import PyOpenColorIO as OCIO
import process
+import generateLUT as genlut
#
# Utility functions
if reference: config.setRole( OCIO.Constants.ROLE_REFERENCE, reference )
if scene_linear: config.setRole( OCIO.Constants.ROLE_SCENE_LINEAR, scene_linear )
if texture_paint: config.setRole( OCIO.Constants.ROLE_TEXTURE_PAINT, texture_paint )
-
-
# Write config to disk
def writeConfig( config, configPath, sanityCheck=True ):
fileHandle.write( config.serialize() )
fileHandle.close()
-#
-# Functions used to generate LUTs using CTL transforms
-#
-def generate1dLUTImage(ramp1dPath, resolution=1024, minValue=0.0, maxValue=1.0):
- #print( "Generate 1d LUT image - %s" % ramp1dPath)
-
- # open image
- format = os.path.splitext(ramp1dPath)[1]
- ramp = oiio.ImageOutput.create(ramp1dPath)
-
- # set image specs
- spec = oiio.ImageSpec()
- spec.set_format( oiio.FLOAT )
- #spec.format.basetype = oiio.FLOAT
- spec.width = resolution
- spec.height = 1
- spec.nchannels = 3
-
- ramp.open (ramp1dPath, spec, oiio.Create)
-
- data = array.array("f", "\0" * spec.width * spec.height * spec.nchannels * 4)
- for i in range(resolution):
- value = float(i)/(resolution-1) * (maxValue - minValue) + minValue
- data[i*spec.nchannels +0] = value
- data[i*spec.nchannels +1] = value
- data[i*spec.nchannels +2] = value
-
- ramp.write_image(spec.format, data)
- ramp.close()
-
-# Credit to Alex Fry for the original single channel version of the spi1d writer
-def WriteSPI1D(filename, fromMin, fromMax, data, entries, channels):
- f = file(filename,'w')
- f.write("Version 1\n")
- f.write("From %f %f\n" % (fromMin, fromMax))
- f.write("Length %d\n" % entries)
- f.write("Components %d\n" % (min(3, channels)) )
- f.write("{\n")
- for i in range(0, entries):
- entry = ""
- for j in range(0, min(3, channels)):
- entry = "%s %s" % (entry, data[i*channels + j])
- f.write(" %s\n" % entry)
- f.write("}\n")
- f.close()
-
-def generate1dLUTFromImage(ramp1dPath, outputPath=None, minValue=0.0, maxValue=1.0):
- if outputPath == None:
- outputPath = ramp1dPath + ".spi1d"
-
- # open image
- ramp = oiio.ImageInput.open( ramp1dPath )
-
- # get image specs
- spec = ramp.spec()
- type = spec.format.basetype
- width = spec.width
- height = spec.height
- channels = spec.nchannels
-
- # get data
- # Force data to be read as float. The Python API doesn't handle half-floats well yet.
- type = oiio.FLOAT
- data = ramp.read_image(type)
-
- WriteSPI1D(outputPath, minValue, maxValue, data, width, channels)
-
-def generate3dLUTImage(ramp3dPath, resolution=32):
- args = ["--generate", "--cubesize", str(resolution), "--maxwidth", str(resolution*resolution), "--output", ramp3dPath]
- lutExtract = process.Process(description="generate a 3d LUT image", cmd="ociolutimage", args=args)
- lutExtract.execute()
-
-def generate3dLUTFromImage(ramp3dPath, outputPath=None, resolution=32):
- if outputPath == None:
- outputPath = ramp3dPath + ".spi3d"
-
- args = ["--extract", "--cubesize", str(resolution), "--maxwidth", str(resolution*resolution), "--input", ramp3dPath, "--output", outputPath]
- lutExtract = process.Process(description="extract a 3d LUT", cmd="ociolutimage", args=args)
- lutExtract.execute()
-
-def applyCTLToImage(inputImage,
- outputImage,
- ctlPaths=[],
- inputScale=1.0,
- outputScale=1.0,
- globalParams={},
- acesCTLReleaseDir=None):
- if len(ctlPaths) > 0:
- ctlenv = os.environ
- if acesCTLReleaseDir != None:
- ctlModulePath = "%s/utilities" % acesCTLReleaseDir
- ctlenv['CTL_MODULE_PATH'] = ctlModulePath
-
- args = []
- for ctl in ctlPaths:
- args += ['-ctl', ctl]
- args += ["-force"]
- #args += ["-verbose"]
- args += ["-input_scale", str(inputScale)]
- args += ["-output_scale", str(outputScale)]
- args += ["-global_param1", "aIn", "1.0"]
- for key, value in globalParams.iteritems():
- args += ["-global_param1", key, str(value)]
- args += [inputImage]
- args += [outputImage]
-
- #print( "args : %s" % args )
-
- ctlp = process.Process(description="a ctlrender process", cmd="ctlrender", args=args, env=ctlenv )
-
- ctlp.execute()
-
-def convertBitDepth(inputImage, outputImage, depth):
- args = [inputImage, "-d", depth, "-o", outputImage]
- convert = process.Process(description="convert image bit depth", cmd="oiiotool", args=args)
- convert.execute()
-
-def generate1dLUTFromCTL(lutPath,
- ctlPaths,
- lutResolution=1024,
- identityLutBitDepth='half',
- inputScale=1.0,
- outputScale=1.0,
- globalParams={},
- cleanup=True,
- acesCTLReleaseDir=None,
- minValue=0.0,
- maxValue=1.0):
- #print( lutPath )
- #print( ctlPaths )
-
- lutPathBase = os.path.splitext(lutPath)[0]
-
- identityLUTImageFloat = lutPathBase + ".float.tiff"
- generate1dLUTImage(identityLUTImageFloat, lutResolution, minValue, maxValue)
-
- if identityLutBitDepth != 'half':
- identityLUTImage = lutPathBase + ".uint16.tiff"
- convertBitDepth(identityLUTImageFloat, identityLUTImage, identityLutBitDepth)
- else:
- identityLUTImage = identityLUTImageFloat
-
- transformedLUTImage = lutPathBase + ".transformed.exr"
- applyCTLToImage(identityLUTImage, transformedLUTImage, ctlPaths, inputScale, outputScale, globalParams, acesCTLReleaseDir)
-
- generate1dLUTFromImage(transformedLUTImage, lutPath, minValue, maxValue)
-
- if cleanup:
- os.remove(identityLUTImage)
- if identityLUTImage != identityLUTImageFloat:
- os.remove(identityLUTImageFloat)
- os.remove(transformedLUTImage)
-
-def correctLUTImage(transformedLUTImage, correctedLUTImage, lutResolution):
- # open image
- transformed = oiio.ImageInput.open( transformedLUTImage )
-
- # get image specs
- transformedSpec = transformed.spec()
- type = transformedSpec.format.basetype
- width = transformedSpec.width
- height = transformedSpec.height
- channels = transformedSpec.nchannels
-
- # rotate or not
- if width != lutResolution * lutResolution or height != lutResolution:
- print( "Correcting image as resolution is off. Found %d x %d. Expected %d x %d" % (width, height, lutResolution * lutResolution, lutResolution) )
- print( "Generating %s" % correctedLUTImage)
-
- #
- # We're going to generate a new correct image
- #
-
- # Get the source data
- # Force data to be read as float. The Python API doesn't handle half-floats well yet.
- type = oiio.FLOAT
- sourceData = transformed.read_image(type)
-
- format = os.path.splitext(correctedLUTImage)[1]
- correct = oiio.ImageOutput.create(correctedLUTImage)
-
- # set image specs
- correctSpec = oiio.ImageSpec()
- correctSpec.set_format( oiio.FLOAT )
- correctSpec.width = height
- correctSpec.height = width
- correctSpec.nchannels = channels
-
- correct.open (correctedLUTImage, correctSpec, oiio.Create)
-
- destData = array.array("f", "\0" * correctSpec.width * correctSpec.height * correctSpec.nchannels * 4)
- for j in range(0, correctSpec.height):
- for i in range(0, correctSpec.width):
- for c in range(0, correctSpec.nchannels):
- #print( i, j, c )
- destData[correctSpec.nchannels*correctSpec.width*j + correctSpec.nchannels*i + c] = sourceData[correctSpec.nchannels*correctSpec.width*j + correctSpec.nchannels*i + c]
-
- correct.write_image(correctSpec.format, destData)
- correct.close()
- else:
- #shutil.copy(transformedLUTImage, correctedLUTImage)
- correctedLUTImage = transformedLUTImage
-
- transformed.close()
-
- return correctedLUTImage
-
-def generate3dLUTFromCTL(lutPath,
- ctlPaths,
- lutResolution=64,
- identityLutBitDepth='half',
- inputScale=1.0,
- outputScale=1.0,
- globalParams={},
- cleanup=True,
- acesCTLReleaseDir=None):
- #print( lutPath )
- #print( ctlPaths )
-
- lutPathBase = os.path.splitext(lutPath)[0]
-
- identityLUTImageFloat = lutPathBase + ".float.tiff"
- generate3dLUTImage(identityLUTImageFloat, lutResolution)
-
-
- if identityLutBitDepth != 'half':
- identityLUTImage = lutPathBase + "." + identityLutBitDepth + ".tiff"
- convertBitDepth(identityLUTImageFloat, identityLUTImage, identityLutBitDepth)
- else:
- identityLUTImage = identityLUTImageFloat
-
- transformedLUTImage = lutPathBase + ".transformed.exr"
- applyCTLToImage(identityLUTImage, transformedLUTImage, ctlPaths, inputScale, outputScale, globalParams, acesCTLReleaseDir)
-
- correctedLUTImage = lutPathBase + ".correct.exr"
- correctedLUTImage = correctLUTImage(transformedLUTImage, correctedLUTImage, lutResolution)
-
- generate3dLUTFromImage(correctedLUTImage, lutPath, lutResolution)
-
- if cleanup:
- os.remove(identityLUTImage)
- if identityLUTImage != identityLUTImageFloat:
- os.remove(identityLUTImageFloat)
- os.remove(transformedLUTImage)
- if correctedLUTImage != transformedLUTImage:
- os.remove(correctedLUTImage)
- #os.remove(correctedLUTImage)
-
def generateOCIOTransform(transforms):
#print( "Generating transforms")
'%s/ACEScg/ACEScsc.ACES_to_ACEScg.a1.0.0.ctl' % acesCTLReleaseDir
]
lut = "%s_to_ACES.spi1d" % name
- generate1dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate1dLUTFromCTL( lutDir + "/" + lut,
ctls,
lutResolution1d,
'float',
'%s/ACEScg/ACEScsc.ACES_to_ACEScg.a1.0.0.ctl' % acesCTLReleaseDir
]
lut = "%s_to_aces.spi1d" % name
- generate1dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate1dLUTFromCTL( lutDir + "/" + lut,
ctls,
lutResolution1d,
'uint16',
data.append(cid_to_rle(x))
lut = 'ADX_CID_to_RLE.spi1d'
- WriteSPI1D(lutDir + "/" + lut, RANGE[0], RANGE[1], data, NUM_SAMPLES, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, RANGE[0], RANGE[1], data, NUM_SAMPLES, 1)
return lut
data[c] = cineonToLinear(1023.0*c/(lutResolution1d-1))
lut = "CineonLog_to_linear.spi1d"
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
cs.toReferenceTransforms.append( {
'type':'lutFile',
data[c] = canonLogToLinear(1023.0*c/(lutResolution1d-1))
lut = "%s_to_linear.spi1d" % transferFunction
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
cs.toReferenceTransforms.append( {
'type':'lutFile',
data[c] = sLog1ToLinear(1023.0*c/(lutResolution1d-1))
lut = "%s_to_linear.spi1d" % transferFunction
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
#print( "Writing %s" % lut)
data[c] = sLog2ToLinear(1023.0*c/(lutResolution1d-1))
lut = "%s_to_linear.spi1d" % transferFunction
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
#print( "Writing %s" % lut)
data[c] = sLog3ToLinear(1023.0*c/(lutResolution1d-1))
lut = "%s_to_linear.spi1d" % transferFunction
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
#print( "Writing %s" % lut)
