w->SetFileDimensionality(bbGetInputIn()->GetDataDimension()); // NTU
std::string userGivenName = bbGetInputFilename();
if (userGivenName.substr(userGivenName.size()-4) != ".mhd") //JPR
w->SetFileDimensionality(bbGetInputIn()->GetDataDimension()); // NTU
std::string userGivenName = bbGetInputFilename();
if (userGivenName.substr(userGivenName.size()-4) != ".mhd") //JPR