[u/mrichter/AliRoot.git] / ITS / AliITSgeomSSD.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

////////////////////////////////////////////////////////////////////////
// This class is for the Silicon Strip Detector, SSD, specific geometry.
// It is being replaced by AliITSsegmentationSSD class. This file also
// constains classes derived from AliITSgeomSSD which do nothing but
// initilize this one with predefined values.
////////////////////////////////////////////////////////////////////////

#include <Riostream.h>
#include <stdlib.h>
#include <TShape.h>
#include <TBRIK.h>

#include "AliITSgeomSSD.h"

ClassImp(AliITSgeomSSD)


AliITSgeomSSD::AliITSgeomSSD(){
// Default constructor
    fShapeSSD = 0;
    fNp       = 0;
    fNn       = 0;
    fLowEdgeP = 0;
    fLowEdgeN = 0;
    fAngleP   = 0.0;
    fAngleN   = 0.0;
}
//----------------------------------------------------------------------
AliITSgeomSSD::AliITSgeomSSD(const Float_t *box,Float_t ap,Float_t an,
			     Int_t np,Float_t *p,Int_t nn,Float_t *n){
////////////////////////////////////////////////////////////////////////
//    Standard Constructor. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
// np= number of anodes+1, *p= array of anode low edges+lighest edge.
///////////////////////////////////////////////////////////////////////
    fShapeSSD = 0;
    fNp       = 0;
    fNn       = 0;
    fLowEdgeP = 0;
    fLowEdgeN = 0;
    fAngleP   = 0.0;
    fAngleN   = 0.0;
    ResetSSD(box,ap,an,np,p,nn,n);
}
//----------------------------------------------------------------------
void AliITSgeomSSD::ResetSSD(const Float_t *box,Float_t ap,Float_t an,
			     Int_t np,Float_t *p,Int_t nn,Float_t *n){
////////////////////////////////////////////////////////////////////////
//    Standard Filler. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
// np= number of anodes+1, *p= array of anode low edges+lighest edge.
///////////////////////////////////////////////////////////////////////
    Int_t i;

    fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
			  box[0],box[1],box[2]);
//    if(fLowEdgeP!=0) delete fLowEdgeP;
//    if(fLowEdgeN!=0) delete fLowEdgeN;
    fNp = np;
    fNn = nn;
    fAngleP = ap;
    fAngleN = an;
    fLowEdgeP = new Float_t[fNp];
    fLowEdgeN = new Float_t[fNn];
    for(i=0;i<fNp;i++) fLowEdgeP[i] = p[i];
    for(i=0;i<fNn;i++) fLowEdgeN[i] = n[i];
}
//______________________________________________________________________
AliITSgeomSSD::~AliITSgeomSSD(){
    // Destructor.

    if(fLowEdgeP) delete [] fLowEdgeP; fLowEdgeP = 0;
    if(fLowEdgeN) delete [] fLowEdgeN; fLowEdgeN = 0;
    if(fShapeSSD) delete  fShapeSSD; fShapeSSD = 0;
    fNp = 0;
    fNn = 0;
    fAngleP = 0.0;
    fAngleN = 0.0;
}
AliITSgeomSSD::AliITSgeomSSD(const AliITSgeomSSD &source){
////////////////////////////////////////////////////////////////////////
//    copy  constructor
////////////////////////////////////////////////////////////////////////
    Int_t i;

    if(this == &source) return;
    this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
    this->fNp = source.fNp;
    this->fNn = source.fNn;
    delete fLowEdgeP;
    delete fLowEdgeN;
    this->fAngleP = source.fAngleP;
    this->fAngleN = source.fAngleN;
    fLowEdgeP = new Float_t[fNp];
    fLowEdgeN = new Float_t[fNn];
    for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
    for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
    return;
}  

AliITSgeomSSD& AliITSgeomSSD::operator=(const AliITSgeomSSD &source) {
////////////////////////////////////////////////////////////////////////
//    assignment operator
////////////////////////////////////////////////////////////////////////
    Int_t i;

    if(this == &source) return *this;
    this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
    this->fNp = source.fNp;
    this->fNn = source.fNn;
    delete fLowEdgeP;
    delete fLowEdgeN;
    this->fAngleP = source.fAngleP;
    this->fAngleN = source.fAngleN;
    fLowEdgeP = new Float_t[fNp];
    fLowEdgeN = new Float_t[fNn];
    for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
    for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
    return *this;
}
//______________________________________________________________________
void AliITSgeomSSD::Local2Det(Float_t x,Float_t z,Int_t &a,Int_t &c){
    // Given a GEANT detector local coordinate, cm, this function returns
    // the detector specific P and N side strip numbers.
    // Inputs are:
    // Float_t x   Geant detector local x coordinate in cm
    // Float_t z   Geant detector local z coordinate in cm
    // outputs are:
    // Int_t &a    Detector anode strip number (P side)
    // Int_t &c    Detector cathode strip number (N side)
    Float_t d,b;
    Int_t i;

