#include <TrapezoidalPlaneBounds.h>

Inheritance diagram for TrapezoidalPlaneBounds:

Public Member Functions
virtual Bounds *	clone () const
virtual bool	inside (const Local3DPoint &p) const
	Determine if the point is inside the bounds.
virtual bool	inside (const Local3DPoint &p, const LocalError &err, float scale) const
	Determine if a point is inside the bounds, taking error into account.
virtual bool	inside (const Local2DPoint &p, const LocalError &err, float scale) const
	Determine if a 2D point is inside the bounds, taking error into account.
virtual bool	inside (const Local2DPoint &p) const
virtual float	length () const
virtual const std::array < const float, 4 >	parameters () const
virtual float	thickness () const
	TrapezoidalPlaneBounds (float be, float te, float a, float t)
virtual float	width () const
virtual float	widthAtHalfLength () const
virtual int	yAxisOrientation () const
Private Attributes
float	hapothem
float	hbotedge
float	hthickness
float	htopedge
float	offset
float	tan_a

Detailed Description

Trapezoidal plane bounds. Local Coordinate system coincides with center of the box with Y axis being the symmetry axis along the height and pointing in the direction of top_edge.

Definition at line 16 of file TrapezoidalPlaneBounds.h.

Constructor & Destructor Documentation

TrapezoidalPlaneBounds::TrapezoidalPlaneBounds	(	float	be,
		float	te,
		float	a,
		float	t
	)

constructed from: half bottom edge (smaller side width) half top edge (larger side width) half apothem (distance from top to bottom sides, measured perpendicularly to them) half thickness

Definition at line 7 of file TrapezoidalPlaneBounds.cc.

References offset, and tan_a.

Referenced by clone().

                                                                  : 
  hbotedge(be), htopedge(te), hapothem(a), hthickness(t) {

  // pre-compute offset of triangle vertex and tg of (half) opening
  // angle of the trapezoid for faster inside() implementation.

  offset = a * (te+be) / (te-be);  // check sign if te < be !!! 
  tan_a = te / fabs(offset + a);
}

Member Function Documentation

Bounds * TrapezoidalPlaneBounds::clone ( void ) const [virtual]

Implements Bounds.

Reimplemented in CSCLayerGeometry.

Definition at line 49 of file TrapezoidalPlaneBounds.cc.

References TrapezoidalPlaneBounds().

                                            { 
  return new TrapezoidalPlaneBounds(*this);
}

bool TrapezoidalPlaneBounds::inside ( const Local2DPoint & p ) const [virtual]

Reimplemented from Bounds.

Reimplemented in CSCLayerGeometry.

Definition at line 25 of file TrapezoidalPlaneBounds.cc.

References hapothem, offset, tan_a, PV2DBase< T, PVType, FrameType >::x(), and PV2DBase< T, PVType, FrameType >::y().

Referenced by inside().

                                                                {
  return fabs(p.y()) < hapothem && 
    fabs(p.x())/fabs(p.y()+offset) < tan_a;
}

bool TrapezoidalPlaneBounds::inside	(	const Local2DPoint &	p,
		const LocalError &	err,
		float	scale
	)		const `[virtual]`

Determine if a 2D point is inside the bounds, taking error into account.

Reimplemented from Bounds.

Definition at line 45 of file TrapezoidalPlaneBounds.cc.

References inside().

                                                                                                    {
  return Bounds::inside(p,err,scale);
}

bool TrapezoidalPlaneBounds::inside	(	const Local3DPoint &	,
		const LocalError &	,
		float	scale
	)		const `[virtual]`

Determine if a point is inside the bounds, taking error into account.

Implements Bounds.

Reimplemented in CSCLayerGeometry.

Definition at line 36 of file TrapezoidalPlaneBounds.cc.

References hapothem, hbotedge, hthickness, htopedge, inside(), mathSSE::sqrt(), tmp, LocalError::xx(), and LocalError::yy().

                                                                               {
  TrapezoidalPlaneBounds tmp( hbotedge + sqrt(err.xx())*scale,
                              htopedge + sqrt(err.xx())*scale,
                              hapothem + sqrt(err.yy())*scale,
                              hthickness);
  return tmp.inside(p);
}

bool TrapezoidalPlaneBounds::inside ( const Local3DPoint & ) const [virtual]

Determine if the point is inside the bounds.

