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TAttBBox Class Referenceabstract
Core ROOT classes » Base ROOT classes | Graphics » Graphics attributes

Helper for management of bounding-box information.

Optionally used by classes that use direct OpenGL rendering via <Class>GL class.

Definition at line 17 of file TAttBBox.h.

Public Member Functions

 TAttBBox ()
 
virtual ~TAttBBox ()
 
Float_t * AssertBBox ()
 
virtual void ComputeBBox ()=0
 
Float_t * GetBBox ()
 
Bool_t GetBBoxOK () const
 
TAttBBox & operator= (const TAttBBox &tab)
 
void ResetBBox ()
 
void SetupBBoxCube (Float_t extent, Float_t x, Float_t y, Float_t z)
 Setup bounding box as cube with given extent and center position. More...
 

Protected Member Functions

 TAttBBox (const TAttBBox &tab)
 
void AssertBBoxExtents (Float_t epsilon=0.005)
 Assert extents of all sides of the bounding-box are at least epsilon. More...
 
void BBoxCheckPoint (const Float_t *p)
 
void BBoxCheckPoint (Float_t x, Float_t y, Float_t z)
 
void BBoxClear ()
 Remove BBox information. More...
 
void BBoxInit (Float_t infinity=1e6)
 Dynamic Float_t[6] X(min,max), Y(min,max), Z(min,max) More...
 
void BBoxZero (Float_t epsilon=0, Float_t x=0, Float_t y=0, Float_t z=0)
 Create cube of volume (2*epsilon)^3 at (x,y,z). More...
 

Protected Attributes

Float_t * fBBox
 

#include <TAttBBox.h>

Inheritance diagram for TAttBBox:
[legend]

Constructor & Destructor Documentation

◆ TAttBBox() [1/2]

TAttBBox::TAttBBox ( const TAttBBox &  tab)
inlineprotected

Definition at line 31 of file TAttBBox.h.

◆ TAttBBox() [2/2]

TAttBBox::TAttBBox ( )
inline

Definition at line 36 of file TAttBBox.h.

◆ ~TAttBBox()

virtual TAttBBox::~TAttBBox ( )
inlinevirtual

Definition at line 37 of file TAttBBox.h.

Member Function Documentation

◆ AssertBBox()

Float_t * TAttBBox::AssertBBox ( )
inline

Definition at line 45 of file TAttBBox.h.

◆ AssertBBoxExtents()

void TAttBBox::AssertBBoxExtents ( Float_t  epsilon = 0.005)
protected

Assert extents of all sides of the bounding-box are at least epsilon.

Definition at line 62 of file TAttBBox.cxx.

◆ BBoxCheckPoint() [1/2]

void TAttBBox::BBoxCheckPoint ( const Float_t *  p)
inlineprotected

Definition at line 68 of file TAttBBox.h.

◆ BBoxCheckPoint() [2/2]

void TAttBBox::BBoxCheckPoint ( Float_t  x,
Float_t  y,
Float_t  z 
)
inlineprotected

Definition at line 58 of file TAttBBox.h.

◆ BBoxClear()

void TAttBBox::BBoxClear ( )
protected

Remove BBox information.

Definition at line 54 of file TAttBBox.cxx.

◆ BBoxInit()

void TAttBBox::BBoxInit ( Float_t  infinity = 1e6)
protected

Dynamic Float_t[6] X(min,max), Y(min,max), Z(min,max)

Allocate and prepare for incremental filling.

Definition at line 29 of file TAttBBox.cxx.

◆ BBoxZero()

void TAttBBox::BBoxZero ( Float_t  epsilon = 0,
Float_t  x = 0,
Float_t  y = 0,
Float_t  z = 0 
)
protected

Create cube of volume (2*epsilon)^3 at (x,y,z).

epsilon is zero by default.

Definition at line 42 of file TAttBBox.cxx.

◆ ComputeBBox()

virtual void TAttBBox::ComputeBBox ( )
pure virtual

Implemented in TEveArrow, TEveBox, TEveBoxProjected, TEveBoxSet, TEveCalo3D, TEveCalo2D, TEveCaloLego, TEveGeoShape, TEveGeoShapeProjected, TEveJetCone, TEveJetConeProjected, TEvePolygonSetProjected, TEveProjectionAxes, TEveProjectionManager, TEveQuadSet, TEveStraightLineSet, TEveText, TEveTrack, TEveTriangleSet, TPointSet3D, ROOT::Experimental::REveGeoShape, ROOT::Experimental::REveGeoShapeProjected, ROOT::Experimental::REveJetCone, ROOT::Experimental::REveJetConeProjected, ROOT::Experimental::REvePointSet, ROOT::Experimental::REvePolygonSetProjected, ROOT::Experimental::REveProjectionManager, ROOT::Experimental::REveStraightLineSet, and ROOT::Experimental::REveTrack.

◆ GetBBox()

Float_t * TAttBBox::GetBBox ( )
inline

Definition at line 44 of file TAttBBox.h.

◆ GetBBoxOK()

Bool_t TAttBBox::GetBBoxOK ( ) const
inline

Definition at line 43 of file TAttBBox.h.

◆ operator=()

TAttBBox & TAttBBox::operator= ( const TAttBBox &  tab)
inline

Definition at line 39 of file TAttBBox.h.

◆ ResetBBox()

void TAttBBox::ResetBBox ( )
inline

Definition at line 46 of file TAttBBox.h.

◆ SetupBBoxCube()

void TAttBBox::SetupBBoxCube ( Float_t  extent,
Float_t  x,
Float_t  y,
Float_t  z 
)

Setup bounding box as cube with given extent and center position.

Definition at line 76 of file TAttBBox.cxx.

Member Data Documentation

◆ fBBox

Float_t* TAttBBox::fBBox
protected

Definition at line 20 of file TAttBBox.h.

The documentation for this class was generated from the following files: