def test(self):
plane = GafferScene.Plane()
offset = GafferScene.MapOffset()
offset["in"].setInput(plane["out"])
self.assertSceneValid(offset["out"])
self.assertScenesEqual(offset["out"], plane["out"])
inputObject = plane["out"].object("/plane")
self.assertEqual(offset["out"].object("/plane"), inputObject)
offset["udim"].setValue(1022)
self.assertSceneValid(offset["out"])
for i, s in enumerate(offset["out"].object("/plane")["s"].data):
self.assertEqual(s, inputObject["s"].data[i] + 1)
for i, t in enumerate(offset["out"].object("/plane")["t"].data):
self.assertEqual(t, inputObject["t"].data[i] + 2)
offset["offset"].setValue(IECore.V2f(0.5, 1.5))
self.assertSceneValid(offset["out"])
for i, s in enumerate(offset["out"].object("/plane")["s"].data):
self.assertEqual(s, inputObject["s"].data[i] + 1.5)
for i, t in enumerate(offset["out"].object("/plane")["t"].data):
self.assertEqual(t, inputObject["t"].data[i] + 3.5)
def test(self):
plane = GafferScene.Plane()
offset = GafferScene.MapOffset()
offset["in"].setInput(plane["out"])
self.assertSceneValid(offset["out"])
self.assertScenesEqual(offset["out"], plane["out"])
inputObject = plane["out"].object("/plane")
self.assertEqual(offset["out"].object("/plane"), inputObject)
offset["udim"].setValue(1022)
self.assertSceneValid(offset["out"])
for i, uv in enumerate(offset["out"].object("/plane")["uv"].data):
self.assertEqual(
uv, IECore.V2f(inputObject["uv"].data[i] + IECore.V2f(1, 2)))
offset["offset"].setValue(IECore.V2f(0.5, 1.5))
self.assertSceneValid(offset["out"])
for i, uv in enumerate(offset["out"].object("/plane")["uv"].data):
self.assertEqual(
uv,
IECore.V2f(inputObject["uv"].data[i] + IECore.V2f(1.5, 3.5)))
def testManyImages(self):
allFilter = GafferScene.PathFilter()
allFilter["paths"].setValue(IECore.StringVectorData(['/...']))
sphere = GafferScene.Sphere()
sphere["transform"]["translate"].setValue(imath.V3f(-3, 0, 0))
standardSurface = GafferArnold.ArnoldShader()
standardSurface.loadShader("standard_surface")
shaderAssignment = GafferScene.ShaderAssignment()
shaderAssignment["in"].setInput(sphere["out"])
shaderAssignment["filter"].setInput(allFilter["out"])
shaderAssignment["shader"].setInput(standardSurface["out"])
uvScaleCode = GafferOSL.OSLCode()
uvScaleCode["out"].addChild(
Gaffer.V3fPlug("uvScaled", direction=Gaffer.Plug.Direction.Out))
uvScaleCode["code"].setValue('uvScaled = vector( u * 2, v * 2, 0 );')
outUV = GafferOSL.OSLShader()
outUV.loadShader("ObjectProcessing/OutUV")
outUV["parameters"]["value"].setInput(uvScaleCode["out"]["uvScaled"])
outObject2 = GafferOSL.OSLShader()
outObject2.loadShader("ObjectProcessing/OutObject")
outObject2["parameters"]["in0"].setInput(
outUV["out"]["primitiveVariable"])
uvScaleOSL = GafferOSL.OSLObject()
uvScaleOSL["in"].setInput(shaderAssignment["out"])
uvScaleOSL["filter"].setInput(allFilter["out"])
uvScaleOSL["shader"].setInput(outObject2["out"])
uvScaleOSL["interpolation"].setValue(5)
mapOffset = GafferScene.MapOffset()
mapOffset["in"].setInput(uvScaleOSL["out"])
mapOffset["filter"].setInput(allFilter["out"])
mapOffset["udim"].setValue(1033)
offsetGroup = GafferScene.Group()
offsetGroup["in"]["in0"].setInput(mapOffset["out"])
offsetGroup["name"].setValue('offset')
offsetGroup["transform"]["translate"].setValue(imath.V3f(6, 0, 3))
combineGroup = GafferScene.Group()
combineGroup["in"]["in0"].setInput(uvScaleOSL["out"])
combineGroup["in"]["in1"].setInput(offsetGroup["out"])
lights = []
for color, rotate in [((1, 0, 0), (0, 0, 0)), ((0, 1, 0), (0, 90, 0)),
((0, 0, 1), (-90, 0, 0))]:
light = GafferArnold.ArnoldLight()
light.loadShader("distant_light")
light["parameters"]["color"].setValue(imath.Color3f(*color))
light["transform"]["rotate"].setValue(imath.V3f(*rotate))
combineGroup["in"][-1].setInput(light["out"])
lights.append(light)
arnoldTextureBake = GafferArnold.ArnoldTextureBake()
arnoldTextureBake["in"].setInput(combineGroup["out"])
arnoldTextureBake["filter"].setInput(allFilter["out"])
arnoldTextureBake["bakeDirectory"].setValue(self.temporaryDirectory() +
