EveService Class Reference

#include <Fireworks/Geometry/interface/EveService.h>

Public Member Functions
void	AddElement (TEveElement *el)
void	AddGlobalElement (TEveElement *el)
void	display (const std::string &info="")
	EveService (const edm::ParameterSet &, edm::ActivityRegistry &)
TEveMagField *	getMagField ()
TEveManager *	getManager ()
void	postBeginJob ()
void	postEndJob ()
void	postEvent (edm::StreamContext const &)
void	postGlobalBeginRun (edm::GlobalContext const &)
void	setupFieldForPropagator (TEveTrackPropagator *prop)
void	slotContinue ()
void	slotExit ()
void	slotNextEvent ()
void	slotStep ()
virtual	~EveService ()

Protected Member Functions
void	createEventNavigationGUI ()

Private Member Functions
	ClassDef (EveService, 0)
	EveService (const EveService &)
const EveService &	operator= (const EveService &)

Private Attributes
bool	m_AllowStep
TGTextButton *	m_ContinueButton
TEveManager *	m_EveManager
TEveMagField *	m_MagField
TRint *	m_Rint
bool	m_ShowEvent
TGTextButton *	m_StepButton
TGLabel *	m_StepLabel

Detailed Description

Description: [one line class summary]

Usage: <usage>

Definition at line 43 of file EveService.h.

Constructor & Destructor Documentation

EveService() [1/2]

EveService::EveService	(	const edm::ParameterSet &	,
		edm::ActivityRegistry &	ar
	)

Definition at line 111 of file EveService.cc.

References cms::cuda::assert(), gather_cfg::cout, createEventNavigationGUI(), m_EveManager, m_MagField, m_Rint, postBeginJob(), postEndJob(), postEvent(), postGlobalBeginRun(), edm::ActivityRegistry::watchPostBeginJob(), edm::ActivityRegistry::watchPostEndJob(), edm::ActivityRegistry::watchPostEvent(), and edm::ActivityRegistry::watchPostGlobalBeginRun().

    : m_EveManager(nullptr),
      m_Rint(nullptr),
      m_MagField(nullptr),
      m_AllowStep(true),
      m_ShowEvent(true),
      m_ContinueButton(nullptr),
      m_StepButton(nullptr),
      m_StepLabel(nullptr) {
  printf("EveService::EveService CTOR\n");

  std::cout << " gApplication " << gApplication << std::endl;
  std::cout << " is batch " << gROOT->IsBatch() << std::endl;
  std::cout << " display " << gSystem->Getenv("DISPLAY") << std::endl;

  const char* dummyArgvArray[] = {"cmsRun"};
  char** dummyArgv = const_cast<char**>(dummyArgvArray);
  int dummyArgc = 1;

  m_Rint = new TRint("App", &dummyArgc, dummyArgv);
  assert(TApplication::GetApplications()->GetSize());

  gROOT->SetBatch(kFALSE);
  std::cout << "calling NeedGraphicsLibs()" << std::endl;
  TApplication::NeedGraphicsLibs();

  m_EveManager = TEveManager::Create();

  m_EveManager->AddEvent(new TEveEventManager("Event", "Event Data"));

  m_MagField = new CmsEveMagField();

  createEventNavigationGUI();

  // ----------------------------------------------------------------

  ar.watchPostBeginJob(this, &EveService::postBeginJob);
  ar.watchPostEndJob(this, &EveService::postEndJob);

  ar.watchPostGlobalBeginRun(this, &EveService::postGlobalBeginRun);

  ar.watchPostEvent(this, &EveService::postEvent);
}

~EveService()

EveService::~EveService ( )

virtual

Definition at line 155 of file EveService.cc.

References m_MagField.

                        {
  printf("EveService::~EveService DTOR\n");

  delete m_MagField;
}

EveService() [2/2]

EveService::EveService ( const EveService &  )

private

Member Function Documentation

AddElement()

void EveService::AddElement

(

TEveElement *

el

)

Definition at line 261 of file EveService.cc.

References m_EveManager.

Referenced by DummyEvelyser::analyze(), and DisplayGeom::analyze().

{ m_EveManager->AddElement(el); }

AddGlobalElement()

void EveService::AddGlobalElement

(

TEveElement *

el

)

Definition at line 263 of file EveService.cc.

