evd::Ortho3DPad Class Reference

A drawing pad showing an orthographic rendering of 3D objects. More...

#include <Ortho3DPad.h>

Inheritance diagram for evd::Ortho3DPad:

Public Member Functions
	Ortho3DPad (const char *nm, const char *ti, evd::OrthoProj_t proj, double x1, double y1, double x2, double y2)
	~Ortho3DPad ()
double	GetMarkerSize () const
void	Draw (const char *opt=0)
void	SetZoom (double xlo, double ylo, double xhi, double yhi, bool update)
void	UnZoom (bool update)
void	SetMarkerSize (double size, bool update)
void	SetMSizeEntry (TGNumberEntry *p)
void	SetMSize ()
void	MouseEvent ()
Public Member Functions inherited from evd::DrawingPad
	DrawingPad (const char *nm, const char *ti, double x1, double y1, double y2, double x2)
	~DrawingPad ()
TPad *	Pad ()
HeaderDrawer *	HeaderDraw ()
evd_tool::IExperimentDrawer *	GeometryDraw ()
SimulationDrawer *	SimulationDraw ()
RawDataDrawer *	RawDataDraw ()
RecoBaseDrawer *	RecoBaseDraw ()
AnalysisBaseDrawer *	AnalysisBaseDraw ()
HitSelector *	HitSelectorGet ()

Static Public Member Functions
static void	MouseEvent (evd::Ortho3DPad *p)

Private Attributes
TH1F *	fHisto
	Enclosing histogram. More...
evd::OrthoProj_t	fProj
	Projection. More...
double	fXLo
	Low x value. More...
double	fXHi
	High x value. More...
double	fYLo
	Low y value. More...
double	fYHi
	High y value. More...
double	fMSize
	Marker size. More...
std::vector< TBox >	TPCBox
	TPC box. More...
evdb::View2D *	fView
	Collection of graphics objects to render. More...
TGNumberEntry *	fMSizeEntry
	For changing marker size. More...
bool	fPress
	Is button 1 pressed? More...
bool	fBoxDrawn
	Is selection box drawn? More...
int	fPressPx
	Pixel location where button 1 was pressed. More...
int	fPressPy
	Poxel location where button 1 was pressed. More...
int	fCurrentPx
	Current pixel location of mouse. More...
int	fCurrentPy
	Current pixel location of mouse. More...
double	fPressX
	User location where button 1 was pressed. More...
double	fPressY
	User location where button 1 was pressed. More...
double	fReleaseX
	User location where button 1 was released. More...
double	fReleaseY
	User location where button 1 was released. More...

Static Private Attributes
static Ortho3DPad *	fMousePad = 0
	Selected pad for mouse action. More...

Additional Inherited Members
Protected Types inherited from evd::DrawingPad
using	IExperimentDrawerPtr = std::unique_ptr< evd_tool::IExperimentDrawer >
Protected Attributes inherited from evd::DrawingPad
TPad *	fPad
	The ROOT graphics pad. More...
HeaderDrawer *	fHeaderDraw
	Drawer for event header info. More...
IExperimentDrawerPtr	fGeometryDraw
	Drawer for detector geometry. More...
SimulationDrawer *	fSimulationDraw
	Drawer for simulation objects. More...
RawDataDrawer *	fRawDataDraw
	Drawer for raw data. More...
RecoBaseDrawer *	fRecoBaseDraw
	Drawer for recobase objects. More...
AnalysisBaseDrawer *	fAnalysisBaseDraw
	Drawer for analysisbase objects. More...

Detailed Description

A drawing pad showing an orthographic rendering of 3D objects.

Definition at line 26 of file Ortho3DPad.h.

Constructor & Destructor Documentation

evd::Ortho3DPad::Ortho3DPad	(	const char *	name,
		const char *	title,
		evd::OrthoProj_t	proj,
		double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Create a pad to show an orthographic rendering of 3D objcts.

