The torus is defined by its axial radius, its inner and outer radius.

It may have a phirange:

TGeoTorus(Double_t R,Double_t Rmin,Double_t Rmax,Double_t Phi1,

Double_t Dphi);

R

TGeoTorus::TGeoTorus

TGeoTorus()

Default constructor.

Definition TGeoTorus.cxx:66

double

R: axial radius of the torus
Rmin: inner radius
Rmax: outer radius
Phi1: starting phi angle
Dphi: total phi range

Definition at line 17 of file TGeoTorus.h.

Public Member Functions
	TGeoTorus ()
	Default constructor.

	TGeoTorus (const char *name, Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360)
	Constructor with name.

	TGeoTorus (Double_t *params)
	Constructor based on an array of parameters.

	TGeoTorus (Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360)
	Constructor without name.

	~TGeoTorus () override

Double_t	Capacity () const override
	Computes capacity of the shape in [length^3].

void	ComputeBBox () override
	Compute bounding box of the torus.

void	ComputeNormal (const Double_t point, const Double_t dir, Double_t *norm) override
	Compute normal to closest surface from POINT.

void	ComputeNormal_v (const Double_t points, const Double_t dirs, Double_t *norms, Int_t vecsize) override
	Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coordinates and directions + vector size Output: Array of normal directions.

Bool_t	Contains (const Double_t *point) const override
	Test if point is inside the torus.

void	Contains_v (const Double_t points, Bool_t inside, Int_t vecsize) const override
	Check the inside status for each of the points in the array.

Double_t	Daxis (const Double_t pt, const Double_t dir, Double_t t) const
	Computes distance to axis of the torus from point pt + t*dir;.

Double_t	DDaxis (const Double_t pt, const Double_t dir, Double_t t) const
	Computes derivative w.r.t. t of the distance to axis of the torus from point pt + t*dir;.

Double_t	DDDaxis (const Double_t pt, const Double_t dir, Double_t t) const
	Second derivative of distance to torus axis w.r.t t.

Int_t	DistancetoPrimitive (Int_t px, Int_t py) override
	Compute closest distance from point px,py to each vertex.

Double_t	DistFromInside (const Double_t point, const Double_t dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=nullptr) const override
	Compute distance from inside point to surface of the torus.

void	DistFromInside_v (const Double_t points, const Double_t dirs, Double_t dists, Int_t vecsize, Double_t step) const override
	Compute distance from array of input points having directions specified by dirs. Store output in dists.

Double_t	DistFromOutside (const Double_t point, const Double_t dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=nullptr) const override
	Compute distance from outside point to surface of the torus.

void	DistFromOutside_v (const Double_t points, const Double_t dirs, Double_t dists, Int_t vecsize, Double_t step) const override
	Compute distance from array of input points having directions specified by dirs. Store output in dists.

TGeoVolume *	Divide (TGeoVolume voldiv, const char divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override
	Divide this torus shape belonging to volume "voldiv" into ndiv volumes called divname, from start position with the given step.

const char *	GetAxisName (Int_t iaxis) const override
	Returns name of axis IAXIS.

Double_t	GetAxisRange (Int_t iaxis, Double_t &xlo, Double_t &xhi) const override
	Get range of shape for a given axis.

void	GetBoundingCylinder (Double_t *param) const override
	Fill vector param[4] with the bounding cylinder parameters.

const TBuffer3D &	GetBuffer3D (Int_t reqSections, Bool_t localFrame) const override
	Fills a static 3D buffer and returns a reference.

Int_t	GetByteCount () const override

Double_t	GetDphi () const

TGeoShape *	GetMakeRuntimeShape (TGeoShape mother, TGeoMatrix mat) const override
	Create a shape fitting the mother.

void	GetMeshNumbers (Int_t &nvert, Int_t &nsegs, Int_t &npols) const override
	Returns numbers of vertices, segments and polygons composing the shape mesh.

Int_t	GetNmeshVertices () const override
	Return number of vertices of the mesh representation.

Double_t	GetPhi1 () const

Bool_t	GetPointsOnSegments (Int_t, Double_t *) const override
	Fills array with n random points located on the line segments of the shape mesh.

Double_t	GetR () const

Double_t	GetRmax () const

Double_t	GetRmin () const

void	InspectShape () const override
	print shape parameters

TClass *	IsA () const override

Bool_t	IsCylType () const override

TBuffer3D *	MakeBuffer3D () const override
	Creates a TBuffer3D describing this shape.

