Implements support for general colorspaces conversions and transfer functions.
"""
-import array
-import math
-import os
+from __future__ import division
+
+import PyOpenColorIO as ocio
-import aces_ocio.generate_lut as genlut
import aces_ocio.create_aces_colorspaces as aces
-from aces_ocio.utilities import ColorSpace, mat44_from_mat33, sanitize_path, compact
+from aces_ocio.utilities import ColorSpace, mat44_from_mat33
__author__ = 'ACES Developers'
'create_colorspaces']
# -------------------------------------------------------------------------
-# Generic Matrix transform
+# *Simple Matrix Transform*
# -------------------------------------------------------------------------
def create_generic_matrix(name='matrix',
from_reference_values=None,
to_reference_values=None,
aliases=[]):
+ """
+ Object description.
+
+ Parameters
+ ----------
+ parameter : type
+ Parameter description.
+
+ Returns
+ -------
+ type
+ Return value description.
+ """
if from_reference_values is None:
- from_reference_values = []
+ from_reference_values = []
+
if to_reference_values is None:
- to_reference_values = []
+ to_reference_values = []
cs = ColorSpace(name)
cs.description = 'The %s color space' % name
cs.family = 'Utility'
cs.is_data = False
+ # A linear space needs allocation variables
+ cs.allocation_type = ocio.Constants.ALLOCATION_LG2
+ cs.allocation_vars = [-8, 5, 0.00390625]
+
cs.to_reference_transforms = []
if to_reference_values:
for matrix in to_reference_values:
return cs
-def create_colorspaces(lut_directory,
- lut_resolution_1d,
+def create_colorspaces(lut_directory,
+ lut_resolution_1d,
lut_resolution_3d):
-
"""
Generates the colorspace conversions.
colorspaces = []
- cs = create_generic_matrix('XYZ',
- from_reference_values=[aces.ACES_AP0_to_XYZ],
- aliases=["lin_xyz"])
+ cs = create_generic_matrix('XYZ',
+ to_reference_values=[aces.ACES_XYZ_TO_AP0],
+ from_reference_values=[aces.ACES_AP0_TO_XYZ],
+ aliases=["lin_xyz"])
colorspaces.append(cs)
cs = create_generic_matrix(
- 'Linear - AP1',
- to_reference_values=[aces.ACES_AP1_to_AP0],
+ 'Linear - AP1',
+ to_reference_values=[aces.ACES_AP1_TO_AP0],
+ from_reference_values=[aces.ACES_AP0_TO_AP1],
aliases=["lin_ap1"])
colorspaces.append(cs)
cs = create_generic_matrix(
'Linear - P3-D60',
- from_reference_values=[aces.ACES_AP0_to_XYZ, XYZ_to_P3D60],
+ from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_P3D60],
aliases=["lin_p3d60"])
colorspaces.append(cs)
cs = create_generic_matrix(
'Linear - P3-DCI',
- from_reference_values=[aces.ACES_AP0_to_XYZ, XYZ_to_P3DCI],
+ from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_P3DCI],
aliases=["lin_p3dci"])
colorspaces.append(cs)
cs = create_generic_matrix(
'Linear - Rec.709',
- from_reference_values=[aces.ACES_AP0_to_XYZ, XYZ_to_Rec709],
+ from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_Rec709],
aliases=["lin_rec709"])
colorspaces.append(cs)
cs = create_generic_matrix(
'Linear - Rec.2020',
- from_reference_values=[aces.ACES_AP0_to_XYZ, XYZ_to_Rec2020],
+ from_reference_values=[aces.ACES_AP0_TO_XYZ, XYZ_to_Rec2020],
aliases=["lin_rec2020"])
colorspaces.append(cs)
# *ACES* to *Linear*, *Pro Photo* primaries.
- AP0_to_RIMM = [ 1.2412367771, -0.1685692287, -0.0726675484,
- 0.0061203066, 1.083151174, -0.0892714806,
- -0.0032853314, 0.0099796402, 0.9933056912]
+ AP0_to_RIMM = [1.2412367771, -0.1685692287, -0.0726675484,
+ 0.0061203066, 1.083151174, -0.0892714806,
+ -0.0032853314, 0.0099796402, 0.9933056912]
cs = create_generic_matrix(
- 'Linear - ProPhoto',
+ 'Linear - RIMM ROMM (ProPhoto)',
from_reference_values=[AP0_to_RIMM],
aliases=["lin_prophoto", "lin_rimm"])
colorspaces.append(cs)
# *ACES* to *Linear*, *Adobe RGB* primaries.
- AP0_to_ADOBERGB = [ 1.7245603168, -0.4199935942, -0.3045667227,
- -0.2764799142, 1.3727190877, -0.0962391734,
- -0.0261255258, -0.0901747807, 1.1163003065]
+ AP0_to_ADOBERGB = [1.7245603168, -0.4199935942, -0.3045667227,
+ -0.2764799142, 1.3727190877, -0.0962391734,
+ -0.0261255258, -0.0901747807, 1.1163003065]
cs = create_generic_matrix(
'Linear - Adobe RGB',
aliases=["lin_adobergb"])
colorspaces.append(cs)
+
# *ACES* to *Linear*, *Adobe Wide Gamut RGB* primaries.
- AP0_to_ADOBERGB = [ 1.3809814778, -0.1158594573, -0.2651220205,
- 0.0057015535, 1.0402949043, -0.0459964578,
- -0.0038908746, -0.0597091815, 1.0636000561]
+ AP0_to_ADOBERGB = [1.3809814778, -0.1158594573, -0.2651220205,
+ 0.0057015535, 1.0402949043, -0.0459964578,
+ -0.0038908746, -0.0597091815, 1.0636000561]
cs = create_generic_matrix(
'Linear - Adobe Wide Gamut RGB',
colorspaces.append(cs)
return colorspaces
+
+def create_raw():
+ # *Raw* utility space
+ name = "Raw"
+ raw = ColorSpace(name)
+ raw.description = 'The %s color space' % name
+ raw.aliases = []
+ raw.equality_group = name
+ raw.family = 'Utility'
+ raw.is_data = True
+
+ return raw
+
+