data[c] = logCtoLinear(1023.0*c/(lutResolution1d-1), int(exposureIndex))
lut = "%s_to_linear.spi1d" % ("%s_%s" % (transferFunction, exposureIndex))
- WriteSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
+ genlut.writeSPI1D(lutDir + "/" + lut, 0.0, 1.0, data, lutResolution1d, 1)
#print( "Writing %s" % lut)
cs.toReferenceTransforms.append( {
]
lut = "%s_to_aces.spi1d" % name
- generate1dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate1dLUTFromCTL( lutDir + "/" + lut,
ctls,
lutResolution1d,
'float',
ctls = [
shaperToACESCTL % acesCTLReleaseDir
]
- generate1dLUTFromCTL( lutDir + "/" + shaperLut,
+ genlut.generate1dLUTFromCTL( lutDir + "/" + shaperLut,
ctls,
lutResolution1d,
'float',
]
lut = "%s.%s.spi3d" % (shaperName, lmtName)
- generate3dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate3dLUTFromCTL( lutDir + "/" + lut,
ctls,
lutResolution3d,
'float',
]
lut = "Inverse.%s.%s.spi3d" % (odtName, shaperName)
- generate3dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate3dLUTFromCTL( lutDir + "/" + lut,
ctls,
lutResolution3d,
'half',
ctls = [
shaperToACESCTL % acesCTLReleaseDir
]
- generate1dLUTFromCTL( lutDir + "/" + shaperLut,
+ genlut.generate1dLUTFromCTL( lutDir + "/" + shaperLut,
ctls,
lutResolution1d,
'float',
]
lut = "%s.RRT.a1.0.0.%s.spi3d" % (shaperName, odtName)
- generate3dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate3dLUTFromCTL( lutDir + "/" + lut,
#shaperLUT,
ctls,
lutResolution3d,
]
lut = "InvRRT.a1.0.0.%s.%s.spi3d" % (odtName, shaperName)
- generate3dLUTFromCTL( lutDir + "/" + lut,
+ genlut.generate3dLUTFromCTL( lutDir + "/" + lut,
#None,
ctls,
lutResolution3d,
--- /dev/null
+'''
+build instructions for osx for needed packages.
+
+#opencolorio
+brew install -vd opencolorio --with-python
+
+#openimageio
+brew tap homebrew/science
+
+# optional installs
+brew install -vd libRaw
+brew install -vd OpenCV
+
+brew install -vd openimageio --with-python
+
+#ctl
+brew install -vd CTL
+
+#opencolorio - again.
+# this time, 'ociolutimage' will build because openimageio is installed
+brew uninstall -vd opencolorio
+brew install -vd opencolorio --with-python
+'''
+
+import sys
+import os
+import array
+
+import OpenImageIO as oiio
+
+import process
+
+#
+# Functions used to generate LUTs using CTL transforms
+#
+def generate1dLUTImage(ramp1dPath, resolution=1024, minValue=0.0, maxValue=1.0):
+ #print( "Generate 1d LUT image - %s" % ramp1dPath)
+
+ # open image
+ format = os.path.splitext(ramp1dPath)[1]
+ ramp = oiio.ImageOutput.create(ramp1dPath)
+
+ # set image specs
+ spec = oiio.ImageSpec()
+ spec.set_format( oiio.FLOAT )
+ #spec.format.basetype = oiio.FLOAT
+ spec.width = resolution
+ spec.height = 1
+ spec.nchannels = 3
+
+ ramp.open (ramp1dPath, spec, oiio.Create)
+
+ data = array.array("f", "\0" * spec.width * spec.height * spec.nchannels * 4)
+ for i in range(resolution):
+ value = float(i)/(resolution-1) * (maxValue - minValue) + minValue
+ data[i*spec.nchannels +0] = value
+ data[i*spec.nchannels +1] = value
+ data[i*spec.nchannels +2] = value
+
+ ramp.write_image(spec.format, data)
+ ramp.close()
+
+# Credit to Alex Fry for the original single channel version of the spi1d writer
+def writeSPI1D(filename, fromMin, fromMax, data, entries, channels):
+ f = file(filename,'w')
+ f.write("Version 1\n")
+ f.write("From %f %f\n" % (fromMin, fromMax))
+ f.write("Length %d\n" % entries)
+ f.write("Components %d\n" % (min(3, channels)) )
+ f.write("{\n")
+ for i in range(0, entries):
+ entry = ""
+ for j in range(0, min(3, channels)):
+ entry = "%s %s" % (entry, data[i*channels + j])
+ f.write(" %s\n" % entry)
+ f.write("}\n")
+ f.close()
+
+def generate1dLUTFromImage(ramp1dPath, outputPath=None, minValue=0.0, maxValue=1.0):
+ if outputPath == None:
+ outputPath = ramp1dPath + ".spi1d"
+
+ # open image
+ ramp = oiio.ImageInput.open( ramp1dPath )
+
+ # get image specs
+ spec = ramp.spec()
+ type = spec.format.basetype
+ width = spec.width
+ height = spec.height
+ channels = spec.nchannels
+
+ # get data
+ # Force data to be read as float. The Python API doesn't handle half-floats well yet.
+ type = oiio.FLOAT
+ data = ramp.read_image(type)
+
+ writeSPI1D(outputPath, minValue, maxValue, data, width, channels)
+
+def generate3dLUTImage(ramp3dPath, resolution=32):
+ args = ["--generate", "--cubesize", str(resolution), "--maxwidth", str(resolution*resolution), "--output", ramp3dPath]
+ lutExtract = process.Process(description="generate a 3d LUT image", cmd="ociolutimage", args=args)
+ lutExtract.execute()
+
+def generate3dLUTFromImage(ramp3dPath, outputPath=None, resolution=32):
+ if outputPath == None:
+ outputPath = ramp3dPath + ".spi3d"
+
+ args = ["--extract", "--cubesize", str(resolution), "--maxwidth", str(resolution*resolution), "--input", ramp3dPath, "--output", outputPath]
+ lutExtract = process.Process(description="extract a 3d LUT", cmd="ociolutimage", args=args)
+ lutExtract.execute()
+
+def applyCTLToImage(inputImage,
+ outputImage,
+ ctlPaths=[],
+ inputScale=1.0,
+ outputScale=1.0,
+ globalParams={},
+ acesCTLReleaseDir=None):
+ if len(ctlPaths) > 0:
+ ctlenv = os.environ
+ if acesCTLReleaseDir != None:
+ if os.path.split(acesCTLReleaseDir)[1] != "utilities":
+ ctlModulePath = "%s/utilities" % acesCTLReleaseDir
+ else:
+ ctlModulePath = acesCTLReleaseDir
+ ctlenv['CTL_MODULE_PATH'] = ctlModulePath
+
+ args = []
+ for ctl in ctlPaths:
+ args += ['-ctl', ctl]
+ args += ["-force"]
+ #args += ["-verbose"]
+ args += ["-input_scale", str(inputScale)]
+ args += ["-output_scale", str(outputScale)]
+ args += ["-global_param1", "aIn", "1.0"]
+ for key, value in globalParams.iteritems():
+ args += ["-global_param1", key, str(value)]
+ args += [inputImage]
+ args += [outputImage]
+
+ #print( "args : %s" % args )
+
+ ctlp = process.Process(description="a ctlrender process", cmd="ctlrender", args=args, env=ctlenv )
+
+ ctlp.execute()
+
+def convertBitDepth(inputImage, outputImage, depth):
+ args = [inputImage, "-d", depth, "-o", outputImage]
+ convert = process.Process(description="convert image bit depth", cmd="oiiotool", args=args)
+ convert.execute()
+
+def generate1dLUTFromCTL(lutPath,
+ ctlPaths,
+ lutResolution=1024,
+ identityLutBitDepth='half',
+ inputScale=1.0,
+ outputScale=1.0,
+ globalParams={},
+ cleanup=True,
+ acesCTLReleaseDir=None,
+ minValue=0.0,
+ maxValue=1.0):
+ #print( lutPath )
+ #print( ctlPaths )
+
+ lutPathBase = os.path.splitext(lutPath)[0]
+
+ identityLUTImageFloat = lutPathBase + ".float.tiff"
+ generate1dLUTImage(identityLUTImageFloat, lutResolution, minValue, maxValue)
+
+ if identityLutBitDepth != 'half':
+ identityLUTImage = lutPathBase + ".uint16.tiff"
+ convertBitDepth(identityLUTImageFloat, identityLUTImage, identityLutBitDepth)
+ else:
+ identityLUTImage = identityLUTImageFloat
+
+ transformedLUTImage = lutPathBase + ".transformed.exr"
+ applyCTLToImage(identityLUTImage, transformedLUTImage, ctlPaths, inputScale, outputScale, globalParams, acesCTLReleaseDir)
+
+ generate1dLUTFromImage(transformedLUTImage, lutPath, minValue, maxValue)
+
+ if cleanup:
+ os.remove(identityLUTImage)
+ if identityLUTImage != identityLUTImageFloat:
+ os.remove(identityLUTImageFloat)
+ os.remove(transformedLUTImage)
+
+def correctLUTImage(transformedLUTImage, correctedLUTImage, lutResolution):
+ # open image
+ transformed = oiio.ImageInput.open( transformedLUTImage )
+
+ # get image specs
+ transformedSpec = transformed.spec()
+ type = transformedSpec.format.basetype
+ width = transformedSpec.width
+ height = transformedSpec.height
+ channels = transformedSpec.nchannels
+
+ # rotate or not
+ if width != lutResolution * lutResolution or height != lutResolution:
+ print( "Correcting image as resolution is off. Found %d x %d. Expected %d x %d" % (width, height, lutResolution * lutResolution, lutResolution) )
+ print( "Generating %s" % correctedLUTImage)
+
+ #
+ # We're going to generate a new correct image
+ #
+
+ # Get the source data
+ # Force data to be read as float. The Python API doesn't handle half-floats well yet.
+ type = oiio.FLOAT
+ sourceData = transformed.read_image(type)
+
+ format = os.path.splitext(correctedLUTImage)[1]
+ correct = oiio.ImageOutput.create(correctedLUTImage)
+
+ # set image specs
+ correctSpec = oiio.ImageSpec()
+ correctSpec.set_format( oiio.FLOAT )
+ correctSpec.width = height
+ correctSpec.height = width
+ correctSpec.nchannels = channels
+
+ correct.open (correctedLUTImage, correctSpec, oiio.Create)
+
+ destData = array.array("f", "\0" * correctSpec.width * correctSpec.height * correctSpec.nchannels * 4)
+ for j in range(0, correctSpec.height):
+ for i in range(0, correctSpec.width):
+ for c in range(0, correctSpec.nchannels):
+ #print( i, j, c )
+ destData[correctSpec.nchannels*correctSpec.width*j + correctSpec.nchannels*i + c] = sourceData[correctSpec.nchannels*correctSpec.width*j + correctSpec.nchannels*i + c]
+
+ correct.write_image(correctSpec.format, destData)
+ correct.close()
+ else:
+ #shutil.copy(transformedLUTImage, correctedLUTImage)
+ correctedLUTImage = transformedLUTImage
+
+ transformed.close()
+
+ return correctedLUTImage
+
+def generate3dLUTFromCTL(lutPath,
+ ctlPaths,
+ lutResolution=64,
+ identityLutBitDepth='half',
+ inputScale=1.0,
+ outputScale=1.0,
+ globalParams={},
+ cleanup=True,
+ acesCTLReleaseDir=None):
+ #print( lutPath )
+ #print( ctlPaths )
+
+ lutPathBase = os.path.splitext(lutPath)[0]
+
+ identityLUTImageFloat = lutPathBase + ".float.tiff"
+ generate3dLUTImage(identityLUTImageFloat, lutResolution)
+
+
+ if identityLutBitDepth != 'half':
+ identityLUTImage = lutPathBase + "." + identityLutBitDepth + ".tiff"
+ convertBitDepth(identityLUTImageFloat, identityLUTImage, identityLutBitDepth)
+ else:
+ identityLUTImage = identityLUTImageFloat
+
+ transformedLUTImage = lutPathBase + ".transformed.exr"
+ applyCTLToImage(identityLUTImage, transformedLUTImage, ctlPaths, inputScale, outputScale, globalParams, acesCTLReleaseDir)
+
+ correctedLUTImage = lutPathBase + ".correct.exr"
+ correctedLUTImage = correctLUTImage(transformedLUTImage, correctedLUTImage, lutResolution)
+
+ generate3dLUTFromImage(correctedLUTImage, lutPath, lutResolution)
+
+ if cleanup:
+ os.remove(identityLUTImage)
+ if identityLUTImage != identityLUTImageFloat:
+ os.remove(identityLUTImageFloat)
+ os.remove(transformedLUTImage)
+ if correctedLUTImage != transformedLUTImage:
+ os.remove(correctedLUTImage)
+ #os.remove(correctedLUTImage)
+
+def main():
+ import optparse
+
+ p = optparse.OptionParser(description='A utility to generate LUTs from CTL',
+ prog='generateLUT',
+ version='0.01',
+ usage='%prog [options]')
+
+ p.add_option('--lut', '-l', type="string", default="")
+ p.add_option('--ctl', '-c', type="string", action="append")
+ p.add_option('--lutResolution1d', '', type="int", default=1024)
+ p.add_option('--lutResolution3d', '', type="int", default=33)
+ p.add_option('--ctlReleasePath', '-r', type="string", default="")
+ p.add_option('--bitDepth', '-b', type="string", default="float")
+ p.add_option('--keepTempImages', '', action="store_true")
+ p.add_option('--minValue', '', type="float", default=0.0)
+ p.add_option('--maxValue', '', type="float", default=1.0)
+ p.add_option('--inputScale', '', type="float", default=1.0)
+ p.add_option('--outputScale', '', type="float", default=1.0)
+ p.add_option('--ctlRenderParam', '-p', type="string", nargs=2, action="append")
+
+ p.add_option('--generate1d', '', action="store_true")
+ p.add_option('--generate3d', '', action="store_true")
+
+ options, arguments = p.parse_args()
+
+ #
+ # Get options
+ #
+ lut = options.lut
+ ctls = options.ctl
+ lutResolution1d = options.lutResolution1d
+ lutResolution3d = options.lutResolution3d
+ minValue = options.minValue
+ maxValue = options.maxValue
+ inputScale = options.inputScale
+ outputScale = options.outputScale
+ ctlReleasePath = options.ctlReleasePath
+ generate1d = options.generate1d == True
+ generate3d = options.generate3d == True
+ bitDepth = options.bitDepth
+ cleanup = not options.keepTempImages
+
+ params = {}
+ if options.ctlRenderParam != None:
+ for param in options.ctlRenderParam:
+ params[param[0]] = float(param[1])
+
+ try:
+ argsStart = sys.argv.index('--') + 1
+ args = sys.argv[argsStart:]
+ except:
+ argsStart = len(sys.argv)+1
+ args = []
+
+ #print( "command line : \n%s\n" % " ".join(sys.argv) )
+
+ #
+ # Generate LUTs
+ #
+ if generate1d:
+ print( "1D LUT generation options")
+ else:
+ print( "3D LUT generation options")
+
+ print( "lut : %s" % lut )
+ print( "ctls : %s" % ctls )
+ print( "lut res 1d : %s" % lutResolution1d )
+ print( "lut res 3d : %s" % lutResolution3d )
+ print( "min value : %s" % minValue )
+ print( "max value : %s" % maxValue )
+ print( "input scale : %s" % inputScale )
+ print( "output scale : %s" % outputScale )
+ print( "ctl render params : %s" % params )
+ print( "ctl release path : %s" % ctlReleasePath )
+ print( "bit depth of input : %s" % bitDepth )
+ print( "cleanup temp images : %s" % cleanup)
+
+ if generate1d:
+ generate1dLUTFromCTL( lut,
+ ctls,
+ lutResolution1d,
+ bitDepth,
+ inputScale,
+ outputScale,
+ params,
+ cleanup,
+ ctlReleasePath,
+ minValue,
+ maxValue)
+
+ elif generate3d:
+ generate3dLUTFromCTL( lut,
+ ctls,
+ lutResolution3d,
+ bitDepth,
+ inputScale,
+ outputScale,
+ params,
+ cleanup,
+ ctlReleasePath)
+ else:
+ print( "\n\nNo LUT generated. You must choose either 1D or 3D LUT generation\n\n")
+# main
+
+if __name__ == '__main__':
+ main()
+
projects / OpenColorIO-Configs.git / commitdiff