DDEcalEndcapTrap Class Reference

#include <DDEcalEndcapTrap.h>

Public Member Functions
void	calculateCentres ()
void	calculateCorners ()
DDTranslation	centrePos ()
DDTranslation	cornerPos (const int icorner)
void	cornerPos (const int icorner, const DDTranslation cc)
	DDEcalEndcapTrap (const int hand, const double front, const double rear, const double length)
double	elevationAngle (const DDTranslation trans)
double	elevationAngle ()
DDTranslation	fcentrePos ()
void	moveto (const DDTranslation frontCentre, const DDTranslation rearCentre)
double	polarAngle (const DDTranslation trans)
double	polarAngle ()
void	print ()
DDTranslation	rcentrePos ()
void	rotate (const DDRotationMatrix rot)
void	rotate (const DDTranslation frontCentre, const DDTranslation rearCentre)
void	rotateX (const double angle)
void	rotateY (const double angle)
DDRotationMatrix	rotation ()
void	translate (const DDTranslation trans)
void	translate ()

Private Member Functions
	DDEcalEndcapTrap ()

Private Attributes
double	m_centre [4]
double	m_corners [25]
double	m_fcentre [4]
double	m_front
int	m_hand
double	m_length
double	m_rcentre [4]
double	m_rear
DDRotationMatrix	m_rotation
DDTranslation	m_translation
int	m_update

Detailed Description

Definition at line 25 of file DDEcalEndcapTrap.h.

Constructor & Destructor Documentation

DDEcalEndcapTrap::DDEcalEndcapTrap	(	const int	hand,
		const double	front,
		const double	rear,
		const double	length
	)

Definition at line 5 of file DDEcalEndcapTrap.cc.

References calculateCentres(), prof2calltree::front, m_corners, m_front, m_hand, m_length, m_rear, and translate().

{
  //
  //  Initialise corners of supercrystal.

  // Start out with bottom surface on (x,z) plane, front face in (x,y) plane.

  double xsign;

  if (hand==2) {
   xsign = -1.;
  } else {
    xsign = 1.;
  }

  m_hand = hand;
  m_front = front;
  m_rear = rear;
  m_length = length;

  int icorner;
  icorner = 1;
  m_corners[3*icorner-3] = xsign*front;
  m_corners[3*icorner-2] = front;
  m_corners[3*icorner-1] = 0.;
  icorner = 2;
  m_corners[3*icorner-3] = xsign*front;
  m_corners[3*icorner-2] = 0.;
  m_corners[3*icorner-1] = 0.;
  icorner = 3;
  m_corners[3*icorner-3] = 0.;
  m_corners[3*icorner-2] = 0.;
  m_corners[3*icorner-1] = 0.;
  icorner = 4;
  m_corners[3*icorner-3] = 0.;
  m_corners[3*icorner-2] = front;
  m_corners[3*icorner-1] = 0.;

  icorner = 5;
  m_corners[3*icorner-3] = xsign*rear;
  m_corners[3*icorner-2] = rear;
  m_corners[3*icorner-1] = length;
  icorner = 6;
  m_corners[3*icorner-3] = xsign*rear;
  m_corners[3*icorner-2] = 0.;
  m_corners[3*icorner-1] = length;
  icorner = 7;
  m_corners[3*icorner-3] = 0.;
  m_corners[3*icorner-2] = 0.;
  m_corners[3*icorner-1] = length;
  icorner = 8;
  m_corners[3*icorner-3] = 0.;
  m_corners[3*icorner-2] = rear;
  m_corners[3*icorner-1] = length;
  
  calculateCentres();

  // Move centre of SC to (0,0,0)

  translate();

  // Rotate into standard position (face centres on z axis)

  //  this->rotate();

  calculateCentres();
}

DDEcalEndcapTrap::DDEcalEndcapTrap ( )

private

Member Function Documentation

void DDEcalEndcapTrap::calculateCentres

(

)

Definition at line 194 of file DDEcalEndcapTrap.cc.

References m_centre, m_corners, m_fcentre, and m_rcentre.

Referenced by DDEcalEndcapTrap(), rotate(), and translate().

{
  //
  //  Calculate crystal centre and front & rear face centres
  //

  int ixyz, icorner;

  for (ixyz = 0; ixyz <3; ixyz++) 
  {
    m_centre[ixyz] = 0;
    m_fcentre[ixyz] = 0;
    m_rcentre[ixyz] = 0;
  }

  for (icorner=1; icorner<=4; icorner++) 
  {
    for (ixyz=0; ixyz<3; ixyz++) {
       m_centre[ixyz] = m_centre[ixyz] + 0.125*m_corners[3*icorner-3+ixyz];
       m_fcentre[ixyz] = m_fcentre[ixyz] + 0.25*m_corners[3*icorner-3+ixyz];
    }
  }
  for (icorner=5; icorner<=8; icorner++) {
    for (ixyz=0; ixyz<3; ixyz++) {
       m_centre[ixyz] = m_centre[ixyz] + 0.125*m_corners[3*icorner-3+ixyz];
       m_rcentre[ixyz] = m_rcentre[ixyz] +  0.25*m_corners[3*icorner-3+ixyz];
    }
  }
}

void DDEcalEndcapTrap::calculateCorners

(

)

DDTranslation DDEcalEndcapTrap::centrePos

(

)

Definition at line 251 of file DDEcalEndcapTrap.cc.

References m_centre.

Referenced by DDEcalEndcapAlgo::EEPositionCRs(), DDEcalEndcapAlgo::execute(), moveto(), print(), and translate().

{
  //
  //  Return SC centre as a DDTranslation
  //
   return DDTranslation(m_centre[0], m_centre[1], m_centre[2]);
}

DDTranslation DDEcalEndcapTrap::cornerPos

(

const int

icorner

)

Definition at line 225 of file DDEcalEndcapTrap.cc.

References m_corners.

Referenced by print(), rotate(), and translate().

{
  //
  //  Return specified corner as a DDTranslation
  //
  return DDTranslation( m_corners[3*icorner-3],
            m_corners[3*icorner-2],
            m_corners[3*icorner-1]  );
}

void DDEcalEndcapTrap::cornerPos	(	const int	icorner,
		const DDTranslation	cc
	)

Definition at line 236 of file DDEcalEndcapTrap.cc.

References m_corners.

{
  //
  //  Save position of specified corner.
  //
  for (int ixyz=0; ixyz<3; ixyz++) 
  {
     m_corners[3*icorner-3+ixyz] = ( 0==ixyz ? cornerxyz.x() :
                     ( 1==ixyz ? cornerxyz.y() :
                       cornerxyz.z() ) ) ;;
  }
}

double DDEcalEndcapTrap::elevationAngle

(

const DDTranslation

trans

)

Definition at line 282 of file DDEcalEndcapTrap.cc.

{
  //
  //  Return elevation angle (out of x-z plane) of a given translation (seen as a vector from the origin).
  //
  double sintheta = trans.y()/trans.r();
  return asin(sintheta);
}

double DDEcalEndcapTrap::elevationAngle

(

)

Definition at line 292 of file DDEcalEndcapTrap.cc.

References cond::rpcobimon::current, fcentrePos(), and rcentrePos().

Referenced by moveto().

{
  //
  //  Return elevation angle (out of x-z plane) of SC in current position.
  //
  DDTranslation current = fcentrePos() - rcentrePos();
  return elevationAngle(current);
}

DDTranslation DDEcalEndcapTrap::fcentrePos

(

)

Definition at line 260 of file DDEcalEndcapTrap.cc.

References m_fcentre.

Referenced by elevationAngle(), polarAngle(), and print().

{
  //
  //  Return SC front face centre as a DDTranslation
  //
   return DDTranslation( m_fcentre[0], 
             m_fcentre[1], 
             m_fcentre[2]  ) ;
}

void DDEcalEndcapTrap::moveto	(	const DDTranslation	frontCentre,
		const DDTranslation	rearCentre
	)

Definition at line 140 of file DDEcalEndcapTrap.cc.

References centrePos(), elevationAngle(), polarAngle(), rotateX(), rotateY(), and translate().

Referenced by DDEcalEndcapAlgo::EEPositionCRs(), and DDEcalEndcapAlgo::execute().