    // project on to bonding edges.
    d = x*TMath::Cos(fAngleP)+z*TMath::Sin(fAngleP);
    b = x*TMath::Cos(fAngleN)+z*TMath::Sin(fAngleN);
    if(d<fLowEdgeP[0]) i=-1;
    else for(i=0;i<fNp;i++){
	if(fLowEdgeP[i]<d) break;
    } // end for i
    a = i;
    if(b<fLowEdgeN[0]) i=-1;
    else for(i=0;i<fNn;i++){
	if(fLowEdgeN[i]<b) break;
    } // end for i
    c = i;
    return;
}
//______________________________________________________________________
void AliITSgeomSSD::Det2Local(Int_t a,Int_t c,Float_t &x,Float_t &z){
//    Float_t d,b;
//    Int_t i;

    return;
}
//______________________________________________________________________
void AliITSgeomSSD::Print(ostream *os) const {
////////////////////////////////////////////////////////////////////////
// Standard output format for this class.
////////////////////////////////////////////////////////////////////////
    Int_t i;
#if defined __GNUC__
#if __GNUC__ > 2
    ios::fmtflags fmt;
#else
    Int_t fmt;
#endif
#else
#if defined __ICC || defined __ECC
    ios::fmtflags fmt;
#else
    Int_t fmt;
#endif
#endif

    fmt = os->setf(ios::scientific);  // set scientific floating point output
    *os << "TBRIK" << " ";
    *os << setprecision(16) << GetDx() << " ";
    *os << setprecision(16) << GetDy() << " ";
    *os << setprecision(16) << GetDz() << " ";
    *os << fNp << " " << fNn << " ";
    *os << setprecision(16) << fAngleP << " ";
    *os << setprecision(16) << fAngleN << " ";
    for(i=0;i<fNp;i++) *os << setprecision(16) << fLowEdgeP[i] << " ";
    for(i=0;i<fNn;i++) *os << setprecision(16) << fLowEdgeN[i] << " ";
    *os << endl;
    os->flags(fmt); // reset back to old formating.
    return;
}
//______________________________________________________________________
void AliITSgeomSSD::Read(istream *is){
////////////////////////////////////////////////////////////////////////
// Standard input format for this class.
////////////////////////////////////////////////////////////////////////
    Float_t dx,dy,dz;
    Int_t i;
    char shp[20];

    *is >> shp;
    *is >> dx >> dy >> dz;
    if(fShapeSSD!=0) delete fShapeSSD;
    fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
			    dx,dy,dz);
    *is >> fNp >> fNn;
    *is >> fAngleP >> fAngleN;
    if(fLowEdgeP !=0) delete fLowEdgeP;
    if(fLowEdgeN !=0) delete fLowEdgeN;
    fLowEdgeP = new Float_t[fNp];
    fLowEdgeN = new Float_t[fNn];
    for(i=0;i<fNp;i++) *is >> fLowEdgeP[i];
    for(i=0;i<fNn;i++) *is >> fLowEdgeN[i];
    return;
}
//----------------------------------------------------------------------
ostream &operator<<(ostream &os,AliITSgeomSSD &p){
////////////////////////////////////////////////////////////////////////
// Standard output streaming function.
////////////////////////////////////////////////////////////////////////

    p.Print(&os);
    return os;
}
//----------------------------------------------------------------------
istream &operator>>(istream &is,AliITSgeomSSD &r){
////////////////////////////////////////////////////////////////////////
// Standard input streaming function.
////////////////////////////////////////////////////////////////////////

    r.Read(&is);
    return is;
}
//======================================================================

ClassImp(AliITSgeomSSD175)

