// @(#)root/base:$Name: $:$Id: TView.h,v 1.14 2005/04/25 21:12:08 rdm Exp $
// Author: Rene Brun, Nenad Buncic, Evgueni Tcherniaev, Olivier Couet 18/08/95
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TView
#define ROOT_TView
/////////////////////////////////////////////////////////////////////////
// //
// TView //
// //
/////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TAttLine
#include "TAttLine.h"
#endif
class TSeqCollection;
class TVirtualPad;
class TView : public TObject, public TAttLine {
protected:
Double_t fLatitude; //View angle latitude
Double_t fLongitude; //View angle longitude
Double_t fPsi; //View angle psi
Double_t fDview; //Distance from COP to COV
Double_t fDproj; //Distance from COP to projection plane
Double_t fUpix; // pad X size in pixels
Double_t fVpix; // pad Y size in pixels
Double_t fTN[16]; //
Double_t fTB[16]; //
Double_t fRmax[3]; //Upper limits of object
Double_t fRmin[3]; //Lower limits of object
Double_t fUVcoord[4]; //Viewing window limits
Double_t fTnorm[16]; //Transformation matrix
Double_t fTback[16]; //Back transformation matrix
Double_t fX1[3]; //First coordinate of X axis
Double_t fX2[3]; //Second coordinate of X axis
Double_t fY1[3]; //First coordinate of Y axis
Double_t fY2[3]; //Second coordinate of Y axis
Double_t fZ1[3]; //First coordinate of Z axis
Double_t fZ2[3]; //Second coordinate of Z axis
Int_t fSystem; //Coordinate system
TSeqCollection *fOutline; //Collection of outline's objects
Bool_t fDefaultOutline; //Set to TRUE if outline is default cube
Bool_t fAutoRange; //Set to TRUE if range computed automatically
Bool_t fChanged; //! Set to TRUE after ExecuteRotateView
void ResetView(Double_t longitude, Double_t latitude, Double_t psi, Int_t &irep);
public:
// TView status bits
enum {
kPerspective = BIT(6)
};
TView();
TView(Int_t system);
TView(const Float_t *rmin, const Float_t *rmax, Int_t system = 1);
TView(const Double_t *rmin, const Double_t *rmax, Int_t system = 1);
virtual ~TView();
virtual void AxisVertex(Double_t ang, Double_t *av, Int_t &ix1, Int_t &ix2, Int_t &iy1, Int_t &iy2, Int_t &iz1, Int_t &iz2);
virtual void DefinePerspectiveView();
virtual void DefineViewDirection(const Double_t *s, const Double_t *c,
Double_t cosphi, Double_t sinphi,
Double_t costhe, Double_t sinthe,
Double_t cospsi, Double_t sinpsi,
Double_t *tnorm, Double_t *tback);
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
virtual void ExecuteRotateView(Int_t event, Int_t px, Int_t py);
virtual void FindScope(Double_t *scale, Double_t *center, Int_t &irep);
virtual Int_t GetDistancetoAxis(Int_t axis, Int_t px, Int_t py, Double_t &ratio);
Double_t GetDview() const {return fDview;}
Double_t GetDproj() const {return fDproj;}
Double_t GetExtent() const;
Bool_t GetAutoRange() {return fAutoRange;}
Double_t GetLatitude() {return fLatitude;}
Double_t GetLongitude() {return fLongitude;}
Double_t GetPsi() {return fPsi;}
virtual void GetRange (Float_t *min, Float_t *max);
virtual void GetRange (Double_t *min, Double_t *max);
Double_t *GetRmax() {return fRmax;}
Double_t *GetRmin() {return fRmin;}
TSeqCollection *GetOutline() {return fOutline; }
Double_t *GetTback() {return fTback;}
Double_t *GetTN() {return fTN;}
Double_t *GetTnorm() {return fTnorm;}
Int_t GetSystem() {return fSystem;}
void GetWindow(Double_t &u0, Double_t &v0, Double_t &du, Double_t &dv) const;
Double_t GetWindowWidth() const {return 0.5*(fUVcoord[1]-fUVcoord[0]);}
Double_t GetWindowHeight() const {return 0.5*(fUVcoord[3]-fUVcoord[2]);}
