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#-******************************************************************************
#
# Copyright (c) 2012,
# 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.Abc import *
from alembic.AbcGeom import *
kScaleOperation = XformOperationType.kScaleOperation
kTranslateOperation = XformOperationType.kTranslateOperation
kRotateOperation = XformOperationType.kRotateOperation
kMatrixOperation = XformOperationType.kMatrixOperation
kRotateXOperation = XformOperationType.kRotateXOperation
kRotateYOperation = XformOperationType.kRotateYOperation
kRotateZOperation = XformOperationType.kRotateZOperation
kMatrixHint = 0
kRotateHint = 0
kScaleHint = 0
kTranslateHint = 0
class XformTest(unittest.TestCase):
def testXformExport(self):
"""write an oarchive with an xform in it"""
oarch = OArchive('xform1.abc')
a = OXform(oarch.getTop(), 'a')
b = OXform(a, 'b')
c = OXform(b, 'c')
d = OXform(c, 'd')
e = OXform(d, 'e')
f = OXform(e, 'f')
g = OXform(f, 'g')
transop = XformOp(kTranslateOperation, kTranslateHint)
rotatop = XformOp(kRotateOperation, kRotateHint)
scaleop = XformOp(kScaleOperation, kScaleHint)
matrixop = XformOp(kMatrixOperation, kMatrixHint)
self.assertEqual(a.getSchema().getNumSamples(), 0)
asamp = XformSample()
for i in range(20):
asamp.addOp(transop, V3d(12.0, i+42.0, 20.0))
if i == 18:
a.getSchema().getChildBoundsProperty().setValue(
Box3d(V3d(-1.0, -1.0, -1.0), V3d(1.0, 1.0, 1.0)))
a.getSchema().set(asamp)
bsamp = XformSample()
for i in range(20):
bsamp.setInheritsXforms(i % 2)
b.getSchema().set(bsamp)
# for c we write nothing
dsamp = XformSample()
dsamp.addOp(scaleop, V3d(3.0, 6.0, 9.0))
d.getSchema().set(dsamp)
esamp = XformSample()
identmat = M44d()
identmat.makeIdentity()
esamp.addOp(transop, V3d(0.0, 0.0, 0.0))
esamp.addOp(XformOp(kMatrixOperation, kMatrixHint), identmat)
esamp.addOp(scaleop, V3d(1.0, 1.0, 1.0))
e.getSchema().set(esamp)
fsamp = XformSample()
fsamp.addOp(transop, V3d(3.0, -4.0, 5.0))
f.getSchema().set(fsamp)
# this will cause the Xform's values property to be an ArrayProperty
# since there will be 20 * 16 channels.
gsamp = XformSample()
gmatrix = M44d()
gmatrix.makeIdentity()
for i in range(20):
gmatrix[0][1] = float(i)
gsamp.addOp(matrixop, gmatrix)
g.getSchema().set(gsamp)
def testXformIn(self):
"""read in an iarchive with an xform and check vals"""
iarch = IArchive('xform1.abc')
identity = M44d()
xs = XformSample()
a = IXform(iarch.getTop(), 'a')
self.assertEqual(a.getSchema().getNumSamples(), 20)
self.assertEqual(a.getSchema().getNumOps(), 1)
for i in range(20):
xs = a.getSchema().getValue(ISampleSelector(i))
self.assertEqual(xs.getNumOps(), 1)
self.assertTrue(xs[0].isTranslateOp())
self.assertTrue(xs[0].isYAnimated())
self.assertFalse(xs[0].isXAnimated())
self.assertFalse(xs[0].isZAnimated())
self.assertEqual(xs.getTranslation(), V3d(12.0, i+42.0, 20.0))
self.assertEqual(xs.getMatrix(),
M44d().setTranslation(V3d(12.0, i+42.0, 20.0)))
b = IXform(a, 'b')
xs = b.getSchema().getValue()
self.assertTrue(b.getSchema().getTimeSampling().getTimeSamplingType().isUniform())
# the schema is not static, because set() was called 20 times on it
self.assertFalse(b.getSchema().isConstant())
self.assertEqual(b.getSchema().getNumSamples(), 20)
self.assertEqual(xs.getNumOps(), 0)
self.assertEqual(b.getSchema().getNumOps(), 0)
self.assertEqual(xs.getMatrix(), identity)
c = IXform(b, 'c')
xs = c.getSchema().getValue()
self.assertEqual(xs.getNumOps(), 0)
self.assertEqual(c.getSchema().getNumOps(), 0)
self.assertEqual(xs.getMatrix(), identity)
self.assertTrue(c.getSchema().getInheritsXforms())
d = IXform(c, 'd')
xs = d.getSchema().getValue()
self.assertEqual(xs.getNumOps(), 1)
self.assertEqual(d.getSchema().getNumOps(), 1)
self.assertTrue(xs[0].isScaleOp())
self.assertFalse(xs[0].isXAnimated() or xs[0].isYAnimated()
or xs[0].isZAnimated())
self.assertEqual(xs.getMatrix(), M44d().setScale(V3d(3.0, 6.0, 9.0)))
self.assertTrue(d.getSchema().getInheritsXforms())
e = IXform(d, 'e')
self.assertTrue(e.getSchema().isConstantIdentity())
self.assertTrue(e.getSchema().isConstant())
self.assertEqual(e.getSchema().getNumOps(), 3)
f = IXform(e, 'f')
self.assertTrue(f.getSchema().isConstant())
self.assertFalse(f.getSchema().isConstantIdentity())
g = IXform(f, 'g')
gmatrix = M44d()
gmatrix.makeIdentity()
gsamp = g.getSchema().getValue()
self.assertEqual(gsamp.getNumOps(), 20)
self.assertEqual(gsamp.getNumOpChannels(), 20 * 16)
self.assertEqual(g.getSchema().getNumSamples(), 1)
self.assertTrue(g.getSchema().isConstant())
self.assertFalse(g.getSchema().isConstantIdentity())
for i in range(20):
self.assertEqual(gsamp[i].getChannelValue(1), float(i))
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