CMSSW Reference Manual

List of all members.


Public Member Functions
virtual Bounds *	clone () const
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 Local3DPoint &p, const LocalError &err, float scale) const
	Determine if a point is inside the bounds, taking error into account.
virtual bool	inside (const Local3DPoint &p) const
	Determine if the point is inside the bounds.
virtual bool	inside (const Local2DPoint &p) const
virtual float	length () const
	apothem (full, not half)
virtual const std::vector< float >	parameters () const
	returns the 4 parameters needed for construction, in the order ( half bottom edge, half top edge, half thickness, half apothem).
virtual float	thickness () const
	thickness (full, not half)
	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
virtual float	width () const
	largest width (full, not half)
virtual float	widthAtHalfLength () const
	Width at half length.
virtual int	yAxisOrientation () const
Private Attributes
float	hapothem
float	hbotedge
float	hthickness
float	htopedge
float	offset
float	tan_a

Detailed Description

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.

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().

00008                                                                   : 
00009   hbotedge(be), htopedge(te), hapothem(a), hthickness(t) {
00010 
00011   // pre-compute offset of triangle vertex and tg of (half) opening
00012   // angle of the trapezoid for faster inside() implementation.
00013 
00014   offset = a * (te+be) / (te-be);  // check sign if te < be !!! 
00015   tan_a = te / fabs(offset + a);
00016 }

Member Function Documentation

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

Implements Bounds.

Reimplemented in CSCLayerGeometry.

Definition at line 49 of file TrapezoidalPlaneBounds.cc.

References TrapezoidalPlaneBounds().

00049                                             { 
00050   return new TrapezoidalPlaneBounds(*this);
00051 }

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 Bounds::inside().

00045                                                                                                     {
00046   return Bounds::inside(p,err,scale);
00047 }

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.

Definition at line 36 of file TrapezoidalPlaneBounds.cc.

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

00037                                                                                {
00038   TrapezoidalPlaneBounds tmp( hbotedge + sqrt(err.xx())*scale,
00039                               htopedge + sqrt(err.xx())*scale,
00040                               hapothem + sqrt(err.yy())*scale,
00041                               hthickness);
00042   return tmp.inside(p);
00043 }

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

Determine if the point is inside the bounds.

Implements Bounds.

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().

00030                                                                 {
00031   return fabs(p.y()) < hapothem &&
00032     fabs(p.x())/fabs(p.y()+offset) < tan_a &&
00033     fabs(p.z()) < hthickness;
00034 }

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

Reimplemented from Bounds.

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 CSCWireHitSim::getIonizationClusters(), and inside().

00025                                                                 {
00026   return fabs(p.y()) < hapothem && 
00027     fabs(p.x())/fabs(p.y()+offset) < tan_a;
00028 }

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(), CSCLayerGeometry::CSCLayerGeometry(), CSCMake2DRecHit::isHitInFiducial(), CSCLayerGeometry::possibleRecHitPosition(), CSCChamberSpecs::stripNoise(), VisCSCStripDigiTwig::update(), VisCSCCorrelatedLCTDigiTwig::update(), VisCSCComparatorDigiTwig::update(), and VisCSCCLCTDigiTwig::update().

00030 { return 2 * hapothem;}

const std::vector< float > 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 VisEventSetup::addCorners(), VisEventSetupService::addWafer(), VisTrackingGeometry::addWafer(), CSCEfficiency::analyze(), CSCGeometryBuilderFromDDD::buildChamber(), VisEventSetup::buildTracker(), CSCEfficiency::CalculateEfficiencies(), CSCValidation::doEfficiencies(), VisCSCChamberDrawer::getOutline(), VisCSCStripDigiTwig::update(), VisRPCDigiTwig::update(), and VisCSCWireDigiTwig::update().

00055                                                                 { 
00056   std::vector<float> vec(4);
00057   // Same order as geant3 for constructor compatibility
00058   vec[0] = hbotedge;
00059   vec[1] = htopedge;
00060   vec[3] = hapothem;
00061   vec[2] = hthickness;
00062   return vec;
00063 }

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

thickness (full, not half)

Implements Bounds.

Definition at line 36 of file TrapezoidalPlaneBounds.h.

References hthickness.

00036 { 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.

Referenced by CSCLayerGeometry::CSCLayerGeometry(), and VisCSCComparatorDigiTwig::update().

00033 { 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 CSCLayerGeometry::CSCLayerGeometry().

00040 {return hbotedge+htopedge;}

int TrapezoidalPlaneBounds::yAxisOrientation ( ) const [virtual]

Definition at line 19 of file TrapezoidalPlaneBounds.cc.

References hbotedge, and htopedge.

00019                                                    {
00020   int yAx = 1;
00021   if(hbotedge>htopedge) yAx = -1;
00022   return yAx;
00023 }

TrapezoidalPlaneBounds Class Reference

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation