Logo ROOT   6.19/01
Reference Guide
TGeoPgon Class Reference

A polygone.

It has at least 10 parameters :

  • the lower phi limit;
  • the range in phi;
  • the number of equal edges on each z plane;
  • the number of z planes (at least two) where the inner/outer radii are changing;
  • z coordinate, inner and outer radius of the inscribed cercle (distance from center to edges) for each z plane
{
TCanvas *c = new TCanvas("c", "c",0,0,600,600);
new TGeoManager("pgon", "poza11");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,150,150,100);
TGeoVolume *vol = gGeoManager->MakePgon("PGON",med, -45.0,270.0,4,4);
TGeoPgon *pgon = (TGeoPgon*)(vol->GetShape());
pgon->DefineSection(0,-70,45,50);
pgon->DefineSection(1,0,35,40);
pgon->DefineSection(2,0,30,35);
pgon->DefineSection(3,70,90,100);
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
TView *view = gPad->GetView();
view->ShowAxis();
}
pict1_TGeoPgon_001.png

Definition at line 19 of file TGeoPgon.h.

Classes

struct  ThreadData_t
 

Public Member Functions

 TGeoPgon ()
 dummy ctor More...
 
 TGeoPgon (Double_t phi, Double_t dphi, Int_t nedges, Int_t nz)
 Default constructor. More...
 
 TGeoPgon (const char *name, Double_t phi, Double_t dphi, Int_t nedges, Int_t nz)
 Default constructor. More...
 
 TGeoPgon (Double_t *params)
 Default constructor in GEANT3 style. More...
 
virtual ~TGeoPgon ()
 destructor More...
 
virtual Double_t Capacity () const
 Computes capacity of the shape in [length^3]. More...
 
void ClearThreadData () const
 
virtual void ComputeBBox ()
 compute bounding box for a polygone Check if the sections are in increasing Z order 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 this shape check total z range 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...
 
void CreateThreadData (Int_t nthreads)
 Create thread data for n threads max. 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 polygone first find out in which Z section the point is in 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 polygone. 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 polygone shape belonging to volume "voldiv" into ndiv volumes called divname, from start position with the given step. 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 TGeoShapeGetMakeRuntimeShape (TGeoShape *, TGeoMatrix *) 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...
 
Int_t GetNedges () const
 
virtual Int_t GetNmeshVertices () const
 Return number of vertices of the mesh representation. More...
 
virtual Int_t GetNsegments () const
 Returns number of segments on each mesh circle segment. 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...
 
ThreadData_tGetThreadData () const
 
virtual void InspectShape () const
 Inspect the PGON parameters. More...
 
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, according to option. 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...
 
Double_t SafetyToSegment (const Double_t *point, Int_t ipl, Int_t iphi, Bool_t in, Double_t safphi, Double_t safmin=TGeoShape::Big()) const
 Compute safety from POINT to segment between planes ipl, ipl+1 within safmin. 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 PGON dimensions starting from an array. More...
 
void SetNedges (Int_t ne)
 
virtual void SetPoints (Double_t *points) const
 create polygone mesh points More...
 
virtual void SetPoints (Float_t *points) const
 create polygone mesh points More...
 
virtual void SetSegsAndPols (TBuffer3D &buff) const
 Fill TBuffer3D structure for segments and polygons. More...
 
virtual void Sizeof3D () const
 fill size of this 3-D object More...
 
- Public Member Functions inherited from TGeoPcon
 TGeoPcon ()
 dummy ctor More...
 
 TGeoPcon (Double_t phi, Double_t dphi, Int_t nz)
 Default constructor. More...
 
 TGeoPcon (const char *name, Double_t phi, Double_t dphi, Int_t nz)
 Default constructor. More...
 
 TGeoPcon (Double_t *params)
 Default constructor in GEANT3 style. More...
 
virtual ~TGeoPcon ()
 destructor More...
 
virtual void DefineSection (Int_t snum, Double_t z, Double_t rmin, Double_t rmax)
 Defines z position of a section plane, rmin and rmax at this z. More...
 
Double_t DistToSegZ (const Double_t *point, const Double_t *dir, Int_t &iz) const
 compute distance to a pcon Z slice. Segment iz must be valid More...
 
Double_tDphi ()
 
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...
 
Double_t GetDphi () const
 
Int_t GetNz () const
 
Double_t GetPhi1 () const
 
Double_tGetRmax () const
 
Double_t GetRmax (Int_t ipl) const
 Returns Rmax for Z segment IPL. More...
 
Double_tGetRmin () const
 
Double_t GetRmin (Int_t ipl) const
 Returns Rmin for Z segment IPL. More...
 
