Painter for EclData, 2D histograms. More...

#include <EclPainter2D.h>

Inheritance diagram for EclPainter2D:

Public Types
enum	Type { CHANNEL_2D , SHAPER_2D , NONE }
	Subtype of histogram to draw. More...

Public Member Functions
	EclPainter2D (EclData *data, Type type)
	Constructor for EclPainter subclass.

	EclPainter2D (const EclPainter2D &other)
	Copy constructor.

EclPainter2D &	operator= (const EclPainter2D &other)
	Assignment operator.

	~EclPainter2D ()
	Destructor for EclPainter subclass.

virtual void	getInformation (int px, int py, MultilineWidget *panel) override
	Sets the information to be displayed in the provided MultilineWidget.

Type	getType ()
	Return subtype of ECLPainter2D.

virtual void	Draw () override
	Redraw the canvas.

void	setData (EclData *data)
	Set EclData to display in painter.

EclData *	getData ()
	Return currently displayed EclData.

const EclData *	getData () const
	Return currently displayed EclData.

void	setMapper (ECL::ECLChannelMapper *mapper)
	Set ECLChannelMapper for CellID <-> (crate, shaper, chid) conversion.

ECL::ECLChannelMapper *	getMapper ()
	Return currently set ECLChannelMapper.

void	setDisplayedSubsystem (EclData::EclSubsystem sys)
	Change between the displayed ECL subsystem (barrel, forward and backward endcaps).

EclData::EclSubsystem	getDisplayedSubsystem ()
	Get currently displayed ECL subsystem.

TString	getSubsystemTitle (EclData::EclSubsystem subsys)
	Return title of ECL subsystem to use in painter.

virtual EclPainter *	handleClick (int px, int py)
	Some EclPainters can shift to another view upon click.

virtual void	setXRange (int x1, int x2)
	Set XRange for histogram in EclPainter.

Protected Member Functions
void	getNewRootObjectName (char *buf, int size)
	Make unique name for next root object.

Private Member Functions
void	cloneFrom (const EclPainter2D &other)
	Clone attributes from other EclPainter2D.

void	setTitles ()
	Update histogram titles.

int	getMaxX ()
	Returns number of X bins.

int	getMaxY ()
	Returns number of Y bins.

int	channelToSegIdX (int channel)
	Convert channel id to X bin number.

int	channelToSegIdY (int channel)
	Convert channel id to Y bin number.

void	initGrid ()
	Initialize grid for drawGrid().

void	drawGrid ()
	Draw grid over histogram.

Private Attributes
Type	m_type
	Display subtypes of this class.

TH2F *	m_hist
	Displayed histogram.

TH2C *	hgrid
	The grid itself, drawn in drawGrid().

TPad *	grid
	Grid pad, drawn in drawGrid().

EclData *	m_ecl_data
	Data to draw.

ECL::ECLChannelMapper *	m_mapper
	mapper for CellID <-> (crate, shaper, chid) conversion.

EclData::EclSubsystem	displayed_subsys
	Identifier of displayed ECL subsystem.

Static Private Attributes
static int	m_obj_counter = 0
	Counter to make unique names for new root objects.

Detailed Description

Painter for EclData, 2D histograms.

Definition at line 26 of file EclPainter2D.h.

Member Enumeration Documentation

◆ Type

enum Type

Subtype of histogram to draw.

Enumerator
CHANNEL_2D	(theta_id:phi_id) histogram.
SHAPER_2D	(shaper:crate) histogram.

Definition at line 29 of file EclPainter2D.h.

              {
      CHANNEL_2D, 
      SHAPER_2D, 
      NONE
    };

Constructor & Destructor Documentation

◆ EclPainter2D() [1/2]

EclPainter2D	(	EclData *	data,
		EclPainter2D::Type	type
	)

Constructor for EclPainter subclass.

Definition at line 29 of file EclPainter2D.cc.

                                                               :
  EclPainter(data)
{
  this->m_type = type;
 
  int max_x = getMaxX();
  int max_y = getMaxY();
  char obj_name[255];
  getNewRootObjectName(obj_name, 255);
 
  m_hist = new TH2F(obj_name, "title", max_x, 1, max_x + 1,
                    max_y, 1, max_y + 1);
 
  m_hist->GetXaxis()->CenterTitle();
  m_hist->GetXaxis()->SetTitleOffset(1.1);
  m_hist->GetYaxis()->CenterTitle();
  m_hist->GetYaxis()->SetTitleOffset(-1.1);
  m_hist->GetZaxis()->CenterTitle();
 
  grid = 0;
  hgrid = 0;
}

◆ EclPainter2D() [2/2]

EclPainter2D ( const EclPainter2D & other )

inline

Copy constructor.