Double_t	Safety (const Double_t *point, Bool_t in=kTRUE) const override
	computes the closest distance from given point to this shape, according to option.

void	Safety_v (const Double_t points, const Bool_t inside, Double_t *safe, Int_t vecsize) const override
	Compute safe distance from each of the points in the input array.

void	SavePrimitive (std::ostream &out, Option_t *option="") override
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetDimensions (Double_t *param) override
	Set torus dimensions starting from a list.

void	SetPoints (Double_t *points) const override
	Create torus mesh points.

void	SetPoints (Float_t *points) const override
	Create torus mesh points.

void	SetSegsAndPols (TBuffer3D &buff) const override
	Fill TBuffer3D structure for segments and polygons.

void	SetTorusDimensions (Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi)
	Set torus dimensions.

void	Sizeof3D () const override
	fill size of this 3-D object

Int_t	SolveCubic (Double_t a, Double_t b, Double_t c, Double_t *x) const
	Find real solutions of the cubic equation : x^3 + ax^2 + bx + c = 0 Input: a,b,c Output: x[3] real solutions Returns number of real solutions (1 or 3)

Int_t	SolveQuartic (Double_t a, Double_t b, Double_t c, Double_t d, Double_t *x) const
	Find real solutions of the quartic equation : x^4 + ax^3 + bx^2 + c*x + d = 0 Input: a,b,c,d Output: x[4] - real solutions Returns number of real solutions (0 to 3)

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Double_t	ToBoundary (const Double_t pt, const Double_t dir, Double_t r, Bool_t in) const
	Returns distance to the surface or the torus (fR,r) from a point, along a direction.

Public Member Functions inherited from TGeoBBox
	TGeoBBox ()
	Default constructor.

	TGeoBBox (const char name, Double_t dx, Double_t dy, Double_t dz, Double_t origin=nullptr)
	Constructor with shape name.

	TGeoBBox (Double_t *param)
	Constructor based on the array of parameters.

	TGeoBBox (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=nullptr)
	Constructor where half-lengths are provided.

	~TGeoBBox () override
	Destructor.

Bool_t	CouldBeCrossed (const Double_t point, const Double_t dir) const override
	Decides fast if the bounding box could be crossed by a vector.

virtual Double_t	GetDX () const

virtual Double_t	GetDY () const

virtual Double_t	GetDZ () const

virtual Double_t	GetFacetArea (Int_t index=0) const
	Get area in internal units of the facet with a given index.

Int_t	GetFittingBox (const TGeoBBox parambox, TGeoMatrix mat, Double_t &dx, Double_t &dy, Double_t &dz) const override
	Fills real parameters of a positioned box inside this one. Returns 0 if successful.

virtual const Double_t *	GetOrigin () const

virtual Bool_t	GetPointsOnFacet (Int_t index, Int_t npoints, Double_t *array) const
	Fills array with n random points located on the surface of indexed facet.

virtual Bool_t	IsNullBox () const

Bool_t	IsValidBox () const override

void	SetBoxDimensions (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=nullptr)
	Set parameters of the box.

void	SetBoxPoints (Double_t *points) const
	Fill box vertices to an array.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TGeoShape
	TGeoShape ()
	Default constructor.

	TGeoShape (const char *name)
	Default constructor.

	~TGeoShape () override
	Destructor.

virtual void	AfterStreamer ()

void	CheckShape (Int_t testNo, Int_t nsamples=10000, Option_t *option="")
	Test for shape navigation methods.

virtual void	ClearThreadData () const

virtual void	CreateThreadData (Int_t)

void	Draw (Option_t *option="") override
	Draw this shape.

void	ExecuteEvent (Int_t event, Int_t px, Int_t py) override
	Execute mouse actions on this shape.

Int_t	GetId () const

const char *	GetName () const override
	Get the shape name.

const char *	GetPointerName () const
	Provide a pointer name containing uid.

void	InvertShapeBit (UInt_t f)

virtual Bool_t	IsAssembly () const

virtual Bool_t	IsComposite () const

virtual Bool_t	IsReflected () const

Bool_t	IsRunTimeShape () const

Bool_t	IsValid () const

virtual Bool_t	IsVecGeom () const

void	Paint (Option_t *option="") override
	Paint this shape.

void	ResetShapeBit (UInt_t f)

void	SetId (Int_t id)

void	SetRuntime (Bool_t flag=kTRUE)

void	SetShapeBit (UInt_t f)

void	SetShapeBit (UInt_t f, Bool_t set)
	Equivalent of TObject::SetBit.

