ROOT: TGLPlotCamera Class Reference

ROOT 6.06/09

Reference Guide

Camera for TGLPlotPainter and sub-classes.

Definition at line 21 of file TGLPlotCamera.h.

Public Member Functions
	TGLPlotCamera ()
	Construct camera for plot painters. More...

virtual	~TGLPlotCamera ()

void	SetViewport (const TGLRect &vp)
	Setup viewport, if it was changed, plus reset arcball. More...

void	SetViewVolume (const TGLVertex3 *box)
	'box' is the TGLPlotPainter's back box's coordinates. More...

void	StartRotation (Int_t px, Int_t py)
	User clicks somewhere (px, py). More...

void	RotateCamera (Int_t px, Int_t py)
	Mouse movement. More...

void	StartPan (Int_t px, Int_t py)
	User clicks somewhere (px, py). More...

void	Pan (Int_t px, Int_t py)
	Pan camera. More...

void	ZoomIn ()
	Zoom in. More...

void	ZoomOut ()
	Zoom out. More...

void	SetCamera () const
	Viewport and projection. More...

void	Apply (Double_t phi, Double_t theta) const
	Applies rotations and translations before drawing. More...

Bool_t	ViewportChanged () const

Int_t	GetX () const
	viewport[0] More...

Int_t	GetY () const
	viewport[1] More...

Int_t	GetWidth () const
	viewport[2] More...

Int_t	GetHeight () const
	viewport[3] More...

	ClassDef (TGLPlotCamera, 0)

Protected Attributes
TGLRect	fViewport

Double_t	fZoom

Double_t	fShift

Double_t	fOrthoBox [4]

TGLVertex3	fCenter

TGLVector3	fTruck

TArcBall	fArcBall

TPoint	fMousePos

Bool_t	fVpChanged

Private Member Functions
	TGLPlotCamera (const TGLPlotCamera &)

TGLPlotCamera &	operator= (const TGLPlotCamera &)

#include <TGLPlotCamera.h>

Collaboration diagram for TGLPlotCamera:

Constructor & Destructor Documentation

TGLPlotCamera::TGLPlotCamera ( const TGLPlotCamera & )

private

TGLPlotCamera::TGLPlotCamera ( )

Construct camera for plot painters.

Definition at line 26 of file TGLPlotCamera.cxx.

virtual TGLPlotCamera::~TGLPlotCamera ( )

inlinevirtual

Definition at line 40 of file TGLPlotCamera.h.

Member Function Documentation

void TGLPlotCamera::Apply	(	Double_t	phi,
		Double_t	theta
	)		const

Applies rotations and translations before drawing.

Definition at line 141 of file TGLPlotCamera.cxx.

Referenced by TGLVoxelPainter::DrawPalette(), TGLBoxPainter::DrawPalette(), TGLLegoPainter::DrawPalette(), TGLSurfacePainter::DrawPalette(), TGLPlotPainter::Paint(), TGLH2PolyPainter::Pan(), TGLVoxelPainter::Pan(), TGLTF3Painter::Pan(), TGLLegoPainter::Pan(), TGLBoxPainter::Pan(), TGLSurfacePainter::Pan(), TGLTH3CompositionPainter::Pan(), TGL5DPainter::Pan(), TGLIsoPainter::Pan(), TGLParametricPlot::Pan(), and TGLPlotPainter::PlotSelected().

TGLPlotCamera::ClassDef	(	TGLPlotCamera	,
		0
	)

Int_t TGLPlotCamera::GetHeight ( ) const

Int_t TGLPlotCamera::GetWidth ( ) const

viewport[2]

Definition at line 170 of file TGLPlotCamera.cxx.

Referenced by Rgl::DrawPalette(), Rgl::DrawPaletteAxis(), TGLPlotPainter::Paint(), and TGLPlotPainter::PlotSelected().

Int_t TGLPlotCamera::GetX ( ) const

viewport[0]

Definition at line 154 of file TGLPlotCamera.cxx.

Referenced by TGLPlotPainter::Paint(), and TGLPlotPainter::PlotSelected().

Int_t TGLPlotCamera::GetY ( ) const

viewport[1]

Definition at line 162 of file TGLPlotCamera.cxx.

Referenced by TGLPlotPainter::Paint(), and TGLPlotPainter::PlotSelected().

TGLPlotCamera& TGLPlotCamera::operator= ( const TGLPlotCamera & )

private

void TGLPlotCamera::Pan	(	Int_t	px,
		Int_t	py
	)

Pan camera.

Definition at line 96 of file TGLPlotCamera.cxx.

Referenced by TGLH2PolyPainter::Pan(), TGLVoxelPainter::Pan(), TGLTF3Painter::Pan(), TGLLegoPainter::Pan(), TGLBoxPainter::Pan(), TGLSurfacePainter::Pan(), TGLTH3CompositionPainter::Pan(), TGL5DPainter::Pan(), TGLIsoPainter::Pan(), and TGLParametricPlot::Pan().

void TGLPlotCamera::RotateCamera	(	Int_t	px,
		Int_t	py
	)

Mouse movement.

