//-*****************************************************************************
void ReadTestArchive( const std::string &iArchiveName )
{
// When opening an archive for reading, you can pass in a pointer to
// an AbcA::ReadArraySampleCache, but if you don't, it will construct one
// for you by default. If you don't want to cache, just pass in NULL
// as the second argument.
Alembic::AbcCoreHDF5::ReadArchive ar;
AbcA::ArchiveReaderPtr arkive = ar( iArchiveName );
// Just stashing away a compound property reader pointer; we know the last
// child object in our hierarchy has all the properties, because we created
// it in the WriteTestArchive function.
AbcA::CompoundPropertyReaderPtr fcProps;
// Now do a depth-first traversal of our archive; this is a little ugly
AbcA::ObjectReaderPtr tmpOrp1;
AbcA::ObjectReaderPtr tmpOrp2 = arkive->getTop();
while ( true )
{
tmpOrp1 = tmpOrp2;
if ( tmpOrp1->getNumChildren() < 1 )
{
std::cout << "Found my last lonely child, named "
<< tmpOrp1->getFullName() << std::endl;
fcProps = tmpOrp1->getProperties();
std::cout << "It has " << fcProps->getNumProperties()
<< " sub-properties." << std::endl;
break;
}
tmpOrp2 = tmpOrp1->getChild( 0 );
}
// OK, fcProps is a shared pointer to the compound property reader that
// was in the last child object of the archive. Let's get the simple
// properties out of it.
AbcA::ScalarPropertyReaderPtr sProp;
AbcA::ArrayPropertyReaderPtr aProp0;
AbcA::ArrayPropertyReaderPtr aProp1;
for ( size_t i = 0 ; i < fcProps->getNumProperties() ; ++i )
{
AbcA::BasePropertyReaderPtr bp = fcProps->getProperty( i );
std::cout << "Found " << bp->getName() << std::endl;
if ( bp->isScalar() )
{
sProp = bp->asScalarPtr();
std::cout << "sProp has " << sProp->getNumSamples()
<< " samples." << std::endl;
}
if ( bp->isArray() && bp->getName() == "secondInt32ArrayProp" )
{
aProp1 = bp->asArrayPtr();
std::cout << "aProp1 has " << aProp1->getNumSamples()
<< " samples." << std::endl;
}
if ( bp->isArray() && bp->getName() == "firstInt32ArrayProp" )
{
aProp0 = bp->asArrayPtr();
std::cout << "aProp0 has " << aProp0->getNumSamples()
<< " samples." << std::endl;
}
}
// OK, now we have pointers to the two properties, one scalar, the other
// array. Let's read the scalar one first.
for ( size_t i = 0 ; i < sProp->getNumSamples() ; ++i )
{
float32_t sVal = 0;
sProp->getSample( i, (void*)(&sVal) );
TESTING_ASSERT( sVal == 42.0 );
std::cout << sProp->getName() << " at sample " << i << " has the value "
<< sVal << std::endl << std::endl;
}
// OK, now the first int array property.