AliITSgeomSSD175::AliITSgeomSSD175() : AliITSgeomSSD(){
////////////////////////////////////////////////////////////////////////
//    default constructor
////////////////////////////////////////////////////////////////////////
    const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
    // Size of sensitive detector area x,y(thickness),z
    const Float_t kangle   = 0.0175; // angle in rad. of anode and cathodes
    const Float_t kpitch   = 0.0095;// cm anode separation.
    const Int_t   kNstrips = 768; // number of anode or cathode strips.
    Float_t *leA,*leC; // array of low edges anode and cathorde.
    Int_t i;

    leA = new Float_t[kNstrips+1];
    leC = new Float_t[kNstrips+1];
    leA[0] = -kDxyz[0];
    leA[1] = -kpitch*(0.5*kNstrips-1);
    leC[0] =  kDxyz[0];
    leC[1] =  kpitch*(0.5*kNstrips-1);
    for(i=1;i<kNstrips;i++){
	leA[i+1] = leA[i] + kpitch;
	leC[i+1] = leC[i] - kpitch;
    } // end for i
    leA[kNstrips] =  kDxyz[0];
    leC[kNstrips] = -kDxyz[0];
//    cout << "AliITSgeomSSD175 default creator called: start" << endl;
    AliITSgeomSSD::ResetSSD(kDxyz,kangle,-kangle,
				 kNstrips+1,leA,kNstrips+1,leC);
    delete leA;
    delete leC;
//    cout << "AliITSgeomSSD175 default creator called: end" << endl;
}
//________________________________________________________________________
ostream &operator<<(ostream &os,AliITSgeomSSD175 &p){
////////////////////////////////////////////////////////////////////////
// Standard output streaming function.
////////////////////////////////////////////////////////////////////////

    p.Print(&os);
    return os;
}
//----------------------------------------------------------------------
istream &operator>>(istream &is,AliITSgeomSSD175 &r){
////////////////////////////////////////////////////////////////////////
// Standard input streaming function.
////////////////////////////////////////////////////////////////////////

    r.Read(&is);
    return is;
}
//======================================================================

ClassImp(AliITSgeomSSD275and75)

AliITSgeomSSD275and75::AliITSgeomSSD275and75() : AliITSgeomSSD(){
////////////////////////////////////////////////////////////////////////
//    default constructor
////////////////////////////////////////////////////////////////////////
}
//----------------------------------------------------------------------
AliITSgeomSSD275and75::AliITSgeomSSD275and75(Int_t npar,Float_t *par) : 
                                                            AliITSgeomSSD(){
    // Default constructor for AliITSgeomSSD with strip angles of
    // 275 miliradians and 75 miliradians. This constructor initlizes
    // AliITSgeomSSD with the correct values. This is the miror image
    // of the AliITSgeomSSD75and275 class.
    const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
    // Size of sensitive detector area x,y(thickness),z
    const Float_t kangleA  = 0.0275; // angle in rad. of anode and cathodes
    const Float_t kangleC  = 0.0075; // angle in rad. of anode and cathodes
    const Float_t kpitch   = 0.0095;// cm anode separation.
    const Int_t   kNstrips = 768; // number of anode or cathode strips.
    Float_t *leA,*leC; // array of low edges anode and cathorde.
    Int_t i;

    leA = new Float_t[kNstrips+1];
    leC = new Float_t[kNstrips+1];
    leA[0] = -kDxyz[0];
    leA[1] = -kpitch*(0.5*kNstrips-1);
    leC[0] =  kDxyz[0];
    leC[1] =  kpitch*(0.5*kNstrips-1);
    for(i=1;i<kNstrips;i++){
	leA[i+1] = leA[i] + kpitch;
	leC[i+1] = leC[i] - kpitch;
    } // end for i
    leA[kNstrips] =  kDxyz[0];
    leC[kNstrips] = -kDxyz[0];
//    cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
    AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
				 kNstrips+1,leA,kNstrips+1,leC);
    delete [] leA;
    delete [] leC;
//    cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
}
//________________________________________________________________________
ostream &operator<<(ostream &os,AliITSgeomSSD275and75 &p){
////////////////////////////////////////////////////////////////////////
// Standard output streaming function.
////////////////////////////////////////////////////////////////////////

    p.Print(&os);
    return os;
}
//----------------------------------------------------------------------
istream &operator>>(istream &is,AliITSgeomSSD275and75 &r){
////////////////////////////////////////////////////////////////////////
// Standard input streaming function.
////////////////////////////////////////////////////////////////////////

    r.Read(&is);
    return is;
}
//======================================================================

