LArSoft  v09_90_00
Liquid Argon Software toolkit - https://larsoft.org/
PhotonMappingIdentityTransformations.cxx
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1 
11 // LArSoft libraries
12 #include "larsim/PhotonPropagation/LibraryMappingTools/PhotonMappingIdentityTransformations.h"
13 
14 #include <numeric> // std::iota()
15 
16 //------------------------------------------------------------------------------
17 phot::IPhotonMappingTransformations::LibraryIndexToOpDetMap
18 phot::PhotonMappingIdentityTransformations::makeLibraryIndicesToOpDetsMap() const
19 {
20 
21  auto const nOpDets = fGeom->NOpDets();
22 
23  LibraryIndexToOpDetMap map(nOpDets);
24  std::iota(map.begin(), map.end(), 0);
25 
26  return map;
27 } // phot::PhotonMappingIdentityTransformations::makeLibraryIndicesToOpDetsMap()
28 
29 //------------------------------------------------------------------------------
30 phot::IPhotonMappingTransformations::OpDetToLibraryIndexMap
31 phot::PhotonMappingIdentityTransformations::makeOpDetsToLibraryIndicesMap() const
32 {
33 
34  auto const nOpDets = fGeom->NOpDets();
35 
36  OpDetToLibraryIndexMap map(nOpDets);
37  std::iota(map.begin(), map.end(), 0);
38 
39  return map;
40 } // phot::PhotonMappingIdentityTransformations::makeOpDetsToLibraryIndicesMap()
41 
42 //------------------------------------------------------------------------------
phot::PhotonMappingIdentityTransformations::makeOpDetsToLibraryIndicesMap
OpDetToLibraryIndexMap makeOpDetsToLibraryIndicesMap() const
Return a trivial library index mapping.
Definition: PhotonMappingIdentityTransformations.cxx:31
phot::PhotonMappingIdentityTransformations::fGeom
geo::GeometryCore const * fGeom
Detector geometry service provider.
Definition: PhotonMappingIdentityTransformations.h:187
phot::PhotonMappingIdentityTransformations::makeLibraryIndicesToOpDetsMap
LibraryIndexToOpDetMap makeLibraryIndicesToOpDetsMap() const
Return a trivial global optical detector identifier mapping.
Definition: PhotonMappingIdentityTransformations.cxx:18
phot::IPhotonMappingTransformations::LibraryIndexToOpDetMap
std::vector< OpDetID_t > LibraryIndexToOpDetMap
Type describing the mapping of optical detectors into library indices.
Definition: IPhotonMappingTransformations.h:139
geo::GeometryCore::NOpDets
unsigned int NOpDets() const
Number of OpDets in the whole detector.
Definition: GeometryCore.cxx:229
PhotonMappingIdentityTransformations.h
A photon mapping identity transformation.
phot::IPhotonMappingTransformations::OpDetToLibraryIndexMap
std::vector< LibraryIndex_t > OpDetToLibraryIndexMap
Type describing the mapping of library indices into optical detectors.
Definition: IPhotonMappingTransformations.h:157