Method testWriting

test/IECoreScene/LinkedSceneTest.py:141–228

( self )

		self.assertEqual( attr, expectedAttr )

	def testWriting( self ):

		generateTestFiles = False	# change this to True to recreate the LinkedScene files for other tests.
		testFilesSuffix = "_newTags"
		if generateTestFiles :
			outputPath = os.path.join( "test", "IECore", "data", "sccFiles" )
		else :
			outputPath = self.tempDir

		m = IECoreScene.SceneCache( os.path.join( "test", "IECore", "data", "sccFiles", "animatedSpheres.scc" ), IECore.IndexedIO.OpenMode.Read )
		A = m.child("A")

		l = IECoreScene.LinkedScene( os.path.join(outputPath,"instancedSpheres%s.lscc"%testFilesSuffix), IECore.IndexedIO.OpenMode.Write )
		i0 = l.createChild("instance0")
		i0.writeLink( m )
		i1 = l.createChild("instance1")
		i1.writeLink( m )
		i1.writeAttribute( "testAttr", IECore.StringData("test"), 0 )
		i1.writeTransform( IECore.M44dData( imath.M44d().translate( imath.V3d( 1, 0, 0 ) ) ), 0.0 )
		i2 = l.createChild("instance2")
		i2.writeLink( A )
		i2.writeTransform( IECore.M44dData( imath.M44d().translate( imath.V3d( 2, 0, 0 ) ) ), 0.0 )
		l.createChild("canHaveChildrenAtLinks")
		i2.writeTags( ["canHaveTagsAtLinks"] )
		self.assertRaises( RuntimeError, i2.writeObject, IECoreScene.SpherePrimitive( 1 ), 0.0 )  # cannot save objects at link locations.
		b1 = l.createChild("branch1")
		b1.writeObject( IECoreScene.SpherePrimitive( 1 ), 0.0 )
		self.assertRaises( RuntimeError, b1.writeLink, A )
		b2 = l.createChild("branch2")
		c2 = b2.createChild("child2")
		b2.writeLink( A )
		del i0, i1, i2, l, b1, b2, c2

		l = IECoreScene.LinkedScene( os.path.join(outputPath,"instancedSpheres%s.lscc"%testFilesSuffix), IECore.IndexedIO.OpenMode.Read )

		self.assertEqual( l.numBoundSamples(), 4 )
		self.assertEqual( set(l.childNames()), set(["canHaveChildrenAtLinks",'instance0','instance1','instance2','branch1','branch2']) )
		i0 = l.child("instance0")
		self.assertEqual( i0.numBoundSamples(), 4 )
		self.assertTrue( LinkedSceneTest.compareBBox( i0.readBoundAtSample(0), imath.Box3d( imath.V3d( -1,-1,-1 ), imath.V3d( 2,2,1 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i0.readBoundAtSample(1), imath.Box3d( imath.V3d( -1,-1,-1 ), imath.V3d( 3,3,1 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i0.readBoundAtSample(2), imath.Box3d( imath.V3d( -2,-1,-2 ), imath.V3d( 4,5,2 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i0.readBoundAtSample(3), imath.Box3d( imath.V3d( -3,-1,-3 ), imath.V3d( 4,6,3 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i0.readBound(0), imath.Box3d( imath.V3d( -1,-1,-1 ), imath.V3d( 2,2,1 ) ) ) )

		A = i0.child("A")
		self.assertTrue( LinkedSceneTest.compareBBox( A.readBoundAtSample(0), imath.Box3d(imath.V3d( -1,-1,-1 ), imath.V3d( 1,1,1 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( A.readBoundAtSample(1), imath.Box3d(imath.V3d( -1,-1,-1 ), imath.V3d( 1,1,1 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( A.readBoundAtSample(2), imath.Box3d(imath.V3d( 0,-1,-1 ), imath.V3d( 2,1,1 ) ) ) )
		self.assertEqual( i0.readTransform( 0 ), IECore.M44dData( imath.M44d() ) )

		i1 = l.child("instance1")
		self.assertEqual( i1.numBoundSamples(), 4 )
		self.assertTrue( LinkedSceneTest.compareBBox( i1.readBoundAtSample(0), imath.Box3d( imath.V3d( -1,-1,-1 ), imath.V3d( 2,2,1 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i1.readBoundAtSample(2), imath.Box3d( imath.V3d( -2,-1,-2 ), imath.V3d( 4,5,2 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i1.readBoundAtSample(3), imath.Box3d( imath.V3d( -3,-1,-3 ), imath.V3d( 4,6,3 ) ) ) )
		self.assertTrue( LinkedSceneTest.compareBBox( i1.readBound(0), imath.Box3d( imath.V3d( -1,-1,-1 ), imath.V3d( 2,2,1 ) ) ) )
		self.assertEqual( i1.readTransform( 0 ), IECore.M44dData( imath.M44d().translate( imath.V3d( 1, 0, 0 ) ) ) )