[u/mrichter/AliRoot.git] / TPC / AliTPCLaserTracks.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.                  *
 **************************************************************************/


///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  This class is a container class for the laser beam positions of          //
//  the TPC laser system (ALICE-INT-2002-022  v.1 ).                         //
//  The system consits of 6 Laser Rods, each contains four mirror bundels    //
//  on each side of the TPC. Each bundle has seven mirrors.                  //
//                                                                           //
//  The TPC side 0 corresponds to the "Shaft Side (A)", side 1 corresponds   //
//  to the "Muon Side (C)".
//  The laser rods are counted counter clockwise starting with the one       //
//  with the smalles phi angle.                                              //
//  The mirror bundles in one rod for each side are counted starting from    //
//  form the greatest z value to the smalles.                                //
//  The beams in each bundel are counted counter clockwise. Having all beams //
//  pointing downward, the first beam will be the leftmost.                  //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

/*
 Create File with design positions

 .L AliTPCLaserTrack.cxx+
 AliTPCLaserTracks ltracks
 ltracks.WriteTreeDesignData()
 TFile f("LaserTracksDesing.root");
 TTree * tree =(TTree*)f.Get("LaserTracks");
 
*/

#include <Riostream.h>
#include <TString.h>
#include <TPolyLine3D.h>
#include <TMath.h>
#include <TTree.h>
#include <TFile.h>
#include <TEventList.h>
#include <TVector2.h>
#include <TVector3.h>
#include <TROOT.h>

#include <TGraph.h>


#include "AliTPCLaserTracks.h"

////////////////////////////////////////////////////////////////////////
//              Class AliTPCLaserTracks
////////////////////////////////////////////////////////////////////////

ClassImp(AliTPCLaserTracks)

  AliTPCLaserTracks::AliTPCLaserTracks():TObject(),
    fId(-1),
    fSide(-1),
    fRod(-1),
    fBundle(-1),
    fBeam(-1),
    fX(0.),
    fY(0.),
    fZ(0.),
    fTime(0.),
    fPhi(0.),
    fTheta(0.),
    fMaxSize(0),
    fNpoints(0),
    fXarr(0x0),
    fYarr(0x0),
    fZarr(0x0)

{
    //
    //  AliTPCLaserTracks default constructor
    //
}

//_______________________________________________________________________
AliTPCLaserTracks::AliTPCLaserTracks(Int_t npoints):TObject(),
    fId(-1),
    fSide(-1),
    fRod(-1),
    fBundle(-1),
    fBeam(-1),
    fX(0.),
    fY(0.),
    fZ(0.),
    fTime(0.),
    fPhi(0.),
    fTheta(0.),
    fMaxSize(0),
    fNpoints(0),
    fXarr(0x0),
    fYarr(0x0),
    fZarr(0x0)

{
    //
    //  AliTPCLaserTracks constructor to initialise array of points
    //
    fNpoints = npoints;
    InitPoints();
}
//______________________________________________________________________
AliTPCLaserTracks::AliTPCLaserTracks(const AliTPCLaserTracks &param):TObject(),
    fId(-1),
    fSide(-1),
    fRod(-1),
    fBundle(-1),
    fBeam(-1),
    fX(0.),
    fY(0.),
    fZ(0.),
    fTime(0.),
    fPhi(0.),
    fTheta(0.),
    fMaxSize(0),
    fNpoints(0),
    fXarr(0x0),
    fYarr(0x0),
    fZarr(0x0)
{
  //
  // dummy
  //
  fPhi=param.fPhi;
}
//______________________________________________________________________
AliTPCLaserTracks & AliTPCLaserTracks::operator=(const AliTPCLaserTracks & param)
{
  //
  // assignment operator - dummy
  //
  fPhi=param.fPhi;
  return (*this);
}