Int_t	ShapeDistancetoPrimitive (Int_t numpoints, Int_t px, Int_t py) const
	Returns distance to shape primitive mesh.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Bool_t	TestShapeBit (UInt_t f) const

Int_t	TestShapeBits (UInt_t f) const

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").

TObject *	Clone (const char *newname="") const override
	Make a clone of an object using the Streamer facility.

Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.

void	Copy (TObject &named) const override
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

ULong_t	Hash () const override
	Return hash value for this object.

TClass *	IsA () const override

Bool_t	IsSortable () const override

void	ls (Option_t *option="") const override
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

void	Print (Option_t *option="") const override
	Print TNamed name and title.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TGeoBBox
static Bool_t	AreOverlapping (const TGeoBBox box1, const TGeoMatrix mat1, const TGeoBBox box2, const TGeoMatrix mat2) R__DEPRECATED(6
	Check if 2 positioned boxes overlap.

static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static Bool_t	Contains (const Double_t point, Double_t dx, Double_t dy, Double_t dz, const Double_t origin)
	Static method to check if point[3] is located inside a box of having dx, dy, dz as half-lengths.

static const char *	DeclFileName ()

static Double_t	DistFromInside (const Double_t point, const Double_t dir, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big())
	Compute distance from inside point to surface of the box.

static Double_t	DistFromOutside (const Double_t point, const Double_t dir, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big())
	Compute distance from outside point to surface of the box.

Static Public Member Functions inherited from TGeoShape
static Double_t	Big ()

static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static Double_t	ComputeEpsMch ()
	Compute machine round-off double precision error as the smallest number that if added to 1.0 is different than 1.0.

static const char *	DeclFileName ()

static Double_t	DistToPhiMin (const Double_t point, const Double_t dir, Double_t s1, Double_t c1, Double_t s2, Double_t c2, Double_t sm, Double_t cm, Bool_t in=kTRUE)
	compute distance from point (inside phi) to both phi planes. Return minimum.

static Double_t	EpsMch ()
	static function returning the machine round-off error

static TGeoMatrix *	GetTransform ()
	Returns current transformation matrix that applies to shape.

static Bool_t	IsCloseToPhi (Double_t epsil, const Double_t *point, Double_t c1, Double_t s1, Double_t c2, Double_t s2)
	True if point is closer than epsil to one of the phi planes defined by c1,s1 or c2,s2.

static Bool_t	IsCrossingSemiplane (const Double_t point, const Double_t dir, Double_t cphi, Double_t sphi, Double_t &snext, Double_t &rxy)
	Compute distance from POINT to semiplane defined by PHI angle along DIR.

static Bool_t	IsInPhiRange (const Double_t *point, Double_t phi1, Double_t phi2)
	Static method to check if a point is in the phi range (phi1, phi2) [degrees].

static Bool_t	IsSameWithinTolerance (Double_t a, Double_t b)
	Check if two numbers differ with less than a tolerance.

static Bool_t	IsSegCrossing (Double_t x1, Double_t y1, Double_t x2, Double_t y2, Double_t x3, Double_t y3, Double_t x4, Double_t y4)
	Check if segments (A,B) and (C,D) are crossing, where: A(x1,y1), B(x2,y2), C(x3,y3), D(x4,y4)

static void	NormalPhi (const Double_t point, const Double_t dir, Double_t *norm, Double_t c1, Double_t s1, Double_t c2, Double_t s2)
	Static method to compute normal to phi planes.

static Double_t	SafetyPhi (const Double_t *point, Bool_t in, Double_t phi1, Double_t phi2)
	Static method to compute safety w.r.t a phi corner defined by cosines/sines of the angles phi1, phi2.

static Double_t	SafetySeg (Double_t r, Double_t z, Double_t r1, Double_t z1, Double_t r2, Double_t z2, Bool_t outer)
	Compute distance from point of coordinates (r,z) to segment (r1,z1):(r2,z2)

static void	SetTransform (TGeoMatrix *matrix)
	Set current transformation matrix that applies to shape.

static Double_t	Tolerance ()

Static Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Member Functions
	TGeoTorus (const TGeoTorus &)=delete

TGeoTorus &	operator= (const TGeoTorus &)=delete

Protected Member Functions inherited from TGeoBBox
	TGeoBBox (const TGeoBBox &)=delete

void	FillBuffer3D (TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const override
	Fills the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections, frame etc.

