Rendering of TH2 and derived classes.

Interface to plot-painters also used for gl-in-pad.

Definition at line 23 of file TH2GL.h.

Public Member Functions
	TH2GL ()
	Constructor.

virtual	~TH2GL ()
	Destructor.

	ClassDef (TH2GL, 0)

virtual void	DirectDraw (TGLRnrCtx &rnrCtx) const
	Render the object.

virtual void	SetBBox ()
	Setup bounding-box.

virtual Bool_t	SetModel (TObject obj, const Option_t opt=nullptr)
	Set model object.

Public Member Functions inherited from TGLPlot3D
	TGLPlot3D ()
	Constructor.

virtual	~TGLPlot3D ()
	Destructor.

virtual TClass *	IsA () const

virtual Bool_t	KeepDuringSmartRefresh () const

virtual void	Streamer (TBuffer &)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TGLObject
	TGLObject ()

virtual	~TGLObject ()

virtual Bool_t	ShouldDLCache (const TGLRnrCtx &rnrCtx) const
	Decide if display-list should be used for this pass rendering, as determined by rnrCtx.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	UpdateBoundingBox ()
	Update bounding box from external source.

Public Member Functions inherited from TGLLogicalShape
	TGLLogicalShape ()
	global flag for usage of display-lists in shapes that use vertex arrays

	TGLLogicalShape (const TBuffer3D &buffer)
	Constructor from TBuffer3D.

	TGLLogicalShape (TObject *obj)
	Constructor with external object.

virtual	~TGLLogicalShape ()
	Destroy logical shape.

void	AddRef (TGLPhysicalShape *phys) const
	Add reference to given physical shape.

virtual Bool_t	AlwaysSecondarySelect () const

const TGLBoundingBox &	BoundingBox () const

void	DestroyPhysicals ()
	Destroy all physicals attached to this logical.

virtual void	DLCacheClear ()
	Clear all entries for all LODs for this drawable from the display list cache but keeping the reserved ids from GL context.

virtual void	DLCacheDrop ()
	Drop all entries for all LODs for this drawable from the display list cache, WITHOUT returning the reserved ids to GL context.

virtual void	DLCachePurge ()
	Purge all entries for all LODs for this drawable from the display list cache, returning the reserved ids to GL context.

virtual UInt_t	DLOffset (Short_t) const

virtual void	Draw (TGLRnrCtx &rnrCtx) const
	Draw the GL drawable, using draw flags.

virtual void	DrawHighlight (TGLRnrCtx &rnrCtx, const TGLPhysicalShape *pshp, Int_t lvl=-1) const
	Draw the logical shape in highlight mode.

TObject *	GetExternal () const

const TGLPhysicalShape *	GetFirstPhysical () const

TGLScene *	GetScene () const

TObject *	ID () const

virtual Bool_t	IgnoreSizeForOfInterest () const
	Return true if size of this shape should be ignored when determining if the object should be drawn.

void	InvokeContextMenu (TContextMenu &menu, UInt_t x, UInt_t y) const
	Invoke popup menu or our bound external TObject (if any), using passed 'menu' object, at location 'x' 'y'.

virtual void	ProcessSelection (TGLRnrCtx &rnrCtx, TGLSelectRecord &rec)
	Virtual method called-back after a secondary selection hit is recorded (see TGLViewer::HandleButton(), Ctrl-Button1).

virtual Short_t	QuantizeShapeLOD (Short_t shapeLOD, Short_t combiLOD) const
	Logical shapes usually support only discreet LOD values, especially in view of display-list caching.

UInt_t	Ref () const

Bool_t	SetDLCache (Bool_t cached)
	Modify capture of draws into display list cache kTRUE - capture, kFALSE direct draw.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

void	StrongRef (Bool_t strong) const

void	SubRef (TGLPhysicalShape *phys) const
	Remove reference to given physical shape, potentially deleting this object when hitting zero ref-count (if fRefStrong is true).

virtual ELODAxes	SupportedLODAxes () const

virtual Bool_t	SupportsSecondarySelect () const

UInt_t	UnrefFirstPhysical ()
	Unreferenced first physical in the list, returning its id and making it fit for destruction somewhere else.

void	UpdateBoundingBoxesOfPhysicals ()
	Update bounding-boxed of all dependent physicals.

Protected Attributes
TH2 *	fM

Protected Attributes inherited from TGLPlot3D
TGLPlotCoordinates	fCoord

TGLPlotPainter *	fPlotPainter

Protected Attributes inherited from TGLObject
Bool_t	fMultiColor

Protected Attributes inherited from TGLLogicalShape
TGLBoundingBox	fBoundingBox
	Also plays the role of ID.

UInt_t	fDLBase
	scene where object is stored (can be zero!)

Bool_t	fDLCache
	display-list validity bit-field

Int_t	fDLSize
	display-list id base

UShort_t	fDLValid
	display-list size for different LODs

TObject *	fExternalObj
	first replica

TGLPhysicalShape *	fFirstPhysical
	physical instance ref counting

Bool_t	fOwnExtObj
	Strong ref (delete on 0 ref); not in scene.