//_______________________________________________________________________
Double_t AliTPCLaserTracks::FindBeamLength(TVector3 vF, TVector3 vP)
{
    //
    //  Find distance between mirror and the intersection between
    //  inner and outer field cage respectively
    //
    //  use the pq formula to find the intersection point between
    //  the beam and the inner and outer fieldcage cylinders
    //  The formulae solved are
    //
    //                        line = zylinder
    //  xPoint = vF.X() + n*vP.X() = r*cos(phi)
    //  yPoint = vF.Y() + n*vP.Y() = r*sin(phi)
    //  zPoint = vF.Y() + n*vP.Y()
    //
    //  get n from the first two equations, calculate x,y,zPoint
    //
    //  vF is the mirror position and vP the beam direction
    Double_t r[2];  //smalles r[0] and largest r[1] pad radius
    r[0] = 80.0;  //smalles pad radius
    r[1] = 260.0;   //largest pad radius

    Double_t fxpxfypy = vF.X()*vP.X()+vF.Y()*vP.Y();
    Double_t px2py2   = vP.X()*vP.X()+vP.Y()*vP.Y();

    for (Int_t i=0; i<2; i++){
	Double_t rad = (fxpxfypy/px2py2)*(fxpxfypy/px2py2)-
	              (vF.X()*vF.X()+vF.Y()*vF.Y()-r[i]*r[i])/px2py2;

	if ( rad >= 0 ){
	    Double_t n1   = -(fxpxfypy)/px2py2+TMath::Sqrt(rad);
	    TVector3 vI1(vF.X()+n1*vP.X(),
			 vF.Y()+n1*vP.Y(),
			 vF.Z()+n1*vP.Z());

	    Double_t n2   = -(fxpxfypy)/px2py2-TMath::Sqrt(rad);
	    TVector3 vI2(vF.X()+n2*vP.X(),
			 vF.Y()+n2*vP.Y(),
			 vF.Z()+n2*vP.Z());


	    //if we cross two boarders on our way return the closer boarder
            if ( n1>0 && n2>0 )
		if ( (vF-vI1).Mag() <= (vF-vI2).Mag() )
		    return (vF-vI1).Mag();
		else
		    return (vF-vI2).Mag();

	    if ( n1>0 )
		return (vF-vI1).Mag();

	    if ( n2>0 )
		return (vF-vI2).Mag();

	}
    }

    return 3.4e38;  //not found!!
}

//_______________________________________________________________________
void AliTPCLaserTracks::WriteTreeDesignData()
{
    //
    //   Write a tree with the design data of the laser track positions
    //

    TFile *f = TFile::Open("LaserTracksDesing.root","recreate");

    AliTPCLaserTracks *ltp = new AliTPCLaserTracks(2);

    TTree *t = new TTree("LaserTracks","LaserTracks");
    t->Branch("LaserTracks","AliTPCLaserTracks",&ltp);
    t->AutoSave();

    Double_t phiBeam[7]         = {-31.8,-16.,-9.2,2.5,9.2,16.,31.8};
    Double_t phiRod[6]          = {40.,100.,160.,220.,280.,340.};     //-20. for the muon side
//    Double_t zBundleCorse[2][4] = {{10,79,163,241},{13,85,169,247}};
    Double_t zBundleCorse[2][4] = {{241.,163.,79.,10.},{247.,169.,85.,13.}};
    Double_t zBeamFine[7]       = {1.45,1.3,1.15,1.3,1.15,1.3,1.45};

    Int_t id=0;
    //loop over TPC side -- 0:A (Shaft) side -- 1:C (Muon) side
    for (Int_t side=0; side<2; side++){
	//loop over laser rods -- counterclockwise
	for (Int_t rod=0; rod<6; rod++){
            //center of the rod
	    TVector2 vRod;

            Double_t phiRod2 = phiRod[rod]-side*20;
	    vRod.SetMagPhi(254.25,                   //center of the rod at 254.25cm
			   TMath::DegToRad()*
			   (phiRod2)  //-20 deg on C-Side
			  );

	    //loop over bundle -- counted from large z to small z
	    for (Int_t bundle=0; bundle<4; bundle++){
		//center of the bundle; not yet rotated
                Int_t bundleS = bundle;
		//		if ( side == 1 ) bundleS = 4-bundle;
		if ( side == 1 ) bundleS = 3-bundle;

		TVector2 vBundle;
		vBundle.SetMagPhi(.65,
				  TMath::DegToRad()*
				//?  TMath::Power(-1,side)*
				  (phiRod2+180.-90.*bundleS)
				 );

