A GL overlay element which displays camera furstum.

Definition at line 25 of file TGLCameraOverlay.h.

Public Types
enum	EMode { kPlaneIntersect , kBar , kAxis , kGridFront , kGridBack }

Public Types inherited from TGLOverlayElement
enum	ERole { kUser , kViewer , kAnnotation , kAll }

enum	EState { kInvisible = 1 , kDisabled = 2 , kActive = 4 , kAllVisible = kDisabled \| kActive }

Public Member Functions
	TGLCameraOverlay (Bool_t showOrtho=kTRUE, Bool_t showPersp=kFALSE)

virtual	~TGLCameraOverlay ()
	Destructor. More...

TAttAxis *	GetAttAxis ()
	Get axis attributes. More...

Int_t	GetOrthographicMode () const

Int_t	GetPerspectiveMode () const

Bool_t	GetShowOrthographic () const

Bool_t	GetShowPerspective () const

Bool_t	GetUseExternalRefPlane () const

TGLPlane &	RefExternalRefPlane ()

virtual void	Render (TGLRnrCtx &rnrCtx)
	Display coordinates info of current frustum. More...

void	SetFrustum (TGLCamera &cam)
	Set frustum values from given camera. More...

void	SetOrthographicMode (EMode m)

void	SetPerspectiveMode (EMode m)

void	SetShowOrthographic (Bool_t x)

void	SetShowPerspective (Bool_t x)

void	UseExternalRefPlane (Bool_t x)

Public Member Functions inherited from TGLOverlayElement
	TGLOverlayElement (ERole r=kUser, EState s=kActive)

virtual	~TGLOverlayElement ()

ERole	GetRole () const

EState	GetState () const

virtual Bool_t	Handle (TGLRnrCtx &rnrCtx, TGLOvlSelectRecord &selRec, Event_t *event)
	Handle overlay event. More...

virtual Bool_t	MouseEnter (TGLOvlSelectRecord &selRec)
	Mouse has entered this element. More...

virtual void	MouseLeave ()
	Mouse has left the element. More...

virtual Bool_t	MouseStillInside (TGLOvlSelectRecord &selRec)

virtual void	Render (TGLRnrCtx &rnrCtx)=0

void	SetBinaryState (Bool_t s)

void	SetRole (ERole r)

void	SetState (EState s)

Protected Member Functions
void	RenderAxis (TGLRnrCtx &rnrCtx, Bool_t drawGrid)
	Draw axis on four edges and a transparent grid. More...

void	RenderBar (TGLRnrCtx &rnrCtx)
	Show frustum size with fixed screen line length and printed value. More...

void	RenderGrid (TGLRnrCtx &rnrCtx)

void	RenderPlaneIntersect (TGLRnrCtx &rnrCtx)
	Draw cross section coordinates in top right corner of screen. More...

Protected Member Functions inherited from TGLOverlayElement
void	ProjectionMatrixPushIdentity ()

Protected Attributes
TAxis *	fAxis

Float_t	fAxisExtend

TGLAxisPainter *	fAxisPainter

TGLPlane	fExternalRefPlane

Double_t	fFrustum [4]

EMode	fOrthographicMode

EMode	fPerspectiveMode

Bool_t	fShowOrthographic

Bool_t	fShowPerspective

Bool_t	fUseAxisColors

Bool_t	fUseExternalRefPlane

Protected Attributes inherited from TGLOverlayElement
ERole	fRole

EState	fState

Private Member Functions
	TGLCameraOverlay (const TGLCameraOverlay &)

TGLCameraOverlay &	operator= (const TGLCameraOverlay &)

#include <TGLCameraOverlay.h>

Inheritance diagram for TGLCameraOverlay:

[legend]

Member Enumeration Documentation

◆ EMode

enum TGLCameraOverlay::EMode

Enumerator
kPlaneIntersect
kBar
kAxis
kGridFront
kGridBack

Definition at line 28 of file TGLCameraOverlay.h.

Constructor & Destructor Documentation

◆ TGLCameraOverlay() [1/2]

TGLCameraOverlay::TGLCameraOverlay ( const TGLCameraOverlay & )

private

◆ TGLCameraOverlay() [2/2]

TGLCameraOverlay::TGLCameraOverlay	(	Bool_t	showOrtho = `kTRUE`,
		Bool_t	showPersp = `kFALSE`
	)

Definition at line 34 of file TGLCameraOverlay.cxx.

◆ ~TGLCameraOverlay()

TGLCameraOverlay::~TGLCameraOverlay ( )

virtual

Destructor.

Definition at line 70 of file TGLCameraOverlay.cxx.

Member Function Documentation

◆ GetAttAxis()

TAttAxis * TGLCameraOverlay::GetAttAxis ( )

Get axis attributes.

Definition at line 79 of file TGLCameraOverlay.cxx.

◆ GetOrthographicMode()

Int_t TGLCameraOverlay::GetOrthographicMode ( ) const

inline

Definition at line 69 of file TGLCameraOverlay.h.

◆ GetPerspectiveMode()

Int_t TGLCameraOverlay::GetPerspectiveMode ( ) const

inline

Definition at line 67 of file TGLCameraOverlay.h.

◆ GetShowOrthographic()

Bool_t TGLCameraOverlay::GetShowOrthographic ( ) const

inline

Definition at line 72 of file TGLCameraOverlay.h.

◆ GetShowPerspective()

Bool_t TGLCameraOverlay::GetShowPerspective ( ) const

inline

Definition at line 74 of file TGLCameraOverlay.h.

◆ GetUseExternalRefPlane()

Bool_t TGLCameraOverlay::GetUseExternalRefPlane ( ) const

inline

Definition at line 65 of file TGLCameraOverlay.h.

