TRT_EndcapDescriptor.cxx

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TRT_ReadoutGeometry/TRT_EndcapDescriptor.h"
 
#include "TrkSurfaces/CylinderBounds.h"
 
#include "CLHEP/Units/SystemOfUnits.h"
 
namespace InDetDD {
 
 
 
TRT_EndcapDescriptor::TRT_EndcapDescriptor():
  m_nStraws(0),
  m_strawPitch(0),
  m_startPhi(0),
  m_strawLength(0),
  m_innerRadius(0),
  m_innerTubeRadius(2*CLHEP::mm),  // FIXME: Hardwired for now!!
  m_f(nullptr),
  m_o(0),
  m_bounds()
{
}
 
void TRT_EndcapDescriptor::setStrawTransformField(const GeoXF::Function *xf, size_t offsetInto) {
  m_f=xf;
  m_o=offsetInto;
}
 
unsigned int  &TRT_EndcapDescriptor::nStraws() {
  return m_nStraws;
}
 
double & TRT_EndcapDescriptor::strawPitch() {
  return m_strawPitch;
}
 
double & TRT_EndcapDescriptor::startPhi() {
  return m_startPhi;
}
  
double & TRT_EndcapDescriptor::strawLength() {
  return m_strawLength;
}
  
double &  TRT_EndcapDescriptor::innerRadius() {
  return m_innerRadius;
}
 
const Trk::SurfaceBounds & 
TRT_EndcapDescriptor::strawBounds() const
{
  if (not m_bounds) m_bounds.set(std::make_unique<Trk::CylinderBounds>(m_innerTubeRadius, 0.5*m_strawLength));
  return *m_bounds;
}
 
}