// @(#)root/geom:$Id: TGeoShape.h 24870 2008-07-17 16:30:58Z brun $ // 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_TGeoShape #define ROOT_TGeoShape #ifndef ROOT_TNamed #include "TNamed.h" #endif // forward declarations class TGeoBoolCombinator; class TGeoBBox; class TGeoMatrix; class TGeoHMatrix; class TGeoVolume; class TBuffer3D; //////////////////////////////////////////////////////////////////////////// // // // TGeoShape - base class for geometric shapes. Provides virtual methods // // for point and segment classification that has to be implemented by // // all classes inheriting from it. // // // //////////////////////////////////////////////////////////////////////////// class TGeoShape : public TNamed { private: static TGeoMatrix *fgTransform; // current transformation matrix that applies to shape public: 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) }; protected : // data members Int_t fShapeId; // shape id UInt_t fShapeBits; // shape bits // methods virtual void FillBuffer3D(TBuffer3D & buffer, Int_t reqSections, Bool_t localFrame) const; Int_t GetBasicColor() const; void SetOnBoundary(Bool_t /*flag=kTRUE*/) {;} void TransformPoints(Double_t *points, UInt_t NbPoints) const; public: // constructors TGeoShape(); TGeoShape(const char *name); // destructor virtual ~TGeoShape(); // methods static Double_t Big() {return 1.E30;} static TGeoMatrix *GetTransform(); static void SetTransform(TGeoMatrix *matrix); static Double_t Tolerance() {return 1.E-10;} virtual Double_t Capacity() const = 0; virtual void ComputeBBox() = 0; virtual void ComputeNormal(Double_t *point, Double_t *dir, Double_t *norm) = 0; virtual Bool_t Contains(Double_t *point) const = 0; virtual Bool_t CouldBeCrossed(Double_t *point, Double_t *dir) const = 0; virtual Int_t DistancetoPrimitive(Int_t px, Int_t py) = 0; virtual Double_t DistFromInside(Double_t *point, Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const = 0; virtual Double_t DistFromOutside(Double_t *point, Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const = 0; static Double_t DistToPhiMin(Double_t *point, 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); virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) = 0; virtual void Draw(Option_t *option=""); // *MENU* virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py); 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 TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const; virtual Int_t GetByteCount() const = 0; virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) 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 {return fShapeId;} virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const = 0; virtual void GetMeshNumbers(Int_t &/*nvert*/, Int_t &/*nsegs*/, Int_t &/*npols*/) const {;} virtual const char *GetName() const; virtual Int_t GetNmeshVertices() const {return 0;} char *GetPointerName() const; virtual Bool_t IsComposite() const {return kFALSE;} virtual Bool_t IsCylType() const = 0; static Bool_t IsCloseToPhi(Double_t epsil, Double_t *point, Double_t c1, Double_t s1, Double_t c2, Double_t s2); static Bool_t IsCrossingSemiplane(Double_t *point, Double_t *dir, Double_t cphi, Double_t sphi, Double_t &snext, Double_t &rxy); static Bool_t IsInPhiRange(Double_t *point, Double_t phi1, Double_t phi2); virtual Bool_t IsReflected() const {return kFALSE;} Bool_t IsRunTimeShape() const {return TestShapeBit(kGeoRunTimeShape);} Bool_t IsValid() const {return !TestShapeBit(kGeoInvalidShape);} virtual Bool_t IsValidBox() const = 0; virtual void InspectShape() const = 0; virtual TBuffer3D *MakeBuffer3D() const {return 0;} static void NormalPhi(Double_t *point, Double_t *dir, Double_t *norm, Double_t c1, Double_t s1, Double_t c2, Double_t s2); virtual void Paint(Option_t *option=""); virtual Double_t Safety(Double_t *point, Bool_t in=kTRUE) const = 0; static Double_t SafetyPhi(Double_t *point, Bool_t in, Double_t phi1, Double_t phi2); virtual void SetDimensions(Double_t *param) = 0; void SetId(Int_t id) {fShapeId = id;} virtual void SetPoints(Double_t *points) const = 0; virtual void SetPoints(Float_t *points) const = 0; virtual void SetSegsAndPols(TBuffer3D &buff) const = 0; void SetRuntime(Bool_t flag=kTRUE) {SetShapeBit(kGeoRunTimeShape, flag);} Int_t ShapeDistancetoPrimitive(Int_t numpoints, Int_t px, Int_t py) const; virtual void Sizeof3D() const = 0; //----- bit manipulation void SetShapeBit(UInt_t f, Bool_t set); void SetShapeBit(UInt_t f) { fShapeBits |= f & kBitMask32; } void ResetShapeBit(UInt_t f) { fShapeBits &= ~(f & kBitMask32); } Bool_t TestShapeBit(UInt_t f) const { return (Bool_t) ((fShapeBits & f) != 0); } Int_t TestShapeBits(UInt_t f) const { return (Int_t) (fShapeBits & f); } void InvertShapeBit(UInt_t f) { fShapeBits ^= f & kBitMask32; } ClassDef(TGeoShape, 2) // base class for shapes }; #endif