int ID = myElementIDFactory->GetFreeID();
SMDS_MeshVolume * v =
SMDS_Mesh::AddVolumeWithID(n1, n2, n3, n4, n5, n6, n12, n23, n31,
int ID = myElementIDFactory->GetFreeID();
SMDS_MeshVolume * v =
SMDS_Mesh::AddVolumeWithID(n1, n2, n3, n4, n5, n6, n12, n23, n31,