ClassImp(AliITSgeomSSD75and275)

AliITSgeomSSD75and275::AliITSgeomSSD75and275() : AliITSgeomSSD(){
////////////////////////////////////////////////////////////////////////
//    default constructor
////////////////////////////////////////////////////////////////////////
}
AliITSgeomSSD75and275::AliITSgeomSSD75and275(Int_t npar,Float_t *par) : 
                                                            AliITSgeomSSD(){
    // Default constructor for AliITSgeomSSD with strip angles of
    // 75 miliradians and 275 miliradians. This constructor initlizes
    // AliITSgeomSSD with the correct values. This is the miror image
    // of the AliITSgeomSSD275and75 class.
    const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
    // Size of sensitive detector area x,y(thickness),z
    const Float_t kangleA  = 0.0075; // angle in rad. of anode and cathodes
    const Float_t kangleC  = 0.0275; // angle in rad. of anode and cathodes
    const Float_t kpitch   = 0.0095;// cm anode separation.
    const Int_t   kNstrips = 768; // number of anode or cathode strips.
    Float_t *leA,*leC; // array of low edges anode and cathorde.
    Int_t i;

    leA = new Float_t[kNstrips+1];
    leC = new Float_t[kNstrips+1];
    leA[0] = -kDxyz[0];
    leA[1] = -kpitch*(0.5*kNstrips-1);
    leC[0] =  kDxyz[0];
    leC[1] =  kpitch*(0.5*kNstrips-1);
    for(i=1;i<kNstrips;i++){
	leA[i+1] = leA[i] + kpitch;
	leC[i+1] = leC[i] - kpitch;
    } // end for i
    leA[kNstrips] =  kDxyz[0];
    leC[kNstrips] = -kDxyz[0];
//    cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
    AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
				 kNstrips+1,leA,kNstrips+1,leC);
    delete leA;
    delete leC;
//    cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
}
//________________________________________________________________________
ostream &operator<<(ostream &os,AliITSgeomSSD75and275 &p){
////////////////////////////////////////////////////////////////////////
// Standard output streaming function.
////////////////////////////////////////////////////////////////////////

    p.Print(&os);
    return os;
}
//----------------------------------------------------------------------
istream &operator>>(istream &is,AliITSgeomSSD75and275 &r){
////////////////////////////////////////////////////////////////////////
// Standard input streaming function.
////////////////////////////////////////////////////////////////////////