		//loop over beam
                Int_t i=0;
		for (Int_t beam=0; beam<7; beam++){
		    TVector2 vBeam;
		    if ( beam == 3 )
			vBeam.Set(0.,0.);
		    else{
			vBeam.SetMagPhi(1.,TMath::DegToRad()*(phiRod2+i*60));
                        i++;
		    }

		    TVector2 xyMirror = vRod+vBundle+vBeam;
		    Double_t zMirror   = (zBundleCorse[rod%2][bundleS]+zBeamFine[beam])*TMath::Power(-1,side);
                    TVector3 v3Mirror(xyMirror.X(),xyMirror.Y(),zMirror);

		    Double_t phi      = TMath::DegToRad()*(phiRod2+180+phiBeam[beam]*TMath::Power(-1,side));
                    Double_t theta    = TMath::DegToRad()*90;

		    TVector3 v3Beam;
		    v3Beam.SetMagThetaPhi(1,theta,phi);  //Direction Vector
                    v3Beam.SetMagThetaPhi(FindBeamLength(v3Mirror,v3Beam), theta, phi);


		    ltp->SetId(id);
		    ltp->SetSide(side);
		    ltp->SetRod(rod);
		    ltp->SetBundle(bundleS);
		    ltp->SetBeam(beam);

		    ltp->SetX(xyMirror.X());
		    ltp->SetY(xyMirror.Y());
		    ltp->SetZ(zMirror);

		    ltp->SetPhi(phi);
		    ltp->SetTheta(theta);

//		    ltp->InitPoints(2);
		    ltp->SetPoint(0,xyMirror.X(),xyMirror.Y(),zMirror);
		    ltp->SetPoint(1,xyMirror.X()+v3Beam.X(),xyMirror.Y()+v3Beam.Y(),zMirror+v3Beam.Z());

		    cout<< "Id: " << id
			<< "  Side: " << side
			<< "  Rod: " << rod
			<< "  Bundle: " << bundleS
			<< "  Beam: " << beam
			<< endl;


		    t->Fill();
                    //delete line;
                    id++;
//		    cout << "Filled!!!" << endl;
		}
	    }
	}
    }

    t->Write();
    delete f;
//    delete t;
//    delete ltp;
//    delete line;
}

//_______________________________________________________________________
TPolyLine3D* AliTPCLaserTracks::GetLine()
{
  //
  // Make a polilyne object oout of the points
  //
   if ( fNpoints ) return new TPolyLine3D(fNpoints,fXarr,fYarr,fZarr);

    return 0x0;
}

//_______________________________________________________________________
TObjArray* AliTPCLaserTracks::GetLines(Char_t* file, Char_t *cuts)
{
  //
  // Read the input files with the laser track 
  // Make a array of polylines for visualization
  
    TObjArray *array = new TObjArray;

    TFile *f = TFile::Open(file,"read");
    TTree *tree = (TTree*)f->Get("LaserTracks");

    AliTPCLaserTracks *ltp = new AliTPCLaserTracks();
//    TEventList *evList = new TEventList("evList");
    TEventList evList("evList");

    tree->SetBranchAddress("LaserTracks",&ltp);

    tree->Draw(">>evList",cuts,"goff");

//    cout << "N: " << evList.GetN() << endl;
    gROOT->cd();
    for (Int_t ev = 0; ev < evList.GetN(); ev++){
//        cout << ev << endl;
	tree->GetEntry( evList.GetEntry(ev) );
        array->Add(ltp->GetLine());
    }
//    cout << "delte f"<< endl;
//    delete f;

//    cout << "evlist" << endl;

    return array;
}

//_______________________________________________________________________
void AliTPCLaserTracks::InitPoints()
{
    //
    //  Init point arrays
    //

    fMaxSize = fNpoints;
    fXarr = new Double_t[fMaxSize];
    fYarr = new Double_t[fMaxSize];
    fZarr = new Double_t[fMaxSize];
}

//_______________________________________________________________________
Int_t AliTPCLaserTracks::SetPoint(Int_t point, Double_t x, Double_t y, Double_t z)
{
    //
    // Set point to point arrays
    //

    if ( !fXarr || !fYarr || !fZarr ) return 1;
    if ( point > fNpoints-1 ) return 1;

    fXarr[point] = x;
    fYarr[point] = y;
    fZarr[point] = z;
    return 0;
}

//_______________________________________________________________________
Int_t AliTPCLaserTracks::FindMirror(Char_t *file, Double_t x, Double_t y, Double_t z, Double_t phi)
{
    //
    //  return the id of the mirror in 'file' that maches best the given parameters
    //

