// @(#)root/geom:$Id$ // Author: Mihaela Gheata 24/01/04 /************************************************************************* * 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_TGeoXtru #define ROOT_TGeoXtru #ifndef ROOT_TGeoBBox #include "TGeoBBox.h" #endif class TGeoPolygon; //////////////////////////////////////////////////////////////////////////// // // // TGeoXtru - An extrusion with fixed outline shape in x-y and a sequence // // of z extents (segments). The overall scale of the outline scales // // linearly between z points and the center can have an x-y offset. // // // // Based on the initial implementation of R. Hatcher // // // //////////////////////////////////////////////////////////////////////////// class TGeoXtru : public TGeoBBox { public: struct ThreadData_t { Int_t fSeg; // !current segment [0,fNvert-1] Int_t fIz; // !current z plane [0,fNz-1] Double_t *fXc; // ![fNvert] current X positions for polygon vertices Double_t *fYc; // ![fNvert] current Y positions for polygon vertices TGeoPolygon *fPoly; // !polygon defining section shape ThreadData_t(); ~ThreadData_t(); }; ThreadData_t& GetThreadData() const; virtual void ClearThreadData() const; virtual void CreateThreadData(Int_t nthreads); protected: // data members Int_t fNvert; // number of vertices of the 2D polygon (at least 3) Int_t fNz; // number of z planes (at least two) Double_t fZcurrent; // current Z position Double_t *fX; //[fNvert] X positions for polygon vertices Double_t *fY; //[fNvert] Y positions for polygon vertices Double_t *fZ; //[fNz] array of Z planes positions Double_t *fScale; //[fNz] array of scale factors (for each Z) Double_t *fX0; //[fNz] array of X offsets (for each Z) Double_t *fY0; //[fNz] array of Y offsets (for each Z) mutable std::vector fThreadData; //! Navigation data per thread mutable Int_t fThreadSize; //! size of thread-specific array TGeoXtru(const TGeoXtru&); TGeoXtru& operator=(const TGeoXtru&); // methods Double_t DistToPlane(const Double_t *point, const Double_t *dir, Int_t iz, Int_t ivert, Double_t stepmax, Bool_t in) const; void GetPlaneVertices(Int_t iz, Int_t ivert, Double_t *vert) const; void GetPlaneNormal(const Double_t *vert, Double_t *norm) const; Bool_t IsPointInsidePlane(const Double_t *point, Double_t *vert, Double_t *norm) const; Double_t SafetyToSector(const Double_t *point, Int_t iz, Double_t safmin, Bool_t in); void SetIz(Int_t iz); void SetSeg(Int_t iseg); public: // constructors TGeoXtru(); TGeoXtru(Int_t nz); TGeoXtru(Double_t *param); // destructor virtual ~TGeoXtru(); // methods virtual Double_t Capacity() const; virtual void ComputeBBox(); virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm); virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize); virtual Bool_t Contains(const Double_t *point) const; virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const; Bool_t DefinePolygon(Int_t nvert, const Double_t *xv, const Double_t *yv); virtual void DefineSection(Int_t snum, Double_t z, Double_t x0=0., Double_t y0=0., Double_t scale=1.); 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; virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) 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; virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const; virtual Int_t DistancetoPrimitive(Int_t px, Int_t py); void DrawPolygon(Option_t *option=""); virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const; // virtual Int_t GetByteCount() const {return 60+12*fNz;} Int_t GetNz() const {return fNz;} Int_t GetNvert() const {return fNvert;} Double_t GetX(Int_t i) const {return (i-1 &&fX!=0) ? fX[i] : -1.0E10;} Double_t GetY(Int_t i) const {return (i-1 &&fY!=0) ? fY[i] : -1.0E10;} Double_t GetXOffset(Int_t i) const {return (i-1 && fX0!=0) ? fX0[i] : 0.0;} Double_t GetYOffset(Int_t i) const {return (i-1 && fY0!=0) ? fY0[i] : 0.0;} Double_t GetScale(Int_t i) const {return (i-1 && fScale!=0) ? fScale[i] : 1.0;} Double_t *GetZ() const {return fZ;} Double_t GetZ(Int_t ipl) const; virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;} virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const; virtual Int_t GetNmeshVertices() const; virtual void InspectShape() const; virtual TBuffer3D *MakeBuffer3D() const; Double_t &Z(Int_t ipl) {return fZ[ipl];} virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const; virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const; virtual void SavePrimitive(std::ostream &out, Option_t *option = ""); void SetCurrentZ(Double_t z, Int_t iz); void SetCurrentVertices(Double_t x0, Double_t y0, Double_t scale); virtual void SetDimensions(Double_t *param); virtual void SetPoints(Double_t *points) const; virtual void SetPoints(Float_t *points) const; virtual void SetSegsAndPols(TBuffer3D &buff) const; virtual void Sizeof3D() const; ClassDef(TGeoXtru, 3) // extruded polygon class }; #endif