values.copy()
- odt_full['legalRange'] = 0
-
- odt_full_aliases = ["out_%s" % compact(odt_name_full)]
-
- cs_full = create_ACES_RRT_plus_ODT(
- odt_name_full,
- odt_full,
- rrt_shaper,
- lut_resolution_1d,
- lut_resolution_3d,
- cleanup,
- odt_full_aliases)
- config_data['colorSpaces'].append(cs_full)
-
- config_data['displays'][odt_name_full] = {
- 'Linear': ACES,
- 'Log': ACEScc,
- 'Output Transform': cs_full}
-
- # -------------------------------------------------------------------------
- # Generic Matrix transform
- # -------------------------------------------------------------------------
- def create_generic_matrix(name='matrix',
- from_reference_values=None,
- to_reference_values=None,
- aliases=[]):
-
- if from_reference_values is None:
- from_reference_values = []
- if to_reference_values is None:
- to_reference_values = []
-
- cs = ColorSpace(name)
- cs.description = 'The %s color space' % name
- cs.aliases = []
- cs.equality_group = name
- cs.family = 'Utility'
- cs.is_data = False
-
- cs.to_reference_transforms = []
- if to_reference_values:
- for matrix in to_reference_values:
- cs.to_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(matrix),
- 'direction': 'forward'})
-
- cs.from_reference_transforms = []
- if from_reference_values:
- for matrix in from_reference_values:
- cs.from_reference_transforms.append({
- 'type': 'matrix',
- 'matrix': mat44_from_mat33(matrix),
- 'direction': 'forward'})
-
- return cs
-
- cs = create_generic_matrix('XYZ',
- from_reference_values=[ACES_AP0_to_XYZ],
- aliases=["lin_xyz"])
- config_data['colorSpaces'].append(cs)
-
- cs = create_generic_matrix(
- 'Linear - AP1',
- to_reference_values=[ACES_AP1_to_AP0],
- aliases=["lin_ap1"])
- config_data['colorSpaces'].append(cs)
-
- # *ACES* to *Linear*, *P3D60* primaries.
- XYZ_to_P3D60 = [2.4027414142, -0.8974841639, -0.3880533700,
- -0.8325796487, 1.7692317536, 0.0237127115,
- 0.0388233815, -0.0824996856, 1.0363685997]
-
- cs = create_generic_matrix(
- 'Linear - P3-D60',
- from_reference_values=[ACES_AP0_to_XYZ, XYZ_to_P3D60],
- aliases=["lin_p3d60"])
- config_data['colorSpaces'].append(cs)
-
- # *ACES* to *Linear*, *P3DCI* primaries.
- XYZ_to_P3DCI = [2.7253940305, -1.0180030062, -0.4401631952,
- -0.7951680258, 1.6897320548, 0.0226471906,
- 0.0412418914, -0.0876390192, 1.1009293786]
-
- cs = create_generic_matrix(
- 'Linear - P3-DCI',
- from_reference_values=[ACES_AP0_to_XYZ, XYZ_to_P3DCI],
- aliases=["lin_p3dci"])
- config_data['colorSpaces'].append(cs)
-
- # *ACES* to *Linear*, *Rec. 709* primaries.
- XYZ_to_Rec709 = [3.2409699419, -1.5373831776, -0.4986107603,
- -0.9692436363, 1.8759675015, 0.0415550574,
- 0.0556300797, -0.2039769589, 1.0569715142]
-
- cs = create_generic_matrix(
- 'Linear - Rec.709',
- from_reference_values=[ACES_AP0_to_XYZ, XYZ_to_Rec709],
- aliases=["lin_rec709"])
- config_data['colorSpaces'].append(cs)
-
- # *ACES* to *Linear*, *Rec. 2020* primaries.
- XYZ_to_Rec2020 = [1.7166511880, -0.3556707838, -0.2533662814,
- -0.6666843518, 1.6164812366, 0.0157685458,
- 0.0176398574, -0.0427706133, 0.9421031212]
-
- cs = create_generic_matrix(
- 'Linear - Rec.2020',
- from_reference_values=[ACES_AP0_to_XYZ, XYZ_to_Rec2020],
- aliases=["lin_rec2020"])
- config_data['colorSpaces'].append(cs)
-
print('generateLUTs - end')
return config_data
Return value description.
"""
- dirs = [config_directory, os.path.join(config_directory, 'luts')]
+ lut_directory = os.path.join(config_directory, 'luts')
+ dirs = [config_directory, lut_directory]
if bake_secondary_LUTs:
dirs.extend([os.path.join(config_directory, 'baked'),
os.path.join(config_directory, 'baked', 'flame'),
for d in dirs:
not os.path.exists(d) and os.mkdir(d)
+ return lut_directory
def get_transform_info(ctl_transform):
"""
Return value description.
"""
+ lut_directory = create_config_dir(config_directory, bake_secondary_LUTs)
+
odt_info = get_ODT_info(aces_CTL_directory)
lmt_info = get_LMT_info(aces_CTL_directory)
- create_config_dir(config_directory, bake_secondary_LUTs)
-
- lut_directory = os.path.join(config_directory, 'luts')
shaper_name = 'Output Shaper'
config_data = generate_LUTs(odt_info,
lmt_info,
projects / OpenColorIO-Configs.git / commitdiff