CylinderFromSectorMFGrid Class Reference

#include <CylinderFromSectorMFGrid.h>

Inheritance diagram for CylinderFromSectorMFGrid:

Public Member Functions
	CylinderFromSectorMFGrid (const GloballyPositioned< float > &vol, double phiMin, double phiMax, MFGrid *sectorGrid)
virtual Dimensions	dimensions () const
virtual LocalPoint	fromGridFrame (double a, double b, double c) const
	find grid coordinates for point. For debugging and validation only. More...
virtual LocalPoint	nodePosition (int i, int j, int k) const
	Position of node in local frame. More...
virtual LocalVector	nodeValue (int i, int j, int k) const
	Field value at node. More...
virtual void	toGridFrame (const LocalPoint &p, double &a, double &b, double &c) const
	find grid coordinates for point. For debugging and validation only. More...
virtual LocalVector	valueInTesla (const LocalPoint &p) const
	Interpolated field value at given point. More...
	~CylinderFromSectorMFGrid ()
Public Member Functions inherited from MFGrid
virtual void	dump () const
const GloballyPositioned< float > &	frame () const
	Local reference frame. More...
virtual Indexes	index (const LocalPoint &p) const
	MFGrid (const GloballyPositioned< float > &vol)
virtual	~MFGrid ()
Public Member Functions inherited from MagneticFieldProvider< float >
virtual LocalVectorType	derivativeInTeslaPerMeter (const LocalPointType &p, int N) const
virtual int	hasDerivatives () const
virtual LocalVectorType	valueInTesla (const LocalPointType &p) const =0
virtual	~MagneticFieldProvider ()

Private Member Functions
void	throwUp (const char *message) const

Private Attributes
double	theDelta
double	thePhiMax
double	thePhiMin
MFGrid *	theSectorGrid

Additional Inherited Members
Public Types inherited from MFGrid
typedef GloballyPositioned < float >::GlobalPoint	GlobalPoint
typedef GloballyPositioned < float >::GlobalVector	GlobalVector
typedef GloballyPositioned < float >::LocalPoint	LocalPoint
typedef GloballyPositioned < float >::LocalVector	LocalVector
Public Types inherited from MagneticFieldProvider< float >
typedef Point3DBase< float, GlobalTag >	GlobalPointType
typedef Vector3DBase< float, GlobalTag >	GlobalVectorType
typedef Point3DBase< float, LocalTag >	LocalPointType
typedef Vector3DBase< float, LocalTag >	LocalVectorType

Detailed Description

Definition at line 7 of file CylinderFromSectorMFGrid.h.

Constructor & Destructor Documentation

CylinderFromSectorMFGrid::CylinderFromSectorMFGrid	(	const GloballyPositioned< float > &	vol,
		double	phiMin,
		double	phiMax,
		MFGrid *	sectorGrid
	)

Definition at line 5 of file CylinderFromSectorMFGrid.cc.

References Geom::pi(), theDelta, thePhiMax, and thePhiMin.

                                                :
  MFGrid(vol), thePhiMin(phiMin), thePhiMax(phiMax), theSectorGrid( sectorGrid)

{
   if (thePhiMax < thePhiMin) thePhiMax += 2.0*Geom::pi();
   theDelta = thePhiMax - thePhiMin;
}

CylinderFromSectorMFGrid::~CylinderFromSectorMFGrid

(

)

Definition at line 15 of file CylinderFromSectorMFGrid.cc.

References theSectorGrid.

{
  delete theSectorGrid;
}

Member Function Documentation

Dimensions CylinderFromSectorMFGrid::dimensions ( void  ) const

virtual

Implements MFGrid.

Definition at line 55 of file CylinderFromSectorMFGrid.cc.

References MFGrid::dimensions(), and theSectorGrid.

{return theSectorGrid->dimensions();}

MFGrid::LocalPoint CylinderFromSectorMFGrid::fromGridFrame ( double  a, double  b, double  c  ) const

virtual

find grid coordinates for point. For debugging and validation only.

Implements MFGrid.

Definition at line 49 of file CylinderFromSectorMFGrid.cc.

References throwUp().

{
  throwUp("Not implemented yet");
  return LocalPoint();
}

MFGrid::LocalPoint CylinderFromSectorMFGrid::nodePosition ( int  i, int  j, int  k  ) const

virtual

Position of node in local frame.

Implements MFGrid.

Definition at line 58 of file CylinderFromSectorMFGrid.cc.

References throwUp().

{
  throwUp("Not implemented yet");
  return LocalPoint();
}

MFGrid::LocalVector CylinderFromSectorMFGrid::nodeValue ( int  i, int  j, int  k  ) const

virtual

Field value at node.

Implements MFGrid.

Definition at line 64 of file CylinderFromSectorMFGrid.cc.

References throwUp().

{
  throwUp("Not implemented yet");
  return LocalVector();
}

void CylinderFromSectorMFGrid::throwUp ( const char *  message ) const

private

Definition at line 39 of file CylinderFromSectorMFGrid.cc.

References gather_cfg::cout.

Referenced by fromGridFrame(), nodePosition(), nodeValue(), and toGridFrame().

{
  std::cout << "Throwing exception " << message << std::endl;
  throw MagGeometryError(message);
}

void CylinderFromSectorMFGrid::toGridFrame ( const LocalPoint &  p, double &  a, double &  b, double &  c  ) const

virtual

find grid coordinates for point. For debugging and validation only.

Implements MFGrid.

Definition at line 44 of file CylinderFromSectorMFGrid.cc.

References throwUp().

{
  throwUp("Not implemented yet");
}

MFGrid::LocalVector CylinderFromSectorMFGrid::valueInTesla ( const LocalPoint &  p ) const

virtual

Interpolated field value at given point.

Implements MFGrid.

Definition at line 20 of file CylinderFromSectorMFGrid.cc.

References trackerHits::c, funct::cos(), phi, alignCSCRings::s, funct::sin(), theDelta, thePhiMin, theSectorGrid, tmp, and MFGrid::valueInTesla().

{
  double phi = p.phi();
  if (phi < thePhiMax && phi > thePhiMin) return theSectorGrid->valueInTesla(p);
  else {
    double phiRot = floor((phi-thePhiMin)/theDelta) * theDelta;
    double c = cos(phiRot);
    double s = sin(phiRot);
    double xrot =  p.x()*c + p.y()*s;
    double yrot = -p.x()*s + p.y()*c;

    // get field in interpolation sector 
    MFGrid::LocalVector tmp = theSectorGrid->valueInTesla( LocalPoint(xrot,yrot,p.z()));

    // rotate field back to original sector
    return MFGrid::LocalVector( tmp.x()*c - tmp.y()*s, tmp.x()*s + tmp.y()*c, tmp.z());
  }
}

Member Data Documentation

double CylinderFromSectorMFGrid::theDelta

private

Definition at line 33 of file CylinderFromSectorMFGrid.h.

Referenced by CylinderFromSectorMFGrid(), and valueInTesla().

double CylinderFromSectorMFGrid::thePhiMax

private

Definition at line 31 of file CylinderFromSectorMFGrid.h.

Referenced by CylinderFromSectorMFGrid().

double CylinderFromSectorMFGrid::thePhiMin

private

Definition at line 30 of file CylinderFromSectorMFGrid.h.

Referenced by CylinderFromSectorMFGrid(), and valueInTesla().

MFGrid* CylinderFromSectorMFGrid::theSectorGrid

private

Definition at line 32 of file CylinderFromSectorMFGrid.h.

Referenced by dimensions(), valueInTesla(), and ~CylinderFromSectorMFGrid().