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Demo1.h

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// Demonstration of a gismo detector:  Demo1

#include "gismo/Detector.h"
#include "gismo/World.h"
#include "geometry/Box.h"
#include "gismo/Field.h"
#include "gismo/TowerArray.h"
#include "gismo/MCParticle.h"
#include "gismo/SimpleDetector.h"


//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//                      class Demo1
//  This is a subclass of world that creates a simple detector in the
//  constructor
class Demo1 : public World
{
public:
Demo1()
  :World(150)
  {
        setMaxStep(500.); // so steps exit
        Medium* child; // pointer to children as we add them

        //---------------------------------------------
        // define the calorimeter: a meter of liquid argon in a magnetic field
        //      with transverse tower readout
        TowerArray* tower = new TowerArray(10,10,50,50,50 ,0);
        tower->s_display_scale = 1/0.01; //10 MeV per cm

        child= new Medium(this, new Box(50,50,100), "ArLiq", tower );
        child->setTitle("calorimeter");
        child->setMaxStep(1.0);           //less than segmentation
        child->setField(new Field(0,0.4,0));
        child->moveZ(10);

        //---------------------------------------------
        // put a preradiator (1 cm of Pb) in from of the calorimeter
        child =  new Medium(this,  new Box(50,50,1)     ,  "Pb" );
        child->setTitle("preradiator");
        child->moveZ(-55);
        
        //---------------------------------------------
        // define the tracker between preradiator and a calorimeter
        child = new Medium(this, new Box(50.,50.,1.0),"vacuum", new SimpleDetector("tracker"));
        child->setTitle("tracker");
        child->moveZ(-50);

  }
};

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