ROOT   Reference Guide
TGeoParaboloid Class Reference

Paraboloid class.

A paraboloid is the solid bounded by the following surfaces:

• 2 planes parallel with XY cutting the Z axis at Z=-dz and Z=+dz
• the surface of revolution of a parabola described by: z = a*(x*x + y*y) + b

The parameters a and b are automatically computed from:

• rlo - the radius of the circle of intersection between the parabolic surface and the plane z = -dz
• rhi - the radius of the circle of intersection between the parabolic surface and the plane z = +dz
  | -dz = a*rlo*rlo + b
|  dz = a*rhi*rhi + b      where: rlo != rhi, both >= 0


Definition at line 17 of file TGeoParaboloid.h.

## Public Member Functions

TGeoParaboloid ()
Dummy constructor. More...

TGeoParaboloid (const char *name, Double_t rlo, Double_t rhi, Double_t dz)
Default constructor specifying X and Y semiaxis length. More...

TGeoParaboloid (Double_t *params)
Default constructor specifying minimum and maximum radius. More...

TGeoParaboloid (Double_t rlo, Double_t rhi, Double_t dz)
Default constructor specifying X and Y semiaxis length. More...

virtual ~TGeoParaboloid ()
destructor More...

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

virtual void ComputeBBox ()
compute bounding box of the tube More...

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

virtual void ComputeNormal_v (const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize)
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. More...

virtual Bool_t Contains (const Double_t *point) const
test if point is inside the elliptical tube More...

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

virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
compute closest distance from point px,py to each vertex More...

virtual Double_t DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
compute distance from inside point to surface of the paraboloid More...

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

virtual Double_t DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
compute distance from outside point to surface of the paraboloid and safe distance More...

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

Double_t DistToParaboloid (const Double_t *point, const Double_t *dir, Bool_t in) const
Compute distance from a point to the parabola given by: z = a*rsq + b; rsq = x*x+y*y More...

virtual TGeoVolumeDivide (TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide the paraboloid along one axis. More...

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

virtual const TBuffer3DGetBuffer3D (Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference. More...

Double_t GetDz () const

virtual TGeoShapeGetMakeRuntimeShape (TGeoShape *mother, TGeoMatrix *mat) const
in case shape has some negative parameters, these has to be computed in order to fit the mother More...

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

virtual Int_t GetNmeshVertices () const
Returns number of vertices on the paraboloid mesh. More...

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

Double_t GetRhi () const

Double_t GetRlo () const

virtual void InspectShape () const
print shape parameters More...

virtual Bool_t IsCylType () const

virtual TBuffer3DMakeBuffer3D () const
Creates a TBuffer3D describing this shape. More...

virtual Double_t Safety (const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape. More...

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

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

virtual void SetDimensions (Double_t *param)
Set paraboloid dimensions starting from an array. More...

void SetParaboloidDimensions (Double_t rlo, Double_t rhi, Double_t dz)
Set paraboloid dimensions. More...

virtual void SetPoints (Double_t *points) const
Create paraboloid mesh points. More...

virtual void SetPoints (Float_t *points) const
Create paraboloid mesh points. More...

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

virtual void Sizeof3D () const

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

TGeoBBox (const char *name, Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0)
Constructor with shape name. More...

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

TGeoBBox (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0)
Constructor where half-lengths are provided. More...

virtual ~TGeoBBox ()
Destructor. More...

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

virtual void ComputeBBox ()
Compute bounding box - nothing to do in this case. More...

virtual void ComputeNormal (const Double_t *point, const Double_t *dir, Double_t *norm)
Computes normal to closest surface from POINT. More...

virtual void ComputeNormal_v (const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize)
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. More...

virtual Bool_t Contains (const Double_t *point) const
Test if point is inside this shape. More...

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

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

virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
Compute closest distance from point px,py to each corner. More...

virtual Double_t DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
Compute distance from inside point to surface of the box. More...

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

virtual Double_t DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
Compute distance from outside point to surface of the box. More...

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

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

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

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

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

virtual const TBuffer3DGetBuffer3D (Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference. More...

virtual Int_t GetByteCount () const

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. More...

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

virtual TGeoShapeGetMakeRuntimeShape (TGeoShape *mother, TGeoMatrix *mat) const
In case shape has some negative parameters, these has to be computed in order to fit the mother. More...

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

virtual Int_t GetNmeshVertices () const

virtual const Double_tGetOrigin () 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. More...

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

virtual void InspectShape () const
Prints shape parameters. More...

virtual Bool_t IsCylType () const

virtual Bool_t IsNullBox () const

virtual Bool_t IsValidBox () const

virtual TBuffer3DMakeBuffer3D () const
Creates a TBuffer3D describing this shape. More...

virtual Double_t Safety (const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape. More...

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

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

void SetBoxDimensions (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0)
Set parameters of the box. More...

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

virtual void SetDimensions (Double_t *param)
Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in y param[2] - half-length in z. More...

virtual void SetPoints (Double_t *points) const
Fill box points. More...

virtual void SetPoints (Float_t *points) const
Fill box points. More...

virtual void SetSegsAndPols (TBuffer3D &buffer) const
Fills TBuffer3D structure for segments and polygons. More...

virtual void Sizeof3D () const

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

TGeoShape (const char *name)
Default constructor. More...

virtual ~TGeoShape ()
Destructor. More...

virtual void AfterStreamer ()

virtual Double_t Capacity () const =0

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

virtual void ComputeBBox ()=0

virtual void ComputeNormal (const Double_t *point, const Double_t *dir, Double_t *norm)=0

virtual void ComputeNormal_v (const Double_t *, const Double_t *, Double_t *, Int_t)

virtual Bool_t Contains (const Double_t *point) const =0

virtual void Contains_v (const Double_t *, Bool_t *, Int_t) const

virtual Bool_t CouldBeCrossed (const Double_t *point, const Double_t *dir) const =0

virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)=0
Computes distance from point (px,py) to the object. More...

virtual Double_t DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const =0

virtual void DistFromInside_v (const Double_t *, const Double_t *, Double_t *, Int_t, Double_t *) const

virtual Double_t DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const =0

virtual void DistFromOutside_v (const Double_t *, const Double_t *, Double_t *, Int_t, Double_t *) const

virtual TGeoVolumeDivide (TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)=0

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

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

virtual const char * GetAxisName (Int_t iaxis) const =0

virtual Double_t GetAxisRange (Int_t iaxis, Double_t &xlo, Double_t &xhi) const =0

virtual void GetBoundingCylinder (Double_t *param) const =0

virtual const TBuffer3DGetBuffer3D (Int_t reqSections, Bool_t localFrame) const
Stub implementation to avoid forcing implementation at this stage. More...

virtual Int_t GetByteCount () const =0

virtual Int_t GetFittingBox (const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const =0

Int_t GetId () const

virtual TGeoShapeGetMakeRuntimeShape (TGeoShape *mother, TGeoMatrix *mat) const =0

virtual void GetMeshNumbers (Int_t &, Int_t &, Int_t &) const

virtual const char * GetName () const
Get the shape name. More...

virtual Int_t GetNmeshVertices () const

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

virtual Bool_t GetPointsOnSegments (Int_t npoints, Double_t *array) const =0

virtual void InspectShape () const =0

void InvertShapeBit (UInt_t f)

virtual Bool_t IsAssembly () const

virtual Bool_t IsComposite () const

virtual Bool_t IsCylType () const =0

virtual Bool_t IsReflected () const

Bool_t IsRunTimeShape () const

Bool_t IsValid () const

virtual Bool_t IsValidBox () const =0

virtual Bool_t IsVecGeom () const

virtual TBuffer3DMakeBuffer3D () const

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

void ResetShapeBit (UInt_t f)

virtual Double_t Safety (const Double_t *point, Bool_t in=kTRUE) const =0

virtual void Safety_v (const Double_t *, const Bool_t *, Double_t *, Int_t) const

virtual void SetDimensions (Double_t *param)=0

void SetId (Int_t id)

virtual void SetPoints (Double_t *points) const =0

virtual void SetPoints (Float_t *points) const =0

void SetRuntime (Bool_t flag=kTRUE)

virtual void SetSegsAndPols (TBuffer3D &buff) const =0

void SetShapeBit (UInt_t f)

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

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

virtual void Sizeof3D () const =0

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. More...

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

virtual ~TNamed ()
TNamed destructor. More...

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

virtual TObjectClone (const char *newname="") const
Make a clone of an object using the Streamer facility. More...

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

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

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

virtual const char * GetName () const
Returns name of object. More...

virtual const char * GetTitle () const
Returns title of object. More...

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

virtual Bool_t IsSortable () const

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

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

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

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

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

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

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

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

TObject (const TObject &object)
TObject copy ctor. More...

virtual ~TObject ()
TObject destructor. More...

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

Append graphics object to current pad. More...

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

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. More...

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

virtual void Clear (Option_t *="")

virtual TObjectClone (const char *newname="") const
Make a clone of an object using the Streamer facility. More...

virtual Int_t Compare (const TObject *obj) const
Compare abstract method. More...

virtual void Copy (TObject &object) const
Copy this to obj. More...

