def create_ACES_RRT_plus_ODT(odt_name,
odt_values,
shaper_info,
aces_ctl_directory,
lut_directory,
lut_resolution_3d=64,
cleanup=True,
aliases=None):
"""
Object description.
Parameters
----------
parameter : type
Parameter description.
Returns
-------
type
Return value description.
"""
if aliases is None:
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
cs.aces_transform_id = odt_values['transformID']
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_linear.spi1d' % shaper_name
shaper_lut = sanitize(shaper_lut)
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
'float',
1 / shaper_input_scale,
1,
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
'half',
1,
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
def create_ACES_RRT_plus_ODT(
odt_name,
odt_values,
shaper_info,
aces_ctl_directory,
lut_directory,
lut_resolution_1d=1024,
lut_resolution_3d=64,
cleanup=True,
aliases=None,
):
"""
Object description.
Parameters
----------
parameter : type
Parameter description.
Returns
-------
type
Return value description.
"""
if aliases is None:
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
cs.aces_transform_id = odt_values["transformID"]
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
# Add the shaper transform
shaper_lut = "%s_to_linear.spi1d" % shaper_name
shaper_lut = sanitize(shaper_lut)
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
# shaperLUT,
ctls,
lut_resolution_3d,
"float",
1 / shaper_input_scale,
1,
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
# None,
ctls,
lut_resolution_3d,
"half",
1,
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
def create_ACES_LMT(lmt_name,
lmt_values,
shaper_info,
aces_ctl_directory,
lut_directory,
lut_resolution_3d=64,
cleanup=True,
aliases=None):
"""
Creates the *ACES LMT* colorspace.
Parameters
----------
parameter : type
Parameter description.
Returns
-------
Colorspace
*ACES LMT* colorspace.
"""
if aliases is None:
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
cs.allocation_type = ocio.Constants.ALLOCATION_LG2
cs.allocation_vars = [-8, 5, 0.00390625]
cs.aces_transform_id = lmt_values['transformID']
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_linear.spi1d' % shaper_name
shaper_lut = sanitize(shaper_lut)
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
'float',
1 / shaper_input_scale,
1,
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,
lmt_values['transformCTLInverse']),
shaper_from_aces_ctl % aces_ctl_directory]
lut = 'Inverse.%s.%s.spi3d' % (lmt_name, shaper_name)
lut = sanitize(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
'half',
1,
shaper_input_scale,
shaper_params,
cleanup,
aces_ctl_directory,
0)
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
def create_ACES_LMT(
lmt_name,
lmt_values,
shaper_info,
aces_ctl_directory,
lut_directory,
lut_resolution_1d=1024,
lut_resolution_3d=64,
cleanup=True,
aliases=None,
):
"""
Creates the *ACES LMT* colorspace.
Parameters
----------
parameter : type
Parameter description.
Returns
-------
Colorspace
*ACES LMT* colorspace.
"""
if aliases is None:
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
cs.allocation_type = ocio.Constants.ALLOCATION_LG2
cs.allocation_vars = [-8, 5, 0.00390625]
cs.aces_transform_id = lmt_values["transformID"]
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
# Add the shaper transform
shaper_lut = "%s_to_linear.spi1d" % shaper_name
shaper_lut = sanitize(shaper_lut)
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(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
"float",
1 / shaper_input_scale,
1,
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, lmt_values["transformCTLInverse"]),
shaper_from_ACES_CTL % aces_ctl_directory,
]
lut = "Inverse.%s.%s.spi3d" % (odt_name, shaper_name)
lut = sanitize(lut)
generate_3d_LUT_from_CTL(
os.path.join(lut_directory, lut),
ctls,
lut_resolution_3d,
"half",
1,
shaper_input_scale,
shaper_params,
cleanup,
aces_ctl_directory,
0,
1,
1,
)
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