References m_EveManager.

Referenced by DisplayGeom::beginJob(), and DummyEvelyser::beginRun().

{ m_EveManager->AddGlobalElement(el); }

ClassDef()

EveService::ClassDef ( EveService  , 0    )

private

createEventNavigationGUI()

void EveService::createEventNavigationGUI ( )

protected

Definition at line 285 of file EveService.cc.

References f, m_ContinueButton, m_StepButton, and m_StepLabel.

Referenced by EveService().

                                          {
  const TString cls("EveService");

  TEveBrowser* browser = gEve->GetBrowser();
  browser->StartEmbedding(TRootBrowser::kBottom);

  TGMainFrame* mf = new TGMainFrame(gClient->GetRoot(), 400, 100, kVerticalFrame);

  TGHorizontalFrame* f = new TGHorizontalFrame(mf);
  mf->AddFrame(f, new TGLayoutHints(kLHintsExpandX, 0, 0, 2, 2));

  MkTxtButton(f, "Exit", 100, 2, 2)->Connect("Clicked()", cls, this, "slotExit()");

  MkTxtButton(f, "Next Event", 100, 2, 2)->Connect("Clicked()", cls, this, "slotNextEvent()");

  m_ContinueButton = MkTxtButton(f, "Continue", 100, 2, 2);
  m_ContinueButton->Connect("Clicked()", cls, this, "slotContinue()");

  m_StepButton = MkTxtButton(f, "Step", 100, 2, 2);
  m_StepButton->Connect("Clicked()", cls, this, "slotStep()");

  m_StepLabel = new TGLabel(mf, "");
  m_StepLabel->SetTextJustify(kTextTop | kTextLeft);
  mf->AddFrame(m_StepLabel, new TGLayoutHints(kLHintsNormal | kLHintsExpandX | kLHintsExpandY, 2, 2, 2, 2));

  mf->SetCleanup(kDeepCleanup);
  mf->Layout();
  mf->MapSubwindows();
  mf->MapWindow();

  browser->StopEmbedding("EventCtrl");
}

display()

void EveService::display

(

const std::string &

info = ""

)

Definition at line 232 of file EveService.cc.

References info(), m_AllowStep, m_ContinueButton, m_Rint, m_StepButton, and m_StepLabel.

Referenced by DummyEvelyser::analyze().

                                              {
  // Display whatever was registered so far, wait until user presses
  // the "Step" button.

  if (m_AllowStep) {
    m_ContinueButton->SetEnabled(kTRUE);
    m_StepButton->SetEnabled(kTRUE);
    m_StepLabel->SetText(info.c_str());
    gEve->Redraw3D();
    m_Rint->Run(kTRUE);
  }
}

getMagField()

TEveMagField * EveService::getMagField

(

)

Definition at line 254 of file EveService.cc.

References m_MagField.

{ return m_MagField; }

getManager()

TEveManager * EveService::getManager

(

)

Definition at line 249 of file EveService.cc.

References m_EveManager.

Referenced by DisplayGeom::analyze(), and DummyEvelyser::beginRun().

                                    {
  gEve = m_EveManager;
  return m_EveManager;
}

operator=()

const EveService& EveService::operator= ( const EveService &  )

private

postBeginJob()

void EveService::postBeginJob

(

)

Definition at line 165 of file EveService.cc.

Referenced by EveService().

                              {
  printf("EveService::postBeginJob\n");

  // Show the GUI ...
  gSystem->ProcessEvents();
}

postEndJob()

void EveService::postEndJob

(

)

Definition at line 172 of file EveService.cc.

Referenced by EveService().

                            {
  printf("EveService::postEndJob\n");

  TEveManager::Terminate();
}

postEvent()

void EveService::postEvent

(

edm::StreamContext const &

)

Definition at line 213 of file EveService.cc.

References m_AllowStep, m_ContinueButton, m_Rint, m_ShowEvent, m_StepButton, and m_StepLabel.

Referenced by EveService().

