library: libCore
#include "TBuffer3D.h"

TBuffer3D

class description - source file - inheritance tree (.pdf)

class TBuffer3D : public TObject

Inheritance Chart:

TObject

TBuffer3D

    private:

                       TBuffer3D(const TBuffer3D&)
                  void Init()
      const TBuffer3D& operator=(const TBuffer3D&) const

    public:

                      TBuffer3D(Int_t type, UInt_t reqPnts = 0, UInt_t reqPntsCapacity = 0, UInt_t reqSegs = 0, UInt_t reqSegsCapacity = 0, UInt_t reqPols = 0, UInt_t reqPolsCapacity = 0)
              virtual ~TBuffer3D()
       static TClass* Class()
                 void ClearSectionsValid()
        static UInt_t DecCSLevel()
        static UInt_t GetCSLevel()
               UInt_t GetSections(UInt_t mask) const
          static void IncCSLevel()
      virtual TClass* IsA() const
               UInt_t NbPnts() const
               UInt_t NbPols() const
               UInt_t NbSegs() const
               Bool_t SectionsValid(UInt_t mask) const
                 void SetAABoundingBox(const Double_t* origin, const Double_t* halfLengths)
                 void SetLocalMasterIdentity()
               Bool_t SetRawSizes(UInt_t reqPnts, UInt_t reqPntsCapacity, UInt_t reqSegs, UInt_t reqSegsCapacity, UInt_t reqPols, UInt_t reqPolsCapacity)
                 void SetSectionsValid(UInt_t mask)
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)
                Int_t Type() const

Data Members

    private:

        const Int_t fType          Primitive type - predefined ones in TBuffer3DTypes.h
             UInt_t fNbPnts        Number of points describing the shape
             UInt_t fNbSegs        Number of segments describing the shape
             UInt_t fNbPols        Number of polygons describing the shape
             UInt_t fPntsCapacity  Current capacity of fPnts space
             UInt_t fSegsCapacity  Current capacity of fSegs space
             UInt_t fPolsCapacity  Current capacity of fSegs space
             UInt_t fSections      Section validity flags
      static UInt_t fCSLevel       

    public:

      static const TBuffer3D::EBoolOpCode kCSUnion          
      static const TBuffer3D::EBoolOpCode kCSIntersection   
      static const TBuffer3D::EBoolOpCode kCSDifference     
      static const TBuffer3D::EBoolOpCode kCSNoOp           
         static const TBuffer3D::ESection kNone             
         static const TBuffer3D::ESection kCore             
         static const TBuffer3D::ESection kBoundingBox      
         static const TBuffer3D::ESection kShapeSpecific    
         static const TBuffer3D::ESection kRawSizes         
         static const TBuffer3D::ESection kRaw              
         static const TBuffer3D::ESection kAll              
                                 TObject* fID               ID/object generating buffer - see TVirtualViewer3D for setting
                                    Int_t fColor            Color index
                                  Short_t fTransparency     Percentage transparency [0,100]
                                   Bool_t fLocalFrame       True = Local, False = Master reference frame
                                   Bool_t fReflection       Matrix is reflection - TODO: REMOVE when OGL viewer rewokred to local frame
                                 Double_t fLocalMaster[16]  Local->Master Matrix - identity if master frame
                                 Double_t fBBVertex[8][3]   8 verticies defining bounding box. 
                                Double_t* fPnts             x0, y0, z0, x1, y1, z1, ..... ..... ....
                                   Int_t* fSegs             c0, p0, q0, c1, p1, q1, ..... ..... ....  
                                   Int_t* fPols             c0, n0, s0, s1, ... sn, c1, n1, s0, ... sn

Class Description

                                                                      
 TBuffer3D                                                            
                                                                      
 Generic 3D primitive description class - see TBuffer3DTypes for      
 producer classes

TBuffer3D(Int_t type, UInt_t reqPnts, UInt_t reqPntsCapacity, UInt_t reqSegs, UInt_t reqSegsCapacity, UInt_t reqPols, UInt_t reqPolsCapacity) : fType(type) // Initialise buffer

 Destructor
 Construct from supplied shape type and raw sizes

~TBuffer3D() // Initialise buffer

 Destructor

void Init()

 Initialise buffer

void ClearSectionsValid()

 Clear any sections marked valid

void SetLocalMasterIdentity()

 Set kRaw tesselation section of buffer with supplied sizes
 Set fLocalMaster in section kCore to identity

void SetAABoundingBox(const Double_t origin[3], const Double_t halfLengths[3])

 Set fBBVertex in kBoundingBox section to a axis aligned (local) BB
 using supplied origin and box half lengths

   7-------6
  /|      /|
 3-------2 |
 | 4-----|-5
 |/      |
 0-------1

Bool_t SetRawSizes(UInt_t reqPnts, UInt_t reqPntsCapacity, UInt_t reqSegs, UInt_t reqSegsCapacity, UInt_t reqPols, UInt_t reqPolsCapacity)

 Set kRaw tesselation section of buffer with supplied sizes

UInt_t GetCSLevel()

void IncCSLevel()

UInt_t DecCSLevel()

Inline Functions

        const TBuffer3D& operator=(const TBuffer3D&) const
               TBuffer3D TBuffer3D(Int_t type, UInt_t reqPnts = 0, UInt_t reqPntsCapacity = 0, UInt_t reqSegs = 0, UInt_t reqSegsCapacity = 0, UInt_t reqPols = 0, UInt_t reqPolsCapacity = 0)
                    void SetSectionsValid(UInt_t mask)
                  Bool_t SectionsValid(UInt_t mask) const
                  UInt_t GetSections(UInt_t mask) const
                  UInt_t NbPnts() const
                  UInt_t NbSegs() const
                  UInt_t NbPols() const
                   Int_t Type() const
                 TClass* Class()
                 TClass* IsA() const
                    void ShowMembers(TMemberInspector& insp, char* parent)
                    void Streamer(TBuffer& b)
                    void StreamerNVirtual(TBuffer& b)

Author: Olivier Couet 05/05/04
Last update: root/base:$Name: $:$Id: TBuffer3D.cxx,v 1.00
Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *

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