Add CIE-XYZ-D65 - Scene-referred colourspace.

opencolorio_config_aces/clf/transforms/ocio/generate.py

@@ -12,13 +12,16 @@
 
 from pathlib import Path
 
+import numpy as np
+
 from opencolorio_config_aces.clf.transforms import (
     clf_basename,
     format_clf_transform_id,
     gamma_transform,
     generate_clf_transform,
     matrix_RGB_to_RGB_transform,
 )
+from opencolorio_config_aces.utilities import required
 
 __author__ = "OpenColorIO Contributors"
 __copyright__ = "Copyright Contributors to the OpenColorIO Project."
@@ -50,9 +53,12 @@
 """
 
 
+@required("Colour")
 def generate_clf_transforms_ocio(output_directory):
     """Generate OCIO Utility CLF transforms."""
 
+    import colour
+
     output_directory.mkdir(parents=True, exist_ok=True)
 
     clf_transforms = {}
@@ -95,6 +101,26 @@ def generate_clf_transforms_ocio(output_directory):
         style=style,
     )
 
+    name = "AP0_to_CIE-XYZ-D65-Scene-referred"
+    clf_transform_id = format_clf_transform_id(FAMILY, GENUS, name, VERSION)
+    filename = output_directory / clf_basename(clf_transform_id)
+    colour.RGB_COLOURSPACES["CIE-XYZ-D65"] = colour.RGB_Colourspace(
+        "CIE-XYZ-D65",
+        colour.XYZ_to_xy(np.identity(3)),
+        colour.CCS_ILLUMINANTS["CIE 1931 2 Degree Standard Observer"]["D65"],
+        "D65",
+        use_derived_matrix_RGB_to_XYZ=True,
+        use_derived_matrix_XYZ_to_RGB=True,
+    )
+    clf_transforms[filename] = generate_clf_transform(
+        filename,
+        [matrix_RGB_to_RGB_transform("ACES2065-1", "CIE-XYZ-D65")],
+        clf_transform_id,
+        "AP0 to CIE-XYZ-D65",
+        "ACES2065-1",
+        "CIE XYZ, D65 white point",
+    )
+
     name = "AP0_to_Linear_P3-D65"
     clf_transform_id = format_clf_transform_id(FAMILY, GENUS, name, VERSION)
     filename = output_directory / clf_basename(clf_transform_id)

opencolorio_config_aces/clf/transforms/ocio/utility/OCIO.Utility.AP0_to_CIE-XYZ-D65-Scene-referred.clf

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ProcessList compCLFversion="3" id="urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_CIE-XYZ-D65-Scene-referred:1.0" name="AP0 to CIE-XYZ-D65">
+    <InputDescriptor>ACES2065-1</InputDescriptor>
+    <OutputDescriptor>CIE XYZ, D65 white point</OutputDescriptor>
+    <Matrix inBitDepth="32f" outBitDepth="32f">
+        <Array dim="3 3">
+  0.987189224215598 -0.00468348472103211   0.0174942605054339
+   0.337368890787837    0.729521566690265  -0.0668904574781025
+ 0.00107795096161498 -0.00340726320478726     1.00232931224317
+        </Array>
+    </Matrix>
+</ProcessList>

opencolorio_config_aces/config/cg/generate/resources/OpenColorIO-Config-ACES CG and Studio Transforms - v2 - CG Config - Mapping.csv

@@ -13,6 +13,7 @@ Ordering,Colorspace,Legacy,ACEStransformID,CLFtransformID,Interface,BuiltinTrans
 410,Utility - Linear - P3-D65,TRUE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Linear_P3-D65:1.0,ColorSpace,,"lin_p3d65,lin_displayp3,Linear Display P3",scene-linear,"file-io,working-space,texture"
 410,Utility - Linear - Rec.2020,TRUE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Linear_Rec2020:1.0,ColorSpace,,lin_rec2020,scene-linear,"file-io,texture"
 410,Utility - Linear - Rec.709,TRUE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Linear_Rec709:1.0,ColorSpace,,"lin_rec709,lin_srgb,Utility - Linear - sRGB",scene-linear,"file-io,working-space,texture"
+420,CIE-XYZ-D65 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_CIE-XYZ-D65-Scene-referred:1.0,ColorSpace,,,,file-io
 420,Gamma 2.2 AP1 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Gamma2.2_AP1-Scene-referred:1.0,ColorSpace,,"g22_ap1,Gamma 2.2 AP1 - Texture,g22_ap1_tx",sdr-video,"file-io,texture"
 420,Gamma 2.4 Rec.709 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Gamma2.4_Rec709-Scene-referred:1.0,ColorSpace,,"g24_rec709,rec709_display,Utility - Rec.709 - Display,Gamma 2.4 Rec.709 - Texture,g24_rec709_tx",sdr-video,"file-io,texture"
 420,sRGB Encoded AP1 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_sRGB_Encoded_AP1-Scene-referred:1.0,ColorSpace,,"srgb_ap1,sRGB Encoded AP1 - Texture,srgb_encoded_ap1_tx",sdr-video,"file-io,texture"

opencolorio_config_aces/config/generation/beautifiers.py

@@ -72,6 +72,7 @@
     "\\b(\\d+)nits\\b": "(\\1 nits)",
     "RGBmonitor": "sRGB",
     "\\bP3 D": "P3-D",
+    "CIE XYZ D65": "CIE-XYZ-D65",
     "Gamma1": "Gamma 1",
     "Gamma2": "Gamma 2",
     "Rec1886": "Rec.1886",

opencolorio_config_aces/config/studio/generate/resources/OpenColorIO-Config-ACES CG and Studio Transforms - v2 - Studio Config - Mapping.csv

@@ -71,6 +71,7 @@ Ordering,Colorspace,Legacy,ACEStransformID,CLFtransformID,Interface,BuiltinTrans
 410,Utility - Linear - Rec.709,TRUE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Linear_Rec709:1.0,ColorSpace,,"lin_rec709,lin_srgb,Utility - Linear - sRGB",scene-linear,"file-io,working-space,texture"
 410,Utility - Linear - RIMM ROMM (ProPhoto),TRUE,,,ColorSpace,,"lin_prophoto,lin_rimm",scene-linear,file-io
 420,AdobeRGB - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_AdobeRGB-Scene-referred:1.0,ColorSpace,,adobergb,sdr-video,"file-io,texture"
+420,CIE-XYZ-D65 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_CIE-XYZ-D65-Scene-referred:1.0,ColorSpace,,,,file-io
 420,Gamma 2.2 AP1 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Gamma2.2_AP1-Scene-referred:1.0,ColorSpace,,"g22_ap1,Gamma 2.2 AP1 - Texture,g22_ap1_tx",sdr-video,"file-io,texture"
 420,Gamma 2.4 Rec.709 - Scene-referred,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Gamma2.4_Rec709-Scene-referred:1.0,ColorSpace,,"g24_rec709,rec709_display,Utility - Rec.709 - Display,Gamma 2.4 Rec.709 - Texture,g24_rec709_tx",sdr-video,"file-io,texture"
 420,Linear AdobeRGB,FALSE,,urn:aswf:ocio:transformId:1.0:OCIO:Utility:AP0_to_Linear_AdobeRGB:1.0,ColorSpace,,lin_adobergb,scene-linear,file-io