ROOT  6.06/09
Reference Guide
Public Member Functions | Protected Attributes | Private Member Functions | List of all members
TGLPlotCamera Class Reference
Graphics » 3D Graphics » OpenGL rendering

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

viewport[3]

Definition at line 178 of file TGLPlotCamera.cxx.

Referenced by Rgl::DrawPalette(), Rgl::DrawPaletteAxis(), TGLPlotPainter::Paint(), TGLH2PolyPainter::Pan(), TGLVoxelPainter::Pan(), TGLTF3Painter::Pan(), TGLLegoPainter::Pan(), TGLBoxPainter::Pan(), TGLSurfacePainter::Pan(), TGLTH3CompositionPainter::Pan(), TGL5DPainter::Pan(), TGLParametricPlot::Pan(), TGLIsoPainter::Pan(), TGLPlotPainter::PlotSelected(), TGLH2PolyPainter::StartPan(), TGLVoxelPainter::StartPan(), TGLTF3Painter::StartPan(), TGLLegoPainter::StartPan(), TGLBoxPainter::StartPan(), TGLSurfacePainter::StartPan(), TGLTH3CompositionPainter::StartPan(), TGL5DPainter::StartPan(), TGLIsoPainter::StartPan(), TGLParametricPlot::StartPan(), and TGLSurfacePainter::WindowPointTo3DPoint().

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: