def testRandomCameras( self ) : random.seed( 42 ) for i in range( 40 ): randomCamera = maya.cmds.camera()[0] cortexCamera = IECoreScene.Camera() projection = "orthographic" if random.random() > 0.5 else "perspective" cortexCamera.setProjection( projection ) cortexCamera.setAperture( imath.V2f( random.uniform( 1, 20 ), random.uniform( 1, 20 ) ) ) cortexCamera.setApertureOffset( imath.V2f( random.uniform( -10, 10 ), random.uniform( -10, 10 ) ) ) if projection != "orthographic": cortexCamera.setFocalLength( random.uniform( 2.5, 200 ) ) cortexCamera.setClippingPlanes( random.uniform( 1, 1000 ) + imath.V2f( 0, random.uniform( 1, 1000 ) ) ) cortexCamera.setFStop( random.uniform( 1, 10 ) ) cortexCamera.setFocusDistance( random.uniform( 0, 1000 ) ) if cortexCamera.getProjection() == "orthographic": # Remove settings which we know will fail on ortho cameras in Maya ( see test below ) del cortexCamera.parameters()["apertureOffset"] # Only square apertures supported cortexCamera.setAperture( imath.V2f( cortexCamera.getAperture()[0] ) ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( randomCamera ) ) self.assertIECoreCamAndMayaCamEqual( cortexCamera, randomCamera ) roundTrip = IECoreMaya.FromMayaCameraConverter( randomCamera ).convert() self.assertIECoreCamsAlmostEqual( cortexCamera, roundTrip ) maya.cmds.delete( randomCamera )
def testFilmOffset(self):
for x in [-0.5, -0.25, 0, 0.25, 0.5]:
maya.cmds.setAttr("perspShape.horizontalFilmOffset", x)
self.assertNotAlmostEqual(
maya.cmds.getAttr("frontShape.horizontalFilmOffset"),
maya.cmds.getAttr("perspShape.horizontalFilmOffset"))
for y in [-0.5, -0.25, 0, 0.25, 0.5]:
maya.cmds.setAttr("perspShape.verticalFilmOffset", y)
self.assertNotAlmostEqual(
maya.cmds.getAttr("frontShape.verticalFilmOffset"),
maya.cmds.getAttr("perspShape.verticalFilmOffset"))
front = IECoreMaya.FromMayaCameraConverter(
"frontShape").convert()
persp = IECoreMaya.FromMayaCameraConverter(
"perspShape").convert()
self.assertIECoreCamsNotEqual(front, persp)
self.failUnless(
IECoreMaya.ToMayaCameraConverter(persp).convert("front"))
self.assertMayaCamsEqual("frontShape", "perspShape")
self.assertIECoreCamAndMayaCamEqual(persp, "frontShape")
newFront = IECoreMaya.FromMayaCameraConverter(
"frontShape").convert()
self.assertIECoreCamsEqual(persp, newFront)
def testWrongIECoreObject( self ) : converter = IECoreMaya.ToMayaCameraConverter( IECoreScene.MeshPrimitive() ) messageHandler = IECore.CapturingMessageHandler() with messageHandler : self.assertFalse( converter.convert( "topShape" ) ) self.assertEqual( len( messageHandler.messages ), 1 ) self.assertEqual( messageHandler.messages[0].level, IECore.MessageHandler.Level.Warning ) self.assertEqual( messageHandler.messages[0].context, "ToMayaCameraConverter::doConversion" )
def testUnrepresentable( self ) : testCamera = maya.cmds.camera()[0] cortexCamera = IECoreScene.Camera() cortexCamera.setProjection( "orthographic" ) cortexCamera.setAperture( imath.V2f( 1, 2 ) ) cortexCamera.setClippingPlanes( imath.V2f( 1, 100 ) ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( testCamera ) ) self.assertIECoreCamAndMayaCamEqual( cortexCamera, testCamera ) roundTrip = IECoreMaya.FromMayaCameraConverter( testCamera ).convert() self.assertIECoreCamsAlmostEqual( cortexCamera, roundTrip ) cortexCamera.setApertureOffset( imath.V2f( 3, 4 ) ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( testCamera ) ) self.assertIECoreCamAndMayaCamEqual( cortexCamera, testCamera ) roundTrip = IECoreMaya.FromMayaCameraConverter( testCamera ).convert() self.assertIECoreCamsAlmostEqual( cortexCamera, roundTrip ) maya.cmds.delete( testCamera )
def testWrongMayaNode( self ) : maya.cmds.polySphere( name="pSphere" ) persp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() converter = IECoreMaya.ToMayaCameraConverter( persp ) messageHandler = IECore.CapturingMessageHandler() with messageHandler : self.assertFalse( converter.convert( "pSphereShape" ) ) self.assertEqual( len( messageHandler.messages ), 1 ) self.assertEqual( messageHandler.messages[0].level, IECore.MessageHandler.Level.Warning ) self.assertEqual( messageHandler.messages[0].context, "ToMayaCameraConverter::doConversion" )
def testNewCam( self ) : persp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() parent = maya.cmds.createNode( "transform" ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( persp ).convert( parent ) ) cams = maya.cmds.listRelatives( parent, children=True, fullPath=True, type="camera" ) self.assertEqual( len(cams), 1 ) self.assertMayaCamsEqual( "|persp|perspShape", cams[0] ) self.assertIECoreCamAndMayaCamEqual( persp, cams[0] ) newCam = IECoreMaya.FromMayaCameraConverter( cams[0] ).convert() self.assertEqual( persp.parameters(), newCam.parameters() )
