Muon::NswClustering Namespace Reference

Functions
Amg::Vector3D	toLocal (const Trk::Surface &surf, const Amg::Vector3D &dir)
	Rotates a direction vector into a local frame: x-axis : Parallell to the radial direction of the detector centre y-axis : Pependicular to the x-axis in the transverse plane z-axis : Points to the big wheel. More...
Amg::Vector3D	toLocal (const MuonCluster &prd, const Amg::Vector3D &dir)
Amg::Vector3D	toLocal (const MuonCluster &prd)

Function Documentation

toLocal() [1/3]

Amg::Vector3D Muon::NswClustering::toLocal ( const MuonCluster &  prd )

inline

Definition at line 29 of file NswClusteringUtils.h.

                                                           {
            return toLocal(prd, prd.globalPosition().unit());
        }

toLocal() [2/3]

Amg::Vector3D Muon::NswClustering::toLocal ( const MuonCluster &  prd, const Amg::Vector3D &  dir  )

inline

Definition at line 26 of file NswClusteringUtils.h.

                                                                                 {
            return toLocal(prd.detectorElement()->surface(prd.identify()), dir);
        }

toLocal() [3/3]

Amg::Vector3D Muon::NswClustering::toLocal ( const Trk::Surface &  surf, const Amg::Vector3D &  dir  )

inline

Rotates a direction vector into a local frame: x-axis : Parallell to the radial direction of the detector centre y-axis : Pependicular to the x-axis in the transverse plane z-axis : Points to the big wheel.

Definition at line 21 of file NswClusteringUtils.h.

                                                                                  {
            Amg::Rotation3D rotMat{surf.transform().inverse().linear()};
            const Amg::Vector3D rotDir = rotMat * dir;
            return Amg::Vector3D{rotDir.x(), rotDir.y(), std::abs(rotDir.z())};
        }