Implements Bounds.

Reimplemented in CSCLayerGeometry.

Definition at line 30 of file TrapezoidalPlaneBounds.cc.

References hapothem, hthickness, offset, tan_a, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                {
  return fabs(p.y()) < hapothem &&
    fabs(p.x())/fabs(p.y()+offset) < tan_a &&
    fabs(p.z()) < hthickness;
}

virtual float TrapezoidalPlaneBounds::length ( ) const [inline, virtual]

apothem (full, not half)

Implements Bounds.

Definition at line 30 of file TrapezoidalPlaneBounds.h.

References hapothem.

Referenced by CSCStripElectronicsSim::addCrosstalk(), SiStripMonitorMuonHLT::Normalizer(), operator<<(), CSCLayerGeometry::possibleRecHitPosition(), and CSCChamberSpecs::stripNoise().

{ return 2 * hapothem;}

const std::array< const float, 4 > TrapezoidalPlaneBounds::parameters ( void ) const [virtual]

returns the 4 parameters needed for construction, in the order ( half bottom edge, half top edge, half thickness, half apothem). Beware! This order is different from the one in the constructor!

Definition at line 55 of file TrapezoidalPlaneBounds.cc.

References hapothem, hbotedge, hthickness, and htopedge.

Referenced by CSCGeometryBuilder::buildChamber(), FWTGeoRecoGeometryESProducer::createShape(), CSCOfflineMonitor::doEfficiencies(), and CSCValidation::doEfficiencies().

                                                                        { 
  // Same order as geant3 for constructor compatibility
  std::array<const float, 4> vec { { hbotedge, htopedge, hthickness, hapothem } };
  return vec;
}

virtual float TrapezoidalPlaneBounds::thickness ( ) const [inline, virtual]

thickness (full, not half)

Implements Bounds.

Definition at line 36 of file TrapezoidalPlaneBounds.h.

References hthickness.

Referenced by CSCLayerGeometry::inside(), and operator<<().

{ return 2 * hthickness;}

virtual float TrapezoidalPlaneBounds::width ( ) const [inline, virtual]

largest width (full, not half)

Implements Bounds.

Definition at line 33 of file TrapezoidalPlaneBounds.h.

References hbotedge, htopedge, and max().

{ return 2 * std::max( hbotedge, htopedge);}

virtual float TrapezoidalPlaneBounds::widthAtHalfLength ( ) const [inline, virtual]

Width at half length. Useful for e.g. pitch definition.

Reimplemented from Bounds.

Definition at line 40 of file TrapezoidalPlaneBounds.h.

References hbotedge, and htopedge.

Referenced by SiStripMonitorMuonHLT::Normalizer().

{return hbotedge+htopedge;}

int TrapezoidalPlaneBounds::yAxisOrientation ( ) const [virtual]

Definition at line 19 of file TrapezoidalPlaneBounds.cc.

References hbotedge, and htopedge.

Referenced by StripTopologyBuilder::build().

                                                   {
  int yAx = 1;
  if(hbotedge>htopedge) yAx = -1;
  return yAx;
}

Member Data Documentation

float TrapezoidalPlaneBounds::hapothem [private]

Definition at line 64 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), length(), and parameters().

float TrapezoidalPlaneBounds::hbotedge [private]

Definition at line 62 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), parameters(), width(), widthAtHalfLength(), and yAxisOrientation().

float TrapezoidalPlaneBounds::hthickness [private]

Definition at line 65 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), parameters(), and thickness().

float TrapezoidalPlaneBounds::htopedge [private]

Definition at line 63 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), parameters(), width(), widthAtHalfLength(), and yAxisOrientation().

float TrapezoidalPlaneBounds::offset [private]

Definition at line 68 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), and TrapezoidalPlaneBounds().

float TrapezoidalPlaneBounds::tan_a [private]

Definition at line 69 of file TrapezoidalPlaneBounds.h.

Referenced by inside(), and TrapezoidalPlaneBounds().

TrapezoidalPlaneBounds Class Reference

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation