def testTransformMotion( self ) : s = Gaffer.ScriptNode() s["plane"] = GafferScene.Plane() s["sphere"] = GafferScene.Sphere() s["group"] = GafferScene.Group() s["group"]["in"][0].setInput( s["plane"]["out"] ) s["group"]["in"][1].setInput( s["sphere"]["out"] ) s["expression"] = Gaffer.Expression() s["expression"].setExpression( inspect.cleandoc( """ parent["plane"]["transform"]["translate"]["x"] = context.getFrame() parent["sphere"]["transform"]["translate"]["y"] = context.getFrame() * 2 parent["group"]["transform"]["translate"]["z"] = context.getFrame() - 1 """ ) ) s["planeFilter"] = GafferScene.PathFilter() s["planeFilter"]["paths"].setValue( IECore.StringVectorData( [ "/group/plane" ] ) ) s["attributes"] = GafferScene.StandardAttributes() s["attributes"]["in"].setInput( s["group"]["out"] ) s["attributes"]["filter"].setInput( s["planeFilter"]["out"] ) s["attributes"]["attributes"]["transformBlur"]["enabled"].setValue( True ) s["attributes"]["attributes"]["transformBlur"]["value"].setValue( False ) s["options"] = GafferScene.StandardOptions() s["options"]["in"].setInput( s["attributes"]["out"] ) s["options"]["options"]["shutter"]["enabled"].setValue( True ) s["options"]["options"]["transformBlur"]["enabled"].setValue( True ) s["render"] = GafferArnold.ArnoldRender() s["render"]["in"].setInput( s["options"]["out"] ) s["render"]["mode"].setValue( s["render"].Mode.SceneDescriptionMode ) s["render"]["fileName"].setValue( self.temporaryDirectory() + "/test.ass" ) # No motion blur s["options"]["options"]["transformBlur"]["value"].setValue( False ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) camera = arnold.AiNodeLookUpByName( "gaffer:defaultCamera" ) sphere = arnold.AiNodeLookUpByName( "/group/sphere" ) sphereMotionStart = arnold.AiNodeGetFlt( sphere, "motion_start" ) sphereMotionEnd = arnold.AiNodeGetFlt( sphere, "motion_end" ) sphereMatrix = arnold.AiNodeGetMatrix( sphere, "matrix" ) plane = arnold.AiNodeLookUpByName( "/group/plane" ) planeMotionStart = arnold.AiNodeGetFlt( plane, "motion_start" ) planeMotionEnd = arnold.AiNodeGetFlt( plane, "motion_end" ) planeMatrix = arnold.AiNodeGetMatrix( plane, "matrix" ) # Motion parameters should be left at default self.assertEqual( sphereMotionStart, 0 ) self.assertEqual( sphereMotionEnd, 1 ) self.assertEqual( planeMotionStart, 0 ) self.assertEqual( planeMotionEnd, 1 ) expectedSphereMatrix = arnold.AiM4Translation( arnold.AtVector( 0, 2, 0 ) ) expectedPlaneMatrix = arnold.AiM4Translation( arnold.AtVector( 1, 0, 0 ) ) self.assertEqual( self.__m44f( sphereMatrix ), self.__m44f( expectedSphereMatrix ) ) self.assertEqual( self.__m44f( planeMatrix ), self.__m44f( expectedPlaneMatrix ) ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_start" ), 1 ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_end" ), 1 ) # Motion blur s["options"]["options"]["transformBlur"]["value"].setValue( True ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) camera = arnold.AiNodeLookUpByName( "gaffer:defaultCamera" ) sphere = arnold.AiNodeLookUpByName( "/group/sphere" ) sphereMotionStart = arnold.AiNodeGetFlt( sphere, "motion_start" ) sphereMotionEnd = arnold.AiNodeGetFlt( sphere, "motion_end" ) sphereMatrices = arnold.AiNodeGetArray( sphere, "matrix" ) plane = arnold.AiNodeLookUpByName( "/group/plane" ) planeMotionStart = arnold.AiNodeGetFlt( plane, "motion_start" ) planeMotionEnd = arnold.AiNodeGetFlt( plane, "motion_end" ) planeMatrices = arnold.AiNodeGetArray( plane, "matrix" ) self.assertEqual( sphereMotionStart, 