TGeoBBox &	operator= (const TGeoBBox &)=delete

Protected Member Functions inherited from TGeoShape
Int_t	GetBasicColor () const
	Get the basic color (0-7).

void	SetOnBoundary (Bool_t)

void	TransformPoints (Double_t *points, UInt_t NbPoints) const
	Tranform a set of points (LocalToMaster)

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes
Double_t	fDphi

Double_t	fPhi1

Double_t	fR

Double_t	fRmax

Double_t	fRmin

Protected Attributes inherited from TGeoBBox
Double_t	fDX

Double_t	fDY

Double_t	fDZ

Double_t	fOrigin [3]

Protected Attributes inherited from TGeoShape
UInt_t	fShapeBits

Int_t	fShapeId

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Additional Inherited Members
Public Types inherited from TGeoShape
enum	EShapeType { kBitMask32 = 0xffffffff , kGeoNoShape = 0 , kGeoBad = (1ULL << ( 0 )) , kGeoRSeg = (1ULL << ( 1 )) , kGeoPhiSeg = (1ULL << ( 2 )) , kGeoThetaSeg = (1ULL << ( 3 )) , kGeoVisX = (1ULL << ( 4 )) , kGeoVisY = (1ULL << ( 5 )) , kGeoVisZ = (1ULL << ( 6 )) , kGeoRunTimeShape = (1ULL << ( 7 )) , kGeoInvalidShape = (1ULL << ( 8 )) , kGeoTorus = (1ULL << ( 9 )) , kGeoBox = (1ULL << ( 10 )) , kGeoPara = (1ULL << ( 11 )) , kGeoSph = (1ULL << ( 12 )) , kGeoTube = (1ULL << ( 13 )) , kGeoTubeSeg = (1ULL << ( 14 )) , kGeoCone = (1ULL << ( 15 )) , kGeoConeSeg = (1ULL << ( 16 )) , kGeoPcon = (1ULL << ( 17 )) , kGeoPgon = (1ULL << ( 18 )) , kGeoArb8 = (1ULL << ( 19 )) , kGeoEltu = (1ULL << ( 20 )) , kGeoTrap = (1ULL << ( 21 )) , kGeoCtub = (1ULL << ( 22 )) , kGeoTrd1 = (1ULL << ( 23 )) , kGeoTrd2 = (1ULL << ( 24 )) , kGeoComb = (1ULL << ( 25 )) , kGeoClosedShape = (1ULL << ( 26 )) , kGeoXtru = (1ULL << ( 27 )) , kGeoParaboloid = (1ULL << ( 28 )) , kGeoHalfSpace = (1ULL << ( 29 )) , kGeoHype = (1ULL << ( 30 )) , kGeoSavePrimitive = (1ULL << ( 20 )) }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Public Attributes inherited from TGeoBBox
static Bool_t DO NOT USE !The overlap detection does not work for all	cases

static Bool_t	DEPRECATED

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

#include <TGeoTorus.h>

Inheritance diagram for TGeoTorus:

[legend]

Constructor & Destructor Documentation

◆ TGeoTorus() [1/5]

TGeoTorus::TGeoTorus ( const TGeoTorus & )

protecteddelete

◆ TGeoTorus() [2/5]

TGeoTorus::TGeoTorus ( )

Default constructor.

Definition at line 66 of file TGeoTorus.cxx.

◆ TGeoTorus() [3/5]

TGeoTorus::TGeoTorus	(	Double_t	r,
		Double_t	rmin,
		Double_t	rmax,
		Double_t	phi1 = `0`,
		Double_t	dphi = `360`
	)

Constructor without name.

Definition at line 79 of file TGeoTorus.cxx.

◆ TGeoTorus() [4/5]

TGeoTorus::TGeoTorus	(	const char *	name,
		Double_t	r,
		Double_t	rmin,
		Double_t	rmax,
		Double_t	phi1 = `0`,
		Double_t	dphi = `360`
	)

Constructor with name.

Definition at line 91 of file TGeoTorus.cxx.

