def test(self):
fileName = os.path.expandvars(
"$GAFFER_ROOT/python/GafferTest/images/checker.exr")
node = GafferCortex.ObjectReader()
node["fileName"].setValue(fileName)
self.assertEqual(node["fileName"].getValue(), fileName)
reader = IECore.Reader.create(fileName)
# check that the result is the same as loading it ourselves
self.assertEqual(reader.read(), node["out"].getValue())
def testReadAfterSerialisation(self):
s = Gaffer.ScriptNode()
s["n"] = GafferCortex.ObjectReader()
s["n"]["fileName"].setValue(
os.path.dirname(__file__) + "/images/checker.exr")
r = s["n"]["out"].getValue()
ss = s.serialise()
s = Gaffer.ScriptNode()
s.execute(ss)
self.assertEqual(s["n"]["out"].getValue(), r)
def testChangingFileType(self):
imageFileName = os.path.expandvars(
"$GAFFER_ROOT/python/GafferTest/images/checker.exr")
cobFileName = os.path.expandvars(
"$GAFFER_ROOT/python/GafferTest/cobs/pSphereShape1.cob")
node = GafferCortex.ObjectReader()
node["fileName"].setValue(imageFileName)
reader = IECore.Reader.create(imageFileName)
self.assertEqual(reader.read(), node["out"].getValue())
node["fileName"].setValue(cobFileName)
reader = IECore.Reader.create(cobFileName)
self.assertEqual(reader.read(), node["out"].getValue())
def __init__(self, name="_ObjectPreview"):
Gaffer.Node.__init__(self, name)
import GafferCortex
self["fileName"] = Gaffer.StringPlug(
defaultValue="",
substitutions=Gaffer.Context.Substitutions.NoSubstitutions)
self["frameRate"] = Gaffer.FloatPlug(defaultValue=24.0)
self["samplesPerFrame"] = Gaffer.IntPlug(defaultValue=1, minValue=1)
# single object scenes using Reader ops behind the scenes?
self["ObjectReader"] = GafferCortex.ObjectReader()
self["ObjectReaderExpression"] = Gaffer.Expression("Expression")
self["ObjectReaderExpression"].setExpression('''
import IECore
fileName = parent['fileName']
try :
sequence = IECore.FileSequence( fileName )
calc = IECore.OversamplesCalculator( frameRate = parent["frameRate"], samplesPerFrame = parent["samplesPerFrame"] )
if isinstance( sequence.frameList, IECore.FrameRange ) and sequence.frameList.step == 1 :
calc.setTicksPerSecond( 24 )
result = sequence.fileNameForFrame( calc.framesToTicks( context['frame'] ) )
except :
result = fileName
parent['ObjectReader']['fileName'] = result
''')
self["ObjectToScene"] = GafferScene.ObjectToScene("ObjectToScene")
self["ObjectToScene"]["object"].setInput(self["ObjectReader"]["out"])
self["out"] = GafferScene.ScenePlug(
direction=Gaffer.Plug.Direction.Out)
self["out"].setInput(self["ObjectToScene"]["out"])
def testReadNoFilename(self):
r = GafferCortex.ObjectReader()
self.assertEqual(r["out"].getValue(), r["out"].defaultValue())