TGLCameraOverlay Class Reference

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...
virtual void	Render (TGLRnrCtx &rnrCtx)
	Display coordinates info of current frustum. More...
TGLPlane &	RefExternalRefPlane ()
void	UseExternalRefPlane (Bool_t x)
Bool_t	GetUseExternalRefPlane () const
Int_t	GetPerspectiveMode () const
void	SetPerspectiveMode (EMode m)
Int_t	GetOrthographicMode () const
void	SetOrthographicMode (EMode m)
Bool_t	GetShowOrthographic () const
void	SetShowOrthographic (Bool_t x)
Bool_t	GetShowPerspective () const
void	SetShowPerspective (Bool_t x)
void	SetFrustum (TGLCamera &cam)
	Set frustum values from given camera. More...
TAttAxis *	GetAttAxis ()
	Get axis attributes. More...
	ClassDef (TGLCameraOverlay, 1)
Public Member Functions inherited from TGLOverlayElement
	TGLOverlayElement (ERole r=kUser, EState s=kActive)
virtual	~TGLOverlayElement ()
virtual Bool_t	MouseEnter (TGLOvlSelectRecord &selRec)
	Mouse has entered this element. More...
virtual Bool_t	MouseStillInside (TGLOvlSelectRecord &selRec)
virtual Bool_t	Handle (TGLRnrCtx &rnrCtx, TGLOvlSelectRecord &selRec, Event_t *event)
	Handle overlay event. More...
virtual void	MouseLeave ()
	Mouse has left the element. More...
ERole	GetRole () const
void	SetRole (ERole r)
EState	GetState () const
void	SetState (EState s)
void	SetBinaryState (Bool_t s)

Protected Member Functions
void	RenderPlaneIntersect (TGLRnrCtx &rnrCtx)
	Draw cross section coordinates in top right corner of screen. More...
void	RenderAxis (TGLRnrCtx &rnrCtx, Bool_t drawGrid)
	Draw axis on four edges and a transparent grid. More...
void	RenderGrid (TGLRnrCtx &rnrCtx)
void	RenderBar (TGLRnrCtx &rnrCtx)
	Show frustum size with fixed screen line length and printed value. More...
Protected Member Functions inherited from TGLOverlayElement
void	ProjectionMatrixPushIdentity ()

Protected Attributes
Bool_t	fShowOrthographic
Bool_t	fShowPerspective
EMode	fOrthographicMode
EMode	fPerspectiveMode
TGLAxisPainter *	fAxisPainter
TAxis *	fAxis
Float_t	fAxisExtend
Bool_t	fUseAxisColors
TGLPlane	fExternalRefPlane
Bool_t	fUseExternalRefPlane
Double_t	fFrustum [4]
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:

Collaboration diagram for TGLCameraOverlay:

Member Enumeration Documentation

enum TGLCameraOverlay::EMode

Enumerator
kPlaneIntersect
kBar
kAxis
kGridFront
kGridBack

Definition at line 28 of file TGLCameraOverlay.h.

Constructor & Destructor Documentation

TGLCameraOverlay::TGLCameraOverlay ( const TGLCameraOverlay &  )

private

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

Definition at line 34 of file TGLCameraOverlay.cxx.

TGLCameraOverlay::~TGLCameraOverlay ( )

virtual

Destructor.

Definition at line 70 of file TGLCameraOverlay.cxx.

Member Function Documentation

TGLCameraOverlay::ClassDef	(	TGLCameraOverlay	,
		1
	)

TAttAxis * TGLCameraOverlay::GetAttAxis

(

)

Get axis attributes.

Definition at line 79 of file TGLCameraOverlay.cxx.

Referenced by TEveCaloLegoOverlay::RenderPlaneInterface().

Int_t TGLCameraOverlay::GetOrthographicMode ( ) const

inline

Definition at line 69 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::SetGuides().

Int_t TGLCameraOverlay::GetPerspectiveMode ( ) const

inline

Definition at line 67 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::SetGuides().

Bool_t TGLCameraOverlay::GetShowOrthographic ( ) const

inline

Definition at line 72 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::SetGuides().

Bool_t TGLCameraOverlay::GetShowPerspective ( ) const

inline

Definition at line 74 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::SetGuides().

Bool_t TGLCameraOverlay::GetUseExternalRefPlane ( ) const

inline

Definition at line 65 of file TGLCameraOverlay.h.

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

private

TGLPlane& TGLCameraOverlay::RefExternalRefPlane ( )

inline

Definition at line 63 of file TGLCameraOverlay.h.

void TGLCameraOverlay::Render ( TGLRnrCtx &  rnrCtx )

virtual

Display coordinates info of current frustum.

Implements TGLOverlayElement.

Reimplemented in TEveCaloLegoOverlay.

Definition at line 463 of file TGLCameraOverlay.cxx.

Referenced by TEveCaloLegoOverlay::Render().

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.

Referenced by Render().

void TGLCameraOverlay::RenderBar ( TGLRnrCtx &  rnrCtx )

protected

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

Definition at line 379 of file TGLCameraOverlay.cxx.

Referenced by Render().

void TGLCameraOverlay::RenderGrid ( TGLRnrCtx &  rnrCtx )

protected

void TGLCameraOverlay::RenderPlaneIntersect ( TGLRnrCtx &  rnrCtx )

protected

Draw cross section coordinates in top right corner of screen.

Definition at line 104 of file TGLCameraOverlay.cxx.

Referenced by Render().

void TGLCameraOverlay::SetFrustum

(

TGLCamera &

cam

)

Set frustum values from given camera.

Definition at line 87 of file TGLCameraOverlay.cxx.

Referenced by Render(), and TEveCaloLegoOverlay::Render().

void TGLCameraOverlay::SetOrthographicMode ( EMode  m )

inline

Definition at line 70 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::DoCameraOverlay().

void TGLCameraOverlay::SetPerspectiveMode ( EMode  m )

inline

Definition at line 68 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::DoCameraOverlay().

void TGLCameraOverlay::SetShowOrthographic ( Bool_t  x )

inline

Definition at line 73 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::DoCameraOverlay().

void TGLCameraOverlay::SetShowPerspective ( Bool_t  x )

inline

Definition at line 75 of file TGLCameraOverlay.h.

Referenced by TGLViewerEditor::DoCameraOverlay().

void TGLCameraOverlay::UseExternalRefPlane ( Bool_t  x )

inline

Definition at line 64 of file TGLCameraOverlay.h.

Member Data Documentation

TAxis* TGLCameraOverlay::fAxis

protected

Definition at line 42 of file TGLCameraOverlay.h.

Referenced by GetAttAxis(), RenderAxis(), TGLCameraOverlay(), and ~TGLCameraOverlay().

Float_t TGLCameraOverlay::fAxisExtend

protected

Definition at line 43 of file TGLCameraOverlay.h.

TGLAxisPainter* TGLCameraOverlay::fAxisPainter

protected

Definition at line 41 of file TGLCameraOverlay.h.

Referenced by RenderAxis(), TEveCaloLegoOverlay::RenderPaletteScales(), TEveCaloLegoOverlay::RenderPlaneInterface(), TGLCameraOverlay(), and ~TGLCameraOverlay().

TGLPlane TGLCameraOverlay::fExternalRefPlane

protected

Definition at line 46 of file TGLCameraOverlay.h.

Referenced by RefExternalRefPlane(), and RenderPlaneIntersect().

Double_t TGLCameraOverlay::fFrustum[4]

protected

Definition at line 49 of file TGLCameraOverlay.h.

Referenced by TEveCaloLegoOverlay::Render(), RenderAxis(), RenderBar(), SetFrustum(), and TGLCameraOverlay().

EMode TGLCameraOverlay::fOrthographicMode

protected

Definition at line 38 of file TGLCameraOverlay.h.

Referenced by GetOrthographicMode(), and Render().

EMode TGLCameraOverlay::fPerspectiveMode

protected

Definition at line 39 of file TGLCameraOverlay.h.

Referenced by GetPerspectiveMode().

Bool_t TGLCameraOverlay::fShowOrthographic

protected

Definition at line 35 of file TGLCameraOverlay.h.

Referenced by GetShowOrthographic(), and Render().

Bool_t TGLCameraOverlay::fShowPerspective

protected

Definition at line 36 of file TGLCameraOverlay.h.

Referenced by GetShowPerspective(), and Render().

Bool_t TGLCameraOverlay::fUseAxisColors

protected

Definition at line 44 of file TGLCameraOverlay.h.

Referenced by RenderAxis().

Bool_t TGLCameraOverlay::fUseExternalRefPlane

protected

Definition at line 47 of file TGLCameraOverlay.h.

Referenced by GetUseExternalRefPlane(), and RenderPlaneIntersect().

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

• graf3d/gl/inc/TGLCameraOverlay.h
• graf3d/gl/src/TGLCameraOverlay.cxx