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

virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
Computes distance from point (px,py) to the object. More...

virtual void Draw (Option_t *option="")
Default Draw method for all objects. More...

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

virtual TObjectDrawClone (Option_t *option="") const
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...

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

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

virtual void Execute (const char *method, const char *params, Int_t *error=0)
Execute method on this object with the given parameter string, e.g. More...

virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
Execute method on this object with parameters stored in the TObjArray. More...

virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
Execute action corresponding to an event at (px,py). More...

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

virtual TObjectFindObject (const char *name) const
Must be redefined in derived classes. More...

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

virtual Option_tGetDrawOption () const
Get option used by the graphics system to draw this object. More...

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

virtual const char * GetName () const
Returns name of object. More...

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

virtual Option_tGetOption () const

virtual const char * GetTitle () const
Returns title of object. More...

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

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

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

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. More...

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

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

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

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

void InvertBit (UInt_t f)

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

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

R__ALWAYS_INLINE Bool_t IsOnHeap () const

virtual Bool_t IsSortable () const

R__ALWAYS_INLINE Bool_t IsZombie () const

virtual void ls (Option_t *option="") const
The ls function lists the contents of a class on stdout. More...

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). More...

virtual Bool_t Notify ()
This method must be overridden to handle object notification. More...

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

void operator delete (void *ptr)
Operator delete. More...

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

voidoperator new (size_t sz)

voidoperator new (size_t sz, void *vp)

voidoperator new[] (size_t sz)

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

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

virtual void Paint (Option_t *option="")
This method must be overridden if a class wants to paint itself. More...

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

virtual void Print (Option_t *option="") const
This method must be overridden when a class wants to print itself. More...

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

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

void ResetBit (UInt_t f)

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

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

void SetBit (UInt_t f)

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

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

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

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

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. More...

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

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

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

## Private Attributes

Double_t fA

Double_t fB

Double_t fDz

Double_t fRhi

Double_t fRlo

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

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

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

enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

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

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

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. More...

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. More...

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. More...

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

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. More...

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. More...

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

static TGeoMatrixGetTransform ()
Returns current transformation matrix that applies to shape. More...

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. More...

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. More...

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]. More...

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

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) More...

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. More...

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. More...

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) More...

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

static Double_t Tolerance ()

Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
Return destructor only flag. More...

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

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

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

Protected Types inherited from TObject
enum  { kOnlyPrepStep = BIT(3) }

Protected Member Functions inherited from TGeoBBox
virtual void FillBuffer3D (TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const
Fills the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections, frame etc. More...

Protected Member Functions inherited from TGeoShape
virtual void FillBuffer3D (TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const
Fill the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections, frame etc. More...

Int_t GetBasicColor () const
Get the basic color (0-7). More...

void SetOnBoundary (Bool_t)

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

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). More...

void MakeZombie ()

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

#include <TGeoParaboloid.h>

Inheritance diagram for TGeoParaboloid:
[legend]

## ◆ TGeoParaboloid() [1/4]

 TGeoParaboloid::TGeoParaboloid ( )

Dummy constructor.

Definition at line 47 of file TGeoParaboloid.cxx.

## ◆ TGeoParaboloid() [2/4]

 TGeoParaboloid::TGeoParaboloid ( Double_t rlo, Double_t rhi, Double_t dz )

Default constructor specifying X and Y semiaxis length.

Definition at line 60 of file TGeoParaboloid.cxx.

## ◆ TGeoParaboloid() [3/4]

 TGeoParaboloid::TGeoParaboloid ( const char * name, Double_t rlo, Double_t rhi, Double_t dz )

Default constructor specifying X and Y semiaxis length.

Definition at line 76 of file TGeoParaboloid.cxx.

## ◆ TGeoParaboloid() [4/4]

 TGeoParaboloid::TGeoParaboloid ( Double_t * param )

Default constructor specifying minimum and maximum radius.

• param[0] = rlo
• param[1] = rhi
• param[2] = dz

Definition at line 95 of file TGeoParaboloid.cxx.

## ◆ ~TGeoParaboloid()

 TGeoParaboloid::~TGeoParaboloid ( )
virtual

destructor

Definition at line 105 of file TGeoParaboloid.cxx.

## ◆ Capacity()

 Double_t TGeoParaboloid::Capacity ( ) const
virtual

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

Reimplemented from TGeoBBox.

Definition at line 112 of file TGeoParaboloid.cxx.

## ◆ ComputeBBox()

 void TGeoParaboloid::ComputeBBox ( )
virtual

compute bounding box of the tube

Reimplemented from TGeoBBox.