◆ operator=()

TGLCameraOverlay & TGLCameraOverlay::operator= ( const TGLCameraOverlay & )

private

◆ RefExternalRefPlane()

TGLPlane & TGLCameraOverlay::RefExternalRefPlane ( )

inline

Definition at line 63 of file TGLCameraOverlay.h.

◆ Render()

void TGLCameraOverlay::Render ( TGLRnrCtx & rnrCtx )

virtual

Display coordinates info of current frustum.

Implements TGLOverlayElement.

Reimplemented in TEveCaloLegoOverlay.

Definition at line 461 of file TGLCameraOverlay.cxx.

◆ RenderAxis()

void TGLCameraOverlay::RenderAxis	(	TGLRnrCtx &	rnrCtx,
		Bool_t	drawGrid
	)

protected

Draw axis on four edges and a transparent grid.

Definition at line 168 of file TGLCameraOverlay.cxx.

◆ RenderBar()

void TGLCameraOverlay::RenderBar ( TGLRnrCtx & rnrCtx )

protected

Show frustum size with fixed screen line length and printed value.

Definition at line 377 of file TGLCameraOverlay.cxx.

◆ RenderGrid()

void TGLCameraOverlay::RenderGrid ( TGLRnrCtx & rnrCtx )

protected

◆ RenderPlaneIntersect()

void TGLCameraOverlay::RenderPlaneIntersect ( TGLRnrCtx & rnrCtx )

protected

Draw cross section coordinates in top right corner of screen.

Definition at line 104 of file TGLCameraOverlay.cxx.

◆ SetFrustum()

void TGLCameraOverlay::SetFrustum ( TGLCamera & cam )

Set frustum values from given camera.

Definition at line 87 of file TGLCameraOverlay.cxx.

◆ SetOrthographicMode()

void TGLCameraOverlay::SetOrthographicMode ( EMode m )

inline

Definition at line 70 of file TGLCameraOverlay.h.

◆ SetPerspectiveMode()

void TGLCameraOverlay::SetPerspectiveMode ( EMode m )

inline

Definition at line 68 of file TGLCameraOverlay.h.

◆ SetShowOrthographic()

void TGLCameraOverlay::SetShowOrthographic ( Bool_t x )

inline

Definition at line 73 of file TGLCameraOverlay.h.

◆ SetShowPerspective()

void TGLCameraOverlay::SetShowPerspective ( Bool_t x )

inline

Definition at line 75 of file TGLCameraOverlay.h.

◆ UseExternalRefPlane()

void TGLCameraOverlay::UseExternalRefPlane ( Bool_t x )

inline

Definition at line 64 of file TGLCameraOverlay.h.

Member Data Documentation

◆ fAxis

TAxis* TGLCameraOverlay::fAxis

protected

Definition at line 42 of file TGLCameraOverlay.h.

◆ fAxisExtend

Float_t TGLCameraOverlay::fAxisExtend

protected

Definition at line 43 of file TGLCameraOverlay.h.

◆ fAxisPainter

TGLAxisPainter* TGLCameraOverlay::fAxisPainter

protected

Definition at line 41 of file TGLCameraOverlay.h.

◆ fExternalRefPlane

TGLPlane TGLCameraOverlay::fExternalRefPlane

protected

Definition at line 46 of file TGLCameraOverlay.h.

◆ fFrustum

Double_t TGLCameraOverlay::fFrustum[4]

protected

Definition at line 49 of file TGLCameraOverlay.h.

◆ fOrthographicMode

EMode TGLCameraOverlay::fOrthographicMode

protected

Definition at line 38 of file TGLCameraOverlay.h.

◆ fPerspectiveMode

EMode TGLCameraOverlay::fPerspectiveMode

protected

Definition at line 39 of file TGLCameraOverlay.h.

◆ fShowOrthographic

Bool_t TGLCameraOverlay::fShowOrthographic

protected

Definition at line 35 of file TGLCameraOverlay.h.

◆ fShowPerspective

Bool_t TGLCameraOverlay::fShowPerspective

protected

Definition at line 36 of file TGLCameraOverlay.h.

◆ fUseAxisColors

Bool_t TGLCameraOverlay::fUseAxisColors

protected

Definition at line 44 of file TGLCameraOverlay.h.

◆ fUseExternalRefPlane

Bool_t TGLCameraOverlay::fUseExternalRefPlane

protected

Definition at line 47 of file TGLCameraOverlay.h.

Libraries for TGLCameraOverlay:

[legend]

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Member Enumeration Documentation

◆ EMode

Constructor & Destructor Documentation

◆ TGLCameraOverlay() [1/2]

◆ TGLCameraOverlay() [2/2]

◆ ~TGLCameraOverlay()

Member Function Documentation

◆ GetAttAxis()

◆ GetOrthographicMode()

◆ GetPerspectiveMode()

◆ GetShowOrthographic()

◆ GetShowPerspective()

◆ GetUseExternalRefPlane()

◆ operator=()

◆ RefExternalRefPlane()

◆ Render()

◆ RenderAxis()

◆ RenderBar()

◆ RenderGrid()

◆ RenderPlaneIntersect()

◆ SetFrustum()

◆ SetOrthographicMode()

◆ SetPerspectiveMode()

◆ SetShowOrthographic()

◆ SetShowPerspective()

◆ UseExternalRefPlane()

Member Data Documentation

◆ fAxis

◆ fAxisExtend

◆ fAxisPainter

◆ fExternalRefPlane

◆ fFrustum

◆ fOrthographicMode

◆ fPerspectiveMode

◆ fShowOrthographic

◆ fShowPerspective

◆ fUseAxisColors

◆ fUseExternalRefPlane