'/bakeSpheres/')
arnoldTextureBake["defaultResolution"].setValue(32)
arnoldTextureBake["aovs"].setValue('beauty:RGBA diffuse:diffuse')
arnoldTextureBake["tasks"].setValue(3)
arnoldTextureBake["cleanupIntermediateFiles"].setValue(True)
# Dispatch the bake
script = Gaffer.ScriptNode()
script.addChild(arnoldTextureBake)
dispatcher = GafferDispatch.LocalDispatcher()
dispatcher["jobsDirectory"].setValue(self.temporaryDirectory())
dispatcher.dispatch([arnoldTextureBake])
# Test that we are writing all expected files, and that we have cleaned up all temp files
expectedUdims = [i + j for j in [1001, 1033] for i in [0, 1, 10, 11]]
self.assertEqual(
sorted(os.listdir(self.temporaryDirectory() + '/bakeSpheres/')),
["beauty", "diffuse"])
self.assertEqual(
sorted(
os.listdir(self.temporaryDirectory() + '/bakeSpheres/beauty')),
["beauty.%i.tx" % i for i in expectedUdims])
self.assertEqual(
sorted(
os.listdir(self.temporaryDirectory() +
'/bakeSpheres/diffuse')),
["diffuse.%i.tx" % i for i in expectedUdims])
# Read back in the 4 udim tiles of a sphere
reader = GafferImage.ImageReader()
imageTransform = GafferImage.ImageTransform()
imageTransform["in"].setInput(reader["out"])
exprBox = Gaffer.Box()
expression = Gaffer.Expression()
exprBox.addChild(reader)
exprBox.addChild(imageTransform)
exprBox.addChild(expression)
expression.setExpression(
inspect.cleandoc(
"""
i = context.get( "loop:index", 0 )
layer = context.get( "collect:layerName", "beauty" )
x = i % 2
y = i / 2
parent["ImageReader"]["fileName"] = '""" + self.temporaryDirectory() +
"""/bakeSpheres/%s/%s.%i.tx' % ( layer, layer, 1001 + x + y * 10 )
parent["ImageTransform"]["transform"]["translate"] = imath.V2f( 32 * x, 32 * y )
"""), "python")
udimLoop = Gaffer.Loop()
udimLoop.setup(GafferImage.ImagePlug())
udimLoop["iterations"].setValue(4)
udimMerge = GafferImage.Merge()
udimMerge["in"]["in0"].setInput(imageTransform["out"])
udimMerge["in"]["in1"].setInput(udimLoop["previous"])
udimLoop["next"].setInput(udimMerge["out"])
aovCollect = GafferImage.CollectImages()
aovCollect["in"].setInput(udimLoop["out"])
aovCollect["rootLayers"].setValue(
IECore.StringVectorData(['beauty', 'diffuse']))
# We have a little reference image for how the diffuse should look
imageReaderRef = GafferImage.ImageReader()
imageReaderRef["fileName"].setValue(
os.path.dirname(__file__) + "/images/sphereLightBake.exr")
resizeRef = GafferImage.Resize()
resizeRef["in"].setInput(imageReaderRef["out"])
resizeRef["format"].setValue(GafferImage.Format(64, 64, 1.000))
shuffleRef = GafferImage.Shuffle()
shuffleRef["in"].setInput(resizeRef["out"])
for layer in ["beauty", "diffuse"]:
for channel in ["R", "G", "B"]:
shuffleRef["channels"].addChild(
GafferImage.Shuffle.ChannelPlug())
shuffleRef["channels"][-1]["in"].setValue(channel)
shuffleRef["channels"][-1]["out"].setValue(layer + "." +
channel)
differenceMerge = GafferImage.Merge()
differenceMerge["in"]["in0"].setInput(aovCollect["out"])
differenceMerge["in"]["in1"].setInput(shuffleRef["out"])
differenceMerge["operation"].setValue(
GafferImage.Merge.Operation.Difference)
stats = GafferImage.ImageStats()
stats["in"].setInput(differenceMerge["out"])
stats["area"].setValue(imath.Box2i(imath.V2i(0, 0), imath.V2i(64, 64)))
# We should get a very close match to our single tile low res reference bake
stats["channels"].setValue(
IECore.StringVectorData(
['diffuse.R', 'diffuse.G', 'diffuse.B', 'diffuse.A']))
for i in range(3):
self.assertLess(stats["average"].getValue()[i], 0.002)
self.assertLess(stats["max"].getValue()[i], 0.02)
# The beauty should be mostly a close match, but with a high max difference due to the spec pings
stats["channels"].setValue(
IECore.StringVectorData(
['beauty.R', 'beauty.G', 'beauty.B', 'beauty.A']))
for i in range(3):
self.assertLess(stats["average"].getValue()[i], 0.1)
self.assertGreater(stats["max"].getValue()[i], 0.3)
def testTasks(self):
allFilter = GafferScene.PathFilter()
allFilter["paths"].setValue(IECore.StringVectorData(['/...']))
