include/root/TGeoBBox.h

0001 // @(#)root/geom:$Id$
0002 // Author: Andrei Gheata   24/10/01
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_TGeoBBox
0013 #define ROOT_TGeoBBox
0014
0015 #include "TGeoShape.h"
0016
0017 class TGeoBBox : public TGeoShape {
0018 protected:
0019    // data members
0020    Double_t fDX;        // X half-length
0021    Double_t fDY;        // Y half-length
0022    Double_t fDZ;        // Z half-length
0023    Double_t fOrigin[3]; // box origin
0024                         // methods
0025    void FillBuffer3D(TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const override;
0026
0027    TGeoBBox(const TGeoBBox &) = delete;
0028    TGeoBBox &operator=(const TGeoBBox &) = delete;
0029
0030 public:
0031    // constructors
0032    TGeoBBox();
0033    TGeoBBox(Double_t dx, Double_t dy, Double_t dz, Double_t *origin = nullptr);
0034    TGeoBBox(const char *name, Double_t dx, Double_t dy, Double_t dz, Double_t *origin = nullptr);
0035    TGeoBBox(Double_t *param);
0036    // destructor
0037    ~TGeoBBox() override;
0038    // methods
0039
0040    Double_t Capacity() const override;
0041    void ComputeBBox() override;
0042    void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) const override;
0043    void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override;
0044    Bool_t Contains(const Double_t *point) const override;
0045    void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override;
0046    static Bool_t Contains(const Double_t *point, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin);
0047    Bool_t CouldBeCrossed(const Double_t *point, const Double_t *dir) const override;
0048    Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
0049    Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact = 1, Double_t step = TGeoShape::Big(),
0050                            Double_t *safe = nullptr) const override;
0051    void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
0052                          Double_t *step) const override;
0053    static Double_t DistFromInside(const Double_t *point, const Double_t *dir, Double_t dx, Double_t dy, Double_t dz,
0054                                   const Double_t *origin, Double_t stepmax = TGeoShape::Big());
0055    Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact = 1,
0056                             Double_t step = TGeoShape::Big(), Double_t *safe = nullptr) const override;
0057    void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
0058                           Double_t *step) const override;
0059    static Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Double_t dx, Double_t dy, Double_t dz,
0060                                    const Double_t *origin, Double_t stepmax = TGeoShape::Big());
0061    TGeoVolume *
0062    Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override;
0063    const char *GetAxisName(Int_t iaxis) const override;
0064    Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const override;
0065    void GetBoundingCylinder(Double_t *param) const override;
0066    const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override;
0067    Int_t GetByteCount() const override { return 36; }
0068    virtual Double_t GetFacetArea(Int_t index = 0) const;
0069    virtual Bool_t GetPointsOnFacet(Int_t index, Int_t npoints, Double_t *array) const;
0070    Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const override;
0071    Int_t
0072    GetFittingBox(const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const override;
0073    TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const override;
0074    void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override;
0075    Int_t GetNmeshVertices() const override { return 8; }
0076    virtual Double_t GetDX() const { return fDX; }
0077    virtual Double_t GetDY() const { return fDY; }
0078    virtual Double_t GetDZ() const { return fDZ; }
0079    virtual const Double_t *GetOrigin() const { return fOrigin; }
0080    void InspectShape() const override;
0081    Bool_t IsCylType() const override { return kFALSE; }
0082    Bool_t IsValidBox() const override { return ((fDX < 0) || (fDY < 0) || (fDZ < 0)) ? kFALSE : kTRUE; }
0083    virtual Bool_t IsNullBox() const { return ((fDX < 1.E-16) && (fDY < 1.E-16) && (fDZ < 1.E-16)) ? kTRUE : kFALSE; }
0084    TBuffer3D *MakeBuffer3D() const override;
0085    Double_t Safety(const Double_t *point, Bool_t in = kTRUE) const override;
0086    void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override;
0087    void SavePrimitive(std::ostream &out, Option_t *option = "") override;
0088    void SetBoxDimensions(Double_t dx, Double_t dy, Double_t dz, Double_t *origin = nullptr);
0089    void SetDimensions(Double_t *param) override;
0090    void SetBoxPoints(Double_t *points) const;
0091    void SetPoints(Double_t *points) const override;
0092    void SetPoints(Float_t *points) const override;
0093    void SetSegsAndPols(TBuffer3D &buffer) const override;
0094    void Sizeof3D() const override;
0095
0096    ClassDefOverride(TGeoBBox, 1) // box primitive
0097 };
0098
0099 #endif