void PrimitiveReader::readGeomParam( const T ¶m, const Alembic::Abc::ISampleSelector &sampleSelector, IECoreScene::Primitive *primitive ) const
{
typedef typename T::prop_type::sample_ptr_type SamplePtr;
typedef typename IGeomParamTraits<T>::DataType DataType;
typedef typename T::sample_type GeomParamSample;
if( param.getArrayExtent() > 1 )
{
IECore::msg( IECore::Msg::Warning, "FromAlembicGeomBaseConverter::convertArbGeomParam", boost::format( "Param \"%s\" has unsupported array extent" ) % param.getHeader().getName() );
return;
}
SamplePtr sample;
Abc::UInt32ArraySamplePtr indices;
if( param.isIndexed() )
{
GeomParamSample geomParamSample = param.getIndexedValue( sampleSelector );
sample = geomParamSample.getVals();
indices = geomParamSample.getIndices();
}
else
{
sample = param.getExpandedValue( sampleSelector ).getVals();
}
typename DataType::Ptr data = new DataType();
data->writable().resize( sample->size() );
std::copy( sample->get(), sample->get() + sample->size(), data->writable().begin() );
ApplyGeometricInterpretation<DataType, T>::apply( data.get() );
PrimitiveVariable pv;
pv.interpolation = interpolation( param.getScope() );
pv.data = data;
if( param.isIndexed() )
{
IntVectorDataPtr indexData = new IntVectorData();
indexData->writable().resize( indices->size() );
std::copy( indices->get(), indices->get() + indices->size(), indexData->writable().begin() );
pv.indices = indexData;
}
primitive->variables[param.getHeader().getName()] = pv;
}
//-*****************************************************************************
void IXformSchema::init( const Abc::Argument &iArg0,
const Abc::Argument &iArg1 )
{
ALEMBIC_ABC_SAFE_CALL_BEGIN( "IXformSchema::init()" );
Abc::Arguments args;
iArg0.setInto( args );
iArg1.setInto( args );
AbcA::CompoundPropertyReaderPtr ptr = this->getPtr();
if ( ptr->getPropertyHeader( ".childBnds" ) )
{
m_childBoundsProperty = Abc::IBox3dProperty( ptr, ".childBnds",
iArg0, iArg1 );
}
if ( ptr->getPropertyHeader( ".inherits" ) )
{
m_inheritsProperty = Abc::IBoolProperty( ptr, ".inherits",
iArg0, iArg1 );
}
AbcA::ScalarPropertyReaderPtr ops = ptr->getScalarProperty( ".ops" );
m_useArrayProp = false;
const AbcA::PropertyHeader *valsPH = ptr->getPropertyHeader( ".vals" );
if ( valsPH != NULL )
{
if ( valsPH->isScalar() )
{
m_valsProperty = ptr->getScalarProperty( valsPH->getName() );
}
else
{
m_useArrayProp = true;
m_valsProperty = ptr->getArrayProperty( valsPH->getName() );
}
}
m_isConstantIdentity = true;
if ( ptr->getPropertyHeader( "isNotConstantIdentity" ) )
{
// that it's here at all means we're not constant identity.
m_isConstantIdentity = false;
}
m_isConstant = true;
if ( m_valsProperty )
{
if ( m_useArrayProp )
{ m_isConstant = m_valsProperty->asArrayPtr()->isConstant(); }
else
{ m_isConstant = m_valsProperty->asScalarPtr()->isConstant(); }
}
m_isConstant = m_isConstant && ( !m_inheritsProperty ||
m_inheritsProperty.isConstant() );
std::set < Alembic::Util::uint32_t > animChannels;
if ( ptr->getPropertyHeader( ".animChans" ) )
{
Abc::IUInt32ArrayProperty p( ptr, ".animChans" );
if ( p.getNumSamples() > 0 )
{
Abc::UInt32ArraySamplePtr animSamp;
p.get( animSamp, p.getNumSamples() - 1 );
for ( std::size_t i = 0; i < animSamp->size(); ++i )
{
animChannels.insert( (*animSamp)[i] );
}
}
}
if ( ops && ops->getNumSamples() > 0 )
{
std::size_t numOps = ops->getHeader().getDataType().getExtent();
std::vector<Alembic::Util::uint8_t> opVec( numOps );
ops->getSample( 0, &(opVec.front()) );
for ( std::size_t i = 0; i < numOps; ++i )
{
XformOp op( opVec[i] );
m_sample.addOp( op );
}
std::set < Alembic::Util::uint32_t >::iterator it, itEnd;
std::vector< XformOp >::iterator op = m_sample.m_ops.begin();
std::vector< XformOp >::iterator opEnd = m_sample.m_ops.end();
std::size_t curChan = 0;
std::size_t chanPos = 0;
for ( it = animChannels.begin(), itEnd = animChannels.end();
it != itEnd; ++it )
{
Alembic::Util::uint32_t animChan = *it;
while ( op != opEnd )
{
std::size_t numChans = op->getNumChannels();
bool foundChan = false;
while ( curChan < numChans )
{
if ( animChan == chanPos )
{
op->m_animChannels.insert( curChan );
foundChan = true;
break;
}
++curChan;
++chanPos;
}
// move on to the next animChan, because we found the current one
if ( foundChan == true )
{
++curChan;
++chanPos;
break;
}
++op;
curChan = 0;
}
}
}
if ( ptr->getPropertyHeader( ".arbGeomParams" ) != NULL )
{
m_arbGeomParams = Abc::ICompoundProperty( ptr, ".arbGeomParams",
args.getErrorHandlerPolicy()
);
}
if ( ptr->getPropertyHeader( ".userProperties" ) != NULL )
{
m_userProperties = Abc::ICompoundProperty( ptr, ".userProperties",
args.getErrorHandlerPolicy()
);
}
ALEMBIC_ABC_SAFE_CALL_END_RESET();
}