{
  //
  //  Rotate (about X then about Y) and translate supercrystal to bring axis joining front and rear face centres parallel to line connecting specified points
  //

  //  Get azimuthal and polar angles of current axis and target axis
  double currentTheta = elevationAngle();
  double currentPhi   = polarAngle();
  double targetTheta  = elevationAngle(frontCentre-rearCentre);
  double targetPhi    = polarAngle(frontCentre-rearCentre);

  //  Rotate to correct angle (X then Y)
  // edm::LogInfo("EcalGeom") << "moveto: frontCentre " << frontCentre << std::endl;
  // edm::LogInfo("EcalGeom") << "moveto: rearCentre  " << rearCentre << std::endl;
  // edm::LogInfo("EcalGeom") << "moveto: X rotation: " << targetTheta << " " << currentTheta << " " << targetTheta-currentTheta << std::endl;
  // edm::LogInfo("EcalGeom") << "moveto: Y rotation: " << targetPhi << " " << currentPhi << " " << " " << targetPhi-currentPhi << std::endl;
  rotateX(targetTheta-currentTheta);
  rotateY(targetPhi-currentPhi);

  //  Translate SC to final position
  DDTranslation targetCentre = 0.5*(frontCentre + rearCentre);
  // edm::LogInfo("EcalGeom") << "moveto: translation " << targetCentre-centrePos() << std::endl;
  translate(targetCentre-centrePos());
}

double DDEcalEndcapTrap::polarAngle

(

const DDTranslation

trans

)

Definition at line 302 of file DDEcalEndcapTrap.cc.

{
  //
  //  Return polar angle (from x to z) of a given translation (seen as a vector from the origin).
  //
  double tanphi = trans.x()/trans.z();
  return atan(tanphi);
}

double DDEcalEndcapTrap::polarAngle

(

)

Definition at line 312 of file DDEcalEndcapTrap.cc.

References cond::rpcobimon::current, fcentrePos(), and rcentrePos().

Referenced by moveto().

{
  //
  //  Return elevation angle (out of x-z plane) of SC in current position.
  //
  DDTranslation current = fcentrePos() - rcentrePos();
  return polarAngle(current);
}

void DDEcalEndcapTrap::print

(

void

)

Definition at line 322 of file DDEcalEndcapTrap.cc.

References centrePos(), cornerPos(), fcentrePos(), and rcentrePos().

{
  //
  //  Print SC coordinates for debugging
  //
  edm::LogInfo("EcalGeom") << "Endcap supercrystal" << std::endl;
   for (int ic=1; ic<=8; ic++) 
   {
      DDTranslation cc = cornerPos(ic);
      edm::LogInfo("EcalGeom") << "Corner " << ic << " " << cc << std::endl;
   }
   edm::LogInfo("EcalGeom") << "    Centre " << centrePos() << std::endl;
   edm::LogInfo("EcalGeom") << "   fCentre " << fcentrePos() << std::endl;
   edm::LogInfo("EcalGeom") << "   rCentre " << rcentrePos() << std::endl;
}

DDTranslation DDEcalEndcapTrap::rcentrePos

(

)

Definition at line 271 of file DDEcalEndcapTrap.cc.

References m_rcentre.

Referenced by elevationAngle(), polarAngle(), and print().

{
  //
  //  Return SC rear face centre as a DDTranslation
  //
  return DDTranslation( m_rcentre[0], 
            m_rcentre[1], 
            m_rcentre[2]  );
}

void DDEcalEndcapTrap::rotate

(

const DDRotationMatrix

rot

)

Definition at line 95 of file DDEcalEndcapTrap.cc.

References calculateCentres(), cornerPos(), and m_rotation.

Referenced by rotateX(), and rotateY().

{
  //
  //  Rotate supercrystal by specified rotation about (0,0,0)
  //

  int icorner;
  DDTranslation cc;
  //  edm::LogInfo("EcalGeom") << "DDEcalEndcapTrap::rotate - rotation " << rot << std::endl;
  for (icorner=1; icorner<=8; icorner++) {
     cc = cornerPos(icorner);
     //     edm::LogInfo("EcalGeom") << "   Corner (orig) " << icorner << cc << std::endl;
     cc = rot*cc;
     //     edm::LogInfo("EcalGeom") << "   Corner (rot)  " << icorner << cc << std::endl;
     cornerPos(icorner,cc);
  }
  m_rotation = rot*m_rotation;
  calculateCentres();
}

void DDEcalEndcapTrap::rotate	(	const DDTranslation	frontCentre,
		const DDTranslation	rearCentre
	)

Definition at line 85 of file DDEcalEndcapTrap.cc.

{
  //
  //  Rotate supercrystal to bring front and rear face centres to specified points
  //
  edm::LogInfo("EcalGeom") << "DDEcalEndcapTrap::rotate(DDTranslation,DDTranslation) - not yet implemented" << std::endl;
}

void DDEcalEndcapTrap::rotateX

(

const double

angle

)

Definition at line 168 of file DDEcalEndcapTrap.cc.

