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#-******************************************************************************
#
# Copyright (c) 2012-2013,
# Sony Pictures Imageworks Inc. and
# Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Sony Pictures Imageworks, nor
# Industrial Light & Magic, nor the names of their contributors may be used
# to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#-******************************************************************************
import unittest
from imath import *
from alembic.AbcCoreAbstract import *
from alembic.Abc import *
from alembic.Util import *
from cubeData import *
# In this test, we export a polygon cube with xform data
# The cube is animated by manipulating the xform transforms
# over time.
# This is the scatch of the file hierarchy.
# Abc
# |- Xform
# |- .inherits
# |- .ops
# |- .vals
# |- PolyMesh
# |- .faceCounts
# |- .faceIndices
# |- P
# |- .selfBnds
# TimeSampling data
tvec = TimeVector()
tvec[:] = [ 1, 2, 3 ]
timePerCycle = 3.0
numSamplesPerCycle = len(tvec)
tst = TimeSamplingType( numSamplesPerCycle, timePerCycle )
ts = TimeSampling( tst, tvec )
# Pseudo wrapper for AbcGeom Objects and their schemas
def OXformSchema( iObject ):
meta = MetaData();
meta.set( 'schema', 'AbcGeom_Xform_v3' )
return OCompoundProperty( iObject.getProperties(), '.xform', meta )
def OPolyMeshSchema( iObject ):
meta = MetaData();
meta.set( 'schema', 'AbcGeom_PolyMesh_v1' )
meta.set( 'schemaBaseType', 'AbcGeom_GeomBase_v1' )
return OCompoundProperty( iObject.getProperties(), '.geom', meta )
def OXform( iObject, iName, iTimeSamplingIdx ):
meta = MetaData()
meta.set( 'schema', 'AbcGeom_Xform_v3' )
meta.set( 'schemaObjTitle', 'AbcGeom_Xform_v3:.xform' )
return OObject( iObject, iName, meta, iTimeSamplingIdx )
def OPolyMesh( iObject, iName ):
meta = MetaData()
meta.set( 'schema', 'AbcGeom_PolyMesh_v1' )
meta.set( 'schemaObjTitle', 'AbcGeom_PolyMesh_v1:.geom' )
meta.set( 'schemaBaseType', 'AbcGeom_GeomBase_v1' )
return OObject( iObject, iName, meta )
class CacheCubeTest(unittest.TestCase):
# Test exporting a simple cube quad mesh
def testExportCubeGeom(self):
top = OArchive( 'cube.abc' ).getTop()
# Add our time sampling
tsidx = top.getArchive().addTimeSampling(ts)
###########################################################################
# cube OXform object
xform = OXform( top, 'cube1', tsidx )
###########################################################################
# OXform schema property
xformCP = OXformSchema( xform )
# Properties
# .inherits
inherits = OBoolProperty( xformCP, '.inherits' )
for i in range( 0, numSamplesPerCycle ):
inherits.setValue( True )
# .ops
ops = OUcharProperty( xformCP, '.ops' )
for i in range( 0, numSamplesPerCycle ):
ops.setValue( 48 )
# .vals
vals = OM44dProperty( xformCP, '.vals', tsidx )
vals.setValue ( xformvec[0] )
vals.setValue ( xformvec[1] )
vals.setValue ( xformvec[2] )
###########################################################################
# /cube/cubeShape OPolyMesh object
shape = OPolyMesh( xform, 'cube1Shape' )
###########################################################################
# OPolyMesh schema
mesh = OPolyMeshSchema( shape )
# Properties
# .faceCounts
counts = OInt32ArrayProperty( mesh, '.faceCounts' )
counts.setValue( faceCounts )
# .faceIndices
indices = OInt32ArrayProperty( mesh, '.faceIndices' )
indices.setValue( faceIndices )
# P
p = OP3fArrayProperty( mesh, 'P' )
p.setValue( points )
# selfBnds
bnds = OBox3dProperty( mesh, '.selfBnds' )
bnds.setValue( selfBnds );
# Test importing the exported quad mesh
def testImportCubeGeom(self):
archive = IArchive( 'cube.abc' )
self.assertEqual(archive.getMaxNumSamplesForTimeSamplingIndex(0), 1)
self.assertEqual(archive.getMaxNumSamplesForTimeSamplingIndex(1), 3)
top = archive.getTop()
self.assertEqual(top.getNumChildren(), 1)
# IXform Object
xform = top.getChild( 0 )
self.assertEqual(xform.getName(), 'cube1')
# IXform Properties
xformTopCP = xform.getProperties()
xformCP = xformTopCP.getProperty( 0 );
inherits = xformCP.getProperty( '.inherits' )
ops = xformCP.getProperty( '.ops' )
vals = xformCP.getProperty( '.vals' )
self.assertEqual(inherits.getNumSamples(), numSamplesPerCycle)
self.assertEqual(ops.getNumSamples(), numSamplesPerCycle)
self.assertEqual(vals.getNumSamples(), numSamplesPerCycle)
# Get the time sampling associated with vals.
tSamp = vals.getTimeSampling()
# Access index at a given time
index0 = tSamp.getNearIndex( tvec[0] + 0.1, numSamplesPerCycle )
index1 = tSamp.getCeilIndex( tvec[0] + 0.1, numSamplesPerCycle )
index2 = tSamp.getFloorIndex( tvec[2] + 0.1, numSamplesPerCycle )
self.assertEqual(index0, 0)
self.assertEqual(index1, 1)
self.assertEqual(index2, 2)
val0 = vals.samples[index0]
val1 = vals.samples[index1]
val2 = vals.samples[index2]
self.assertEqual(val0, xformvec[0])
self.assertEqual(val1, xformvec[1])
self.assertEqual(val2, xformvec[2])
# IPolyMesh Object
mesh = xform.getChild( 'cube1Shape' )
meshTopCP = mesh.getProperties()
meshCP = meshTopCP.getProperty(0)
# IPolyMesh Properties
counts = meshCP.getProperty( '.faceCounts' )
indices = meshCP.getProperty( '.faceIndices' )
p = meshCP.getProperty( 'P' )
bnds = meshCP.getProperty( '.selfBnds' )
self.assertEqual(counts.samples[0], faceCounts)
self.assertEqual(indices.samples[0], faceIndices)
self.assertEqual(p.samples[0], points)
self.assertEqual(bnds.samples[0], selfBnds)
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