    TFile *f = TFile::Open(file,"read");
    TTree *tree = (TTree*)f->Get("LaserTracks");

    AliTPCLaserTracks *ltp = new AliTPCLaserTracks();
    TEventList evList("evList");

    tree->SetBranchAddress("LaserTracks",&ltp);

    TString s;
    s = "abs(fX-"; s+= x;
    s+= ")<3&&abs(fY-"; s+=y;
    s+= ")<3&&abs(fZ-"; s+= z;
    s+= ")<1.5";
//    s+= "&&((abs(fPhi-";s+= phi;
//    s+= ")<.06)||(abs(fPhi-";s+= (phi-TMath::DegToRad()*180);
//    s+= ")<.06))";
    cout << s.Data() << endl;

    tree->Draw(">>evList",s.Data());

    Double_t dphiMin=TMath::Pi();
    Int_t id=-1;

    cout << "nev: " << evList.GetN() << endl;
    for (Int_t i=0; i<evList.GetN(); i++){
	tree->GetEntry( evList.GetEntry(i) );
	Double_t dphi = TMath::Abs(ltp->GetPhi() - phi);
	if ( dphi > TMath::DegToRad()*180 ) dphi-=TMath::DegToRad()*180;
	if ( dphi<dphiMin ) {
            dphiMin = dphi;
	    id = ltp->GetId();
	}
    }

    return id;
    delete f;
}

//_______________________________________________________________________
AliTPCLaserTracks::~AliTPCLaserTracks()
{
    //
    //  standard destructor
    //