Definition at line 79 of file TGLPlotCamera.cxx.

Referenced by TGLHistPainter::ExecuteEvent().

void TGLPlotCamera::SetCamera ( ) const

Viewport and projection.

Definition at line 119 of file TGLPlotCamera.cxx.

Referenced by TGLVoxelPainter::DrawPalette(), TGLBoxPainter::DrawPalette(), TGLLegoPainter::DrawPalette(), TGLSurfacePainter::DrawPalette(), TGLPlotPainter::Paint(), TGLH2PolyPainter::Pan(), TGLVoxelPainter::Pan(), TGLTF3Painter::Pan(), TGLLegoPainter::Pan(), TGLBoxPainter::Pan(), TGLSurfacePainter::Pan(), TGLTH3CompositionPainter::Pan(), TGL5DPainter::Pan(), TGLIsoPainter::Pan(), TGLParametricPlot::Pan(), and TGLPlotPainter::PlotSelected().

void TGLPlotCamera::SetViewport ( const TGLRect & vp )

Setup viewport, if it was changed, plus reset arcball.

Definition at line 39 of file TGLPlotCamera.cxx.

Referenced by TGLHistPainter::PadToViewport().

void TGLPlotCamera::SetViewVolume ( const TGLVertex3 * box )

'box' is the TGLPlotPainter's back box's coordinates.

Definition at line 55 of file TGLPlotCamera.cxx.

Referenced by TGLVoxelPainter::InitGeometry(), TGLTF3Painter::InitGeometry(), TGLLegoPainter::InitGeometry(), TGLBoxPainter::InitGeometry(), TGLSurfacePainter::InitGeometry(), TGLTH3CompositionPainter::InitGeometry(), TGL5DPainter::InitGeometry(), TGLIsoPainter::InitGeometry(), TGLParametricPlot::InitGeometry(), and TGL5DPainter::ResetGeometryRanges().

void TGLPlotCamera::StartPan	(	Int_t	px,
		Int_t	py
	)

User clicks somewhere (px, py).

Definition at line 87 of file TGLPlotCamera.cxx.

Referenced by TGLH2PolyPainter::StartPan(), TGLVoxelPainter::StartPan(), TGLTF3Painter::StartPan(), TGLLegoPainter::StartPan(), TGLBoxPainter::StartPan(), TGLSurfacePainter::StartPan(), TGLTH3CompositionPainter::StartPan(), TGL5DPainter::StartPan(), TGLIsoPainter::StartPan(), and TGLParametricPlot::StartPan().

void TGLPlotCamera::StartRotation	(	Int_t	px,
		Int_t	py
	)

User clicks somewhere (px, py).

Definition at line 71 of file TGLPlotCamera.cxx.

Referenced by TGLHistPainter::ExecuteEvent().

Bool_t TGLPlotCamera::ViewportChanged ( ) const

inline

Definition at line 53 of file TGLPlotCamera.h.

Referenced by TGLHistPainter::PadToViewport().

void TGLPlotCamera::ZoomIn ( )

Zoom in.

Definition at line 186 of file TGLPlotCamera.cxx.

Referenced by TGLHistPainter::ExecuteEvent().

void TGLPlotCamera::ZoomOut ( )

Zoom out.

Definition at line 194 of file TGLPlotCamera.cxx.

Referenced by TGLHistPainter::ExecuteEvent().

Member Data Documentation

TArcBall TGLPlotCamera::fArcBall

protected

Definition at line 34 of file TGLPlotCamera.h.

Referenced by Apply(), RotateCamera(), SetViewport(), and StartRotation().

TGLVertex3 TGLPlotCamera::fCenter

protected

Definition at line 32 of file TGLPlotCamera.h.

TPoint TGLPlotCamera::fMousePos

protected

Definition at line 35 of file TGLPlotCamera.h.

Referenced by Pan(), and StartPan().

Double_t TGLPlotCamera::fOrthoBox[4]

protected

Definition at line 31 of file TGLPlotCamera.h.

Referenced by SetCamera(), and TGLPlotCamera().

Double_t TGLPlotCamera::fShift

protected

Definition at line 30 of file TGLPlotCamera.h.

Referenced by Apply().

TGLVector3 TGLPlotCamera::fTruck

protected

Definition at line 33 of file TGLPlotCamera.h.

Referenced by Apply(), and Pan().

TGLRect TGLPlotCamera::fViewport

protected

Definition at line 28 of file TGLPlotCamera.h.

Referenced by GetHeight(), GetWidth(), GetX(), GetY(), Pan(), SetCamera(), SetViewport(), and StartPan().

Bool_t TGLPlotCamera::fVpChanged

protected

Definition at line 36 of file TGLPlotCamera.h.

Referenced by SetViewport(), and ViewportChanged().

Double_t TGLPlotCamera::fZoom

protected

Definition at line 29 of file TGLPlotCamera.h.

Referenced by SetCamera(), ZoomIn(), and ZoomOut().

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

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