13#include <unordered_map>
Helper class which provides the Collimation Length for SANS instruments.
std::unordered_map< specnum_t, size_t > spec2index_map
Map with key = spectrum number, value = workspace index.
std::unordered_map< detid_t, std::set< detid_t > > det2group_map
Map single det ID of group to its members.
std::unordered_map< detid_t, size_t > detid2index_map
Map with key = detector ID, value = workspace index.