◆ TGeoTorus() [5/5]

TGeoTorus::TGeoTorus ( Double_t * param )

Constructor based on an array of parameters.

param[0] = R
param[1] = Rmin
param[2] = Rmax
param[3] = Phi1
param[4] = Dphi

Definition at line 109 of file TGeoTorus.cxx.

◆ ~TGeoTorus()

TGeoTorus::~TGeoTorus ( )

inlineoverride

Definition at line 45 of file TGeoTorus.h.

Member Function Documentation

◆ Capacity()

Double_t TGeoTorus::Capacity ( ) const

overridevirtual

Computes capacity of the shape in [length^3].

Reimplemented from TGeoBBox.

Definition at line 121 of file TGeoTorus.cxx.

◆ Class()

static TClass * TGeoTorus::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGeoTorus::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGeoTorus::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 91 of file TGeoTorus.h.

◆ ComputeBBox()

void TGeoTorus::ComputeBBox ( )

overridevirtual

Compute bounding box of the torus.

Reimplemented from TGeoBBox.

Definition at line 130 of file TGeoTorus.cxx.

◆ ComputeNormal()

void TGeoTorus::ComputeNormal	(	const Double_t *	point,
		const Double_t *	dir,
		Double_t *	norm
	)

overridevirtual

Compute normal to closest surface from POINT.

Reimplemented from TGeoBBox.

Definition at line 188 of file TGeoTorus.cxx.

◆ ComputeNormal_v()

void TGeoTorus::ComputeNormal_v	(	const Double_t *	points,
		const Double_t *	dirs,
		Double_t *	norms,
		Int_t	vecsize
	)

overridevirtual

Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coordinates and directions + vector size Output: Array of normal directions.

Reimplemented from TGeoBBox.

Definition at line 1322 of file TGeoTorus.cxx.

◆ Contains()

Bool_t TGeoTorus::Contains ( const Double_t * point ) const

overridevirtual

Test if point is inside the torus.

check phi range

Reimplemented from TGeoBBox.

Definition at line 232 of file TGeoTorus.cxx.

◆ Contains_v()

void TGeoTorus::Contains_v	(	const Double_t *	points,
		Bool_t *	inside,
		Int_t	vecsize
	)		const

overridevirtual

Check the inside status for each of the points in the array.

Input: Array of point coordinates + vector size Output: Array of Booleans for the inside of each point

Reimplemented from TGeoBBox.

Definition at line 1311 of file TGeoTorus.cxx.

◆ Daxis()

Double_t TGeoTorus::Daxis	(	const Double_t *	pt,
		const Double_t *	dir,
		Double_t	t
	)		const

Computes distance to axis of the torus from point pt + t*dir;.

Definition at line 271 of file TGeoTorus.cxx.

◆ DDaxis()

Double_t TGeoTorus::DDaxis	(	const Double_t *	pt,
		const Double_t *	dir,
		Double_t	t
	)		const

Computes derivative w.r.t. t of the distance to axis of the torus from point pt + t*dir;.

Definition at line 283 of file TGeoTorus.cxx.

◆ DDDaxis()

Double_t TGeoTorus::DDDaxis	(	const Double_t *	pt,
		const Double_t *	dir,
		Double_t	t
	)		const

Second derivative of distance to torus axis w.r.t t.

Definition at line 302 of file TGeoTorus.cxx.

◆ DeclFileName()

static const char * TGeoTorus::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 91 of file TGeoTorus.h.

◆ DistancetoPrimitive()

Int_t TGeoTorus::DistancetoPrimitive	(	Int_t	px,
		Int_t	py
	)

overridevirtual

Compute closest distance from point px,py to each vertex.

Reimplemented from TGeoBBox.

Definition at line 257 of file TGeoTorus.cxx.

◆ DistFromInside()

Double_t TGeoTorus::DistFromInside	(	const Double_t *	point,
		const Double_t *	dir,
		Int_t	iact = `1`,
		Double_t	step = `TGeoShape::Big()`,
		Double_t *	safe = `nullptr`
	)		const

overridevirtual

Compute distance from inside point to surface of the torus.

Reimplemented from TGeoBBox.

Definition at line 325 of file TGeoTorus.cxx.