Definition at line 43 of file EclPainter2D.h.

43: EclPainter(other) { cloneFrom(other); }

Belle2::EclPainter2D::cloneFrom

void cloneFrom(const EclPainter2D &other)

Clone attributes from other EclPainter2D.

Definition: EclPainter2D.cc:60

Belle2::EclPainter::EclPainter

EclPainter(EclData *data)

Default constructor.

Definition: EclPainter.cc:24

◆ ~EclPainter2D()

~EclPainter2D ( )

Destructor for EclPainter subclass.

Definition at line 52 of file EclPainter2D.cc.

{
  delete m_hist;
  delete grid;
  if (hgrid)
    delete hgrid;
}

Member Function Documentation

◆ channelToSegIdX()

int channelToSegIdX ( int channel )

private

Convert channel id to X bin number.

Definition at line 115 of file EclPainter2D.cc.

{
  if (m_type == CHANNEL_2D)
    return getData()->getThetaId(ch);
  else if (m_type == SHAPER_2D)
    return getMapper()->getShaperPosition(ch);
 
  return 0;
}

◆ channelToSegIdY()

int channelToSegIdY ( int channel )

private

Convert channel id to Y bin number.

Definition at line 124 of file EclPainter2D.cc.

{
  if (m_type == CHANNEL_2D)
    return getData()->getPhiId(ch);
  else if (m_type == SHAPER_2D)
    return getMapper()->getCrateID(ch);
 
  return 0;
}

◆ cloneFrom()

void cloneFrom ( const EclPainter2D & other )

private

Clone attributes from other EclPainter2D.

Definition at line 60 of file EclPainter2D.cc.

{
  m_type = other.m_type;
  m_hist = new TH2F(*other.m_hist);
  hgrid = 0;
  grid = 0;
  initGrid();
}

◆ Draw()

void Draw ( )

overridevirtual

Redraw the canvas.

Implements EclPainter.

Definition at line 218 of file EclPainter2D.cc.

{
  setTitles();
 
  EclData* data = getData();
 
  const int* ev_counts = data->getEventCounts();
  const float* energy_sums = data->getEnergySums();
 
  m_hist->Reset();
  for (int i = 1; i <= getData()->getCrystalCount(); i++) {
    if (!data->isCrystalInSubsystem(i, getDisplayedSubsystem())) continue;
 
    int id_x = channelToSegIdX(i);
    int id_y = channelToSegIdY(i);
    if (GetMode())
      m_hist->Fill(id_x, id_y, energy_sums[i]);
    else
      m_hist->Fill(id_x, id_y, ev_counts[i]);
  }
 
  gStyle->SetNumberContours(255);
  gStyle->SetPalette(PALETTE_ID);
 
  m_hist->GetXaxis()->SetTicks("+-");
  m_hist->GetYaxis()->SetTicks("+-");
 
  m_hist->Draw("COLZ");
 
  initGrid();
  drawGrid();
}

◆ drawGrid()

void drawGrid ( )

private

Draw grid over histogram.

Call after initGrid().

Definition at line 145 of file EclPainter2D.cc.

{
  TVirtualPad* main = gPad;
  grid->Draw("COLZ");
  grid->cd();
 
  /* Creating grid */
  char obj_name[255];
  getNewRootObjectName(obj_name, 255);
 
  // NOTE: Root can't divide the histogram axes into more than 99
  // primary sections, limiting the maximum grid cell size.
  // To change this, new grid implementation might be necessary.
  double max_y = getMaxY();
  // Reducing the number of grid lines.
  while (max_y >= 100) {
    max_y /= 2;
  }
 
  hgrid = new TH2C(obj_name, "", getMaxX(), 0, getMaxX(), max_y, 0, max_y);
  hgrid->GetXaxis()->SetNdivisions(getMaxX());
  hgrid->GetYaxis()->SetNdivisions(max_y);
  // Hiding axis labels.
  hgrid->GetYaxis()->SetLabelOffset(1e3);
  hgrid->GetXaxis()->SetLabelOffset(1e3);
  // Hiding axis ticks.
  hgrid->GetYaxis()->SetTickLength(0.);
  hgrid->GetXaxis()->SetTickLength(0.);
 
  hgrid->Draw();
 
  main->cd();
}

◆ getData() [1/2]

EclData * getData ( )

inlineinherited

Return currently displayed EclData.

Definition at line 46 of file EclPainter.h.

46{ return m_ecl_data; }

Belle2::EclPainter::m_ecl_data

EclData * m_ecl_data

Data to draw.