References rotate(), and tmp.

Referenced by moveto().

{
  //
  //  Rotate SC through given angle about X axis
  //

   const CLHEP::HepRotation tmp ( CLHEP::Hep3Vector(1.,0.,0.), angle ) ;

   rotate( DDRotationMatrix( tmp.xx(), tmp.xy(), tmp.xz(),
                 tmp.yx(), tmp.yy(), tmp.yz(),
                 tmp.zx(), tmp.zy(), tmp.zz()  ) );
}

void DDEcalEndcapTrap::rotateY

(

const double

angle

)

Definition at line 182 of file DDEcalEndcapTrap.cc.

References rotate(), and tmp.

Referenced by moveto().

{
   //
   //  Rotate SC through given angle about Y axis
   //
   const CLHEP::HepRotation tmp ( CLHEP::Hep3Vector(0.,1.,0.), angle ) ;

   rotate( DDRotationMatrix( tmp.xx(), tmp.xy(), tmp.xz(),
                 tmp.yx(), tmp.yy(), tmp.yz(),
                 tmp.zx(), tmp.zy(), tmp.zz()  ) );
}

DDRotationMatrix DDEcalEndcapTrap::rotation ( void  )

inline

Definition at line 59 of file DDEcalEndcapTrap.h.

References m_rotation.

Referenced by DDEcalEndcapAlgo::EEPositionCRs(), and DDEcalEndcapAlgo::execute().

{return m_rotation;}

void DDEcalEndcapTrap::translate

(

const DDTranslation

trans

)

Definition at line 123 of file DDEcalEndcapTrap.cc.

References calculateCentres(), cornerPos(), and m_translation.

Referenced by DDEcalEndcapAlgo::execute().

{
  //
  //  Translate supercrystal by specified amount
  //

  DDTranslation tcorner;
  for (int icorner=1; icorner<=8; icorner++) 
  {
    tcorner = cornerPos(icorner) + trans;
    cornerPos(icorner,tcorner);
  }
  calculateCentres();
  m_translation = trans + m_translation;
}

void DDEcalEndcapTrap::translate

(

)

Definition at line 116 of file DDEcalEndcapTrap.cc.

References centrePos().

Referenced by DDEcalEndcapTrap(), and moveto().

{
  //  edm::LogInfo("EcalGeom") << "DDEcalEndcapTrap::translate() not yet implemented" << std::endl;
   translate(-1.*centrePos());
}

Member Data Documentation

double DDEcalEndcapTrap::m_centre[4]

private

Definition at line 73 of file DDEcalEndcapTrap.h.

Referenced by calculateCentres(), and centrePos().

double DDEcalEndcapTrap::m_corners[25]

private

Definition at line 76 of file DDEcalEndcapTrap.h.

Referenced by calculateCentres(), cornerPos(), and DDEcalEndcapTrap().

double DDEcalEndcapTrap::m_fcentre[4]

private

Definition at line 74 of file DDEcalEndcapTrap.h.

Referenced by calculateCentres(), and fcentrePos().

double DDEcalEndcapTrap::m_front

private

Definition at line 66 of file DDEcalEndcapTrap.h.

Referenced by DDEcalEndcapTrap().

int DDEcalEndcapTrap::m_hand

private

Definition at line 69 of file DDEcalEndcapTrap.h.

Referenced by DDEcalEndcapTrap().

double DDEcalEndcapTrap::m_length

private

Definition at line 68 of file DDEcalEndcapTrap.h.

Referenced by DDEcalEndcapTrap().

double DDEcalEndcapTrap::m_rcentre[4]

private

Definition at line 75 of file DDEcalEndcapTrap.h.

Referenced by calculateCentres(), and rcentrePos().

double DDEcalEndcapTrap::m_rear

private

Definition at line 67 of file DDEcalEndcapTrap.h.

Referenced by DDEcalEndcapTrap().

DDRotationMatrix DDEcalEndcapTrap::m_rotation

private

Definition at line 70 of file DDEcalEndcapTrap.h.

Referenced by rotate(), and rotation().

DDTranslation DDEcalEndcapTrap::m_translation

private

Definition at line 71 of file DDEcalEndcapTrap.h.

Referenced by translate().

int DDEcalEndcapTrap::m_update

private

Definition at line 78 of file DDEcalEndcapTrap.h.