VolumeBasedMagneticField Class Reference

#include <VolumeBasedMagneticField.h>

Inheritance diagram for VolumeBasedMagneticField:

List of all members.

Public Member Functions
virtual MagneticField *	clone () const
	Returns a shallow copy.
const MagVolume *	findVolume (const GlobalPoint &gp) const
GlobalVector	inTesla (const GlobalPoint &g) const
	Field value ad specified global point, in Tesla.
GlobalVector	inTeslaUnchecked (const GlobalPoint &g) const
bool	isDefined (const GlobalPoint &gp) const
	True if the point is within the region where the concrete field.
bool	isZSymmetric () const
	VolumeBasedMagneticField (const VolumeBasedMagneticField &vbf)
	Copy constructor implement a shallow copy (ie no ownership of actual engines)
	VolumeBasedMagneticField (const edm::ParameterSet &config, std::vector< MagBLayer * > theBLayers, std::vector< MagESector * > theESectors, std::vector< MagVolume6Faces * > theBVolumes, std::vector< MagVolume6Faces * > theEVolumes, float rMax, float zMax, const MagneticField *param=0, bool isParamFieldOwned=false)
virtual	~VolumeBasedMagneticField ()
Private Attributes
const MagGeometry *	field
bool	magGeomOwned
float	maxR
float	maxZ
const MagneticField *	paramField
bool	paramFieldOwned

---

Detailed Description

Field engine providing interpolation within the full CMS region.

Date:

2011/12/10 16:03:31

Revision:

1.10

Author:

N. Amapane - CERN

Definition at line 16 of file VolumeBasedMagneticField.h.

---

Constructor & Destructor Documentation

VolumeBasedMagneticField::VolumeBasedMagneticField	(	const edm::ParameterSet &	config,
		std::vector< MagBLayer * >	theBLayers,
		std::vector< MagESector * >	theESectors,
		std::vector< MagVolume6Faces * >	theBVolumes,
		std::vector< MagVolume6Faces * >	theEVolumes,
		float	rMax,
		float	zMax,
		const MagneticField *	param = 0,
		bool	isParamFieldOwned = false
	)

Definition at line 5 of file VolumeBasedMagneticField.cc.

Referenced by clone().

                                                                            : 
  field(new MagGeometry(config,theBLayers,theESectors,theBVolumes,theEVolumes)), 
  maxR(rMax),
  maxZ(zMax),
  paramField(param),
  magGeomOwned(true),
  paramFieldOwned(isParamFieldOwned)
{}

VolumeBasedMagneticField::~VolumeBasedMagneticField

(

)

[virtual]

Definition at line 38 of file VolumeBasedMagneticField.cc.

References field, magGeomOwned, paramField, and paramFieldOwned.

                                                   {
  if(magGeomOwned) delete field;
  if(paramFieldOwned) delete paramField;
}

VolumeBasedMagneticField::VolumeBasedMagneticField

(

const VolumeBasedMagneticField &

vbf

)

Copy constructor implement a shallow copy (ie no ownership of actual engines)

Definition at line 22 of file VolumeBasedMagneticField.cc.

                                                                                      : 
  field(vbf.field),
  maxR(vbf.maxR),
  maxZ(vbf.maxZ),
  paramField(vbf.paramField),
  magGeomOwned(false),
  paramFieldOwned(false) {
  // std::cout << "VolumeBasedMagneticField::clone() (shallow copy)" << std::endl;
}

---

Member Function Documentation

MagneticField * VolumeBasedMagneticField::clone

(

void

)

const [virtual]

Returns a shallow copy.

Reimplemented from MagneticField.

Definition at line 33 of file VolumeBasedMagneticField.cc.

References VolumeBasedMagneticField().

                                                     {
  return new VolumeBasedMagneticField(*this);
}

const MagVolume * VolumeBasedMagneticField::findVolume

(

const GlobalPoint &

gp

)

const

Definition at line 61 of file VolumeBasedMagneticField.cc.

References field, and MagGeometry::findVolume().

Referenced by NavPropagator::findVolume(), SteppingHelixPropagator::getNextState(), and SteppingHelixPropagator::loadState().

{
  return field->findVolume(gp);
}

GlobalVector VolumeBasedMagneticField::inTesla

(

const GlobalPoint &

gp

)

const [virtual]

Field value ad specified global point, in Tesla.

Implements MagneticField.

Definition at line 43 of file VolumeBasedMagneticField.cc.

References field, MagGeometry::fieldInTesla(), MagneticField::inTeslaUnchecked(), isDefined(), MagneticField::isDefined(), and paramField.

Referenced by IsolatedPixelTrackCandidateProducer::GetEtaPhiAtEcal().

                                                                           {

  // If parametrization of the inner region is available, use it.
  if (paramField && paramField->isDefined(gp)) return paramField->inTeslaUnchecked(gp);

  // If point is outside magfield map, return 0 field (not an error)
  if (!isDefined(gp))  return GlobalVector();

  return field->fieldInTesla(gp);
}

GlobalVector VolumeBasedMagneticField::inTeslaUnchecked

(

const GlobalPoint &

gp

)

const [virtual]

Optional implementation that derived classes can implement to provide faster query by skipping the check to isDefined.

Reimplemented from MagneticField.

Definition at line 54 of file VolumeBasedMagneticField.cc.

References field, MagGeometry::fieldInTesla(), MagneticField::inTeslaUnchecked(), MagneticField::isDefined(), and paramField.

                                                                                  {
  //same as above, but do not check range
  if (paramField && paramField->isDefined(gp)) return paramField->inTeslaUnchecked(gp);
  return field->fieldInTesla(gp);
}

bool VolumeBasedMagneticField::isDefined

(

const GlobalPoint &

gp

)

const [virtual]

True if the point is within the region where the concrete field.

Reimplemented from MagneticField.

Definition at line 67 of file VolumeBasedMagneticField.cc.

References maxR, maxZ, PV3DBase< T, PVType, FrameType >::perp(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by inTesla().

                                                                    {
  return (fabs(gp.z()) < maxZ && gp.perp() < maxR);
}

bool VolumeBasedMagneticField::isZSymmetric

(

)

const

Definition at line 72 of file VolumeBasedMagneticField.cc.

References field, and MagGeometry::isZSymmetric().

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), and SteppingHelixPropagator::refToMagVolume().

                                                  {
  return field->isZSymmetric();
}

---

Member Data Documentation

const MagGeometry* VolumeBasedMagneticField::field [private]

Definition at line 47 of file VolumeBasedMagneticField.h.

Referenced by findVolume(), inTesla(), inTeslaUnchecked(), isZSymmetric(), and ~VolumeBasedMagneticField().

bool VolumeBasedMagneticField::magGeomOwned [private]

Definition at line 51 of file VolumeBasedMagneticField.h.

Referenced by ~VolumeBasedMagneticField().

float VolumeBasedMagneticField::maxR [private]

Definition at line 48 of file VolumeBasedMagneticField.h.

Referenced by isDefined().

float VolumeBasedMagneticField::maxZ [private]

Definition at line 49 of file VolumeBasedMagneticField.h.

Referenced by isDefined().

const MagneticField* VolumeBasedMagneticField::paramField [private]

Definition at line 50 of file VolumeBasedMagneticField.h.

Referenced by inTesla(), inTeslaUnchecked(), and ~VolumeBasedMagneticField().

bool VolumeBasedMagneticField::paramFieldOwned [private]

Definition at line 52 of file VolumeBasedMagneticField.h.

Referenced by ~VolumeBasedMagneticField().