◆ DistFromInside_v()

void TGeoTorus::DistFromInside_v	(	const Double_t *	points,
		const Double_t *	dirs,
		Double_t *	dists,
		Int_t	vecsize,
		Double_t *	step
	)		const

overridevirtual

Compute distance from array of input points having directions specified by dirs. Store output in dists.

Reimplemented from TGeoBBox.

Definition at line 1331 of file TGeoTorus.cxx.

◆ DistFromOutside()

Double_t TGeoTorus::DistFromOutside	(	const Double_t *	point,
		const Double_t *	dir,
		Int_t	iact = `1`,
		Double_t	step = `TGeoShape::Big()`,
		Double_t *	safe = `nullptr`
	)		const

overridevirtual

Compute distance from outside point to surface of the torus.

Reimplemented from TGeoBBox.

Definition at line 368 of file TGeoTorus.cxx.

◆ DistFromOutside_v()

void TGeoTorus::DistFromOutside_v	(	const Double_t *	points,
		const Double_t *	dirs,
		Double_t *	dists,
		Int_t	vecsize,
		Double_t *	step
	)		const

overridevirtual

Compute distance from array of input points having directions specified by dirs. Store output in dists.

Reimplemented from TGeoBBox.

Definition at line 1341 of file TGeoTorus.cxx.

◆ Divide()

TGeoVolume * TGeoTorus::Divide	(	TGeoVolume *	voldiv,
		const char *	divname,
		Int_t	iaxis,
		Int_t	ndiv,
		Double_t	start,
		Double_t	step
	)

overridevirtual

Divide this torus shape belonging to volume "voldiv" into ndiv volumes called divname, from start position with the given step.

Reimplemented from TGeoBBox.

Definition at line 510 of file TGeoTorus.cxx.

◆ GetAxisName()

const char * TGeoTorus::GetAxisName ( Int_t iaxis ) const

overridevirtual

Returns name of axis IAXIS.

Reimplemented from TGeoBBox.

Definition at line 519 of file TGeoTorus.cxx.

◆ GetAxisRange()

Double_t TGeoTorus::GetAxisRange	(	Int_t	iaxis,
		Double_t &	xlo,
		Double_t &	xhi
	)		const

overridevirtual

Get range of shape for a given axis.

Reimplemented from TGeoBBox.

Definition at line 532 of file TGeoTorus.cxx.

◆ GetBoundingCylinder()

void TGeoTorus::GetBoundingCylinder ( Double_t * param ) const

overridevirtual

Fill vector param[4] with the bounding cylinder parameters.

The order is the following : Rmin, Rmax, Phi1, Phi2, dZ

Reimplemented from TGeoBBox.

Definition at line 557 of file TGeoTorus.cxx.

◆ GetBuffer3D()

const TBuffer3D & TGeoTorus::GetBuffer3D	(	Int_t	reqSections,
		Bool_t	localFrame
	)		const

overridevirtual

Fills a static 3D buffer and returns a reference.

Reimplemented from TGeoBBox.

Definition at line 1260 of file TGeoTorus.cxx.

◆ GetByteCount()

Int_t TGeoTorus::GetByteCount ( ) const

inlineoverridevirtual

Reimplemented from TGeoBBox.

Definition at line 68 of file TGeoTorus.h.

◆ GetDphi()

Double_t TGeoTorus::GetDphi ( ) const

inline

Definition at line 77 of file TGeoTorus.h.

◆ GetMakeRuntimeShape()

TGeoShape * TGeoTorus::GetMakeRuntimeShape	(	TGeoShape *	mother,
		TGeoMatrix *	mat
	)		const

overridevirtual

Create a shape fitting the mother.

Reimplemented from TGeoBBox.

Definition at line 568 of file TGeoTorus.cxx.

◆ GetMeshNumbers()

void TGeoTorus::GetMeshNumbers	(	Int_t &	nvert,
		Int_t &	nsegs,
		Int_t &	npols
	)		const

overridevirtual

Returns numbers of vertices, segments and polygons composing the shape mesh.

Reimplemented from TGeoBBox.

Definition at line 1235 of file TGeoTorus.cxx.

◆ GetNmeshVertices()

Int_t TGeoTorus::GetNmeshVertices ( ) const

overridevirtual

Return number of vertices of the mesh representation.

Reimplemented from TGeoBBox.

Definition at line 978 of file TGeoTorus.cxx.

