include/root/TGeoParaboloid.h

0001 // @(#)root/geom:$Id$
0002 // Author: Mihaela Gheata   20/06/04
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012 #ifndef ROOT_TGeoParaboloid
0013 #define ROOT_TGeoParaboloid
0014
0015 #include "TGeoBBox.h"
0016
0017 class TGeoParaboloid : public TGeoBBox {
0018 private:
0019    Double_t fRlo; // radius at z=-dz
0020    Double_t fRhi; // radius at z=+dz
0021    Double_t fDz;  // range on Z axis [-dz, dz]
0022    Double_t fA;   // quadratic coeff.
0023    Double_t fB;   // Z value of parabola at x=y=0
0024
0025    TGeoParaboloid(const TGeoParaboloid &) = delete;
0026    TGeoParaboloid &operator=(const TGeoParaboloid &) = delete;
0027
0028 public:
0029    // constructors
0030    TGeoParaboloid();
0031    TGeoParaboloid(Double_t rlo, Double_t rhi, Double_t dz);
0032    TGeoParaboloid(const char *name, Double_t rlo, Double_t rhi, Double_t dz);
0033    TGeoParaboloid(Double_t *params);
0034    // destructor
0035    ~TGeoParaboloid() override;
0036    // methods
0037    Double_t Capacity() const override;
0038    void ComputeBBox() override;
0039    void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) override;
0040    void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override;
0041    Bool_t Contains(const Double_t *point) const override;
0042    void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override;
0043    Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
0044    Double_t DistToParaboloid(const Double_t *point, const Double_t *dir, Bool_t in) const;
0045    Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact = 1, Double_t step = TGeoShape::Big(),
0046                            Double_t *safe = nullptr) const override;
0047    void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
0048                          Double_t *step) const override;
0049    Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact = 1,
0050                             Double_t step = TGeoShape::Big(), Double_t *safe = nullptr) const override;
0051    void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
0052                           Double_t *step) const override;
0053    TGeoVolume *
0054    Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override;
0055    const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override;
0056    Double_t GetRlo() const { return fRlo; }
0057    Double_t GetRhi() const { return fRhi; }
0058    Double_t GetDz() const { return fDz; }
0059
0060    void GetBoundingCylinder(Double_t *param) const override;
0061    TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const override;
0062    void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override;
0063    Int_t GetNmeshVertices() const override;
0064    Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const override { return kFALSE; }
0065    void InspectShape() const override;
0066    Bool_t IsCylType() const override { return kTRUE; }
0067    TBuffer3D *MakeBuffer3D() const override;
0068    Double_t Safety(const Double_t *point, Bool_t in = kTRUE) const override;
0069    void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override;
0070    void SavePrimitive(std::ostream &out, Option_t *option = "") override;
0071    void SetParaboloidDimensions(Double_t rlo, Double_t rhi, Double_t dz);
0072    void SetDimensions(Double_t *param) override;
0073    void SetPoints(Double_t *points) const override;
0074    void SetPoints(Float_t *points) const override;
0075    void SetSegsAndPols(TBuffer3D &buff) const override;
0076    void Sizeof3D() const override;
0077
0078    ClassDefOverride(TGeoParaboloid, 1) // paraboloid class
0079 };
0080
0081 #endif