Definition at line 121 of file TGeoParaboloid.cxx.

## ◆ ComputeNormal()

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

Compute normal to closest surface from POINT.

Reimplemented from TGeoBBox.

Definition at line 131 of file TGeoParaboloid.cxx.

## ◆ ComputeNormal_v()

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

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 676 of file TGeoParaboloid.cxx.

## ◆ Contains()

 Bool_t TGeoParaboloid::Contains ( const Double_t * point ) const
virtual

test if point is inside the elliptical tube

Reimplemented from TGeoBBox.

Definition at line 164 of file TGeoParaboloid.cxx.

## ◆ Contains_v()

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

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 666 of file TGeoParaboloid.cxx.

## ◆ DistancetoPrimitive()

 Int_t TGeoParaboloid::DistancetoPrimitive ( Int_t px, Int_t py )
virtual

compute closest distance from point px,py to each vertex

Reimplemented from TGeoBBox.

Definition at line 177 of file TGeoParaboloid.cxx.

## ◆ DistFromInside()

 Double_t TGeoParaboloid::DistFromInside ( const Double_t * point, const Double_t * dir, Int_t iact = 1, Double_t step = TGeoShape::Big(), Double_t * safe = 0 ) const
virtual

compute distance from inside point to surface of the paraboloid

Reimplemented from TGeoBBox.

Definition at line 227 of file TGeoParaboloid.cxx.

## ◆ DistFromInside_v()

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

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

Reimplemented from TGeoBBox.

Definition at line 684 of file TGeoParaboloid.cxx.

## ◆ DistFromOutside()

 Double_t TGeoParaboloid::DistFromOutside ( const Double_t * point, const Double_t * dir, Int_t iact = 1, Double_t step = TGeoShape::Big(), Double_t * safe = 0 ) const
virtual

compute distance from outside point to surface of the paraboloid and safe distance

Reimplemented from TGeoBBox.

Definition at line 249 of file TGeoParaboloid.cxx.

## ◆ DistFromOutside_v()

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

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

Reimplemented from TGeoBBox.

Definition at line 692 of file TGeoParaboloid.cxx.

## ◆ DistToParaboloid()

 Double_t TGeoParaboloid::DistToParaboloid ( const Double_t * point, const Double_t * dir, Bool_t in ) const

Compute distance from a point to the parabola given by: z = a*rsq + b; rsq = x*x+y*y

Definition at line 188 of file TGeoParaboloid.cxx.

## ◆ Divide()

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

Divide the paraboloid along one axis.

Reimplemented from TGeoBBox.

Definition at line 284 of file TGeoParaboloid.cxx.

## ◆ GetBoundingCylinder()

 void TGeoParaboloid::GetBoundingCylinder ( Double_t * param ) const
virtual

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

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

Reimplemented from TGeoBBox.

Definition at line 295 of file TGeoParaboloid.cxx.

## ◆ GetBuffer3D()

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

Fills a static 3D buffer and returns a reference.

Reimplemented from TGeoBBox.

Definition at line 635 of file TGeoParaboloid.cxx.

## ◆ GetDz()

 Double_t TGeoParaboloid::GetDz ( ) const
inline

Definition at line 53 of file TGeoParaboloid.h.

## ◆ GetMakeRuntimeShape()

 TGeoShape * TGeoParaboloid::GetMakeRuntimeShape ( TGeoShape * mother, TGeoMatrix * mat ) const
virtual

in case shape has some negative parameters, these has to be computed in order to fit the mother

Reimplemented from TGeoBBox.

Definition at line 308 of file TGeoParaboloid.cxx.

## ◆ GetMeshNumbers()

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

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

Reimplemented from TGeoBBox.

Definition at line 548 of file TGeoParaboloid.cxx.

## ◆ GetNmeshVertices()

 Int_t TGeoParaboloid::GetNmeshVertices ( ) const
virtual

Returns number of vertices on the paraboloid mesh.

Reimplemented from TGeoBBox.

Definition at line 559 of file TGeoParaboloid.cxx.

## ◆ GetPointsOnSegments()

 virtual Bool_t TGeoParaboloid::GetPointsOnSegments ( Int_t npoints, Double_t * array ) const
inlinevirtual

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 59 of file TGeoParaboloid.h.

## ◆ GetRhi()

 Double_t TGeoParaboloid::GetRhi ( ) const
inline

Definition at line 52 of file TGeoParaboloid.h.

## ◆ GetRlo()

 Double_t TGeoParaboloid::GetRlo ( ) const
inline

Definition at line 51 of file TGeoParaboloid.h.

## ◆ InspectShape()

 void TGeoParaboloid::InspectShape ( ) const
virtual

print shape parameters

Reimplemented from TGeoBBox.