0.75 ) self.assertEqual( sphereMotionEnd, 1.25 ) self.assertEqual( arnold.AiArrayGetNumElements( sphereMatrices.contents ), 1 ) self.assertEqual( arnold.AiArrayGetNumKeys( sphereMatrices.contents ), 2 ) self.assertEqual( planeMotionStart, 0.75 ) self.assertEqual( planeMotionEnd, 1.25 ) self.assertEqual( arnold.AiArrayGetNumElements( planeMatrices.contents ), 1 ) self.assertEqual( arnold.AiArrayGetNumKeys( planeMatrices.contents ), 2 ) for i in range( 0, 2 ) : frame = 0.75 + 0.5 * i sphereMatrix = arnold.AiArrayGetMtx( sphereMatrices, i ) expectedSphereMatrix = arnold.AiM4Translation( arnold.AtVector( 0, frame * 2, frame - 1 ) ) planeMatrix = arnold.AiArrayGetMtx( planeMatrices, i ) expectedPlaneMatrix = arnold.AiM4Translation( arnold.AtVector( 1, 0, frame - 1 ) ) self.assertEqual( self.__m44f( sphereMatrix ), self.__m44f( expectedSphereMatrix ) ) self.assertEqual( self.__m44f( planeMatrix ), self.__m44f( expectedPlaneMatrix ) ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_start" ), 0.75 ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_end" ), 1.25 ) # Motion blur on, but sampleMotion off s["options"]["options"]["sampleMotion"]["enabled"].setValue( True ) s["options"]["options"]["sampleMotion"]["value"].setValue( False ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) camera = arnold.AiNodeLookUpByName( "gaffer:defaultCamera" ) sphere = arnold.AiNodeLookUpByName( "/group/sphere" ) sphereMotionStart = arnold.AiNodeGetFlt( sphere, "motion_start" ) sphereMotionEnd = arnold.AiNodeGetFlt( sphere, "motion_end" ) sphereMatrices = arnold.AiNodeGetArray( sphere, "matrix" ) plane = arnold.AiNodeLookUpByName( "/group/plane" ) planeMotionStart = arnold.AiNodeGetFlt( plane, "motion_start" ) planeMotionEnd = arnold.AiNodeGetFlt( plane, "motion_end" ) planeMatrices = arnold.AiNodeGetArray( plane, "matrix" ) self.assertEqual( sphereMotionStart, 0.75 ) self.assertEqual( sphereMotionEnd, 1.25 ) self.assertEqual( arnold.AiArrayGetNumElements( sphereMatrices.contents ), 1 ) self.assertEqual( arnold.AiArrayGetNumKeys( sphereMatrices.contents ), 2 ) self.assertEqual( planeMotionStart, 0.75 ) self.assertEqual( planeMotionEnd, 1.25 ) self.assertEqual( arnold.AiArrayGetNumElements( planeMatrices.contents ), 1 ) self.assertEqual( arnold.AiArrayGetNumKeys( planeMatrices.contents ), 2 ) for i in range( 0, 2 ) : frame = 0.75 + 0.5 * i sphereMatrix = arnold.AiArrayGetMtx( sphereMatrices, i ) expectedSphereMatrix = arnold.AiM4Translation( arnold.AtVector( 0, frame * 2, frame - 1 ) ) planeMatrix = arnold.AiArrayGetMtx( planeMatrices, i ) expectedPlaneMatrix = arnold.AiM4Translation( arnold.AtVector( 1, 0, frame - 1 ) ) self.assertEqual( self.__m44f( sphereMatrix ), self.__m44f( expectedSphereMatrix ) ) self.assertEqual( self.__m44f( planeMatrix ), self.__m44f( expectedPlaneMatrix ) ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_start" ), 0.75 ) self.assertEqual( arnold.AiNodeGetFlt( camera, "shutter_end" ), 0.75 )
def testTransformMotion(self):
s = Gaffer.ScriptNode()
s["plane"] = GafferScene.Plane()
s["sphere"] = GafferScene.Sphere()
s["group"] = GafferScene.Group()
s["group"]["in"][0].setInput(s["plane"]["out"])
s["group"]["in"][1].setInput(s["sphere"]["out"])
s["expression"] = Gaffer.Expression()
s["expression"].setExpression(
inspect.cleandoc("""
parent["plane"]["transform"]["translate"]["x"] = context.getFrame()
parent["sphere"]["transform"]["translate"]["y"] = context.getFrame() * 2
parent["group"]["transform"]["translate"]["z"] = context.getFrame() - 1
"""))
s["planeFilter"] = GafferScene.PathFilter()
s["planeFilter"]["paths"].setValue(
IECore.StringVectorData(["/group/plane"]))
s["attributes"] = GafferScene.StandardAttributes()
s["attributes"]["in"].setInput(s["group"]["out"])
s["attributes"]["filter"].setInput(s["planeFilter"]["out"])
s["attributes"]["attributes"]["transformBlur"]["enabled"].setValue(
True)
s["attributes"]["attributes"]["transformBlur"]["value"].setValue(False)
s["options"] = GafferScene.StandardOptions()
s["options"]["in"].setInput(s["attributes"]["out"])
s["options"]["options"]["transformBlur"]["enabled"].setValue(True)
s["render"] = GafferArnold.ArnoldRender()
s["render"]["in"].setInput(s["options"]["out"])
s["render"]["mode"].setValue(s["render"].Mode.SceneDescriptionMode)
s["render"]["fileName"].setValue(self.temporaryDirectory() +
"/test.ass")
# No motion blur
s["options"]["options"]["transformBlur"]["value"].setValue(False)
s["render"]["task"].execute()
with IECoreArnold.UniverseBlock(writable=True):
arnold.AiASSLoad(self.temporaryDirectory() + "/test.ass")
sphere = arnold.AiNodeLookUpByName("/group/sphere")
sphereTimes = arnold.AiNodeGetArray(sphere,
"transform_time_samples")
sphereMatrix = arnold.AtMatrix()
arnold.AiNodeGetMatrix(sphere, "matrix", sphereMatrix)
plane = arnold.AiNodeLookUpByName("/group/plane")
planeTimes = arnold.AiNodeGetArray(plane, "transform_time_samples")
planeMatrix = arnold.AtMatrix()
arnold.AiNodeGetMatrix(plane, "matrix", planeMatrix)
expectedSphereMatrix = arnold.AtMatrix()
arnold.AiM4Translation(expectedSphereMatrix,
arnold.AtVector(0, 2, 0))
expectedPlaneMatrix = arnold.AtMatrix()
arnold.AiM4Translation(expectedPlaneMatrix,
arnold.AtVector(1, 0, 0))
self.__assertStructsEqual(sphereMatrix, expectedSphereMatrix)
self.__assertStructsEqual(planeMatrix, expectedPlaneMatrix)
# Motion blur
s["options"]["options"]["transformBlur"]["value"].setValue(True)
s["render"]["task"].execute()
with IECoreArnold.UniverseBlock(writable=True):
arnold.AiASSLoad(self.temporaryDirectory() + "/test.ass")
sphere = arnold.AiNodeLookUpByName("/group/sphere")
sphereTimes = arnold.AiNodeGetArray(sphere,
"transform_time_samples")
sphereMatrices = arnold.AiNodeGetArray(sphere, "matrix")
plane = arnold.AiNodeLookUpByName("/group/plane")
planeTimes = arnold.AiNodeGetArray(plane, "transform_time_samples")
planeMatrices = arnold.AiNodeGetArray(plane, "matrix")
self.assertEqual(sphereTimes.contents.nelements, 2)
self.assertEqual(sphereTimes.contents.nkeys, 1)
self.assertEqual(sphereMatrices.contents.nelements, 1)
self.assertEqual(sphereMatrices.contents.nkeys, 2)
self.assertEqual(planeTimes.contents.nelements, 2)
self.assertEqual(planeTimes.contents.nkeys, 1)
self.assertEqual(planeMatrices.contents.nelements, 1)
self.assertEqual(planeMatrices.contents.nkeys, 2)
for i in range(0, 2):
frame = 0.75 + 0.5 * i
self.assertEqual(arnold.AiArrayGetFlt(sphereTimes, i), frame)
self.assertEqual(arnold.AiArrayGetFlt(planeTimes, i), frame)
sphereMatrix = arnold.AtMatrix()
arnold.AiArrayGetMtx(sphereMatrices, i, sphereMatrix)
expectedSphereMatrix = arnold.AtMatrix()
arnold.AiM4Translation(
expectedSphereMatrix,
arnold.AtVector(0, frame * 2, frame - 1))
planeMatrix = arnold.AtMatrix()
arnold.AiArrayGetMtx(planeMatrices, i, planeMatrix)
expectedPlaneMatrix = arnold.AtMatrix()
arnold.AiM4Translation(expectedPlaneMatrix,
arnold.AtVector(1, 0, frame - 1))
self.__assertStructsEqual(sphereMatrix, expectedSphereMatrix)
self.__assertStructsEqual(planeMatrix, expectedPlaneMatrix)