    r.Read(&is);
    return is;
}
//======================================================================
Commit	Line	Data
4c039060	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
88cb7938	16	/* $Id$ */
85f1e34a	17
	18	////////////////////////////////////////////////////////////////////////
	19	// This class is for the Silicon Strip Detector, SSD, specific geometry.
	20	// It is being replaced by AliITSsegmentationSSD class. This file also
	21	// constains classes derived from AliITSgeomSSD which do nothing but
	22	// initilize this one with predefined values.
	23	////////////////////////////////////////////////////////////////////////
	24
4ae5bbc4	25	#include <Riostream.h>
8253cd9a	26	#include <stdlib.h>
	27	#include <TShape.h>
	28	#include <TBRIK.h>
	29
58005f18	30	#include "AliITSgeomSSD.h"
	31
	32	ClassImp(AliITSgeomSSD)
31b8cd63	33
	34
	35	AliITSgeomSSD::AliITSgeomSSD(){
	36	// Default constructor
	37	fShapeSSD = 0;
	38	fNp = 0;
	39	fNn = 0;
	40	fLowEdgeP = 0;
	41	fLowEdgeN = 0;
	42	fAngleP = 0.0;
	43	fAngleN = 0.0;
	44	}
	45	//----------------------------------------------------------------------
8253cd9a	46	AliITSgeomSSD::AliITSgeomSSD(const Float_t *box,Float_t ap,Float_t an,
8253cd9a	47	Int_t np,Float_t p,Int_t nn,Float_t n){
a3d834a0	48	////////////////////////////////////////////////////////////////////////
8253cd9a	49	// Standard Constructor. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
	50	// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
	51	// np= number of anodes+1, *p= array of anode low edges+lighest edge.
31b8cd63	52	///////////////////////////////////////////////////////////////////////
	53	fShapeSSD = 0;
	54	fNp = 0;
	55	fNn = 0;
	56	fLowEdgeP = 0;
	57	fLowEdgeN = 0;
	58	fAngleP = 0.0;
	59	fAngleN = 0.0;
	60	ResetSSD(box,ap,an,np,p,nn,n);
	61	}
	62	//----------------------------------------------------------------------
	63	void AliITSgeomSSD::ResetSSD(const Float_t *box,Float_t ap,Float_t an,
	64	Int_t np,Float_t p,Int_t nn,Float_t n){
	65	////////////////////////////////////////////////////////////////////////
	66	// Standard Filler. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
	67	// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
	68	// np= number of anodes+1, *p= array of anode low edges+lighest edge.
8253cd9a	69	///////////////////////////////////////////////////////////////////////
8253cd9a	70	Int_t i;
a3d834a0	71
a3d834a0	72	fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
8253cd9a	73	box[0],box[1],box[2]);
31b8cd63	74	// if(fLowEdgeP!=0) delete fLowEdgeP;
31b8cd63	75	// if(fLowEdgeN!=0) delete fLowEdgeN;
8253cd9a	76	fNp = np;
	77	fNn = nn;
	78	fAngleP = ap;
	79	fAngleN = an;
	80	fLowEdgeP = new Float_t[fNp];
	81	fLowEdgeN = new Float_t[fNn];
	82	for(i=0;i<fNp;i++) fLowEdgeP[i] = p[i];
	83	for(i=0;i<fNn;i++) fLowEdgeN[i] = n[i];
	84	}
	85	//______________________________________________________________________
	86	AliITSgeomSSD::~AliITSgeomSSD(){
	87	// Destructor.
	88
cd77595e	89	if(fLowEdgeP) delete [] fLowEdgeP; fLowEdgeP = 0;
	90	if(fLowEdgeN) delete [] fLowEdgeN; fLowEdgeN = 0;
	91	if(fShapeSSD) delete fShapeSSD; fShapeSSD = 0;
8253cd9a	92	fNp = 0;
	93	fNn = 0;
	94	fAngleP = 0.0;
	95	fAngleN = 0.0;
58005f18	96	}
4024ebf6	97	AliITSgeomSSD::AliITSgeomSSD(const AliITSgeomSSD &source){
	98	////////////////////////////////////////////////////////////////////////
	99	// copy constructor
	100	////////////////////////////////////////////////////////////////////////
8253cd9a	101	Int_t i;
4024ebf6	102
8253cd9a	103	if(this == &source) return;
93a31784	104	this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
8253cd9a	105	this->fNp = source.fNp;
	106	this->fNn = source.fNn;
	107	delete fLowEdgeP;
	108	delete fLowEdgeN;
	109	this->fAngleP = source.fAngleP;
	110	this->fAngleN = source.fAngleN;
	111	fLowEdgeP = new Float_t[fNp];
	112	fLowEdgeN = new Float_t[fNn];
	113	for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
	114	for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
4024ebf6	115	return;
	116	}
	117
	118	AliITSgeomSSD& AliITSgeomSSD::operator=(const AliITSgeomSSD &source) {
	119	////////////////////////////////////////////////////////////////////////
	120	// assignment operator