AbcA::ArraySamplePtr samp;
std::cout << "FIRST INT ARRAY PROPERTY (Cyclic time sampling)"
<< std::endl;
for ( size_t i = 0 ; i < aProp0->getNumSamples() ; ++i )
{
aProp0->getSample( i, samp );
const AbcA::TimeSampling ts = aProp0->getTimeSampling();
size_t numPoints = samp->getDimensions().numPoints();
TESTING_ASSERT( (AbcA::chrono_t)i == ts.getSampleTime( i ) );
std::cout << "At Sample " << i << ", " << aProp0->getName()
<< " is at time " << ts.getSampleTime( i )
<< " and has " << numPoints << " points, with the values: "
<< std::endl;
int32_t *vals = (int32_t*)(samp->getData());
for ( size_t j = 0 ; j < numPoints ; ++j )
{
TESTING_ASSERT( vals[j] == i + j );
std::cout << j << ": " << vals[j] << ", ";
}
std::cout << std::endl << std::endl;
samp->reset();
}
// now the second int array
std::cout << "SECOND INT ARRAY PROPERTY (Acyclic time sampling)"
<< std::endl;
for ( size_t i = 0 ; i < aProp1->getNumSamples() ; ++i )
{
aProp1->getSample( i, samp );
const AbcA::TimeSampling ts = aProp1->getTimeSampling();
size_t numPoints = samp->getDimensions().numPoints();
std::cout << "At Sample " << i << ", " << aProp1->getName()
<< " is at time " << ts.getSampleTime( i )
<< " and has " << numPoints << " points,"
<< std::endl << "with the values: " << std::endl;
int32_t *vals = (int32_t*)(samp->getData());
for ( size_t j = 0 ; j < numPoints ; ++j )
{
TESTING_ASSERT( vals[j] == i + j );
std::cout << j << ": " << vals[j] << ", ";
}
std::cout << std::endl << std::endl;
samp->reset();
}
}
//-*****************************************************************************
void testTimeSamplingScalar()
{
std::string archiveName = "timeSamplingScalar.abc";
{
A5::WriteArchive w;
AbcA::ArchiveWriterPtr a = w(archiveName, AbcA::MetaData());
AbcA::ObjectWriterPtr archive = a->getTop();
AbcA::CompoundPropertyWriterPtr parent = archive->getProperties();
// illegal time value
TESTING_ASSERT_THROW(parent->createScalarProperty("uniform",
AbcA::MetaData(), AbcA::DataType(Alembic::Util::kInt32POD, 1), 42),
Alembic::Util::Exception);
std::vector < double > timeSamps(1,-4.0);
AbcA::TimeSamplingType tst(3.0);
AbcA::TimeSampling ts(tst, timeSamps);
uint32_t tsid = a->addTimeSampling(ts);
AbcA::ScalarPropertyWriterPtr swp =
parent->createScalarProperty("uniform", AbcA::MetaData(),
AbcA::DataType(Alembic::Util::kInt32POD, 1), tsid);
Alembic::Util::int32_t i = 0;
swp->setSample(&i);
i+=3;
swp->setSample(&i);
i+=3;
swp->setSample(&i);
timeSamps.clear();
timeSamps.push_back(4.0);
timeSamps.push_back(4.25);
timeSamps.push_back(4.5);
tst = AbcA::TimeSamplingType(3, 2.0);
ts = AbcA::TimeSampling(tst, timeSamps);
tsid = a->addTimeSampling(ts);
AbcA::ScalarPropertyWriterPtr swp2 =
parent->createScalarProperty("cyclic", AbcA::MetaData(),
AbcA::DataType(Alembic::Util::kUint32POD, 1), tsid);
Alembic::Util::uint32_t ui = 0;
swp2->setSample(&ui);
ui++;
swp2->setSample(&ui);
ui++;
swp2->setSample(&ui);
ui++;
swp2->setSample(&ui);
ui++;
swp2->setSample(&ui);
ui++;
swp2->setSample(&ui);
timeSamps.clear();
timeSamps.push_back(-17.0);
timeSamps.push_back(32.0);
timeSamps.push_back(50.0);
timeSamps.push_back(60.2);
timeSamps.push_back(101.1);
timeSamps.push_back(700.0);
timeSamps.push_back(747.0);
tst = AbcA::TimeSamplingType(AbcA::TimeSamplingType::kAcyclic);
ts = AbcA::TimeSampling(tst, timeSamps);
tsid = a->addTimeSampling(ts);
