Method operator()

src/IECoreScene/MeshAlgoResample.cpp:108–143

	}

	template<typename From> ReturnType operator()( const From* data )
	{
		typename From::Ptr result = static_cast< From* >( Object::create( data->typeId() ).get() );
		typename From::ValueType &trg = result->writable();
		const typename From::ValueType &src = data->readable();

		size_t numVerts = m_mesh->variableSize( PrimitiveVariable::Vertex );
		std::vector<int> count( numVerts, 0 );
		trg.resize( numVerts, typename From::ValueType::value_type( 0.0f ) );

		typename From::ValueType::const_iterator srcIt = src.begin();
		std::vector<int>::const_iterator vId = m_mesh->vertexIds()->readable().begin();
		const std::vector<int> &verticesPerFace = m_mesh->verticesPerFace()->readable();
		for( std::vector<int>::const_iterator it = verticesPerFace.begin(); it < verticesPerFace.end(); ++it, ++srcIt )
		{
			Canceller::check( m_canceller );

			for( int j = 0; j < *it; ++j, ++vId )
			{
				trg[ *vId ] += *srcIt;
				++count[ *vId ];
			}
		}

		std::vector<int>::const_iterator cIt = count.begin();
		typename From::ValueType::iterator trgIt = trg.begin(), trgEnd = trg.end();
		for( trgIt = trg.begin(); trgIt != trgEnd ; ++trgIt, ++cIt )
		{
			*trgIt /= *cIt;
		}

		IECoreScene::PrimitiveVariableAlgos::GeometricInterpretationCopier<From> copier;
		copier( data, result.get() );

		return result;
	}

	const MeshPrimitive *m_mesh;
	const Canceller *m_canceller;