library: libGeom
#include "TGeoCone.h"

TGeoCone


class description - source file - inheritance tree (.pdf)

class TGeoCone : public TGeoBBox

Inheritance Chart:
TObject
<-
TNamed
<-
TGeoShape
<-
TGeoBBox
<-
TGeoCone
<-
TGeoConeSeg

    public:
TGeoCone() TGeoCone(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) TGeoCone(const char* name, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) TGeoCone(Double_t* params) TGeoCone(const TGeoCone&) virtual ~TGeoCone() static TClass* Class() virtual void ComputeBBox() virtual void ComputeNormal(Double_t* point, Double_t* dir, Double_t* norm) static void ComputeNormalS(Double_t* point, Double_t* dir, Double_t* norm, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) virtual Bool_t Contains(Double_t* point) const virtual Int_t DistancetoPrimitive(Int_t px, Int_t py) virtual Double_t DistFromInside(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = TGeoShape::Big(), Double_t* safe = 0) const static Double_t DistFromInsideS(Double_t* point, Double_t* dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) virtual Double_t DistFromOutside(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = TGeoShape::Big(), Double_t* safe = 0) const static Double_t DistFromOutsideS(Double_t* point, Double_t* dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) static void DistToCone(Double_t* point, Double_t* dir, Double_t dz, Double_t r1, Double_t r2, Double_t& b, Double_t& delta) virtual TGeoVolume* Divide(TGeoVolume* voldiv, const char* divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) virtual const char* GetAxisName(Int_t iaxis) const virtual Double_t GetAxisRange(Int_t iaxis, Double_t& xlo, Double_t& xhi) const virtual void GetBoundingCylinder(Double_t* param) const virtual const TBuffer3D& GetBuffer3D(Int_t reqSections, Bool_t localFrame) const virtual Int_t GetByteCount() const virtual Double_t GetDz() const virtual TGeoShape* GetMakeRuntimeShape(TGeoShape* mother, TGeoMatrix* mat) const virtual Int_t GetNmeshVertices() const virtual Double_t GetRmax1() const virtual Double_t GetRmax2() const virtual Double_t GetRmin1() const virtual Double_t GetRmin2() const virtual void InspectShape() const virtual TClass* IsA() const virtual Bool_t IsCylType() const virtual TBuffer3D* MakeBuffer3D() const TGeoCone& operator=(const TGeoCone&) virtual Double_t Safety(Double_t* point, Bool_t in = kTRUE) const static Double_t SafetyS(Double_t* point, Bool_t in, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Int_t skipz = 0) virtual void SavePrimitive(ofstream& out, Option_t* option) void SetConeDimensions(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) virtual void SetDimensions(Double_t* param) virtual void SetPoints(Double_t* points) const virtual void SetPoints(Float_t* points) const virtual void SetSegsAndPols(TBuffer3D& buffer) const virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Sizeof3D() const virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

Data Members


    protected:
Double_t fDz half length Double_t fRmin1 inner radius at -dz Double_t fRmax1 outer radius at -dz Double_t fRmin2 inner radius at +dz Double_t fRmax2 outer radius at +dz

Class Description


TGeoCone()
 Default constructor

TGeoCone(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) :TGeoBBox(0, 0, 0)
 Default constructor specifying minimum and maximum radius

TGeoCone(const char *name, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2) :TGeoBBox(name, 0, 0, 0)
 Default constructor specifying minimum and maximum radius

TGeoCone(Double_t *param) :TGeoBBox(0, 0, 0)
 Default constructor specifying minimum and maximum radius
 param[0] = dz
 param[1] = Rmin1
 param[2] = Rmax1
 param[3] = Rmin2
 param[4] = Rmax2

~TGeoCone()
 destructor

void ComputeBBox()
 compute bounding box of the sphere

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

void ComputeNormalS(Double_t *point, Double_t *dir, Double_t *norm, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
 Compute normal to closest surface from POINT.

Bool_t Contains(Double_t *point) const
 test if point is inside this cone

Double_t DistFromInsideS(Double_t *point, Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
 Compute distance from inside point to surface of the cone (static)
 Boundary safe algorithm.

Double_t DistFromInside(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const
 Compute distance from inside point to surface of the cone
 Boundary safe algorithm.

Double_t DistFromOutsideS(Double_t *point, Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
 Compute distance from outside point to surface of the tube
 Boundary safe algorithm.
 compute distance to Z planes

Double_t DistFromOutside(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const
 compute distance from outside point to surface of the tube
 compute safe radius

void DistToCone(Double_t *point, Double_t *dir, Double_t dz, Double_t r1, Double_t r2, Double_t &b, Double_t &delta)
 Static method to compute distance to a conical surface with :
 - r1, z1 - radius and Z position of lower base
 - r2, z2 - radius and Z position of upper base

Int_t DistancetoPrimitive(Int_t px, Int_t py)
 compute closest distance from point px,py to each corner

TGeoVolume* Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
--- Divide this cone 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. For Z division
 creates all volumes with different shapes and returns pointer to volume that
 was divided. In case a wrong division axis is supplied, returns pointer to
 volume that was divided.

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

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

void GetBoundingCylinder(Double_t *param) const
--- Fill vector param[4] with the bounding cylinder parameters. The order
 is the following : Rmin, Rmax, Phi1, Phi2, dZ

TGeoShape* GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix * /*mat*/) const
 in case shape has some negative parameters, these has to be computed
 in order to fit the mother

void InspectShape() const
 print shape parameters

TBuffer3D* MakeBuffer3D() const
 Creates a TBuffer3D describing *this* shape.
 Coordinates are in local reference frame.

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

Double_t Safety(Double_t *point, Bool_t in) const
 computes the closest distance from given point to this shape, according
 to option. The matching point on the shape is stored in spoint.

Double_t SafetyS(Double_t *point, Bool_t in, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Int_t skipz)
 computes the closest distance from given point to this shape, according
 to option. The matching point on the shape is stored in spoint.

void SavePrimitive(ofstream &out, Option_t * /*option*/)
 Save a primitive as a C++ statement(s) on output stream "out".

void SetConeDimensions(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)

void SetDimensions(Double_t *param)

void SetPoints(Double_t *points) const
 create cone mesh points

void SetPoints(Float_t *points) const
 create cone mesh points

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

void Sizeof3D() const
/// fill size of this 3-D object
/    TVirtualGeoPainter *painter = gGeoManager->GetGeomPainter();
/    if (!painter) return;
/    Int_t n = gGeoManager->GetNsegments();
/    Int_t numPoints = n*4;
/    Int_t numSegs   = n*8;
/    Int_t numPolys  = n*4;
/    painter->AddSize3D(numPoints, numSegs, numPolys);

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



Inline Functions


              Int_t GetByteCount() const
           Double_t GetDz() const
           Double_t GetRmin1() const
           Double_t GetRmax1() const
           Double_t GetRmin2() const
           Double_t GetRmax2() const
             Bool_t IsCylType() const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
           TGeoCone TGeoCone(const TGeoCone&)
          TGeoCone& operator=(const TGeoCone&)


Author: Andrei Gheata 31/01/02
Last update: root/geom:$Name: $:$Id: TGeoCone.cxx,v 1.53 2005/09/04 15:12:08 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *


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