	121	////////////////////////////////////////////////////////////////////////
8253cd9a	122	Int_t i;
4024ebf6	123
8253cd9a	124	if(this == &source) return *this;
93a31784	125	this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
8253cd9a	126	this->fNp = source.fNp;
	127	this->fNn = source.fNn;
	128	delete fLowEdgeP;
	129	delete fLowEdgeN;
	130	this->fAngleP = source.fAngleP;
	131	this->fAngleN = source.fAngleN;
	132	fLowEdgeP = new Float_t[fNp];
	133	fLowEdgeN = new Float_t[fNn];
	134	for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
	135	for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
4024ebf6	136	return *this;
4024ebf6	137	}
8253cd9a	138	//______________________________________________________________________
8253cd9a	139	void AliITSgeomSSD::Local2Det(Float_t x,Float_t z,Int_t &a,Int_t &c){
85f1e34a	140	// Given a GEANT detector local coordinate, cm, this function returns
	141	// the detector specific P and N side strip numbers.
	142	// Inputs are:
	143	// Float_t x Geant detector local x coordinate in cm
	144	// Float_t z Geant detector local z coordinate in cm
	145	// outputs are:
	146	// Int_t &a Detector anode strip number (P side)
	147	// Int_t &c Detector cathode strip number (N side)
8253cd9a	148	Float_t d,b;
	149	Int_t i;
	150
	151	// project on to bonding edges.
	152	d = xTMath::Cos(fAngleP)+zTMath::Sin(fAngleP);
	153	b = xTMath::Cos(fAngleN)+zTMath::Sin(fAngleN);
	154	if(d<fLowEdgeP[0]) i=-1;
	155	else for(i=0;i<fNp;i++){
	156	if(fLowEdgeP[i]<d) break;
	157	} // end for i
	158	a = i;
	159	if(b<fLowEdgeN[0]) i=-1;
	160	else for(i=0;i<fNn;i++){
	161	if(fLowEdgeN[i]<b) break;
	162	} // end for i
	163	c = i;
	164	return;
	165	}
	166	//______________________________________________________________________
	167	void AliITSgeomSSD::Det2Local(Int_t a,Int_t c,Float_t &x,Float_t &z){
	168	// Float_t d,b;
	169	// Int_t i;
4024ebf6	170
8253cd9a	171	return;
	172	}
	173	//______________________________________________________________________
31b8cd63	174	void AliITSgeomSSD::Print(ostream *os) const {
8253cd9a	175	////////////////////////////////////////////////////////////////////////
	176	// Standard output format for this class.
	177	////////////////////////////////////////////////////////////////////////
8253cd9a	178	Int_t i;
431a7819	179	#if defined __GNUC__
	180	#if __GNUC__ > 2
	181	ios::fmtflags fmt;
	182	#else
	183	Int_t fmt;
	184	#endif
94831058	185	#else
d9f43611	186	#if defined __ICC \|\| defined __ECC
94831058	187	ios::fmtflags fmt;
431a7819	188	#else
431a7819	189	Int_t fmt;
94831058	190	#endif
431a7819	191	#endif
8253cd9a	192
	193	fmt = os->setf(ios::scientific); // set scientific floating point output
	194	*os << "TBRIK" << " ";
	195	*os << setprecision(16) << GetDx() << " ";
	196	*os << setprecision(16) << GetDy() << " ";
	197	*os << setprecision(16) << GetDz() << " ";
	198	*os << fNp << " " << fNn << " ";
	199	*os << setprecision(16) << fAngleP << " ";
	200	*os << setprecision(16) << fAngleN << " ";
	201	for(i=0;i<fNp;i++) *os << setprecision(16) << fLowEdgeP[i] << " ";
	202	for(i=0;i<fNn;i++) *os << setprecision(16) << fLowEdgeN[i] << " ";
	203	*os << endl;
	204	os->flags(fmt); // reset back to old formating.
	205	return;
	206	}
	207	//______________________________________________________________________
	208	void AliITSgeomSSD::Read(istream *is){
	209	////////////////////////////////////////////////////////////////////////
	210	// Standard input format for this class.
	211	////////////////////////////////////////////////////////////////////////
	212	Float_t dx,dy,dz;
	213	Int_t i;
	214	char shp[20];
4024ebf6	215
8253cd9a	216	*is >> shp;
	217	*is >> dx >> dy >> dz;
	218	if(fShapeSSD!=0) delete fShapeSSD;
	219	fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
	220	dx,dy,dz);
	221	*is >> fNp >> fNn;
	222	*is >> fAngleP >> fAngleN;
	223	if(fLowEdgeP !=0) delete fLowEdgeP;
	224	if(fLowEdgeN !=0) delete fLowEdgeN;
	225	fLowEdgeP = new Float_t[fNp];
	226	fLowEdgeN = new Float_t[fNn];
31b8cd63	227	for(i=0;i<fNp;i++) *is >> fLowEdgeP[i];
8253cd9a	228	for(i=0;i<fNn;i++) *is >> fLowEdgeN[i];
	229	return;
	230	}
	231	//----------------------------------------------------------------------
	232	ostream &operator<<(ostream &os,AliITSgeomSSD &p){
	233	////////////////////////////////////////////////////////////////////////
