nearline Namespace Reference

Classes
class	NearlineAna
class	TPCHits

Functions
void	BuildTPCChannelMap (std::string channelMapFile, std::map< int, int > &channelMap)

Function Documentation

void nearline::BuildTPCChannelMap	(	std::string	channelMapFile,
		std::map< int, int > &	channelMap
	)

Builds TPC channel map from the map txt file

Definition at line 741 of file NearlineAna_module.cc.

                                                                                       {

  /// Builds TPC channel map from the map txt file

  channelMap.clear();

  int onlineChannel;
  int offlineChannel;

  std::string fullname;
  cet::search_path sp("FW_SEARCH_PATH");
  sp.find_file(channelMapFile, fullname);

  if (fullname.empty())
    mf::LogWarning("DAQToOffline") << "Input TPC channel map file " << channelMapFile << " not found in FW_SEARCH_PATH.  Using online channel numbers!" << std::endl;

  else {
    mf::LogVerbatim("DAQToOffline") << "Build TPC Online->Offline channel Map from " << fullname;
    std::ifstream infile(fullname);
    while (infile.good()) {
      infile >> onlineChannel >> offlineChannel;
      channelMap.insert(std::make_pair(onlineChannel,offlineChannel));
      mf::LogVerbatim("DAQToOffline") << "   " << onlineChannel << " -> " << offlineChannel;
    }
    std::cout << "channelMap has size " << channelMap.size() << ". If this is 2048, then it's fine even if the above lines skipped a 'few' channels..." << std::endl;
  }

}