Double_tGetZ () const
 
Double_t GetZ (Int_t ipl) const
 Returns Z for segment IPL. More...
 
virtual Bool_t IsCylType () const
 
Double_tPhi1 ()
 
Double_tRmax (Int_t ipl)
 
Double_tRmin (Int_t ipl)
 
Double_t SafetyToSegment (const Double_t *point, Int_t ipl, Bool_t in=kTRUE, Double_t safmin=TGeoShape::Big()) const
 Compute safety from POINT to segment between planes ipl, ipl+1 within safmin. More...
 
Double_tZ (Int_t ipl)
 
- Public Member Functions inherited from TGeoBBox
 TGeoBBox ()
 Default constructor. More...
 
 TGeoBBox (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0)
 Constructor where half-lengths are provided. 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...
 
virtual ~TGeoBBox ()
 Destructor. 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 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 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 IsNullBox () const
 
virtual Bool_t IsValidBox () const
 
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...
 
- Public Member Functions inherited from TGeoShape
 TGeoShape ()
 Default constructor. More...
 
 TGeoShape (const char *name)
 Default constructor. More...
 
virtual ~TGeoShape ()
 Destructor. More...
 
virtual void AfterStreamer ()
 
void CheckShape (Int_t testNo, Int_t nsamples=10000, Option_t *option="")
 Test for shape navigation methods. More...
 
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...
 
Int_t GetId () const
 
virtual const char * GetName () const
 Get the shape name. More...
 
const char * GetPointerName () const
 Provide a pointer name containing uid. More...
 
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
 
virtual void Paint (Option_t *option="")
 Paint this shape. More...
 
void ResetShapeBit (UInt_t f)
 
void SetId (Int_t id)
 
void SetRuntime (Bool_t flag=kTRUE)
 
void SetShapeBit (UInt_t f, Bool_t set)
 Equivalent of TObject::SetBit. More...
 
void SetShapeBit (UInt_t f)
 
Int_t ShapeDistancetoPrimitive (Int_t numpoints, Int_t px, Int_t py) const
 Returns distance to shape primitive mesh. More...
 
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 TString &name, const TString &title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
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 * 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...
 
virtual void AppendPad (Option_t *option="")
 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 Delete (Option_t *option="")
 Delete this object. 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 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 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 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...
 
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
 
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). 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 Pop ()
 Pop on object drawn in a pad to the top of the display list. 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...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
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...
 

Protected Member Functions

Int_t GetPhiCrossList (const Double_t *point, const Double_t *dir, Int_t istart, Double_t *sphi, Int_t *iphi, Double_t stepmax=TGeoShape::Big()) const
 Mutex for thread data. More...
 
Bool_t IsCrossingSlice (const Double_t *point, const Double_t *dir, Int_t iphi, Double_t sstart, Int_t &ipl, Double_t &snext, Double_t stepmax) const
 Check crossing of a given pgon slice, from a starting point inside the slice. More...
 
void LocatePhi (const Double_t *point, Int_t &ipsec) const
 Locates index IPSEC of the phi sector containing POINT. More...
 
Double_t Rpg (Double_t z, Int_t ipl, Bool_t inner, Double_t &a, Double_t &b) const
 Computes projected pgon radius (inner or outer) corresponding to a given Z value. More...
 
Double_t Rproj (Double_t z, const Double_t *point, const Double_t *dir, Double_t cphi, Double_t sphi, Double_t &a, Double_t &b) const
 Computes projected distance at a given Z for a given ray inside a given sector and fills coefficients: Rproj = a + b*z More...
 
Bool_t SliceCrossing (const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const
 Check boundary crossing inside phi slices. More...
 
Bool_t SliceCrossingIn (const Double_t *point, const Double_t *dir, Int_t ipl, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const
 Check boundary crossing inside phi slices. More...
 
Bool_t SliceCrossingInZ (const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const
 Performs ray propagation between Z segments. More...
 
Bool_t SliceCrossingZ (const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const
 Performs ray propagation between Z segments. More...
 
- Protected Member Functions inherited from TGeoPcon
 TGeoPcon (const TGeoPcon &)
 Cosine of dphi. More...
 
TGeoPconoperator= (const TGeoPcon &)
 assignment operator More...
 
- 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
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

std::mutex fMutex
 Size for the navigation data array. More...
 
Int_t fNedges
 
std::vector< ThreadData_t * > fThreadData
 
Int_t fThreadSize
 Navigation data per thread. More...
 
- Protected Attributes inherited from TGeoPcon
Double_t fC1
 Full phi range flag. More...
 
Double_t fC2
 Sine of phi1. More...
 
Double_t fCdphi
 Sine of (phi1+phi2)/2. More...
 
Double_t fCm
 Sine of phi1+dphi. More...
 
Double_t fDphi
 
Bool_t fFullPhi
 
Int_t fNz
 
Double_t fPhi1
 
Double_tfRmax
 
Double_tfRmin
 
Double_t fS1
 Cosine of phi1. More...
 
Double_t fS2
 Cosine of phi1+dphi. More...
 
Double_t fSm
 Cosine of (phi1+phi2)/2. More...
 
Double_tfZ
 
- 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 = 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,
  kBitMask = 0x00ffffff
}
 
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...
 

#include <TGeoPgon.h>

Inheritance diagram for TGeoPgon:
[legend]

Constructor & Destructor Documentation

◆ TGeoPgon() [1/4]

TGeoPgon::TGeoPgon ( )

dummy ctor

Definition at line 125 of file TGeoPgon.cxx.

◆ TGeoPgon() [2/4]

TGeoPgon::TGeoPgon ( Double_t  phi,
Double_t  dphi,
Int_t  nedges,
Int_t  nz 
)

Default constructor.

Definition at line 135 of file TGeoPgon.cxx.

◆ TGeoPgon() [3/4]

TGeoPgon::TGeoPgon ( const char *  name,
Double_t  phi,
Double_t  dphi,
Int_t  nedges,
Int_t  nz 
)

Default constructor.

Definition at line 146 of file TGeoPgon.cxx.

◆ TGeoPgon() [4/4]

TGeoPgon::TGeoPgon ( Double_t param)

Default constructor in GEANT3 style.

  • param[0] = phi1
  • param[1] = dphi
  • param[2] = nedges
  • param[3] = nz
  • param[4] = z1
  • param[5] = Rmin1
  • param[6] = Rmax1 ...

Definition at line 166 of file TGeoPgon.cxx.

◆ ~TGeoPgon()

TGeoPgon::~TGeoPgon ( )
virtual

destructor

Definition at line 178 of file TGeoPgon.cxx.

Member Function Documentation

◆ Capacity()

Double_t TGeoPgon::Capacity ( ) const
virtual

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

Reimplemented from TGeoPcon.

Definition at line 186 of file TGeoPgon.cxx.

◆ ClearThreadData()

void TGeoPgon::ClearThreadData ( ) const
virtual

Reimplemented from TGeoShape.

Definition at line 92 of file TGeoPgon.cxx.

◆ ComputeBBox()

void TGeoPgon::ComputeBBox ( )
virtual

compute bounding box for a polygone Check if the sections are in increasing Z order

Reimplemented from TGeoPcon.

Definition at line 210 of file TGeoPgon.cxx.

◆ ComputeNormal()

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

Compute normal to closest surface from POINT.

Reimplemented from TGeoPcon.

Definition at line 277 of file TGeoPgon.cxx.

◆ ComputeNormal_v()

void TGeoPgon::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 TGeoPcon.

Definition at line 2009 of file TGeoPgon.cxx.

◆ Contains()

Bool_t TGeoPgon::Contains ( const Double_t point) const
virtual

test if point is inside this shape check total z range

Reimplemented from TGeoPcon.

Definition at line 372 of file TGeoPgon.cxx.

◆ Contains_v()

void TGeoPgon::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 TGeoPcon.

Definition at line 1999 of file TGeoPgon.cxx.

◆ CreateThreadData()

void TGeoPgon::CreateThreadData ( Int_t  nthreads)
virtual

Create thread data for n threads max.

Reimplemented from TGeoShape.

Definition at line 107 of file TGeoPgon.cxx.

◆ DistancetoPrimitive()

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

compute closest distance from point px,py to each corner

Reimplemented from TGeoPcon.

Definition at line 1284 of file TGeoPgon.cxx.

◆ DistFromInside()

Double_t TGeoPgon::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 polygone first find out in which Z section the point is in

Reimplemented from TGeoPcon.

Definition at line 419 of file TGeoPgon.cxx.

◆ DistFromInside_v()

void TGeoPgon::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 TGeoPcon.

Definition at line 2017 of file TGeoPgon.cxx.

◆ DistFromOutside()

Double_t TGeoPgon::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 polygone.

Reimplemented from TGeoPcon.

Definition at line 1094 of file TGeoPgon.cxx.

◆ DistFromOutside_v()

void TGeoPgon::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 TGeoPcon.

Definition at line 2026 of file TGeoPgon.cxx.

◆ Divide()

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

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

Returns pointer to created division cell volume in case of Z divisions. Phi divisions are allowed only if nedgesndiv=0 and create polygone "segments" with nedges/ndiv edges. Z divisions can be performed if the divided range is in between two consecutive Z planes. In case a wrong division axis is supplied, returns pointer to volume that was divided.

Reimplemented from TGeoPcon.

Definition at line 1299 of file TGeoPgon.cxx.

◆ GetBoundingCylinder()

void TGeoPgon::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 TGeoPcon.

Definition at line 1384 of file TGeoPgon.cxx.

◆ GetBuffer3D()

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

Fills a static 3D buffer and returns a reference.

Reimplemented from TGeoPcon.

Definition at line 1960 of file TGeoPgon.cxx.

◆ GetByteCount()

virtual Int_t TGeoPgon::GetByteCount ( ) const
inlinevirtual

Reimplemented from TGeoPcon.

Definition at line 78 of file TGeoPgon.h.

◆ GetMakeRuntimeShape()

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

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

Reimplemented from TGeoPcon.

Definition at line 79 of file TGeoPgon.h.

◆ GetMeshNumbers()

void TGeoPgon::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 TGeoPcon.

Definition at line 1930 of file TGeoPgon.cxx.

◆ GetNedges()

Int_t TGeoPgon::GetNedges ( ) const
inline

Definition at line 81 of file TGeoPgon.h.

◆ GetNmeshVertices()

Int_t TGeoPgon::GetNmeshVertices ( ) const
virtual

Return number of vertices of the mesh representation.

Reimplemented from TGeoPcon.

Definition at line 1943 of file TGeoPgon.cxx.

◆ GetNsegments()

virtual Int_t TGeoPgon::GetNsegments ( ) const
inlinevirtual

Returns number of segments on each mesh circle segment.

Reimplemented from TGeoPcon.

Definition at line 83 of file TGeoPgon.h.

◆ GetPhiCrossList()

Int_t TGeoPgon::GetPhiCrossList ( const Double_t point,
const Double_t dir,
Int_t  istart,
Double_t sphi,
Int_t iphi,
Double_t  stepmax = TGeoShape::Big() 
) const
protected

Mutex for thread data.

Returns lists of PGON phi crossings for a ray starting from POINT.

Definition at line 530 of file TGeoPgon.cxx.

◆ GetPointsOnSegments()

virtual Bool_t TGeoPgon::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 TGeoPcon.

Definition at line 84 of file TGeoPgon.h.

◆ GetThreadData()

TGeoPgon::ThreadData_t & TGeoPgon::GetThreadData ( ) const

Definition at line 84 of file TGeoPgon.cxx.

◆ InspectShape()

void TGeoPgon::InspectShape ( ) const
virtual

Inspect the PGON parameters.

Reimplemented from TGeoPcon.

Definition at line 1408 of file TGeoPgon.cxx.

◆ IsCrossingSlice()

Bool_t TGeoPgon::IsCrossingSlice ( const Double_t point,
const Double_t dir,
Int_t  iphi,
Double_t  sstart,
Int_t ipl,
Double_t snext,
Double_t  stepmax 
) const
protected

Check crossing of a given pgon slice, from a starting point inside the slice.

Definition at line 989 of file TGeoPgon.cxx.

◆ LocatePhi()

void TGeoPgon::LocatePhi ( const Double_t point,
Int_t ipsec 
) const
protected

Locates index IPSEC of the phi sector containing POINT.

Definition at line 519 of file TGeoPgon.cxx.

◆ MakeBuffer3D()

TBuffer3D * TGeoPgon::MakeBuffer3D ( ) const
virtual

Creates a TBuffer3D describing this shape.

Coordinates are in local reference frame.

Reimplemented from TGeoPcon.

Definition at line 1419 of file TGeoPgon.cxx.

◆ Rpg()

Double_t TGeoPgon::Rpg ( Double_t  z,
Int_t  ipl,
Bool_t  inner,
Double_t a,
Double_t b 
) const
protected

Computes projected pgon radius (inner or outer) corresponding to a given Z value.

Fills corresponding coefficients of: Rpg(z) = a + b*z

Note: ipl must be in range [0,fNz-2]

Definition at line 1626 of file TGeoPgon.cxx.

◆ Rproj()

Double_t TGeoPgon::Rproj ( Double_t  z,
const Double_t point,
const Double_t dir,
Double_t  cphi,
Double_t  sphi,
Double_t a,
Double_t b 
) const
protected

Computes projected distance at a given Z for a given ray inside a given sector and fills coefficients: Rproj = a + b*z

Definition at line 1660 of file TGeoPgon.cxx.

