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BaseApp.h

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// $Id: BaseApp.h,v 1.1 2000/09/01 20:25:11 burnett Exp $
//
// BaseApp.h, a part of the Gismo project
//
// This defines BaseApp, the base class for  Gismo applications. To use, one
// must specify a World, and a Generator. There are no default interactions, which
// must be added (before creating the World!) by addInteractor

#ifndef __BaseApp_H
#define __BaseApp_H

#include "gismo/World.h"
#include "gismo/Generator.h"
#include "gismo/Interactor.h"
#include "gismo/Material.h"
#include "gismo/Detector.h"
#include "facilities/error.h"

#ifdef HAVE_NAMESPACE_STD
 using std::ostream;
 using std::cout;
#endif

class BaseApp 
{
  public:

        BaseApp();
        virtual ~BaseApp();
        // constructor, destructor

        BaseApp& addInteractor(Interactor*);
        // add an (optional) interactor

        BaseApp& setWorld(World* w);
        // define the known world

        BaseApp& setGenerator( Generator* g);
        // specify an event genertory   


        World& world();
        Generator& generator();
        // the known world, a box containing the detector, and the current Generator
        // use of these is an error if the pointer is zero

        BaseApp& setBeam(const char* name, const Vector& p, const Point& r);
        // define a monochromatic beam

        const char * run(unsigned long events=1);
        // call trigger for event 

        void stop();
        // will stop a run 


        unsigned long eventNumber;
        // number of current event

        const char * trigger();
        // trigger a MC event

        virtual void endEvent(){};
        // (user) processing at end of an event

        virtual void beginEvent(){};
        // (user) processing before a trigger

        void clearResponse(){if(_world) _world->clear();}
        // remove response of detectors

        void clearEvent();
        // clear out the current event & tracks

        void printEvent(std::ostream& = std::cout);
        void printPDT(std::ostream& = std::cout);
        void printMaterials(std::ostream& = std::cout);
        void printResponse(std::ostream& = std::cout);
        void printDetector(std::ostream& = std::cout);
        // printout the various things

    private:
      World* _world;
      Generator* _generator;


};

#endif

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