	234	// Standard output streaming function.
	235	////////////////////////////////////////////////////////////////////////
4024ebf6	236
8253cd9a	237	p.Print(&os);
	238	return os;
	239	}
	240	//----------------------------------------------------------------------
	241	istream &operator>>(istream &is,AliITSgeomSSD &r){
	242	////////////////////////////////////////////////////////////////////////
	243	// Standard input streaming function.
	244	////////////////////////////////////////////////////////////////////////
4024ebf6	245
8253cd9a	246	r.Read(&is);
	247	return is;
	248	}
	249	//======================================================================
4024ebf6	250
8253cd9a	251	ClassImp(AliITSgeomSSD175)
4024ebf6	252
8253cd9a	253	AliITSgeomSSD175::AliITSgeomSSD175() : AliITSgeomSSD(){
	254	////////////////////////////////////////////////////////////////////////
	255	// default constructor
	256	////////////////////////////////////////////////////////////////////////
	257	const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
	258	// Size of sensitive detector area x,y(thickness),z
	259	const Float_t kangle = 0.0175; // angle in rad. of anode and cathodes
	260	const Float_t kpitch = 0.0095;// cm anode separation.
	261	const Int_t kNstrips = 768; // number of anode or cathode strips.
	262	Float_t leA,leC; // array of low edges anode and cathorde.
	263	Int_t i;
	264
	265	leA = new Float_t[kNstrips+1];
	266	leC = new Float_t[kNstrips+1];
	267	leA[0] = -kDxyz[0];
	268	leA[1] = -kpitch(0.5kNstrips-1);
	269	leC[0] = kDxyz[0];
	270	leC[1] = kpitch(0.5kNstrips-1);
	271	for(i=1;i<kNstrips;i++){
	272	leA[i+1] = leA[i] + kpitch;
	273	leC[i+1] = leC[i] - kpitch;
	274	} // end for i
	275	leA[kNstrips] = kDxyz[0];
	276	leC[kNstrips] = -kDxyz[0];
	277	// cout << "AliITSgeomSSD175 default creator called: start" << endl;
31b8cd63	278	AliITSgeomSSD::ResetSSD(kDxyz,kangle,-kangle,
8253cd9a	279	kNstrips+1,leA,kNstrips+1,leC);
	280	delete leA;
	281	delete leC;
	282	// cout << "AliITSgeomSSD175 default creator called: end" << endl;
	283	}
	284	//________________________________________________________________________
	285	ostream &operator<<(ostream &os,AliITSgeomSSD175 &p){
	286	////////////////////////////////////////////////////////////////////////
	287	// Standard output streaming function.
	288	////////////////////////////////////////////////////////////////////////
4024ebf6	289
8253cd9a	290	p.Print(&os);
	291	return os;
	292	}
	293	//----------------------------------------------------------------------
	294	istream &operator>>(istream &is,AliITSgeomSSD175 &r){
	295	////////////////////////////////////////////////////////////////////////
	296	// Standard input streaming function.
	297	////////////////////////////////////////////////////////////////////////
4024ebf6	298
8253cd9a	299	r.Read(&is);
	300	return is;
	301	}
	302	//======================================================================
4024ebf6	303
8253cd9a	304	ClassImp(AliITSgeomSSD275and75)
4024ebf6	305
8253cd9a	306	AliITSgeomSSD275and75::AliITSgeomSSD275and75() : AliITSgeomSSD(){
	307	////////////////////////////////////////////////////////////////////////
	308	// default constructor
	309	////////////////////////////////////////////////////////////////////////
e99dbc71	310	}
	311	//----------------------------------------------------------------------
	312	AliITSgeomSSD275and75::AliITSgeomSSD275and75(Int_t npar,Float_t *par) :
	313	AliITSgeomSSD(){
85f1e34a	314	// Default constructor for AliITSgeomSSD with strip angles of
	315	// 275 miliradians and 75 miliradians. This constructor initlizes
	316	// AliITSgeomSSD with the correct values. This is the miror image
	317	// of the AliITSgeomSSD75and275 class.
8253cd9a	318	const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
	319	// Size of sensitive detector area x,y(thickness),z
	320	const Float_t kangleA = 0.0275; // angle in rad. of anode and cathodes
	321	const Float_t kangleC = 0.0075; // angle in rad. of anode and cathodes
	322	const Float_t kpitch = 0.0095;// cm anode separation.
	323	const Int_t kNstrips = 768; // number of anode or cathode strips.
	324	Float_t leA,leC; // array of low edges anode and cathorde.
	325	Int_t i;
	326
	327	leA = new Float_t[kNstrips+1];
