Ex01DetectorConstructionOld Class Reference

The old (deprecated) detector construction class. More...

#include <Ex01DetectorConstructionOld.h>

Inheritance diagram for Ex01DetectorConstructionOld:

Public Member Functions
	Ex01DetectorConstructionOld ()
virtual	~Ex01DetectorConstructionOld ()
void	ConstructMaterials ()
void	ConstructVolumes ()

Private Attributes
Int_t	fImedAr
	The Argon medium Id.
Int_t	fImedAl
	The Aluminium medium Id.
Int_t	fImedPb
	The Lead medium Id.

Detailed Description

The old (deprecated) detector construction class.

Geometry definition via VMC (for testing purposes only). The recomended way of geometry definition is using TGeo geometry modeller.

Date

21/04/2002 Separated from Ex01MCAopplication, 08/12/2006

Author

I. Hrivnacova; IPN, Orsay

Definition at line 37 of file Ex01DetectorConstructionOld.h.

Constructor & Destructor Documentation

Ex01DetectorConstructionOld()

Ex01DetectorConstructionOld::Ex01DetectorConstructionOld

(

)

Default constructor

Definition at line 33 of file Ex01DetectorConstructionOld.cxx.

  : TObject(), fImedAr(0), fImedAl(0), fImedPb(0)
{
  /// Default constructor
}

~Ex01DetectorConstructionOld()

Ex01DetectorConstructionOld::~Ex01DetectorConstructionOld ( )

virtual

Destructor

Definition at line 40 of file Ex01DetectorConstructionOld.cxx.

{
  /// Destructor
}

Member Function Documentation

ConstructMaterials()

void Ex01DetectorConstructionOld::ConstructMaterials

(

)

Construct materials using VMC functions

Definition at line 46 of file Ex01DetectorConstructionOld.cxx.

{
  /// Construct materials using VMC functions
 
  Double_t a;
  Double_t z;
  Double_t density;
  Double_t radl;
  Double_t absl;
  Float_t* ubuf = 0;
 
  a = 39.95;
  z = 18.;
  density = 1.782e-03;
  radl = 0.1;
  absl = 0.1;
  Int_t imatAr;
  gMC->Material(imatAr, "ArgonGas", a, z, density, radl, absl, ubuf, 0);
 
  a = 26.98;
  z = 13.;
  density = 2.7;
  radl = 0.1;
  absl = 0.1;
  Int_t imatAl;
  gMC->Material(imatAl, "Aluminium", a, z, density, radl, absl, ubuf, 0);
  // user defined parameters (only for test)
  // Float_t ubuf2[3];
  // ubuf2[0]=5.5; ubuf2[1]=6.5; ubuf2[2] = 7.5;
  // gMC->Material(imatAl, "Aluminium", a, z, density, radl, absl, ubuf2, 3);
 
  a = 207.19;
  z = 82.;
  density = 11.35;
  radl = 0.1;
  absl = 0.1;
  Int_t imatLead;
  gMC->Material(imatLead, "Lead", a, z, density, radl, absl, ubuf, 0);
 
  // Polyethylene
  // Mixture defined with the negative number of component, to test updating
  // wmat. (If nlmat < 0 then wmat contains the number of atoms of a given kind
  // into the molecule of the compound. In this case, wmat in output is changed
  // to relative weights.)
  Float_t apoly[2] = { 12.01, 1. };
  Float_t zpoly[2] = { 6., 1. };
  Float_t wpoly[2] = { .33, .67 };
  Int_t imatPoly;
  cout << "imatPoly"
       << " wpoly: " << wpoly[0] << ", " << wpoly[1] << endl;
  gMC->Mixture(imatPoly, "POLYETHYLEN0$", apoly, zpoly, .95, -2, wpoly);
  cout << "imatPoly"
       << " wpoly: " << wpoly[0] << ", " << wpoly[1] << endl;
 
  //
  // Tracking medias
  //
 
  Int_t ifield = 0;        // No magnetic field
  Double_t fieldm = 0.;    //
  Double_t epsil = .001;   // Tracking precision,
  Double_t stemax = -0.01; // Maximum displacement for multiple scat
  Double_t tmaxfd = -20.;  // Maximum angle due to field deflection
  Double_t deemax = -.3;   // Maximum fractional energy loss, DLS
  Double_t stmin = -.8;
  gMC->Medium(fImedAr, "ArgonGas", imatAr, 0, ifield, fieldm, tmaxfd, stemax,
    deemax, epsil, stmin, ubuf, 0);
  gMC->Medium(fImedAl, "Aluminium", imatAl, 0, ifield, fieldm, tmaxfd, stemax,
    deemax, epsil, stmin, ubuf, 0);
  gMC->Medium(fImedPb, "Lead", imatLead, 0, ifield, fieldm, tmaxfd, stemax,
    deemax, epsil, stmin, ubuf, 0);
}

ConstructVolumes()

void Ex01DetectorConstructionOld::ConstructVolumes

(

)

Construct volumes using VMC functions

Definition at line 120 of file Ex01DetectorConstructionOld.cxx.

{
  /// Construct volumes using VMC functions
 
  //------------------------------ experimental hall (world volume)
  //------------------------------ beam line along x axis
 
  Double_t expHall[3];
  expHall[0] = 300.;
  expHall[1] = 100.;
  expHall[2] = 100.;
  gMC->Gsvolu("EXPH", "BOX", fImedAr, expHall, 3);
 
  //------------------------------ a tracker tube
 
  Double_t trackerTube[3];
  trackerTube[0] = 0.;
  trackerTube[1] = 60.;
  trackerTube[2] = 50.;
  gMC->Gsvolu("TRTU", "TUBE", fImedAl, trackerTube, 3);
 
  Double_t posX = -100.;
  Double_t posY = 0.;
  Double_t posZ = 0.;
  gMC->Gspos("TRTU", 1, "EXPH", posX, posY, posZ, 0, "ONLY");
 
  //------------------------------ a calorimeter block
 
  Double_t calBox[3];
  calBox[0] = 100.;
  calBox[1] = 50.;
  calBox[2] = 50.;
  gMC->Gsvolu("CALB", "BOX", fImedPb, calBox, 3);
 
  posX = 100.;
  posY = 0.;
  posZ = 0.;
  gMC->Gspos("CALB", 1, "EXPH", posX, posY, posZ, 0, "ONLY");
 
  //------------------------------ calorimeter layers
 
  Double_t layerBox[3];
  layerBox[0] = 1.;
  layerBox[1] = 40.;
  layerBox[2] = 40.;
  gMC->Gsvolu("LAYB", "BOX", fImedAl, layerBox, 3);
 
  for (Int_t i = 0; i < 19; i++) {
    posX = (i - 9) * 10.;
    posY = 0.;
    posZ = 0.;
    gMC->Gspos("LAYB", i, "CALB", posX, posY, posZ, 0, "ONLY");
  }
}

Member Data Documentation

fImedAr

Int_t Ex01DetectorConstructionOld::fImedAr

private

The Argon medium Id.

Definition at line 49 of file Ex01DetectorConstructionOld.h.

fImedAl

Int_t Ex01DetectorConstructionOld::fImedAl

private

The Aluminium medium Id.

Definition at line 50 of file Ex01DetectorConstructionOld.h.

fImedPb

Int_t Ex01DetectorConstructionOld::fImedPb

private

The Lead medium Id.

Definition at line 51 of file Ex01DetectorConstructionOld.h.

---

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

• examples/E01/include/Ex01DetectorConstructionOld.h
• examples/E01/src/Ex01DetectorConstructionOld.cxx