EDep::TEventDisplay Class Reference

A singleton class for an event display based on EVE. More...

#include <TEventDisplay.hxx>

Public Member Functions
virtual	~TEventDisplay ()
	Deconstruct the event display. More...
EDep::TGUIManager &	GUI ()
	Return a reference to the gui manager. More...
EDep::TEventChangeManager &	EventChange ()
	Return a reference to the event change manager. More...
int	LinearColor (double val, double minVal, double maxVal)
	Get a color from the palette using a linear value scale. More...
int	LogColor (double val, double minVal, double maxVal, double magScale=5.0)
	Get a color from the palette using a logarithmic value scale. More...
double	CrudeEnergy (double charge)
	Convert an charge into a crude energy. More...

Static Public Member Functions
static TEventDisplay &	Get (void)

Private Member Functions
	TEventDisplay ()
void	Init ()

Private Attributes
TGUIManager *	fGUIManager
TEventChangeManager *	fEventChangeManager
TPlotDigitsHits *	fPlotDigitsHits
TPlotTimeCharge *	fPlotTimeCharge
int	fColorBase
int	fColorCount
double	fEnergyPerCharge

Static Private Attributes
static EDep::TEventDisplay *	fEventDisplay = NULL

Detailed Description

A singleton class for an event display based on EVE.

Definition at line 13 of file TEventDisplay.hxx.

Constructor & Destructor Documentation

EDep::TEventDisplay::~TEventDisplay ( )

virtual

Deconstruct the event display.

Definition at line 67 of file TEventDisplay.cxx.

                                  {
    std::cout << "Event display deconstructed" << std::endl;
}

EDep::TEventDisplay::TEventDisplay ( )

private

Definition at line 26 of file TEventDisplay.cxx.

{}

Member Function Documentation

double EDep::TEventDisplay::CrudeEnergy ( double  charge )

inline

Convert an charge into a crude energy.

Definition at line 36 of file TEventDisplay.hxx.

{return fEnergyPerCharge*charge;}

EDep::TEventChangeManager& EDep::TEventDisplay::EventChange ( )

inline

Return a reference to the event change manager.

Definition at line 27 of file TEventDisplay.hxx.

{return *fEventChangeManager;}

EDep::TEventDisplay & EDep::TEventDisplay::Get ( void  )

static

Get a pointer to the singleton instance of the event display. This creates the event display the first time it is called.

Definition at line 18 of file TEventDisplay.cxx.

                                              {
    if (!fEventDisplay) {
        fEventDisplay = new EDep::TEventDisplay();
        fEventDisplay->Init();
    }
    return *fEventDisplay;
}

EDep::TGUIManager& EDep::TEventDisplay::GUI ( )

inline

Return a reference to the gui manager.

Definition at line 24 of file TEventDisplay.hxx.

{return *fGUIManager;}

void EDep::TEventDisplay::Init ( )

private

Definition at line 28 of file TEventDisplay.cxx.

                             {
    TEveManager::Create();

    TGLViewer* glViewer = gEve->GetDefaultGLViewer();
    glViewer->SetCurrentCamera(TGLViewer::kCameraPerspXOZ);
    glViewer->SetGuideState(TGLUtil::kAxesEdge,kTRUE,kFALSE,0);
    glViewer->SetDrawCameraCenter(kTRUE);

    // This is accessed through the GUI() method.
    fGUIManager = new TGUIManager();

    // Create the event display manager.  This needs the GUI, so it has to be
    // done after TGUIManager is created.
    fEventChangeManager = new TEventChangeManager();
    fEventChangeManager->AddUpdateHandler(new TTrajectoryChangeHandler());
    fEventChangeManager->AddUpdateHandler(new TG4HitChangeHandler());

    // Create the color palette.  This is split into two halves.  The first
    // half is from dark to white and is used for negative values on the
    // digitization plots, as well has the reconstruction objects.  The second
    // halve is from white to dark and is used for positive values on the
    // digitization plot.
    Double_t s[]  = { 0.00, 0.20, 0.35, 0.43, 0.45, 0.50, 1.00};
    Double_t r[]  = { 0.00, 0.90, 1.00, 1.00, 1.00, 1.00, 0.00};
    Double_t g[]  = { 0.50, 0.10, 0.75, 0.90, 1.00, 1.00, 0.00};
    Double_t b[]  = { 0.30, 0.00, 0.00, 0.00, 0.00, 1.00, 0.00};
    fColorCount = 200;
    unsigned int abc = sizeof(s)/sizeof(s[0]);
        
    fColorBase = TColor::CreateGradientColorTable(abc, s, r, g, b,
                                                  fColorCount);    
    
    fEnergyPerCharge = 1.0;

    std::cout << "Event display constructed" << std::endl;


}

int EDep::TEventDisplay::LinearColor	(	double	val,
		double	minVal,
		double	maxVal
	)

Get a color from the palette using a linear value scale.

Definition at line 71 of file TEventDisplay.cxx.

                                                                             {
    int nCol = fColorCount/2;
    int iValue = nCol*(value - minVal)/(maxVal - minVal);
    nCol = std::max(0,std::min(iValue,nCol));
    return fColorBase + nCol;
}

int EDep::TEventDisplay::LogColor	(	double	val,
		double	minVal,
		double	maxVal,
		double	magScale = 5.0
	)

Get a color from the palette using a logarithmic value scale.

Definition at line 78 of file TEventDisplay.cxx.

                     {
    int nCol = fColorCount/2;
    double scale = std::pow(10.0,magScale);
    double nvalue = std::max(0.0,std::min((value-minVal)/(maxVal-minVal),1.0));
    double lValue = std::log10(1.0+scale*nvalue)/magScale;
    int iValue = nCol*lValue;
    iValue = std::max(0,std::min(iValue,nCol-1));
    return fColorBase + iValue;
}

Member Data Documentation

int EDep::TEventDisplay::fColorBase

private

Definition at line 62 of file TEventDisplay.hxx.

int EDep::TEventDisplay::fColorCount

private

Definition at line 65 of file TEventDisplay.hxx.

double EDep::TEventDisplay::fEnergyPerCharge

private

Definition at line 68 of file TEventDisplay.hxx.

TEventChangeManager* EDep::TEventDisplay::fEventChangeManager

private

Definition at line 52 of file TEventDisplay.hxx.

EDep::TEventDisplay * EDep::TEventDisplay::fEventDisplay = NULL

staticprivate

Definition at line 46 of file TEventDisplay.hxx.

TGUIManager* EDep::TEventDisplay::fGUIManager

private

Definition at line 49 of file TEventDisplay.hxx.

TPlotDigitsHits* EDep::TEventDisplay::fPlotDigitsHits

private

Definition at line 55 of file TEventDisplay.hxx.

TPlotTimeCharge* EDep::TEventDisplay::fPlotTimeCharge

private

Definition at line 59 of file TEventDisplay.hxx.

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

• edep-sim/display/TEventDisplay.hxx
• edep-sim/display/TEventDisplay.cxx