def testUserSuppliedHash( self ) : with IECoreArnold.UniverseBlock( writable = True ) : c = IECoreArnold.InstancingConverter() m1 = IECoreScene.MeshPrimitive.createPlane( imath.Box2f( imath.V2f( -1 ), imath.V2f( 1 ) ) ) m2 = IECoreScene.MeshPrimitive.createPlane( imath.Box2f( imath.V2f( -2 ), imath.V2f( 2 ) ) ) h1 = IECore.MurmurHash() h2 = IECore.MurmurHash() h1.append( 10 ) h2.append( 10 ) am1a = c.convert( m1, h1, "testMesh" ) self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( am1a ) ), "polymesh" ) am1b = c.convert( m1, h1, "testInstance" ) self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( am1b ) ), "ginstance" ) self.assertEqual( arnold.AiNodeGetPtr( am1b, "node" ), ctypes.addressof( am1a.contents ) ) am2a = c.convert( m2, h2, "testMesh" ) self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( am2a ) ), "polymesh" ) am2b = c.convert( m2, h2, "testInstance" ) self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( am2b ) ), "ginstance" ) self.assertEqual( arnold.AiNodeGetPtr( am2b, "node" ), ctypes.addressof( am2a.contents ) )
def test(self):
with IECoreArnold.UniverseBlock(writable=True):
c = IECoreArnold.InstancingConverter()
m1 = IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-1), IECore.V2f(1)))
m2 = m1.copy()
m3 = IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-2), IECore.V2f(2)))
am1 = c.convert(m1)
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(am1)),
"polymesh")
am2 = c.convert(m2)
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(am2)),
"ginstance")
self.assertEqual(arnold.AiNodeGetPtr(am2, "node"),
ctypes.addressof(am1.contents))
am3 = c.convert(m3)
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(am3)),
"polymesh")
def testThreading(self):
with IECoreArnold.UniverseBlock(writable=True):
converter = IECoreArnold.InstancingConverter()
meshes = []
for i in range(0, 1000):
meshes.append(
IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-i), IECore.V2f(i))))
def f(nodeList):
for i in range(0, 10000):
nodeList.append(
converter.convert(random.choice(meshes), "testMesh"))
nodeLists = []
threads = []
for i in range(0, 10):
nodeList = []
nodeLists.append(nodeList)
t = threading.Thread(target=f, args=(nodeList, ))
threads.append(t)
t.start()
for t in threads:
t.join()
numPolyMeshNodes = 0
numInstanceNodes = 0
polyMeshAddresses = set()
instancedNodeAddresses = []
for nodeList in nodeLists:
self.assertEqual(len(nodeList), 10000)
for node in nodeList:
nodeType = arnold.AiNodeEntryGetName(
arnold.AiNodeGetNodeEntry(node))
self.failUnless(nodeType in ("ginstance", "polymesh"))
if nodeType == "ginstance":
numInstanceNodes += 1
instancedNodeAddresses.append(
arnold.AiNodeGetPtr(node, "node"))
else:
numPolyMeshNodes += 1
polyMeshAddresses.add(ctypes.addressof(node.contents))
self.assertEqual(numInstanceNodes + numPolyMeshNodes, 10000 * 10)
for address in instancedNodeAddresses:
self.failUnless(address in polyMeshAddresses)
def testMotion(self):
with IECoreArnold.UniverseBlock(writable=True):
c = IECoreArnold.InstancingConverter()
m1 = IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-1), IECore.V2f(1)))
m2 = IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-2), IECore.V2f(2)))
n1 = c.convert([m1, m2], -0.25, 0.25, "testMesh")
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(n1)),
"polymesh")
self.assertEqual(
arnold.AiArrayGetNumKeys(
arnold.AiNodeGetArray(n1, "vlist").contents), 2)
n2 = c.convert([m1, m2], -0.25, 0.25, "testInstance")
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(n2)),
"ginstance")
self.assertEqual(arnold.AiNodeGetPtr(n2, "node"),
ctypes.addressof(n1.contents))
n3 = c.convert([m2, m1], -0.25, 0.25, "testMesh")
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(n1)),
"polymesh")
self.assertEqual(
arnold.AiArrayGetNumKeys(
arnold.AiNodeGetArray(n1, "vlist").contents), 2)
n4 = c.convert([m1, m2], -0.5, 0.5, "testInstance")
self.assertEqual(
arnold.AiNodeEntryGetName(arnold.AiNodeGetNodeEntry(n1)),
"polymesh")
self.assertEqual(
arnold.AiArrayGetNumKeys(
arnold.AiNodeGetArray(n1, "vlist").contents), 2)