◆ GetPhi1()

Double_t TGeoTorus::GetPhi1 ( ) const

inline

Definition at line 76 of file TGeoTorus.h.

◆ GetPointsOnSegments()

Bool_t TGeoTorus::GetPointsOnSegments	(	Int_t	npoints,
		Double_t *	array
	)		const

inlineoverridevirtual

Fills array with n random points located on the line segments of the shape mesh.

The output array must be provided with a length of minimum 3*npoints. Returns true if operation is implemented.

Reimplemented from TGeoBBox.

Definition at line 72 of file TGeoTorus.h.

◆ GetR()

Double_t TGeoTorus::GetR ( ) const

inline

Definition at line 73 of file TGeoTorus.h.

◆ GetRmax()

Double_t TGeoTorus::GetRmax ( ) const

inline

Definition at line 75 of file TGeoTorus.h.

◆ GetRmin()

Double_t TGeoTorus::GetRmin ( ) const

inline

Definition at line 74 of file TGeoTorus.h.

◆ InspectShape()

void TGeoTorus::InspectShape ( ) const

overridevirtual

print shape parameters

Reimplemented from TGeoBBox.

Definition at line 579 of file TGeoTorus.cxx.

◆ IsA()

TClass * TGeoTorus::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TGeoBBox.

Definition at line 91 of file TGeoTorus.h.

◆ IsCylType()

Bool_t TGeoTorus::IsCylType ( ) const

inlineoverridevirtual

Reimplemented from TGeoBBox.

Definition at line 79 of file TGeoTorus.h.

◆ MakeBuffer3D()

TBuffer3D * TGeoTorus::MakeBuffer3D ( ) const

overridevirtual

Creates a TBuffer3D describing this shape.

Coordinates are in local reference frame.

Reimplemented from TGeoBBox.

Definition at line 595 of file TGeoTorus.cxx.

◆ operator=()

TGeoTorus & TGeoTorus::operator= ( const TGeoTorus & )

protecteddelete

◆ Safety()

Double_t TGeoTorus::Safety	(	const Double_t *	point,
		Bool_t	in = `kTRUE`
	)		const

overridevirtual

computes the closest distance from given point to this shape, according to option.

The matching point on the shape is stored in spoint.

Reimplemented from TGeoBBox.

Definition at line 788 of file TGeoTorus.cxx.

◆ Safety_v()

void TGeoTorus::Safety_v	(	const Double_t *	points,
		const Bool_t *	inside,
		Double_t *	safe,
		Int_t	vecsize
	)		const

overridevirtual

Compute safe distance from each of the points in the input array.

Input: Array of point coordinates, array of statuses for these points, size of the arrays Output: Safety values

Reimplemented from TGeoBBox.

Definition at line 1353 of file TGeoTorus.cxx.

◆ SavePrimitive()

void TGeoTorus::SavePrimitive	(	std::ostream &	out,
		Option_t *	option = `""`
	)

overridevirtual

Save a primitive as a C++ statement(s) on output stream "out".

Reimplemented from TGeoBBox.

Definition at line 818 of file TGeoTorus.cxx.

◆ SetDimensions()

void TGeoTorus::SetDimensions ( Double_t * param )

overridevirtual

Set torus dimensions starting from a list.

Reimplemented from TGeoBBox.

Definition at line 850 of file TGeoTorus.cxx.

◆ SetPoints() [1/2]

void TGeoTorus::SetPoints ( Double_t * points ) const

overridevirtual

Create torus mesh points.

Reimplemented from TGeoBBox.

Definition at line 858 of file TGeoTorus.cxx.

◆ SetPoints() [2/2]

void TGeoTorus::SetPoints ( Float_t * points ) const

overridevirtual

Create torus mesh points.

Reimplemented from TGeoBBox.

Definition at line 916 of file TGeoTorus.cxx.

◆ SetSegsAndPols()

void TGeoTorus::SetSegsAndPols ( TBuffer3D & buff ) const

overridevirtual

Fill TBuffer3D structure for segments and polygons.

Reimplemented from TGeoBBox.

Definition at line 630 of file TGeoTorus.cxx.

◆ SetTorusDimensions()

void TGeoTorus::SetTorusDimensions	(	Double_t	r,
		Double_t	rmin,
		Double_t	rmax,
		Double_t	phi1,
		Double_t	dphi
	)

Set torus dimensions.

Definition at line 836 of file TGeoTorus.cxx.

