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 44 of file EveService.h.

Constructor & Destructor Documentation

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

Definition at line 125 of file EveService.cc.

References 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(0), m_Rint(0),
   m_MagField(0),
   m_AllowStep(true), m_ShowEvent(true),
   m_ContinueButton(0), m_StepButton(0), m_StepLabel(0)
{
   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 ( )

virtual

Definition at line 166 of file EveService.cc.

References m_MagField.

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

   delete m_MagField;
}

EveService::EveService ( const EveService &  )

private

Member Function Documentation

void EveService::AddElement

(

TEveElement *

el

)

Definition at line 288 of file EveService.cc.

References m_EveManager.

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

{
  m_EveManager->AddElement(el);
}

void EveService::AddGlobalElement

(

TEveElement *

el

)

Definition at line 293 of file EveService.cc.

References m_EveManager.

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

{
  m_EveManager->AddGlobalElement(el);
}

EveService::ClassDef ( EveService  , 0    )

private

void EveService::createEventNavigationGUI ( )

protected

Definition at line 321 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");
}

void EveService::display

(

const std::string &

info = ""

)

Definition at line 250 of file EveService.cc.

References 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);
   }
}

TEveMagField * EveService::getMagField

(

)

Definition at line 275 of file EveService.cc.

References m_MagField.

{
   return m_MagField;
}

TEveManager * EveService::getManager

(

)

Definition at line 269 of file EveService.cc.

References m_EveManager.

Referenced by DummyEvelyser::beginRun().

{
   gEve = m_EveManager;
   return m_EveManager;
}

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

private

void EveService::postBeginJob

(

)

Definition at line 178 of file EveService.cc.

Referenced by EveService().

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

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

void EveService::postEndJob

(

)

Definition at line 186 of file EveService.cc.

Referenced by EveService().

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

   TEveManager::Terminate();
}

void EveService::postEvent

(

edm::StreamContext const &

)

Definition at line 229 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();
}

void EveService::postGlobalBeginRun

(

edm::GlobalContext const &

)

Definition at line 195 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);
}

void EveService::setupFieldForPropagator

(

TEveTrackPropagator *

prop

)

Definition at line 279 of file EveService.cc.

References m_MagField.

Referenced by DummyEvelyser::beginJob().

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

void EveService::slotContinue

(

)

Definition at line 378 of file EveService.cc.

References m_AllowStep.

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

void EveService::slotExit

(

)

Definition at line 357 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);
}

void EveService::slotNextEvent

(

)

Definition at line 371 of file EveService.cc.

References m_AllowStep, and m_ShowEvent.

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

void EveService::slotStep

(

)

Definition at line 384 of file EveService.cc.

{
   gSystem->ExitLoop();
}

Member Data Documentation

bool EveService::m_AllowStep

private

Definition at line 94 of file EveService.h.

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

TGTextButton* EveService::m_ContinueButton

private

Definition at line 97 of file EveService.h.

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

TEveManager* EveService::m_EveManager

private

Definition at line 89 of file EveService.h.

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

TEveMagField* EveService::m_MagField

private

Definition at line 92 of file EveService.h.

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

TRint* EveService::m_Rint

private

Definition at line 90 of file EveService.h.

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

bool EveService::m_ShowEvent

private

Definition at line 95 of file EveService.h.

Referenced by postEvent(), and slotNextEvent().

TGTextButton* EveService::m_StepButton

private

Definition at line 98 of file EveService.h.

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

TGLabel* EveService::m_StepLabel

private

Definition at line 99 of file EveService.h.

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