Parameters

name	: Name of the pad
title	: Title of the pad
proj	: Choose orthographic projection
x1	: Location of left edge of pad (0-1)
x2	: Location of right edge of pad (0-1)
y1	: Location of bottom edge of pad (0-1)
y2	: Location of top edge of pad (0-1)

Definition at line 44 of file Ortho3DPad.cxx.

  : DrawingPad(name, title, x1, y1, x2, y2)
  , fHisto(0)
  , fProj(proj)
  , fXLo(0.)
  , fXHi(0.)
  , fYLo(0.)
  , fYHi(0.)
  , fMSize(0.25)
  , fMSizeEntry(0)
  , fPress(false)
  , fBoxDrawn(false)
  , fPressPx(0)
  , fPressPy(0)
  , fCurrentPx(0)
  , fCurrentPy(0)
  , fPressX(0.)
  , fPressY(0.)
  , fReleaseX(0.)
  , fReleaseY(0.)
{
  // Get services.

  art::ServiceHandle<geo::Geometry const> geo;

  // Set up pad.

  //  Pad()->SetBit(kCannotPick); // workaround for issue #16169
  Pad()->SetBit(TPad::kCannotMove);
  Pad()->Draw();
  Pad()->cd();
  Pad()->SetLeftMargin(0.080);
  Pad()->SetRightMargin(0.010);
  Pad()->SetTopMargin(0.010);
  Pad()->SetBottomMargin(0.10);

  // Define histogram boundaries (cm).
  // For now only draw cryostat=0.
  double minx = 1e9;
  double maxx = -1e9;
  double miny = 1e9;
  double maxy = -1e9;
  double minz = 1e9;
  double maxz = -1e9;
  for (size_t i = 0; i < geo->NTPC(); ++i) {
    double local[3] = {0., 0., 0.};
    double world[3] = {0., 0., 0.};
    const geo::TPCGeo& tpc = geo->TPC(i);
    tpc.LocalToWorld(local, world);
    if (minx > world[0] - geo->DetHalfWidth(i)) minx = world[0] - geo->DetHalfWidth(i);
    if (maxx < world[0] + geo->DetHalfWidth(i)) maxx = world[0] + geo->DetHalfWidth(i);
    if (miny > world[1] - geo->DetHalfHeight(i)) miny = world[1] - geo->DetHalfHeight(i);
    if (maxy < world[1] + geo->DetHalfHeight(i)) maxy = world[1] + geo->DetHalfHeight(i);
    if (minz > world[2] - geo->DetLength(i) / 2.) minz = world[2] - geo->DetLength(i) / 2.;
    if (maxz < world[2] + geo->DetLength(i) / 2.) maxz = world[2] + geo->DetLength(i) / 2.;

    switch (proj) {
    case evd::kXY:
      TPCBox.push_back(TBox(world[0] - geo->DetHalfWidth(i),
                            world[1] - geo->DetHalfHeight(i),
                            world[0] + geo->DetHalfWidth(i),
                            world[1] + geo->DetHalfHeight(i)));
      break;
    case evd::kXZ:
      TPCBox.push_back(TBox(world[2] - geo->DetLength(i) / 2.,
                            world[0] - geo->DetHalfWidth(i),
                            world[2] + geo->DetLength(i) / 2.,
                            world[0] + geo->DetHalfWidth(i)));
      break;
    case evd::kYZ:
      TPCBox.push_back(TBox(world[2] - geo->DetLength(i) / 2.,
                            world[1] - geo->DetHalfHeight(i),
                            world[2] + geo->DetLength(i) / 2.,
                            world[1] + geo->DetHalfHeight(i)));
      break;
    default:
      throw cet::exception("Ortho3DPad")
        << __func__ << ": unwknow projection " << ((int)proj) << "\n";
    } // switch
    TPCBox.back().SetFillStyle(0);
    TPCBox.back().SetLineStyle(2);
    TPCBox.back().SetLineWidth(2);
    TPCBox.back().SetLineColor(16);
  }

  switch (proj) {
  case evd::kXY:
    fXLo = minx;
    fXHi = maxx;
    fYLo = miny;
    fYHi = maxy;
    break;
  case evd::kXZ:
    fXLo = minz;
    fXHi = maxz;
    fYLo = minx;
    fYHi = maxx;
    break;
  case evd::kYZ:
    fXLo = minz;
    fXHi = maxz;
    fYLo = miny;
    fYHi = maxy;
    break;
  default:
    throw cet::exception("Ortho3DPad")
      << __func__ << ": unwknow projection " << ((int)proj) << "\n";
  } // switch

