PixelRecoUtilities::FieldAt0 Struct Reference

#include <PixelRecoUtilities.h>

Public Member Functions
	FieldAt0 (const edm::EventSetup &es)

Public Attributes
float	fieldInInvGev

Detailed Description

The magnetic field at 0,0,0

Definition at line 16 of file PixelRecoUtilities.h.

Constructor & Destructor Documentation

PixelRecoUtilities::FieldAt0::FieldAt0

(

const edm::EventSetup &

es

)

Definition at line 9 of file PixelRecoUtilities.cc.

References funct::abs(), f, fieldInInvGev, edm::EventSetup::get(), MagneticField::inTesla(), and PV3DBase< T, PVType, FrameType >::z().

                                            {
    edm::ESHandle<MagneticField> pSetup;
    es.get<IdealMagneticFieldRecord>().get(pSetup);
    fieldInInvGev = 1.f / std::abs(pSetup->inTesla(GlobalPoint(0, 0, 0)).z() * 2.99792458e-3f);
  }

Member Data Documentation

float PixelRecoUtilities::FieldAt0::fieldInInvGev

Definition at line 18 of file PixelRecoUtilities.h.

Referenced by PixelRecoUtilities::bendingRadius(), PixelRecoUtilities::curvature(), FieldAt0(), PixelRecoUtilities::fieldInInvGev(), and PixelRecoUtilities::inversePt().