AbcA::ScalarPropertyWriterPtr swp3 =
parent->createScalarProperty("acyclic", AbcA::MetaData(),
AbcA::DataType(Alembic::Util::kUint16POD, 1), tsid);
Alembic::Util::uint16_t s = 0;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
s++;
swp3->setSample(&s);
// Setting more than what we have acyclic samples for
TESTING_ASSERT_THROW(swp3->setSample(&s),
Alembic::Util::Exception);
AbcA::ScalarPropertyWriterPtr swp4 =
parent->createScalarProperty("identity", AbcA::MetaData(),
AbcA::DataType(Alembic::Util::kInt16POD, 1), 0);
Alembic::Util::int16_t ss = 35;
swp4->setSample(&ss);
ss = 37;
swp4->setSample(&ss);
ss = 1000;
swp4->setSample(&ss);
timeSamps.clear();
timeSamps.push_back(0.0);
tst = AbcA::TimeSamplingType(1.0);
ts = AbcA::TimeSampling(tst, timeSamps);
tsid = a->addTimeSampling(ts);
AbcA::ScalarPropertyWriterPtr swp5 =
parent->createScalarProperty("defaultUniform", AbcA::MetaData(),
AbcA::DataType(Alembic::Util::kFloat32POD, 1), tsid);
Alembic::Util::float32_t f = 0;
swp5->setSample(&f);
f+=1.1;
swp5->setSample(&f);
f+=1.1;
swp5->setSample(&f);
f+=1.1;
swp5->setSample(&f);
}
{
A5::ReadArchive r;
AbcA::ArchiveReaderPtr a = r( archiveName );
AbcA::ObjectReaderPtr archive = a->getTop();
AbcA::CompoundPropertyReaderPtr parent = archive->getProperties();
TESTING_ASSERT(parent->getNumProperties() == 5);
for ( size_t i = 0; i < parent->getNumProperties(); ++i)
{
AbcA::BasePropertyReaderPtr bp = parent->getProperty( i );
AbcA::ScalarPropertyReaderPtr sp = bp->asScalarPtr();
const AbcA::TimeSamplingPtr t = sp->getTimeSampling();
switch (sp->getDataType().getPod())
{
case Alembic::Util::kInt16POD:
{
// identity
TESTING_ASSERT( t->getTimeSamplingType().isUniform() );
}
break;
case Alembic::Util::kUint16POD:
{
// acylic
TESTING_ASSERT( t->getSampleTime(0) == -17.0 );
TESTING_ASSERT( sp->getNumSamples() == 7);
TESTING_ASSERT( t->getTimeSamplingType().isAcyclic() );
TESTING_ASSERT( t->getSampleTime(1) == 32.0 );
TESTING_ASSERT( t->getSampleTime(2) == 50.0 );
TESTING_ASSERT( t->getSampleTime(3) == 60.2 );
TESTING_ASSERT( t->getSampleTime(4) == 101.1 );
TESTING_ASSERT( t->getSampleTime(5) == 700.0 );
TESTING_ASSERT( t->getSampleTime(6) == 747.0 );
TESTING_ASSERT_THROW( t->getSampleTime(7),
Alembic::Util::Exception);
}
break;
case Alembic::Util::kFloat32POD:
{
TESTING_ASSERT( sp->getNumSamples() == 4);
TESTING_ASSERT( t->getTimeSamplingType().isUniform() );
TESTING_ASSERT( t->getSampleTime(0) == 0.0 );
TESTING_ASSERT( t->getSampleTime(1) == 1.0 );
TESTING_ASSERT( t->getSampleTime(2) == 2.0 );
TESTING_ASSERT( t->getSampleTime(3) == 3.0 );
}
break;
case Alembic::Util::kInt32POD:
{
// uniform
TESTING_ASSERT( sp->getNumSamples() == 3);
TESTING_ASSERT( t->getTimeSamplingType().isUniform() );
TESTING_ASSERT( t->getSampleTime(0) == -4.0 );
TESTING_ASSERT( t->getSampleTime(1) == -1.0 );
TESTING_ASSERT( t->getSampleTime(2) == 2.0 );
}
break;
case Alembic::Util::kUint32POD:
{
// cyclic
TESTING_ASSERT( sp->getNumSamples() == 6);
TESTING_ASSERT( t->getTimeSamplingType().isCyclic() );
TESTING_ASSERT( t->getSampleTime(0) == 4.0 );
TESTING_ASSERT( t->getSampleTime(1) == 4.25 );
TESTING_ASSERT( t->getSampleTime(2) == 4.5 );
TESTING_ASSERT( t->getSampleTime(3) == 6.0 );
TESTING_ASSERT( t->getSampleTime(4) == 6.25 );
TESTING_ASSERT( t->getSampleTime(5) == 6.5 );
}
break;
default:
TESTING_ASSERT(false);
break;
}
} // for
}
}