  // Make enclosing histogram.

  fHisto = new TH1F(*(Pad()->DrawFrame(fXLo, fYLo, fXHi, fYHi)));
  fHisto->SetBit(kCannotPick);
  fHisto->SetBit(TPad::kCannotMove);
  fHisto->SetTitleOffset(1., "Y");
  fHisto->SetTitleOffset(1., "X");
  fHisto->GetXaxis()->SetLabelSize(0.04);
  fHisto->GetXaxis()->SetTitleSize(0.04);
  switch (proj) {
  case evd::kXY:
    fHisto->GetXaxis()->SetTitle("x (cm)");
    fHisto->GetYaxis()->SetTitle("y (cm)");
    break;
  case evd::kXZ:
    fHisto->GetXaxis()->SetTitle("z (cm)");
    fHisto->GetYaxis()->SetTitle("x (cm)");
    break;
  case evd::kYZ:
    fHisto->GetXaxis()->SetTitle("z (cm)");
    fHisto->GetYaxis()->SetTitle("y (cm)");
    break;
  default:
    throw cet::exception("Ortho3DPad")
      << __func__ << ": unexpected flow (projection: " << ((int)proj) << ")\n";
  } // switch

  fHisto->GetXaxis()->CenterTitle();
  fHisto->GetYaxis()->SetLabelSize(0.04);
  fHisto->GetYaxis()->SetTitleSize(0.04);
  fHisto->GetYaxis()->CenterTitle();
  fHisto->SetFillColor(18);
  fHisto->Draw("AB");

  fView = new evdb::View2D();

  // Set pad fill color
  Pad()->SetFillColor(18);
  Pad()->SetFrameFillColor(18);
  Pad()->GetPainter()->SetFillColor(18);
  Pad()->Modified();
  Pad()->Update();

  // Install mouse event handler.

  std::ostringstream ostr;
  ostr << "evd::Ortho3DPad::MouseEvent((evd::Ortho3DPad*)" << this << ")";
  fPad->AddExec("getmousezoom", ostr.str().c_str());
}

evd::Ortho3DPad::~Ortho3DPad

(

)

Definition at line 212 of file Ortho3DPad.cxx.

{
  if (fHisto) {
    delete fHisto;
    fHisto = nullptr;
  }
  if (fView) {
    delete fView;
    fView = nullptr;
  }
}

Member Function Documentation

void evd::Ortho3DPad::Draw

(

const char *

opt = 0

)

Definition at line 228 of file Ortho3DPad.cxx.

{
  fPad->Clear();
  fView->Clear();

  // Remove zoom.

  UnZoom(false);

  // grab the event from the singleton

  // Insert graphic objects into fView collection.

  if (art::Event const* evtPtr = evdb::EventHolder::Instance()->GetEvent()) {
    auto const& evt = *evtPtr;
    auto const clockData = art::ServiceHandle<detinfo::DetectorClocksService const>()->DataFor(evt);
    auto const detProp =
      art::ServiceHandle<detinfo::DetectorPropertiesService const>()->DataFor(evt, clockData);

    SimulationDraw()->MCTruthOrtho(evt, fProj, fMSize, fView);
    RecoBaseDraw()->SpacePointOrtho(evt, fProj, fMSize, fView);
    RecoBaseDraw()->PFParticleOrtho(evt, fProj, fMSize, fView);
    RecoBaseDraw()->ProngOrtho(evt, fProj, fMSize, fView);
    RecoBaseDraw()->SeedOrtho(evt, fProj, fView);
    RecoBaseDraw()->OpFlashOrtho(evt, clockData, detProp, fProj, fView);
    RecoBaseDraw()->VertexOrtho(evt, fProj, fView);
  }
  // Draw objects on pad.

