void readUInt32ArrayProperty(const std::string &archiveName)
{
// Open an existing archive for reading. Indicate that we want
// Alembic to throw exceptions on errors.
std::cout << "Reading " << archiveName << std::endl;
IArchive archive( Alembic::AbcCoreHDF5::ReadArchive(),
archiveName, ErrorHandler::kThrowPolicy );
IObject archiveTop = archive.getTop();
// Determine the number of (top level) children the archive has
const unsigned int numChildren = archiveTop.getNumChildren();
ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 1)");
std::cout << "The archive has " << numChildren << " children:"
<< std::endl;
// Iterate through them, print out their names
IObject child( archiveTop, archiveTop.getChildHeader(0).getName() );
std::cout << " named '" << child.getName() << "'";
// Properties
ICompoundProperty props = child.getProperties();
size_t numProperties = props.getNumProperties(); // only top-level props
ABCA_ASSERT( numProperties == 1,
"Expected 1 property, found " << numProperties);
std::cout << " with one property";
std::vector<std::string> propNames(1);
propNames[0] = props.getPropertyHeader(0).getName();
std::cout << " named '" << propNames[0] << "'" << std::endl;
PropertyType pType = props.getPropertyHeader(0).getPropertyType();
ABCA_ASSERT( pType == kArrayProperty,
"Expected an array property, but didn't find one" );
std::cout << " which is an array property";
DataType dType = props.getPropertyHeader(0).getDataType();
ABCA_ASSERT( dType.getPod() == kUint32POD,
"Expected an unsigned int (kUint32POD) property, but didn't"
" find one" );
// We know this is an array property (I'm eliding the if/else
// statements required to recognize and handle this properly)
IUInt32ArrayProperty primes( props, propNames[0] );
size_t numSamples = primes.getNumSamples();
std::cout << ".. it has " << numSamples << " samples" << std::endl;
ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples );
const TimeSampling ts = primes.getTimeSampling();
std::cout << "..with time/value pairs: " << std::endl;;
for (int ss=0; ss<numSamples; ss++)
{
std::cout << " ";
ISampleSelector iss( (index_t) ss);
std::cout << ts.getSampleTime( (index_t) ss ) << " / ";
UInt32ArraySamplePtr samplePtr;
primes.get( samplePtr, iss );
std::cout << "[ ";
size_t numPoints = samplePtr->size();
for ( size_t jj=0 ; jj<numPoints ; jj++ )
std::cout << (*samplePtr)[jj] << " ";
std::cout << "]" << std::endl;
// ASSERT that we are reading the correct values
for ( size_t jj=0 ; jj<numPoints ; jj++ )
ABCA_ASSERT( (*samplePtr)[jj] == g_primes[jj],
"Incorrect value read from archive." );
}
std::cout << std::endl;
// Done - the archive closes itself
}
void readUInt32ArrayProperty(const std::string &archiveName, bool useOgawa)
{
// Open an existing archive for reading. Indicate that we want
// Alembic to throw exceptions on errors.
std::cout << "Reading " << archiveName << std::endl;
AbcF::IFactory factory;
factory.setPolicy( ErrorHandler::kThrowPolicy );
AbcF::IFactory::CoreType coreType;
IArchive archive = factory.getArchive(archiveName, coreType);
TESTING_ASSERT( (useOgawa && coreType == AbcF::IFactory::kOgawa) ||
(!useOgawa && coreType == AbcF::IFactory::kHDF5) );
IObject archiveTop = archive.getTop();
// Determine the number of (top level) children the archive has
const unsigned int numChildren = archiveTop.getNumChildren();
ABCA_ASSERT( numChildren == 1, "Wrong number of children (expected 1)");
std::cout << "The archive has " << numChildren << " children:"
<< std::endl;
// Iterate through them, print out their names
IObject child( archiveTop, archiveTop.getChildHeader(0).getName() );
std::cout << " named '" << child.getName() << "'";
// Properties
ICompoundProperty props = child.getProperties();
size_t numProperties = props.getNumProperties(); // only top-level props
ABCA_ASSERT( numProperties == 1,
"Expected 1 property, found " << numProperties);
std::cout << " with one property";
std::vector<std::string> propNames(1);
propNames[0] = props.getPropertyHeader(0).getName();
std::cout << " named '" << propNames[0] << "'" << std::endl;
PropertyType pType = props.getPropertyHeader(0).getPropertyType();
ABCA_ASSERT( pType == kArrayProperty,
"Expected an array property, but didn't find one" );
std::cout << " which is an array property";
DataType dType = props.getPropertyHeader(0).getDataType();
ABCA_ASSERT( dType.getPod() == kUint32POD,
"Expected an unsigned int (kUint32POD) property, but didn't"
" find one" );
// We know this is an array property (I'm eliding the if/else
// statements required to recognize and handle this properly)
IUInt32ArrayProperty primes( props, propNames[0] );
size_t numSamples = primes.getNumSamples();
std::cout << ".. it has " << numSamples << " samples" << std::endl;
ABCA_ASSERT( numSamples == 5, "Expected 5 samples, found " << numSamples );
const TimeSamplingPtr ts = primes.getTimeSampling();
std::cout << "..with time/value pairs: " << std::endl;;
for (unsigned int ss=0; ss<numSamples; ss++)
{
std::cout << " ";
ISampleSelector iss( (index_t) ss);
std::cout << ts->getSampleTime( (index_t) ss ) << " / ";
UInt32ArraySamplePtr samplePtr;
primes.get( samplePtr, iss );
std::cout << "[ ";
size_t numPoints = samplePtr->size();
for ( size_t jj=0 ; jj<numPoints ; jj++ )
std::cout << (*samplePtr)[jj] << " ";
std::cout << "]" << std::endl;
// ASSERT that we are reading the correct values
for ( size_t jj=0 ; jj<numPoints ; jj++ )
ABCA_ASSERT( (*samplePtr)[jj] == g_primes[jj],
"Incorrect value read from archive." );
std::vector< Alembic::Util::uint32_t > uintPrimes( numPoints );
primes.getAs( &uintPrimes.front(), iss );
for ( size_t jj=0 ; jj<numPoints ; jj++ )
ABCA_ASSERT( uintPrimes[jj] == g_primes[jj],
"Incorrect value via getAs from archive." );
std::vector< Alembic::Util::int16_t > shortPrimes( numPoints );
primes.getAs( &shortPrimes.front(), AbcA::kInt16POD, iss );
for ( size_t jj=0 ; jj<numPoints ; jj++ )
ABCA_ASSERT( ( unsigned int ) shortPrimes[jj] == g_primes[jj],
"Incorrect value via getAs(POD) from archive." );
}
std::cout << std::endl;
ABCA_ASSERT(
archive.getMaxNumSamplesForTimeSamplingIndex(1) == (index_t) numSamples,
"Incorrect number of max samples in readUInt32ArrayProperty");
double start, end;
GetArchiveStartAndEndTime( archive, start, end );
TESTING_ASSERT( almostEqual(start, 123.0) );
TESTING_ASSERT( almostEqual(end, 123.0 + 4.0 / 24.0) );
// Done - the archive closes itself
}