Definition at line 316 of file TGeoParaboloid.cxx.

## ◆ IsCylType()

 virtual Bool_t TGeoParaboloid::IsCylType ( ) const
inlinevirtual

Reimplemented from TGeoBBox.

Definition at line 61 of file TGeoParaboloid.h.

## ◆ MakeBuffer3D()

 TBuffer3D * TGeoParaboloid::MakeBuffer3D ( ) const
virtual

Creates a TBuffer3D describing this shape.

Coordinates are in local reference frame.

Reimplemented from TGeoBBox.

Definition at line 330 of file TGeoParaboloid.cxx.

## ◆ Safety()

 Double_t TGeoParaboloid::Safety ( const Double_t * point, Bool_t in = kTRUE ) const
virtual

Computes the closest distance from given point to this shape.

Reimplemented from TGeoBBox.

Definition at line 425 of file TGeoParaboloid.cxx.

## ◆ Safety_v()

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

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 702 of file TGeoParaboloid.cxx.

## ◆ SavePrimitive()

 void TGeoParaboloid::SavePrimitive ( std::ostream & out, Option_t * option = "" )
virtual

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

Reimplemented from TGeoBBox.

Definition at line 568 of file TGeoParaboloid.cxx.

## ◆ SetDimensions()

 void TGeoParaboloid::SetDimensions ( Double_t * param )
virtual

Set paraboloid dimensions starting from an array.

Reimplemented from TGeoBBox.

Definition at line 473 of file TGeoParaboloid.cxx.

## ◆ SetParaboloidDimensions()

 void TGeoParaboloid::SetParaboloidDimensions ( Double_t rlo, Double_t rhi, Double_t dz )

Set paraboloid dimensions.

Definition at line 455 of file TGeoParaboloid.cxx.

## ◆ SetPoints() [1/2]

 void TGeoParaboloid::SetPoints ( Double_t * points ) const
virtual

Create paraboloid mesh points.

Npoints = n*(n+1) + 2
ifirst = 0
ipoint(i,j) = 1+i*n+j; i=[0,n] j=[0,n-1]
ilast = 1+n*(n+1)
Nsegments = n*(2*n+3)
lower: (0, j+1); j=[0,n-1]
circle(i): (n*i+1+j, n*i+1+(j+1)%n); i=[0,n] j=[0,n-1]
generator(i): (n*i+1+j, n*(i+1)+1+j); i,j=[0,n-1]
upper: (n*n+1+j, (n+1)*n+1) j=[0,n-1]
Npolygons = n*(n+2)
lower: (n+j, (j+1)%n, j) j=[0,n-1]
lateral(i): ((2*i+1)*n+j, 2*(i+1)*n+j, (2*i+3)*n+j, 2*(i+1)*n+(j+1)%n)
i,j = [0,n-1]
upper: ((2n+1)*n+j, 2*n*(n+1)+(j+1)%n, 2*n*(n+1)+j) j=[0,n-1]
const Int_t n
Definition: legend1.C:16

Reimplemented from TGeoBBox.

Definition at line 500 of file TGeoParaboloid.cxx.

## ◆ SetPoints() [2/2]

 void TGeoParaboloid::SetPoints ( Float_t * points ) const
virtual

Create paraboloid mesh points.

Reimplemented from TGeoBBox.

Definition at line 582 of file TGeoParaboloid.cxx.

## ◆ SetSegsAndPols()

 void TGeoParaboloid::SetSegsAndPols ( TBuffer3D & buff ) const
virtual

Fill TBuffer3D structure for segments and polygons.

Reimplemented from TGeoBBox.

Definition at line 352 of file TGeoParaboloid.cxx.

## ◆ Sizeof3D()

 void TGeoParaboloid::Sizeof3D ( ) const
virtual

Reimplemented from TGeoBBox.

Definition at line 628 of file TGeoParaboloid.cxx.

## ◆ fA

 Double_t TGeoParaboloid::fA
private

Definition at line 23 of file TGeoParaboloid.h.

## ◆ fB

 Double_t TGeoParaboloid::fB
private

Definition at line 24 of file TGeoParaboloid.h.

## ◆ fDz

 Double_t TGeoParaboloid::fDz
private

Definition at line 22 of file TGeoParaboloid.h.

## ◆ fRhi

 Double_t TGeoParaboloid::fRhi
private

Definition at line 21 of file TGeoParaboloid.h.

## ◆ fRlo

 Double_t TGeoParaboloid::fRlo
private

Definition at line 20 of file TGeoParaboloid.h.

Libraries for TGeoParaboloid:
[legend]

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