Definition: EclPainter.h:111

◆ getData() [2/2]

const EclData * getData ( ) const

inlineinherited

Return currently displayed EclData.

Definition at line 48 of file EclPainter.h.

48{ return m_ecl_data; }

◆ getDisplayedSubsystem()

EclData::EclSubsystem getDisplayedSubsystem ( )

inherited

Get currently displayed ECL subsystem.

Definition at line 51 of file EclPainter.cc.

{
  return displayed_subsys;
}

◆ getInformation()

void getInformation	(	int	px,
		int	py,
		MultilineWidget *	panel
	)

overridevirtual

Sets the information to be displayed in the provided MultilineWidget.

Parameters

px	X coordinate of mouse cursor.
py	Y coordinate of mouse cursor.
panel	MultilineWidget to display the information

Reimplemented from EclPainter.

Definition at line 179 of file EclPainter2D.cc.

{
  EclPainter::getInformation(px, py, panel);
 
  char info[255];
 
  Float_t upx = gPad->AbsPixeltoX(px);
  Float_t x   = gPad->PadtoX(upx);
  int binx  = m_hist->GetXaxis()->FindBin(x);
 
  Float_t upy = gPad->AbsPixeltoY(py);
  Float_t y   = gPad->PadtoY(upy);
  int biny  = m_hist->GetYaxis()->FindBin(y);
 
  if (m_type == CHANNEL_2D) {
    sprintf(info, "theta_id = %d", binx);
    panel->setLine(1, info);
    sprintf(info, "phi_id = %d", biny);
    panel->setLine(2, info);
    sprintf(info, "channel_id = %d", getData()->getChannel(biny, binx));
    panel->setLine(3, info);
  }
  if (m_type == SHAPER_2D) {
    sprintf(info, "crate_id = %d", biny);
    panel->setLine(1, info);
    sprintf(info, "shaper_id = %d (%d)", (biny - 1) * 12 + binx, binx);
    panel->setLine(2, info);
  }
}

◆ getMapper()

ECL::ECLChannelMapper * getMapper ( )

inherited

Return currently set ECLChannelMapper.

Definition at line 41 of file EclPainter.cc.

{
  return m_mapper;
}

◆ getMaxX()

int getMaxX ( )

private

Returns number of X bins.

Definition at line 96 of file EclPainter2D.cc.

{
  if (m_type == CHANNEL_2D)
    return 68;
  else if (m_type == SHAPER_2D)
    return 12;
 
  return 1;
}

◆ getMaxY()

int getMaxY ( )

private

Returns number of Y bins.

Definition at line 105 of file EclPainter2D.cc.

{
  if (m_type == CHANNEL_2D)
    return 144;
  else if (m_type == SHAPER_2D)
    return 52;
 
  return 1;
}

◆ getNewRootObjectName()

void getNewRootObjectName	(	char *	buf,
		int	size
	)

protectedinherited

Make unique name for next root object.

Definition at line 88 of file EclPainter.cc.

{
  snprintf(buf, n, "ECL DATA_%d", m_obj_counter++);
}

◆ getSubsystemTitle()

TString getSubsystemTitle ( EclData::EclSubsystem subsys )

inherited

Return title of ECL subsystem to use in painter.

Definition at line 56 of file EclPainter.cc.

{
  switch (subsys) {
    case EclData::BARR:
      return TString("Barrel");
    case EclData::FORW:
      return TString("Forward endcap");
    case EclData::BACKW:
      return TString("Backward endcap");
    case EclData::ALL:
      return TString("Full ECL");
    default:
      return TString();
  }
}

◆ getType()

EclPainter2D::Type getType ( )

Return subtype of ECLPainter2D.

Definition at line 209 of file EclPainter2D.cc.

{
  return m_type;
}

◆ handleClick()

EclPainter * handleClick	(	int	px,
		int	py
	)

virtualinherited

Some EclPainters can shift to another view upon click.

(For example, clicking on crate reveals histogram of shapers in that crate)

Returns: EclPainter with new perspective/range.

Reimplemented in EclPainter1D.

Definition at line 79 of file EclPainter.cc.

{
  return nullptr;
}

◆ initGrid()

void initGrid ( )

private

Initialize grid for drawGrid().

Definition at line 134 of file EclPainter2D.cc.

{
  /* Adding second TPad (layer) for the grid overlay */
  grid = new TPad("grid", "", 0, 0, 1, 1);
  grid->SetGrid();
  grid->SetRightMargin(gPad->GetRightMargin());
  // Setting transparent fill style.
  grid->SetFillStyle(4000);
  grid->SetFrameFillStyle(0);
}

◆ operator=()

EclPainter2D & operator= ( const EclPainter2D & other )

inline

Assignment operator.

Definition at line 47 of file EclPainter2D.h.

47{ cloneFrom(other); return *this; }

◆ setData()

void setData ( EclData * data )

inlineinherited

Set EclData to display in painter.

Definition at line 44 of file EclPainter.h.

44{ m_ecl_data = data; }

◆ setDisplayedSubsystem()

void setDisplayedSubsystem ( EclData::EclSubsystem sys )

inherited

Change between the displayed ECL subsystem (barrel, forward and backward endcaps).

Definition at line 46 of file EclPainter.cc.

{
  displayed_subsys = sys;
}

◆ setMapper()

void setMapper ( ECL::ECLChannelMapper * mapper )

inherited

Set ECLChannelMapper for CellID <-> (crate, shaper, chid) conversion.

Definition at line 36 of file EclPainter.cc.

{
  m_mapper = mapper;
}

◆ setTitles()

void setTitles ( )

private

Update histogram titles.

Definition at line 69 of file EclPainter2D.cc.

{
  const char* name[3][3] = {
    {"Events per channel", "Events per shaper"},
    {"Energy per channel (MeV)", "Energy per shaper (MeV)"},
    {"Time per channel (ns)", "Time per shaper (ns)"}
  };
  const char* zname[3] = {
    "Events", "Energy (MeV)", "Time"
  };
 
  TString title = TString(name[GetMode()][(int)m_type]) + " (" +
                  getSubsystemTitle(getDisplayedSubsystem()) + ")";
 
  m_hist->SetTitle(title);
 
  if (m_type == CHANNEL_2D) {
    m_hist->GetXaxis()->SetTitle("Theta id");
    m_hist->GetYaxis()->SetTitle("Phi id");
  }
  if (m_type == SHAPER_2D) {
    m_hist->GetXaxis()->SetTitle("Shaper id");
    m_hist->GetYaxis()->SetTitle("Collector id");
  }
  m_hist->GetZaxis()->SetTitle(zname[GetMode()]);
}

◆ setXRange()

void setXRange	(	int	x1,
		int	x2
	)

virtualinherited

Set XRange for histogram in EclPainter.

Reimplemented in EclPainter1D.

Definition at line 84 of file EclPainter.cc.

85{

86}

Member Data Documentation

◆ displayed_subsys

EclData::EclSubsystem displayed_subsys

privateinherited

Identifier of displayed ECL subsystem.

Definition at line 116 of file EclPainter.h.

◆ grid

TPad* grid

private

Grid pad, drawn in drawGrid().

Definition at line 63 of file EclPainter2D.h.

◆ hgrid

TH2C* hgrid

private

The grid itself, drawn in drawGrid().

Definition at line 61 of file EclPainter2D.h.

◆ m_ecl_data

EclData* m_ecl_data

privateinherited

Data to draw.

Definition at line 111 of file EclPainter.h.

◆ m_hist

TH2F* m_hist

private

Displayed histogram.

Definition at line 58 of file EclPainter2D.h.

◆ m_mapper

ECL::ECLChannelMapper* m_mapper

privateinherited

mapper for CellID <-> (crate, shaper, chid) conversion.

Definition at line 113 of file EclPainter.h.

◆ m_obj_counter

int m_obj_counter = 0

staticprivateinherited

Counter to make unique names for new root objects.

Definition at line 109 of file EclPainter.h.

◆ m_type

Type m_type

private

Display subtypes of this class.

Definition at line 56 of file EclPainter2D.h.

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

ecl/modules/eclDisplay/include/EclPainter2D.h
ecl/modules/eclDisplay/src/EclPainter2D.cc

Public Types

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Enumeration Documentation

◆ Type

Constructor & Destructor Documentation

◆ EclPainter2D() [1/2]

◆ EclPainter2D() [2/2]

◆ ~EclPainter2D()

Member Function Documentation

◆ channelToSegIdX()

◆ channelToSegIdY()

◆ cloneFrom()

◆ Draw()

◆ drawGrid()

◆ getData() [1/2]

◆ getData() [2/2]

◆ getDisplayedSubsystem()

◆ getInformation()

◆ getMapper()

◆ getMaxX()

◆ getMaxY()

◆ getNewRootObjectName()

◆ getSubsystemTitle()

◆ getType()

◆ handleClick()

◆ initGrid()

◆ operator=()

◆ setData()

◆ setDisplayedSubsystem()

◆ setMapper()

◆ setTitles()

◆ setXRange()

Member Data Documentation

◆ displayed_subsys

◆ grid

◆ hgrid

◆ m_ecl_data

◆ m_hist

◆ m_mapper

◆ m_obj_counter

◆ m_type