sphere = GafferScene.Sphere()
sphere["transform"]["translate"].setValue(imath.V3f(-3, 0, 0))
uvScaleCode = GafferOSL.OSLCode()
uvScaleCode["out"].addChild(
Gaffer.V3fPlug("uvScaled", direction=Gaffer.Plug.Direction.Out))
uvScaleCode["code"].setValue('uvScaled = vector( u * 2, v * 2, 0 );')
outUV = GafferOSL.OSLShader()
outUV.loadShader("ObjectProcessing/OutUV")
outUV["parameters"]["value"].setInput(uvScaleCode["out"]["uvScaled"])
outObject2 = GafferOSL.OSLShader()
outObject2.loadShader("ObjectProcessing/OutObject")
outObject2["parameters"]["in0"].setInput(
outUV["out"]["primitiveVariable"])
uvScaleOSL = GafferOSL.OSLObject()
uvScaleOSL["in"].setInput(sphere["out"])
uvScaleOSL["filter"].setInput(allFilter["out"])
uvScaleOSL["shader"].setInput(outObject2["out"])
uvScaleOSL["interpolation"].setValue(5)
mapOffset = GafferScene.MapOffset()
mapOffset["in"].setInput(uvScaleOSL["out"])
mapOffset["filter"].setInput(allFilter["out"])
mapOffset["udim"].setValue(1033)
offsetGroup = GafferScene.Group()
offsetGroup["in"]["in0"].setInput(mapOffset["out"])
offsetGroup["name"].setValue('offset')
offsetGroup["transform"]["translate"].setValue(imath.V3f(6, 0, 3))
combineGroup = GafferScene.Group()
combineGroup["in"]["in0"].setInput(uvScaleOSL["out"])
combineGroup["in"]["in1"].setInput(offsetGroup["out"])
arnoldTextureBake = GafferArnold.ArnoldTextureBake()
arnoldTextureBake["in"].setInput(combineGroup["out"])
arnoldTextureBake["filter"].setInput(allFilter["out"])
arnoldTextureBake["bakeDirectory"].setValue(self.temporaryDirectory() +
'/bakeSpheres/')
arnoldTextureBake["defaultResolution"].setValue(1)
arnoldTextureBake["aovs"].setValue('beauty:RGBA diffuse:diffuse')
arnoldTextureBake["tasks"].setValue(3)
arnoldTextureBake["cleanupIntermediateFiles"].setValue(False)
# Dispatch the bake
script = Gaffer.ScriptNode()
script.addChild(arnoldTextureBake)
dispatcher = GafferDispatch.LocalDispatcher()
dispatcher["jobsDirectory"].setValue(self.temporaryDirectory())
dispatcher.dispatch([arnoldTextureBake])
self.assertEqual(
sorted(os.listdir(self.temporaryDirectory() + '/bakeSpheres/')), [
"BAKE_FILE_INDEX_0.0001.txt", "BAKE_FILE_INDEX_1.0001.txt",
"BAKE_FILE_INDEX_2.0001.txt", "beauty", "diffuse"
])
# Make sure the 16 images that need writing get divided into very approximate thirds
for i in range(3):
l = len(
open(self.temporaryDirectory() +
'/bakeSpheres/BAKE_FILE_INDEX_%i.0001.txt' %
i).readlines())
self.assertGreater(l, 2)
self.assertLess(l, 8)