UInt_t	fRef

Bool_t	fRefStrong
	use display list caching

TGLScene *	fScene
	Shape's bounding box.

Private Member Functions
	TH2GL (const TH2GL &)

TH2GL &	operator= (const TH2GL &)

Additional Inherited Members
Public Types inherited from TGLLogicalShape
enum	ELODAxes { kLODAxesNone = 0 , kLODAxesX = 1 << 0 , kLODAxesY = 1 << 1 , kLODAxesZ = 1 << 2 , kLODAxesAll = kLODAxesX \| kLODAxesY \| kLODAxesZ }

Static Public Member Functions inherited from TGLPlot3D
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static TGLPlot3D *	CreatePlot (TH3 h, TPolyMarker3D pm)
	Create GL plot for specified TH3 and polymarker.

static TGLPlot3D *	CreatePlot (TObject obj, const Option_t opt, Bool_t logx, Bool_t logy, Bool_t logz)
	Create GL plot for specified object and options.

static TGLPlot3D *	CreatePlot (TObject obj, const Option_t opt, TVirtualPad *pad)
	Create GL plot for specified object and options.

static const char *	DeclFileName ()

Static Public Member Functions inherited from TGLObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static TClass *	GetGLRenderer (TClass *isa)
	Return direct-rendering GL class for class isa.

Static Public Member Functions inherited from TGLLogicalShape
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Bool_t	GetIgnoreSizeForCameraInterest ()
	Get state of static fgIgnoreSizeForCameraInterest flag.

static void	SetEnvDefaults ()

static void	SetIgnoreSizeForCameraInterest (Bool_t isfci)
	Set state of static fgIgnoreSizeForCameraInterest flag.

Protected Member Functions inherited from TGLPlot3D
void	SetPainter (TGLPlotPainter *p)
	Set painter object and destroy the old one.

Protected Member Functions inherited from TGLObject
template<class TT >
TT *	DynCast (TObject *obj)

void	SetAxisAlignedBBox (const Float_t *p)
	Set axis-aligned bounding-box.

void	SetAxisAlignedBBox (Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax)
	Set axis-aligned bounding-box.

Bool_t	SetModelCheckClass (TObject obj, TClass cls)
	Checks if obj is of proper class and sets the model.

template<class TT >
TT *	SetModelDynCast (TObject *obj)

Protected Member Functions inherited from TGLLogicalShape
void	PurgeDLRange (UInt_t base, Int_t size) const
	External object is a fake.

Static Protected Member Functions inherited from TGLPlot3D
static TGLPlot3D *	InstantiatePlot (TObject *obj)
	Instantiate the correct plot-painter for given object.

Static Protected Attributes inherited from TGLLogicalShape
static Bool_t	fgIgnoreSizeForCameraInterest = kFALSE

static Bool_t	fgUseDLs = kTRUE

static Bool_t	fgUseDLsForVertArrs = kTRUE
	global flag for usage of display-lists

#include <TH2GL.h>

Inheritance diagram for TH2GL:

[legend]

Constructor & Destructor Documentation

◆ TH2GL() [1/2]

TH2GL::TH2GL ( const TH2GL & )

private

◆ TH2GL() [2/2]

TH2GL::TH2GL ( )

Constructor.

Definition at line 39 of file TH2GL.cxx.

◆ ~TH2GL()

TH2GL::~TH2GL ( )

virtual

Destructor.

Definition at line 47 of file TH2GL.cxx.

Member Function Documentation

◆ ClassDef()

TH2GL::ClassDef	(	TH2GL	,
		0
	)

◆ DirectDraw()

void TH2GL::DirectDraw ( TGLRnrCtx & rnrCtx ) const

virtual

Render the object.

Implements TGLLogicalShape.

Definition at line 106 of file TH2GL.cxx.

◆ operator=()

TH2GL & TH2GL::operator= ( const TH2GL & )

private

◆ SetBBox()

void TH2GL::SetBBox ( )

virtual

Setup bounding-box.

Implements TGLObject.

Definition at line 98 of file TH2GL.cxx.

◆ SetModel()

Bool_t TH2GL::SetModel	(	TObject *	obj,
		const Option_t *	opt = `nullptr`
	)

virtual

Set model object.

Implements TGLObject.

Definition at line 54 of file TH2GL.cxx.

Member Data Documentation

◆ fM

TH2* TH2GL::fM

protected

Definition at line 30 of file TH2GL.h.

Libraries for TH2GL:

[legend]

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

graf3d/gl/inc/TH2GL.h
graf3d/gl/src/TH2GL.cxx

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TH2GL() [1/2]

◆ TH2GL() [2/2]

◆ ~TH2GL()

Member Function Documentation

◆ ClassDef()

◆ DirectDraw()

◆ operator=()

◆ SetBBox()

◆ SetModel()

Member Data Documentation

◆ fM