#include <GlobalDetRangeZPhi.h>

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

Public Member Functions
	GlobalDetRangeZPhi (const BoundPlane &det)

Range	phiRange () const

Range	zRange () const

Private Attributes
Range	thePhiRange

Range	theZRange

Detailed Description

Implementation class for PhiZMeasurementEstimator etc.

Definition at line 11 of file GlobalDetRangeZPhi.h.

Member Typedef Documentation

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

Definition at line 14 of file GlobalDetRangeZPhi.h.

Constructor & Destructor Documentation

GlobalDetRangeZPhi::GlobalDetRangeZPhi ( const BoundPlane & det )

Definition at line 11 of file GlobalDetRangeZPhi.cc.

References BoundSurface::bounds(), i, Bounds::length(), phi, PV3DBase< T, PVType, FrameType >::phi(), Surface::toGlobal(), Bounds::width(), and detailsBasic3DVector::z.

                                                                {
 
   float dx = plane.bounds().width()/2.;
   float dy = plane.bounds().length()/2.;
 
   vector<Surface::GlobalPoint> corners(4);
   corners[0] = plane.toGlobal( LocalPoint( -dx, -dy, 0));
   corners[1] = plane.toGlobal( LocalPoint( -dx,  dy, 0));
   corners[2] = plane.toGlobal( LocalPoint(  dx, -dy, 0));
   corners[3] = plane.toGlobal( LocalPoint(  dx,  dy, 0));
 
   float phimin = corners[0].phi();  float phimax = phimin;
   float zmin   = corners[0].z();    float zmax   = zmin;
   for ( int i=1; i<4; i++) {
     float phi = corners[i].phi();
     if ( PhiLess()( phi, phimin)) phimin = phi;
     if ( PhiLess()( phimax, phi)) phimax = phi;
 
     float z = corners[i].z();
     if ( z < zmin) zmin = z;
     if ( z > zmax) zmax = z;
   }
 
   theZRange.first    = zmin;
   theZRange.second   = zmax;
   thePhiRange.first  = phimin;
   thePhiRange.second = phimax;
 
 }