GlobalDetRodRangeZPhi Class Reference

#include <GlobalDetRodRangeZPhi.h>

Public Types
typedef std::pair< float, float >	Range

Public Member Functions
	GlobalDetRodRangeZPhi (const Plane &RodPlane)
Range	phiRange () const
Range	zRange () const

Private Attributes
Range	thePhiRange
Range	theZRange

Detailed Description

Implementation class for PhiZMeasurementEstimator etc.

Definition at line 12 of file GlobalDetRodRangeZPhi.h.

Member Typedef Documentation

Range

typedef std::pair<float, float> GlobalDetRodRangeZPhi::Range

Definition at line 14 of file GlobalDetRodRangeZPhi.h.

Constructor & Destructor Documentation

GlobalDetRodRangeZPhi()

GlobalDetRodRangeZPhi::GlobalDetRodRangeZPhi

(

const Plane &

RodPlane

)

Definition at line 8 of file GlobalDetRodRangeZPhi.cc.

                                                               {
  float dx = plane.bounds().width() / 2.;
  float dy = plane.bounds().length() / 2.;
  float dz = plane.bounds().thickness() / 2.;
 
  // rods may be inverted (actually are in every other layer), so have to find out the
  // orientation of the local frame
  float deltaZ =
      (plane.toGlobal(LocalPoint(0, 0, -dz)).perp() < plane.toGlobal(LocalPoint(0, 0, dz)).perp()) ? -dz : dz;
 
  const std::array<Surface::GlobalPoint, 4> corners{{plane.toGlobal(LocalPoint(-dx, -dy, deltaZ)),
                                                     plane.toGlobal(LocalPoint(-dx, dy, deltaZ)),
                                                     plane.toGlobal(LocalPoint(dx, -dy, deltaZ)),
                                                     plane.toGlobal(LocalPoint(dx, dy, deltaZ))}};
 
  float phimin = corners[0].phi();
  float phimax = phimin;
 
  float zmin = corners[0].z();
  float zmax = zmin;
 
  for (const auto& corner : corners) {
    float phi = corner.phi();
    if (Geom::phiLess(phi, phimin))
      phimin = phi;
    if (Geom::phiLess(phimax, phi))
      phimax = phi;
 
    float z = corner.z();
    zmin = std::min(zmin, z);
    zmax = std::max(zmax, z);
  }
 
  theZRange.first = zmin;
  theZRange.second = zmax;
  thePhiRange.first = phimin;
  thePhiRange.second = phimax;
}

References Surface::bounds(), distTCMET_cfi::corner, PVValHelper::dx, PVValHelper::dy, PVValHelper::dz, Bounds::length(), SiStripPI::max, min(), PV3DBase< T, PVType, FrameType >::perp(), phi, Geom::phiLess(), phimax, phimin, thePhiRange, theZRange, Bounds::thickness(), Surface::toGlobal(), Bounds::width(), z, SiStripMonitorCluster_cfi::zmax, and SiStripMonitorCluster_cfi::zmin.

Member Function Documentation

phiRange()

Range GlobalDetRodRangeZPhi::phiRange ( ) const

inline

Definition at line 19 of file GlobalDetRodRangeZPhi.h.

{ return thePhiRange; }

References thePhiRange.

zRange()

Range GlobalDetRodRangeZPhi::zRange ( ) const

inline

Definition at line 18 of file GlobalDetRodRangeZPhi.h.

{ return theZRange; }

References theZRange.

Member Data Documentation

thePhiRange

Range GlobalDetRodRangeZPhi::thePhiRange

private

Definition at line 23 of file GlobalDetRodRangeZPhi.h.

Referenced by GlobalDetRodRangeZPhi(), and phiRange().

theZRange

Range GlobalDetRodRangeZPhi::theZRange

private

Definition at line 22 of file GlobalDetRodRangeZPhi.h.

Referenced by GlobalDetRodRangeZPhi(), and zRange().