  fPad->cd();
  fPad->GetPainter()->SetFillColor(18);
  fHisto->Draw("X-");
  fView->Draw();
  TLatex latex;
  latex.SetTextColor(16);
  latex.SetTextSize(0.05);
  for (size_t i = 0; i < TPCBox.size(); ++i) {
    TPCBox[i].Draw();
    double x1 = TPCBox[i].GetX2() - 0.02 * (fXHi - fXLo);
    double y1 = TPCBox[i].GetY2() - 0.05 * (fYHi - fYLo);
    for (size_t j = 0; j < i; ++j) {
      if (std::abs(x1 - (TPCBox[j].GetX2() - 0.02 * (fXHi - fXLo))) < 1e-6 &&
          std::abs(y1 - (TPCBox[j].GetY2() - 0.05 * (fYHi - fYLo))) < 1e-6) {
        y1 -= 0.05 * (fYHi - fYLo);
      }
    }
    latex.DrawLatex(x1, y1, Form("%lu", i));
  }
  fPad->Modified();
  fPad->Update();
  fBoxDrawn = false;
}

double evd::Ortho3DPad::GetMarkerSize ( ) const

inline

Definition at line 45 of file Ortho3DPad.h.

{return 4.*fMSize;}  // Size in pixels.

void evd::Ortho3DPad::MouseEvent ( evd::Ortho3DPad *  p )

static

Definition at line 390 of file Ortho3DPad.cxx.

{
  TObject* select = gPad->GetSelected();
  if (!select) return;
  if (!select->InheritsFrom("TBox")) return;
  ((TBox*)select)->SetBit(TBox::kCannotMove);

  // This line is a workaround for a root bug that sends mouse events
  // to the wrong pad.

  if (fMousePad != 0) p = fMousePad;

  p->MouseEvent();
}

void evd::Ortho3DPad::MouseEvent

(

)

Definition at line 409 of file Ortho3DPad.cxx.

{
  // Get event type and location.

  int event = gPad->GetEvent();
  int px = gPad->GetEventX();       // pixels.
  int py = gPad->GetEventY();       // pixels.
  double x = gPad->AbsPixeltoX(px); // User coordinates.
  double y = gPad->AbsPixeltoY(py); // User coordinates.

  // Handle different events.

  switch (event) {
  case kMouseEnter:

    // Main purpose of this case is to set the cursor shape.

    gPad->SetCursor(kCross);
    fCurrentPx = px;
    fCurrentPy = py;
    fMousePad = this;
    break;

  case kMouseMotion:

    // Not really needed...

    gPad->SetCursor(kCross);
    fCurrentPx = px;
    fCurrentPy = py;
    break;

  case kMouseLeave:

    // Undraw box.

    //if(fBoxDrawn) {
    //  double pxlo = std::min(fPressPx, fCurrentPx);
    //  double pxhi = std::max(fPressPx, fCurrentPx);
    //  double pylo = std::min(fPressPy, fCurrentPy);
    //  double pyhi = std::max(fPressPy, fCurrentPy);
    //  gVirtualX->DrawBox(pxlo, pylo, pxhi, pyhi, TVirtualX::kHollow);
    //  fBoxDrawn = false;
    //}

    // Set everything to default.

    fPress = false;
    fPressPx = 0;
    fPressPy = 0;
    fCurrentPx = 0;
    fCurrentPy = 0;
    fPressX = 0.;
    fPressY = 0.;
    fReleaseX = 0.;
    fReleaseY = 0.;
    fMousePad = 0;
    break;

  case kButton1Motion:

    // Undraw old selection box.