virtual void FindNormal(Double_t x, Double_t y, Double_t z, Double_t &zn);
virtual void FindPhiSectors(Int_t iopt, Int_t &kphi, Double_t *aphi, Int_t &iphi1, Int_t &iphi2);
virtual void FindThetaSectors(Int_t iopt, Double_t phi, Int_t &kth, Double_t *ath, Int_t &ith1, Int_t &ith2);
Bool_t IsClippedNDC(Double_t *p) const;
Bool_t IsPerspective() const {return TestBit(kPerspective);}
Bool_t IsViewChanged() const {return fChanged;}
virtual void NDCtoWC(const Float_t *pn, Float_t *pw);
virtual void NDCtoWC(const Double_t *pn, Double_t *pw);
virtual void NormalWCtoNDC(const Float_t *pw, Float_t *pn);
virtual void NormalWCtoNDC(const Double_t *pw, Double_t *pn);
virtual void PadRange(Int_t rback);
void ResizePad();
virtual void SetAutoRange(Bool_t autorange=kTRUE) {fAutoRange=autorange;}
virtual void SetAxisNDC(const Double_t *x1, const Double_t *x2, const Double_t *y1, const Double_t *y2, const Double_t *z1, const Double_t *z2);
void SetDefaultWindow();
void SetDview(Double_t dview) {fDview=dview;}
void SetDproj(Double_t dproj) {fDproj=dproj;}
void SetLatitude(Double_t latitude) {fLatitude = latitude;}
void SetLongitude(Double_t longitude) {fLongitude = longitude;}
void SetPsi(Double_t psi) {fPsi = psi;}
virtual void SetOutlineToCube();
virtual void SetParallel(); // *MENU*
virtual void SetPerspective(); // *MENU*
virtual void SetRange(const Double_t *min, const Double_t *max);
virtual void SetRange(Double_t x0, Double_t y0, Double_t z0, Double_t x1, Double_t y1, Double_t z1, Int_t flag=0);
virtual void SetSystem(Int_t system) {fSystem = system;}
virtual void SetView(Double_t longitude, Double_t latitude, Double_t psi, Int_t &irep);
void SetViewChanged(Bool_t flag=kTRUE) {fChanged = flag;}
void SetWindow(Double_t u0, Double_t v0, Double_t du, Double_t dv);
virtual void WCtoNDC(const Float_t *pw, Float_t *pn);
virtual void WCtoNDC(const Double_t *pw, Double_t *pn);
//--
void MoveFocus(Double_t *center, Double_t dx, Double_t dy, Double_t dz, Int_t nsteps=10,
Double_t dlong=0, Double_t dlat=0, Double_t dpsi=0);
virtual void MoveViewCommand(Char_t chCode, Int_t count=1);
void MoveWindow(Char_t option);
static void AdjustPad(TVirtualPad *pad=0);
virtual void AdjustScales(TVirtualPad *pad=0); // *MENU*
virtual void Centered3DImages(TVirtualPad *pad=0);
virtual void Centered(); // *MENU*
virtual void FrontView(TVirtualPad *pad=0);
virtual void Front(); // *MENU*
virtual void ZoomIn(); // *MENU*
virtual void ZoomOut(); // *MENU*
virtual void ZoomView(TVirtualPad *pad=0, Double_t zoomFactor = 1.25 );
virtual void UnzoomView(TVirtualPad *pad=0,Double_t unZoomFactor = 1.25);
virtual void RotateView(Double_t phi, Double_t theta, TVirtualPad *pad=0);
virtual void SideView(TVirtualPad *pad=0);
virtual void Side(); // *MENU*
virtual void TopView(TVirtualPad *pad=0);
virtual void Top(); // *MENU*
virtual void ToggleRulers(TVirtualPad *pad=0);
virtual void ShowAxis(); // *MENU*
virtual void ToggleZoom(TVirtualPad *pad=0);
virtual void ZoomMove(); // *MENU*
virtual void Zoom(); // *MENU*
virtual void UnZoom(); // *MENU*
ClassDef(TView,2) //3-D View
};
// Shortcuts for menus
inline void TView::Centered(){Centered3DImages();}
inline void TView::Front() {FrontView();}
inline void TView::ShowAxis(){ToggleRulers(); }
inline void TView::Side() {SideView();}
inline void TView::Top() {TopView();}
inline void TView::ZoomMove(){ToggleZoom();}
inline void TView::Zoom() {ZoomView();}
inline void TView::UnZoom() {UnzoomView();}
#endif
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