                                                  {
  printf("EveService::postProcessEvent: Starting GUI loop.\n");

  m_StepButton->SetEnabled(kFALSE);
  m_ContinueButton->SetEnabled(kFALSE);
  m_StepLabel->SetText("");

  if (m_ShowEvent) {
    gEve->Redraw3D();
    m_Rint->Run(kTRUE);
  }
  m_ShowEvent = true;
  m_AllowStep = true;

  gEve->GetCurrentEvent()->DestroyElements();
}

postGlobalBeginRun()

void EveService::postGlobalBeginRun

(

edm::GlobalContext const &

)

Definition at line 180 of file EveService.cc.

References m_MagField.

Referenced by EveService().

                                                           {
  float current = 18160.0f;
  /*
   try 
   {
      edm::Handle<edm::ConditionsInRunBlock> runCond;
      bool res = iRun.getByLabel("conditionsInEdm", runCond);
      if (res && runCond.isValid())
      {
         printf("Got current from conds in edm %f\n", runCond->BAvgCurrent);
         current = runCond->BAvgCurrent;
      }
      else
      {
         printf("Could not extract run-conditions get-result=%d, is-valid=%d\n", res, runCond.isValid());

         edm::ESHandle<RunInfo> sum;
         iSetup.get<RunInfoRcd>().get(sum);

         current = sum->m_avg_current;
         printf("Got current from RunInfoRcd %f\n", sum->m_avg_current);
      }
   }
   catch (...) 
   {
   }
   */
  printf("RunInfo not available \n");
  static_cast<CmsEveMagField*>(m_MagField)->SetFieldByCurrent(current);
}

setupFieldForPropagator()

void EveService::setupFieldForPropagator

(

TEveTrackPropagator *

prop

)

Definition at line 255 of file EveService.cc.

References m_MagField.

Referenced by DummyEvelyser::beginJob().

{ prop->SetMagFieldObj(m_MagField, kFALSE); }

slotContinue()

void EveService::slotContinue

(

)

Definition at line 337 of file EveService.cc.

References m_AllowStep.

                              {
  gSystem->ExitLoop();
  m_AllowStep = false;
}

slotExit()

void EveService::slotExit

(

)

Definition at line 318 of file EveService.cc.

                          {
  gSystem->ExitLoop();
  printf("EveService exiting on user request.\n");

  // Throwing exception here is bad because:
  //   a) it does not work when in a "debug step";
  //   b) does not restore terminal state.
  // So we do exit instead for now.
  // throw cms::Exception("UserTerminationRequest");

  gSystem->Exit(0);
}

slotNextEvent()

void EveService::slotNextEvent

(

)

Definition at line 331 of file EveService.cc.

References m_AllowStep, and m_ShowEvent.

                               {
  gSystem->ExitLoop();
  m_ShowEvent = false;
  m_AllowStep = false;
}

slotStep()

void EveService::slotStep

(

)

Definition at line 342 of file EveService.cc.

{ gSystem->ExitLoop(); }

Member Data Documentation

m_AllowStep

bool EveService::m_AllowStep

private

Definition at line 92 of file EveService.h.

Referenced by display(), postEvent(), slotContinue(), and slotNextEvent().

m_ContinueButton

TGTextButton* EveService::m_ContinueButton

private

Definition at line 95 of file EveService.h.

Referenced by createEventNavigationGUI(), display(), and postEvent().

m_EveManager

TEveManager* EveService::m_EveManager

private

Definition at line 87 of file EveService.h.

Referenced by AddElement(), AddGlobalElement(), EveService(), and getManager().

m_MagField

TEveMagField* EveService::m_MagField

private

Definition at line 90 of file EveService.h.

Referenced by EveService(), getMagField(), postGlobalBeginRun(), setupFieldForPropagator(), and ~EveService().

m_Rint

TRint* EveService::m_Rint

private

Definition at line 88 of file EveService.h.

Referenced by display(), EveService(), and postEvent().

m_ShowEvent

bool EveService::m_ShowEvent

private

Definition at line 93 of file EveService.h.

Referenced by postEvent(), and slotNextEvent().

m_StepButton

TGTextButton* EveService::m_StepButton

private

Definition at line 96 of file EveService.h.

Referenced by createEventNavigationGUI(), display(), and postEvent().

m_StepLabel

TGLabel* EveService::m_StepLabel

private

Definition at line 97 of file EveService.h.

Referenced by createEventNavigationGUI(), display(), and postEvent().