    //if(fBoxDrawn) {
    //  double pxlo = std::min(fPressPx, fCurrentPx);
    //  double pxhi = std::max(fPressPx, fCurrentPx);
    //  double pylo = std::min(fPressPy, fCurrentPy);
    //  double pyhi = std::max(fPressPy, fCurrentPy);
    //  gVirtualX->DrawBox(pxlo, pylo, pxhi, pyhi, TVirtualX::kHollow);
    //  fBoxDrawn = false;
    //}

    // Update cursor location.

    gPad->SetCursor(kCross);
    fCurrentPx = px;
    fCurrentPy = py;

    // Draw new selection box.

    {
      double pxlo = std::min(fPressPx, fCurrentPx);
      double pxhi = std::max(fPressPx, fCurrentPx);
      double pylo = std::min(fPressPy, fCurrentPy);
      double pyhi = std::max(fPressPy, fCurrentPy);
      gVirtualX->DrawBox(pxlo, pylo, pxhi, pyhi, TVirtualX::kHollow);
      fBoxDrawn = true;
    }
    break;

  case kButton1Down:
    gVirtualX->SetLineColor(-1);
    gVirtualX->SetLineStyle(0);
    gVirtualX->SetLineWidth(1);

    // Record the location of the button press event, which will be
    // one corner of zoom region.

    gPad->SetCursor(kCross);
    fPress = true;
    fPressPx = px;
    fPressPy = py;
    fCurrentPx = px;
    fCurrentPy = py;
    fPressX = x;
    fPressY = y;
    fReleaseX = 0.;
    fReleaseY = 0.;
    fMousePad = this;
    break;

  case kButton1Up:

    // Get the location of button release event, then zoom.

    gPad->SetCursor(kCross);
    fPress = false;
    fCurrentPx = px;
    fCurrentPy = py;
    fReleaseX = x;
    fReleaseY = y;
    {
      double xlo = std::min(fPressX, fReleaseX);
      double xhi = std::max(fPressX, fReleaseX);
      double ylo = std::min(fPressY, fReleaseY);
      double yhi = std::max(fPressY, fReleaseY);
      SetZoom(xlo, ylo, xhi, yhi, true);
    }
    fMousePad = 0;
    break;
  }
}

void evd::Ortho3DPad::SetMarkerSize	(	double	size,
		bool	update
	)

Definition at line 320 of file Ortho3DPad.cxx.

{
  // Update marker size.

  if (fMSize != size / 4.) {

    // Update marker size attribute.

    fMSize = size / 4.; // Scale to pixels.

    // Update widget.

    if (fMSizeEntry) fMSizeEntry->SetNumber(size);

    // Loop over graphic objects that are currently drawn on
    // pad, and update any that are polymarkers.

    TIter next(fPad->GetListOfPrimitives());
    while (TObject* obj = next()) {
      if (obj->InheritsFrom(TPolyMarker::Class())) {
        TPolyMarker* pm = (TPolyMarker*)obj;
        pm->SetMarkerSize(fMSize);
      }
    }

    fPad->Modified();
    if (update) {
      fPad->Update();
      fBoxDrawn = false;
    }
  }
}

void evd::Ortho3DPad::SetMSize

(

)

Definition at line 371 of file Ortho3DPad.cxx.

{

  // Get marker size from number entry widget.

  if (!fMSizeEntry) throw cet::exception("Ortho3DPad") << __func__ << ": no MSize entry\n";
  double val = fMSizeEntry->GetNumber();

  // Scale the marker size such that the displayed marker size
  // is measured in pixels.

  SetMarkerSize(val, true);
}

void evd::Ortho3DPad::SetMSizeEntry

(

TGNumberEntry *

p

)

Definition at line 360 of file Ortho3DPad.cxx.

{
  fMSizeEntry = p;
  if (fMSizeEntry) fMSizeEntry->SetNumber(4. * fMSize);
}

void evd::Ortho3DPad::SetZoom	(	double	xlo,
		double	ylo,
		double	xhi,
		double	yhi,
		bool	update
	)

Definition at line 285 of file Ortho3DPad.cxx.

{
  fHisto->GetXaxis()->SetRangeUser(xlo, xhi);
  fHisto->GetYaxis()->SetRangeUser(ylo, yhi);
  fPad->Modified();
  if (update) {
    fPad->Update();
    fBoxDrawn = false;
  }
}

void evd::Ortho3DPad::UnZoom

(

bool

update

)

Definition at line 300 of file Ortho3DPad.cxx.

{
  fHisto->GetXaxis()->SetRangeUser(fXLo, fXHi);
  fHisto->GetYaxis()->SetRangeUser(fYLo, fYHi);
  fPad->Modified();

  // Also set marker size to default one pixel.

  SetMarkerSize(1., false);

  if (update) {
    fPad->Update();
    fBoxDrawn = false;
  }
}

Member Data Documentation

bool evd::Ortho3DPad::fBoxDrawn

private

Is selection box drawn?

Definition at line 89 of file Ortho3DPad.h.

int evd::Ortho3DPad::fCurrentPx

private

Current pixel location of mouse.

Definition at line 92 of file Ortho3DPad.h.

int evd::Ortho3DPad::fCurrentPy

private

Current pixel location of mouse.

Definition at line 93 of file Ortho3DPad.h.

TH1F* evd::Ortho3DPad::fHisto

private

Enclosing histogram.

Definition at line 72 of file Ortho3DPad.h.

evd::Ortho3DPad * evd::Ortho3DPad::fMousePad = 0

staticprivate

Selected pad for mouse action.

Define static data members.

Definition at line 68 of file Ortho3DPad.h.

double evd::Ortho3DPad::fMSize

private

Marker size.

Definition at line 78 of file Ortho3DPad.h.

TGNumberEntry* evd::Ortho3DPad::fMSizeEntry

private

For changing marker size.

Definition at line 84 of file Ortho3DPad.h.

bool evd::Ortho3DPad::fPress

private

Is button 1 pressed?

Definition at line 88 of file Ortho3DPad.h.

int evd::Ortho3DPad::fPressPx

private

Pixel location where button 1 was pressed.

Definition at line 90 of file Ortho3DPad.h.

int evd::Ortho3DPad::fPressPy

private

Poxel location where button 1 was pressed.

Definition at line 91 of file Ortho3DPad.h.

double evd::Ortho3DPad::fPressX

private

User location where button 1 was pressed.

Definition at line 94 of file Ortho3DPad.h.

double evd::Ortho3DPad::fPressY

private

User location where button 1 was pressed.

Definition at line 95 of file Ortho3DPad.h.

evd::OrthoProj_t evd::Ortho3DPad::fProj

private

Projection.

Definition at line 73 of file Ortho3DPad.h.

double evd::Ortho3DPad::fReleaseX

private

User location where button 1 was released.

Definition at line 96 of file Ortho3DPad.h.

double evd::Ortho3DPad::fReleaseY

private

User location where button 1 was released.

Definition at line 97 of file Ortho3DPad.h.

evdb::View2D* evd::Ortho3DPad::fView

private

Collection of graphics objects to render.

Definition at line 80 of file Ortho3DPad.h.

double evd::Ortho3DPad::fXHi

private

High x value.

Definition at line 75 of file Ortho3DPad.h.

double evd::Ortho3DPad::fXLo

private

Low x value.

Definition at line 74 of file Ortho3DPad.h.

double evd::Ortho3DPad::fYHi

private

High y value.

Definition at line 77 of file Ortho3DPad.h.

double evd::Ortho3DPad::fYLo

private

Low y value.

Definition at line 76 of file Ortho3DPad.h.

std::vector<TBox> evd::Ortho3DPad::TPCBox

private

TPC box.

Definition at line 79 of file Ortho3DPad.h.

---

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

• lareventdisplay/lareventdisplay/EventDisplay/Ortho3DPad.h
• lareventdisplay/lareventdisplay/EventDisplay/Ortho3DPad.cxx