def testFocalLengthWorldScale( self ) : testCamera = maya.cmds.camera()[0] cortexCamera = IECoreScene.Camera() cortexCamera.setProjection( "perspective" ) cortexCamera.setAperture( imath.V2f( 36, 24 ) ) cortexCamera.setFocalLength( 35 ) cortexCamera.setClippingPlanes( imath.V2f( 1, 100 ) ) cortexCamera.setApertureOffset( imath.V2f( 0 ) ) cortexCamera.setFocusDistance( 1 ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( testCamera ) ) self.assertIECoreCamAndMayaCamEqual( cortexCamera, testCamera ) roundTrip = IECoreMaya.FromMayaCameraConverter( testCamera ).convert() self.assertIECoreCamsAlmostEqual( cortexCamera, roundTrip ) for scale in [ 1.0, 0.01 ]: cortexCamera.setFocalLengthWorldScale( scale ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( testCamera ) ) sel = maya.OpenMaya.MSelectionList() sel.add( testCamera ) dag = maya.OpenMaya.MDagPath() sel.getDagPath( 0, dag ) fn = maya.OpenMaya.MFnCamera( dag ) self.assertAlmostEqual( fn.focalLength(), cortexCamera.getFocalLength() * scale / 0.1, places = 6 ) roundTrip = IECoreMaya.FromMayaCameraConverter( testCamera ).convert() self.assertAlmostEqual( roundTrip.getFocalLength(), cortexCamera.getFocalLength() * scale / 0.1, places = 6 ) # Check that despite using different units for focalLength and aperture, we still get the # same frustum self.assertEqual( roundTrip.frustum(), cortexCamera.frustum() ) maya.cmds.delete( testCamera )
def testSmallFocalLengths( self ) : random.seed( 42 ) for i in range( 40 ): randomCamera = maya.cmds.camera()[0] cortexCamera = IECoreScene.Camera() cortexCamera.setProjection( "perspective" ) cortexCamera.setAperture( imath.V2f( random.uniform( 0.1, 0.5 ), random.uniform( 0.1, 0.5 ) ) ) cortexCamera.setApertureOffset( imath.V2f( random.uniform( -0.5, 0.5 ), random.uniform( -0.5, 0.5 ) ) ) cortexCamera.setFocalLength( random.uniform( 0.1, 1 ) ) cortexCamera.setClippingPlanes( random.uniform( 1, 1000 ) + imath.V2f( 0, random.uniform( 1, 1000 ) ) ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( cortexCamera ).convert( randomCamera ) ) self.assertIECoreCamAndMayaCamEqual( cortexCamera, randomCamera ) maya.cmds.delete( randomCamera )
def testExistingCamParent( self ) : maya.cmds.setAttr( "frontShape.nearClipPlane", 1 ) maya.cmds.setAttr( "frontShape.farClipPlane", 1000 ) maya.cmds.setAttr( "frontShape.orthographicWidth", 2 ) self.assertMayaCamsNotEqual( "frontShape", "perspShape" ) front = IECoreMaya.FromMayaCameraConverter( "frontShape" ).convert() persp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() self.assertNotEqual( front, persp ) self.assertTrue( IECoreMaya.ToMayaCameraConverter( front ).convert( "persp" ) ) self.assertMayaCamsEqual( "frontShape", "perspShape" ) self.assertIECoreCamAndMayaCamEqual( front, "perspShape" ) newPersp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() self.assertEqual( front.parameters(), newPersp.parameters() )
def testExistingCamParent( self ) : maya.cmds.setAttr( "frontShape.nearClipPlane", 1 ) maya.cmds.setAttr( "frontShape.farClipPlane", 1000 ) maya.cmds.setAttr( "frontShape.horizontalFilmAperture", 2 ) maya.cmds.setAttr( "frontShape.verticalFilmAperture", 1 ) self.assertMayaCamsNotEqual( "frontShape", "perspShape" ) front = IECoreMaya.FromMayaCameraConverter( "frontShape" ).convert() persp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() self.assertIECoreCamsNotEqual( front, persp ) self.failUnless( IECoreMaya.ToMayaCameraConverter( front ).convert( "persp" ) ) self.assertMayaCamsEqual( "frontShape", "perspShape" ) self.assertIECoreCamAndMayaCamEqual( front, "perspShape" ) newPersp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() self.assertIECoreCamsEqual( front, newPersp )
def testExistingCam( self ) : maya.cmds.setAttr( "topShape.nearClipPlane", 1 ) maya.cmds.setAttr( "topShape.farClipPlane", 1000 ) maya.cmds.setAttr( "topShape.horizontalFilmAperture", 2 ) maya.cmds.setAttr( "topShape.verticalFilmAperture", 1 ) self.assertMayaCamsNotEqual( "perspShape", "topShape" ) persp = IECoreMaya.FromMayaCameraConverter( "perspShape" ).convert() top = IECoreMaya.FromMayaCameraConverter( "topShape" ).convert() self.assertIECoreCamsNotEqual( persp, top ) self.failUnless( IECoreMaya.ToMayaCameraConverter( persp ).convert( "topShape" ) ) self.assertMayaCamsEqual( "perspShape", "topShape" ) self.assertIECoreCamAndMayaCamEqual( persp, "topShape" ) newTop = IECoreMaya.FromMayaCameraConverter( "topShape" ).convert() self.assertIECoreCamsEqual( persp, newTop )