◆ Sizeof3D()

void TGeoTorus::Sizeof3D ( ) const

overridevirtual

fill size of this 3-D object

Reimplemented from TGeoBBox.

Definition at line 992 of file TGeoTorus.cxx.

◆ SolveCubic()

Int_t TGeoTorus::SolveCubic	(	Double_t	a,
		Double_t	b,
		Double_t	c,
		Double_t *	x
	)		const

Find real solutions of the cubic equation : x^3 + a*x^2 + b*x + c = 0 Input: a,b,c Output: x[3] real solutions Returns number of real solutions (1 or 3)

Definition at line 1000 of file TGeoTorus.cxx.

◆ SolveQuartic()

Int_t TGeoTorus::SolveQuartic	(	Double_t	a,
		Double_t	b,
		Double_t	c,
		Double_t	d,
		Double_t *	x
	)		const

Find real solutions of the quartic equation : x^4 + a*x^3 + b*x^2 + c*x + d = 0 Input: a,b,c,d Output: x[4] - real solutions Returns number of real solutions (0 to 3)

Definition at line 1042 of file TGeoTorus.cxx.

◆ Streamer()

void TGeoTorus::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGeoBBox.

◆ StreamerNVirtual()

void TGeoTorus::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 91 of file TGeoTorus.h.

◆ ToBoundary()

Double_t TGeoTorus::ToBoundary	(	const Double_t *	pt,
		const Double_t *	dir,
		Double_t	r,
		Bool_t	in
	)		const

Returns distance to the surface or the torus (fR,r) from a point, along a direction.

Point is close enough to the boundary so that the distance to the torus is decreasing while moving along the given direction.

Definition at line 1137 of file TGeoTorus.cxx.

Member Data Documentation

◆ fDphi

Double_t TGeoTorus::fDphi

protected

Definition at line 24 of file TGeoTorus.h.

◆ fPhi1

Double_t TGeoTorus::fPhi1

protected

Definition at line 23 of file TGeoTorus.h.

◆ fR

Double_t TGeoTorus::fR

protected

Definition at line 20 of file TGeoTorus.h.

◆ fRmax

Double_t TGeoTorus::fRmax

protected

Definition at line 22 of file TGeoTorus.h.

◆ fRmin

Double_t TGeoTorus::fRmin

protected

Definition at line 21 of file TGeoTorus.h.

Libraries for TGeoTorus:

[legend]

The documentation for this class was generated from the following files:

geom/geom/inc/TGeoTorus.h
geom/geom/src/TGeoTorus.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGeoTorus() [1/5]

◆ TGeoTorus() [2/5]

◆ TGeoTorus() [3/5]

◆ TGeoTorus() [4/5]

◆ TGeoTorus() [5/5]

◆ ~TGeoTorus()

Member Function Documentation

◆ Capacity()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ ComputeBBox()

◆ ComputeNormal()

◆ ComputeNormal_v()

◆ Contains()

◆ Contains_v()

◆ Daxis()

◆ DDaxis()

◆ DDDaxis()

◆ DeclFileName()

◆ DistancetoPrimitive()

◆ DistFromInside()

◆ DistFromInside_v()

◆ DistFromOutside()

◆ DistFromOutside_v()

◆ Divide()

◆ GetAxisName()

◆ GetAxisRange()

◆ GetBoundingCylinder()

◆ GetBuffer3D()

◆ GetByteCount()

◆ GetDphi()

◆ GetMakeRuntimeShape()

◆ GetMeshNumbers()

◆ GetNmeshVertices()

◆ GetPhi1()

◆ GetPointsOnSegments()

◆ GetR()

◆ GetRmax()

◆ GetRmin()

◆ InspectShape()

◆ IsA()

◆ IsCylType()

◆ MakeBuffer3D()

◆ operator=()

◆ Safety()

◆ Safety_v()

◆ SavePrimitive()

◆ SetDimensions()

◆ SetPoints() [1/2]

◆ SetPoints() [2/2]

◆ SetSegsAndPols()

◆ SetTorusDimensions()

◆ Sizeof3D()

◆ SolveCubic()

◆ SolveQuartic()

◆ Streamer()

◆ StreamerNVirtual()

◆ ToBoundary()

Member Data Documentation

◆ fDphi

◆ fPhi1

◆ fR

◆ fRmax

◆ fRmin