	328	leC = new Float_t[kNstrips+1];
	329	leA[0] = -kDxyz[0];
	330	leA[1] = -kpitch(0.5kNstrips-1);
	331	leC[0] = kDxyz[0];
	332	leC[1] = kpitch(0.5kNstrips-1);
	333	for(i=1;i<kNstrips;i++){
	334	leA[i+1] = leA[i] + kpitch;
	335	leC[i+1] = leC[i] - kpitch;
	336	} // end for i
	337	leA[kNstrips] = kDxyz[0];
	338	leC[kNstrips] = -kDxyz[0];
	339	// cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
e99dbc71	340	AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
8253cd9a	341	kNstrips+1,leA,kNstrips+1,leC);
68ec3d3d	342	delete [] leA;
68ec3d3d	343	delete [] leC;
8253cd9a	344	// cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
	345	}
	346	//________________________________________________________________________
	347	ostream &operator<<(ostream &os,AliITSgeomSSD275and75 &p){
	348	////////////////////////////////////////////////////////////////////////
	349	// Standard output streaming function.
	350	////////////////////////////////////////////////////////////////////////
4024ebf6	351
8253cd9a	352	p.Print(&os);
	353	return os;
	354	}
	355	//----------------------------------------------------------------------
	356	istream &operator>>(istream &is,AliITSgeomSSD275and75 &r){
	357	////////////////////////////////////////////////////////////////////////
	358	// Standard input streaming function.
	359	////////////////////////////////////////////////////////////////////////
4024ebf6	360
8253cd9a	361	r.Read(&is);
	362	return is;
	363	}
	364	//======================================================================
4024ebf6	365
8253cd9a	366	ClassImp(AliITSgeomSSD75and275)
4024ebf6	367
8253cd9a	368	AliITSgeomSSD75and275::AliITSgeomSSD75and275() : AliITSgeomSSD(){
	369	////////////////////////////////////////////////////////////////////////
	370	// default constructor
	371	////////////////////////////////////////////////////////////////////////
e99dbc71	372	}
	373	AliITSgeomSSD75and275::AliITSgeomSSD75and275(Int_t npar,Float_t *par) :
	374	AliITSgeomSSD(){
85f1e34a	375	// Default constructor for AliITSgeomSSD with strip angles of
	376	// 75 miliradians and 275 miliradians. This constructor initlizes
	377	// AliITSgeomSSD with the correct values. This is the miror image
	378	// of the AliITSgeomSSD275and75 class.
8253cd9a	379	const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
	380	// Size of sensitive detector area x,y(thickness),z
	381	const Float_t kangleA = 0.0075; // angle in rad. of anode and cathodes
	382	const Float_t kangleC = 0.0275; // angle in rad. of anode and cathodes
	383	const Float_t kpitch = 0.0095;// cm anode separation.
	384	const Int_t kNstrips = 768; // number of anode or cathode strips.
	385	Float_t leA,leC; // array of low edges anode and cathorde.
	386	Int_t i;
	387
	388	leA = new Float_t[kNstrips+1];
	389	leC = new Float_t[kNstrips+1];
	390	leA[0] = -kDxyz[0];
	391	leA[1] = -kpitch(0.5kNstrips-1);
	392	leC[0] = kDxyz[0];
	393	leC[1] = kpitch(0.5kNstrips-1);
	394	for(i=1;i<kNstrips;i++){
	395	leA[i+1] = leA[i] + kpitch;
	396	leC[i+1] = leC[i] - kpitch;
	397	} // end for i
	398	leA[kNstrips] = kDxyz[0];
	399	leC[kNstrips] = -kDxyz[0];
	400	// cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
e99dbc71	401	AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
8253cd9a	402	kNstrips+1,leA,kNstrips+1,leC);
	403	delete leA;
	404	delete leC;
	405	// cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
	406	}
	407	//________________________________________________________________________
	408	ostream &operator<<(ostream &os,AliITSgeomSSD75and275 &p){
	409	////////////////////////////////////////////////////////////////////////
	410	// Standard output streaming function.
	411	////////////////////////////////////////////////////////////////////////
4024ebf6	412
8253cd9a	413	p.Print(&os);
	414	return os;
	415	}
	416	//----------------------------------------------------------------------
	417	istream &operator>>(istream &is,AliITSgeomSSD75and275 &r){
	418	////////////////////////////////////////////////////////////////////////
	419	// Standard input streaming function.
	420	////////////////////////////////////////////////////////////////////////
4024ebf6	421
8253cd9a	422	r.Read(&is);
	423	return is;
	424	}
	425	//======================================================================