◆ Safety()

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

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 TGeoPcon.

Definition at line 1746 of file TGeoPgon.cxx.

◆ Safety_v()

void TGeoPgon::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 TGeoPcon.

Definition at line 2037 of file TGeoPgon.cxx.

◆ SafetyToSegment()

Double_t TGeoPgon::SafetyToSegment ( const Double_t point,
Int_t  ipl,
Int_t  iphi,
Bool_t  in,
Double_t  safphi,
Double_t  safmin = TGeoShape::Big() 
) const

Compute safety from POINT to segment between planes ipl, ipl+1 within safmin.

Definition at line 1676 of file TGeoPgon.cxx.

◆ SavePrimitive()

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

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

Reimplemented from TGeoPcon.

Definition at line 1823 of file TGeoPgon.cxx.

◆ SetDimensions()

void TGeoPgon::SetDimensions ( Double_t param)
virtual

Set PGON dimensions starting from an array.

Reimplemented from TGeoPcon.

Definition at line 1845 of file TGeoPgon.cxx.

◆ SetNedges()

void TGeoPgon::SetNedges ( Int_t  ne)
inline

Definition at line 92 of file TGeoPgon.h.

◆ SetPoints() [1/2]

void TGeoPgon::SetPoints ( Double_t points) const
virtual

create polygone mesh points

Reimplemented from TGeoPcon.

Definition at line 1870 of file TGeoPgon.cxx.

◆ SetPoints() [2/2]

void TGeoPgon::SetPoints ( Float_t points) const
virtual

create polygone mesh points

Reimplemented from TGeoPcon.

Definition at line 1900 of file TGeoPgon.cxx.

◆ SetSegsAndPols()

void TGeoPgon::SetSegsAndPols ( TBuffer3D buff) const
virtual

Fill TBuffer3D structure for segments and polygons.

Reimplemented from TGeoPcon.

Definition at line 1445 of file TGeoPgon.cxx.

◆ Sizeof3D()

void TGeoPgon::Sizeof3D ( ) const
virtual

fill size of this 3-D object

Reimplemented from TGeoPcon.

Definition at line 1953 of file TGeoPgon.cxx.

◆ SliceCrossing()

Bool_t TGeoPgon::SliceCrossing ( const Double_t point,
const Double_t dir,
Int_t  nphi,
Int_t iphi,
Double_t stepphi,
Double_t snext,
Double_t  stepmax 
) const
protected

Check boundary crossing inside phi slices.

Return distance snext to first crossing if smaller than stepmax.

Definition at line 900 of file TGeoPgon.cxx.

◆ SliceCrossingIn()

Bool_t TGeoPgon::SliceCrossingIn ( const Double_t point,
const Double_t dir,
Int_t  ipl,
Int_t  nphi,
Int_t iphi,
Double_t stepphi,
Double_t snext,
Double_t  stepmax 
) const
protected

Check boundary crossing inside phi slices.

Return distance snext to first crossing if smaller than stepmax. Protection in case point is in phi gap or close to phi boundaries and exiting

Definition at line 764 of file TGeoPgon.cxx.

◆ SliceCrossingInZ()

Bool_t TGeoPgon::SliceCrossingInZ ( const Double_t point,
const Double_t dir,
Int_t  nphi,
Int_t iphi,
Double_t sphi,
Double_t snext,
Double_t  stepmax 
) const
protected

Performs ray propagation between Z segments.

Definition at line 610 of file TGeoPgon.cxx.

◆ SliceCrossingZ()

Bool_t TGeoPgon::SliceCrossingZ ( const Double_t point,
const Double_t dir,
Int_t  nphi,
Int_t iphi,
Double_t sphi,
Double_t snext,
Double_t  stepmax 
) const
protected

Performs ray propagation between Z segments.

Definition at line 683 of file TGeoPgon.cxx.

Member Data Documentation

◆ fMutex

std::mutex TGeoPgon::fMutex
mutableprotected

Size for the navigation data array.

Definition at line 39 of file TGeoPgon.h.

◆ fNedges

Int_t TGeoPgon::fNedges
protected

Definition at line 36 of file TGeoPgon.h.

◆ fThreadData

std::vector<ThreadData_t*> TGeoPgon::fThreadData
mutableprotected

Definition at line 37 of file TGeoPgon.h.

◆ fThreadSize

Int_t TGeoPgon::fThreadSize
mutableprotected

Navigation data per thread.

Definition at line 38 of file TGeoPgon.h.

Libraries for TGeoPgon:
[legend]

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