//    if ( fP ) delete fP;
    if ( fXarr ) delete [] fXarr;
    if ( fYarr ) delete [] fYarr;
    if ( fZarr ) delete [] fZarr;
}
Commit	Line	Data
1e9e3c7c	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
	16
	17	///////////////////////////////////////////////////////////////////////////////
	18	// //
	19	// This class is a container class for the laser beam positions of //
	20	// the TPC laser system (ALICE-INT-2002-022 v.1 ). //
	21	// The system consits of 6 Laser Rods, each contains four mirror bundels //
	22	// on each side of the TPC. Each bundle has seven mirrors. //
	23	// //
	24	// The TPC side 0 corresponds to the "Shaft Side (A)", side 1 corresponds //
	25	// to the "Muon Side (C)".
	26	// The laser rods are counted counter clockwise starting with the one //
	27	// with the smalles phi angle. //
	28	// The mirror bundles in one rod for each side are counted starting from //
	29	// form the greatest z value to the smalles. //
	30	// The beams in each bundel are counted counter clockwise. Having all beams //
	31	// pointing downward, the first beam will be the leftmost. //
	32	// //
	33	///////////////////////////////////////////////////////////////////////////////
	34
	35	/*
	36	Create File with design positions
	37
	38	.L AliTPCLaserTrack.cxx+
	39	AliTPCLaserTracks ltracks
	40	ltracks.WriteTreeDesignData()
	41	TFile f("LaserTracksDesing.root");
	42	TTree * tree =(TTree*)f.Get("LaserTracks");
	43
	44	*/
	45
11c5d692	46	#include <Riostream.h>
1e9e3c7c	47	#include <TString.h>
	48	#include <TPolyLine3D.h>
	49	#include <TMath.h>
	50	#include <TTree.h>
	51	#include <TFile.h>
	52	#include <TEventList.h>
	53	#include <TVector2.h>
	54	#include <TVector3.h>
	55	#include <TROOT.h>
	56
	57	#include <TGraph.h>
	58
	59
	60	#include "AliTPCLaserTracks.h"
	61
	62	////////////////////////////////////////////////////////////////////////
	63	// Class AliTPCLaserTracks
	64	////////////////////////////////////////////////////////////////////////
	65
	66	ClassImp(AliTPCLaserTracks)
	67
e046d791	68	AliTPCLaserTracks::AliTPCLaserTracks():TObject(),
1e9e3c7c	69	fId(-1),
	70	fSide(-1),
	71	fRod(-1),
	72	fBundle(-1),
	73	fBeam(-1),
e046d791	74	fX(0.),
	75	fY(0.),
	76	fZ(0.),
	77	fTime(0.),
	78	fPhi(0.),
	79	fTheta(0.),
1e9e3c7c	80	fMaxSize(0),
	81	fNpoints(0),
	82	fXarr(0x0),
	83	fYarr(0x0),
	84	fZarr(0x0)
	85
	86	{
	87	//
	88	// AliTPCLaserTracks default constructor
	89	//
	90	}
	91
	92	//_______________________________________________________________________
e046d791	93	AliTPCLaserTracks::AliTPCLaserTracks(Int_t npoints):TObject(),
1e9e3c7c	94	fId(-1),
	95	fSide(-1),
	96	fRod(-1),
	97	fBundle(-1),
	98	fBeam(-1),
e046d791	99	fX(0.),
	100	fY(0.),
	101	fZ(0.),
	102	fTime(0.),
	103	fPhi(0.),
	104	fTheta(0.),
1e9e3c7c	105	fMaxSize(0),
	106	fNpoints(0),
	107	fXarr(0x0),
	108	fYarr(0x0),
	109	fZarr(0x0)
	110
	111	{
	112	//
	113	// AliTPCLaserTracks constructor to initialise array of points
	114	//
	115	fNpoints = npoints;
	116	InitPoints();
	117	}
e046d791	118	//______________________________________________________________________
	119	AliTPCLaserTracks::AliTPCLaserTracks(const AliTPCLaserTracks &param):TObject(),
	120	fId(-1),
	121	fSide(-1),
	122	fRod(-1),
	123	fBundle(-1),
	124	fBeam(-1),
	125	fX(0.),
	126	fY(0.),
	127	fZ(0.),
	128	fTime(0.),
	129	fPhi(0.),
	130	fTheta(0.),
	131	fMaxSize(0),
	132	fNpoints(0),
	133	fXarr(0x0),
	134	fYarr(0x0),
	135	fZarr(0x0)
	136	{
	137	//
	138	// dummy
	139	//
	140	fPhi=param.fPhi;
	141	}
	142	//______________________________________________________________________
	143	AliTPCLaserTracks & AliTPCLaserTracks::operator=(const AliTPCLaserTracks & param)
	144	{
	145	//
	146	// assignment operator - dummy
	147	//
	148	fPhi=param.fPhi;
	149	return (*this);
	150	}
1e9e3c7c	151
	152	//_______________________________________________________________________
	153	Double_t AliTPCLaserTracks::FindBeamLength(TVector3 vF, TVector3 vP)
	154	{
