TGeoCone.h

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// @(#)root/geom:$Id$
// Author: Andrei Gheata   31/01/02
 
/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT_TGeoCone
#define ROOT_TGeoCone
 
#include "TGeoBBox.h"
 
class TGeoCone : public TGeoBBox {
protected:
   // data members
   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
                    // methods
   TGeoCone(const TGeoCone &) = delete;
   TGeoCone &operator=(const TGeoCone &) = delete;
 
public:
   // constructors
   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);
   // destructor
   ~TGeoCone() override;
   // methods
 
   Double_t Capacity() const override;
   static Double_t Capacity(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2);
   void ComputeBBox() override;
   void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) override;
   void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override;
   static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t dz, Double_t rmin1,
                              Double_t rmax1, Double_t rmin2, Double_t rmax2);
   Bool_t Contains(const Double_t *point) const override;
   void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override;
   Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
   static void DistToCone(const Double_t *point, const Double_t *dir, Double_t dz, Double_t r1, Double_t r2,
                          Double_t &b, Double_t &delta);
   static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1,
                                   Double_t rmax1, Double_t rmin2, Double_t rmax2);
   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;
   void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
                         Double_t *step) const override;
   static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1,
                                    Double_t rmax1, Double_t rmin2, Double_t rmax2);
   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;
   void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
                          Double_t *step) const override;
   TGeoVolume *
   Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override;
 
   const char *GetAxisName(Int_t iaxis) const override;
   Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const override;
   void GetBoundingCylinder(Double_t *param) const override;
   Int_t GetByteCount() const override { return 56; }
   const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override;
   virtual Double_t GetDz() const { return fDz; }
   TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const override;
   void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override;
   Int_t GetNmeshVertices() const override;
   Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const override;
   virtual Double_t GetRmin1() const { return fRmin1; }
   virtual Double_t GetRmax1() const { return fRmax1; }
   virtual Double_t GetRmin2() const { return fRmin2; }
   virtual Double_t GetRmax2() const { return fRmax2; }
 
   void InspectShape() const override;
   Bool_t IsCylType() const override { return kTRUE; }
   TBuffer3D *MakeBuffer3D() const override;
   Double_t Safety(const Double_t *point, Bool_t in = kTRUE) const override;
   void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override;
   static Double_t SafetyS(const 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);
   void SavePrimitive(std::ostream &out, Option_t *option = "") override;
   void SetConeDimensions(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2);
   void SetDimensions(Double_t *param) override;
   void SetPoints(Double_t *points) const override;
   void SetPoints(Float_t *points) const override;
   void SetSegsAndPols(TBuffer3D &buffer) const override;
   void Sizeof3D() const override;
 
   ClassDefOverride(TGeoCone, 1) // conical tube class
};
 
class TGeoConeSeg : public TGeoCone {
protected:
   // data members
   Double_t fPhi1; // first phi limit
   Double_t fPhi2; // second phi limit
   // Transient trigonometric data
   Double_t fS1;   // sin(phi1)
   Double_t fC1;   // cos(phi1)
   Double_t fS2;   // sin(phi2)
   Double_t fC2;   // cos(phi2)
   Double_t fSm;   // sin(0.5*(phi1+phi2))
   Double_t fCm;   // cos(0.5*(phi1+phi2))
   Double_t fCdfi; // cos(0.5*(phi1-phi2))
 
   void InitTrigonometry();
 
public:
   // constructors
   TGeoConeSeg();
   TGeoConeSeg(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t phi1,
               Double_t phi2);
   TGeoConeSeg(const char *name, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2,
               Double_t phi1, Double_t phi2);
   TGeoConeSeg(Double_t *params);
   // destructor
   ~TGeoConeSeg() override;
   // methods
   void AfterStreamer() override;
   Double_t Capacity() const override;
   static Double_t
   Capacity(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t phi1, Double_t phi2);
   void ComputeBBox() override;
   void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) override;
   void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override;
   static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t dz, Double_t rmin1,
                              Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1, Double_t c2,
                              Double_t s2);
   Bool_t Contains(const Double_t *point) const override;
   void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override;
 
   Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
   static Double_t DistToCons(const Double_t *point, const Double_t *dir, Double_t r1, Double_t z1, Double_t r2,
                              Double_t z2, Double_t phi1, Double_t phi2);
   static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1,
                                   Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1,
                                   Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi);
   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;
   void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
                         Double_t *step) const override;
   static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1,
                                    Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1,
                                    Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi);
   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;
   void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
                          Double_t *step) const override;
   TGeoVolume *
   Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override;
   Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const override;
   void GetBoundingCylinder(Double_t *param) const override;
   const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override;
   Int_t GetByteCount() const override { return 64; }
   TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const override;
   void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override;
   Int_t GetNmeshVertices() const override;
   Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const override;
   Double_t GetPhi1() const { return fPhi1; }
   Double_t GetPhi2() const { return fPhi2; }
   void InspectShape() const override;
   TBuffer3D *MakeBuffer3D() const override;
   Double_t Safety(const Double_t *point, Bool_t in = kTRUE) const override;
   void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override;
   static Double_t SafetyS(const Double_t *point, Bool_t in, Double_t dz, Double_t rmin1, Double_t rmax1,
                           Double_t rmin2, Double_t rmax2, Double_t phi1, Double_t phi2, Int_t skipz = 0);
   void SavePrimitive(std::ostream &out, Option_t *option = "") override;
   void SetConsDimensions(Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t phi1,
                          Double_t phi2);
   void SetDimensions(Double_t *param) override;
   void SetPoints(Double_t *points) const override;
   void SetPoints(Float_t *points) const override;
   void SetSegsAndPols(TBuffer3D &buffer) const override;
   void Sizeof3D() const override;
 
   ClassDefOverride(TGeoConeSeg, 2) // conical tube segment class
};
 
#endif