Anp::FillTrackGeom Class Reference

#include <FillTrackGeom.h>

Inheritance diagram for Anp::FillTrackGeom:

List of all members.

Public Member Functions
	FillTrackGeom ()
virtual	~FillTrackGeom ()
bool	Run (Record &record)
Private Member Functions
void	Fill (Track &track) const

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Constructor & Destructor Documentation

Anp::FillTrackGeom::FillTrackGeom (   )

Definition at line 20 of file FillTrackGeom.cxx. { }

Anp::FillTrackGeom::~FillTrackGeom (   )  [virtual]

Definition at line 25 of file FillTrackGeom.cxx. { }

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Member Function Documentation

void Anp::FillTrackGeom::Fill (  Track &  track  )  const [private]

Definition at line 41 of file FillTrackGeom.cxx. References Anp::Track::Add(), Anp::angle(), Anp::Vertex::CosX(), Anp::Vertex::CosY(), Anp::Vertex::CosZ(), Anp::Track::ErrorQP(), Anp::Track::GetBegVtx(), Anp::Track::GetEndVtx(), Anp::Track::KeyExists(), Anp::Track::Pass(), Anp::Track::QP(), Anp::Vertex::X(), Anp::Vertex::Y(), and Anp::Vertex::Z(). Referenced by Run(). { const double x_vtx = track.GetBegVtx().X(); const double y_vtx = track.GetBegVtx().Y(); const double z_vtx = track.GetBegVtx().Z(); const double x_end = track.GetEndVtx().X(); const double y_end = track.GetEndVtx().Y(); const double z_end = track.GetEndVtx().Z(); const double cosx_vtx = track.GetBegVtx().CosX(); const double cosy_vtx = track.GetBegVtx().CosY(); // transform all x,y coordinates into the new coordinates const double xy_angle_vtx = Anp::angle(x_vtx, y_vtx); const double rot_x_vtx = x_vtx * std::cos(xy_angle_vtx) + y_vtx * std::sin(xy_angle_vtx); const double rot_y_vtx = -x_vtx * std::sin(xy_angle_vtx) + y_vtx * std::cos(xy_angle_vtx); const double rot_x_end = x_end * std::cos(xy_angle_vtx) + y_end * std::sin(xy_angle_vtx); const double rot_y_end = -x_end * std::sin(xy_angle_vtx) + y_end * std::cos(xy_angle_vtx); const double x_rel = rot_x_end - rot_x_vtx; const double y_rel = rot_y_end - rot_y_vtx; const double z_rel = z_end - z_vtx; // determine angles of track's end relative to vtx // in new coordinates - xy plane if(!track.KeyExists(104)) { track.Add(104, Anp::angle(x_rel, y_rel)); } // difference between hit and projected straight line from vtx if(track.GetBegVtx().CosZ() > 0.0) { const double t_end = z_rel/track.GetBegVtx().CosZ(); const double x_proj = cosx_vtx * t_end + x_vtx; const double y_proj = cosy_vtx * t_end + y_vtx; const double x_proj_rot = x_proj * std::cos(xy_angle_vtx) + y_proj * std::sin(xy_angle_vtx); const double y_proj_rot = -x_proj * std::sin(xy_angle_vtx) + y_proj * std::cos(xy_angle_vtx); const double x_proj_diff = rot_x_end - x_proj_rot; const double y_proj_diff = rot_y_end - y_proj_rot; const double proj_xy_angle = Anp::angle(x_proj_diff, y_proj_diff); const double proj_distance = std::sqrt(x_proj_diff*x_proj_diff + y_proj_diff*y_proj_diff); if(!track.KeyExists(108)) { track.Add(108, proj_xy_angle); } if(!track.KeyExists(109)) { track.Add(109, x_proj_diff); } if(!track.KeyExists(110)) { track.Add(110, y_proj_diff); } if(!track.KeyExists(111)) { track.Add(111, proj_distance); } } // // Add standard track variables for convienience // if(track.Pass() && track.ErrorQP() > 0.0) { if(!track.KeyExists(120)) track.Add(120, track.ErrorQP()); if(!track.KeyExists(121)) track.Add(121, track.QP()); if(!track.KeyExists(122)) track.Add(122, track.QP()/track.ErrorQP()); } }

bool Anp::FillTrackGeom::Run (  Record &  record  )  [virtual]

Implements Anp::AlgSnarl. Definition at line 30 of file FillTrackGeom.cxx. References Fill(), Anp::Record::TrackBegIterator(), Anp::Record::TrackEndIterator(), and Anp::TrackIterator. { for(TrackIterator it = record.TrackBegIterator(); it != record.TrackEndIterator(); ++it) { Fill(*it); } return true; }

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The documentation for this class was generated from the following files:

• FillTrackGeom.h
• FillTrackGeom.cxx

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