	155	//
	156	// Find distance between mirror and the intersection between
	157	// inner and outer field cage respectively
	158	//
	159	// use the pq formula to find the intersection point between
	160	// the beam and the inner and outer fieldcage cylinders
	161	// The formulae solved are
	162	//
	163	// line = zylinder
	164	// xPoint = vF.X() + nvP.X() = rcos(phi)
	165	// yPoint = vF.Y() + nvP.Y() = rsin(phi)
	166	// zPoint = vF.Y() + n*vP.Y()
	167	//
	168	// get n from the first two equations, calculate x,y,zPoint
	169	//
	170	// vF is the mirror position and vP the beam direction
	171	Double_t r[2]; //smalles r[0] and largest r[1] pad radius
	172	r[0] = 80.0; //smalles pad radius
	173	r[1] = 260.0; //largest pad radius
	174
	175	Double_t fxpxfypy = vF.X()vP.X()+vF.Y()vP.Y();
	176	Double_t px2py2 = vP.X()vP.X()+vP.Y()vP.Y();
	177
	178	for (Int_t i=0; i<2; i++){
	179	Double_t rad = (fxpxfypy/px2py2)*(fxpxfypy/px2py2)-
	180	(vF.X()vF.X()+vF.Y()vF.Y()-r[i]*r[i])/px2py2;
	181
	182	if ( rad >= 0 ){
	183	Double_t n1 = -(fxpxfypy)/px2py2+TMath::Sqrt(rad);
	184	TVector3 vI1(vF.X()+n1*vP.X(),
	185	vF.Y()+n1*vP.Y(),
	186	vF.Z()+n1*vP.Z());
	187
	188	Double_t n2 = -(fxpxfypy)/px2py2-TMath::Sqrt(rad);
	189	TVector3 vI2(vF.X()+n2*vP.X(),
	190	vF.Y()+n2*vP.Y(),
	191	vF.Z()+n2*vP.Z());
	192
	193
	194	//if we cross two boarders on our way return the closer boarder
	195	if ( n1>0 && n2>0 )
	196	if ( (vF-vI1).Mag() <= (vF-vI2).Mag() )
	197	return (vF-vI1).Mag();
	198	else
	199	return (vF-vI2).Mag();
	200
	201	if ( n1>0 )
	202	return (vF-vI1).Mag();
	203
	204	if ( n2>0 )
	205	return (vF-vI2).Mag();
	206
	207	}
	208	}
	209
	210	return 3.4e38; //not found!!
	211	}
	212
	213	//_______________________________________________________________________
	214	void AliTPCLaserTracks::WriteTreeDesignData()
215	{
216	//
217	// Write a tree with the design data of the laser track positions
218	//
219
220	TFile *f = TFile::Open("LaserTracksDesing.root","recreate");
221
222	AliTPCLaserTracks *ltp = new AliTPCLaserTracks(2);
223
224	TTree *t = new TTree("LaserTracks","LaserTracks");
225	t->Branch("LaserTracks","AliTPCLaserTracks",&ltp);
226	t->AutoSave();
227
228	Double_t phiBeam[7] = {-31.8,-16.,-9.2,2.5,9.2,16.,31.8};
229	Double_t phiRod[6] = {40.,100.,160.,220.,280.,340.}; //-20. for the muon side
230	// Double_t zBundleCorse[2][4] = {{10,79,163,241},{13,85,169,247}};
231	Double_t zBundleCorse[2][4] = {{241.,163.,79.,10.},{247.,169.,85.,13.}};
232	Double_t zBeamFine[7] = {1.45,1.3,1.15,1.3,1.15,1.3,1.45};
233
234	Int_t id=0;
235	//loop over TPC side -- 0:A (Shaft) side -- 1:C (Muon) side
236	for (Int_t side=0; side<2; side++){
237	//loop over laser rods -- counterclockwise
238	for (Int_t rod=0; rod<6; rod++){
239	//center of the rod
240	TVector2 vRod;
241
242	Double_t phiRod2 = phiRod[rod]-side*20;
243	vRod.SetMagPhi(254.25, //center of the rod at 254.25cm
244	TMath::DegToRad()*
245	(phiRod2) //-20 deg on C-Side
246	);
247
248	//loop over bundle -- counted from large z to small z
249	for (Int_t bundle=0; bundle<4; bundle++){
250	//center of the bundle; not yet rotated
251	Int_t bundleS = bundle;
252	// if ( side == 1 ) bundleS = 4-bundle;
253	if ( side == 1 ) bundleS = 3-bundle;
254
255	TVector2 vBundle;
256	vBundle.SetMagPhi(.65,
257	TMath::DegToRad()*
258	//? TMath::Power(-1,side)*
259	(phiRod2+180.-90.*bundleS)
260	);
261
262	//loop over beam
263	Int_t i=0;
264	for (Int_t beam=0; beam<7; beam++){
265	TVector2 vBeam;
266	if ( beam == 3 )
267	vBeam.Set(0.,0.);
268	else{
269	vBeam.SetMagPhi(1.,TMath::DegToRad()(phiRod2+i60));
270	i++;
271	}
272
273	TVector2 xyMirror = vRod+vBundle+vBeam;
274	Double_t zMirror = (zBundleCorse[rod%2][bundleS]+zBeamFine[beam])*TMath::Power(-1,side);
275	TVector3 v3Mirror(xyMirror.X(),xyMirror.Y(),zMirror);
276
277	Double_t phi = TMath::DegToRad()(phiRod2+180+phiBeam[beam]TMath::Power(-1,side));
278	Double_t theta = TMath::DegToRad()*90;
279
280	TVector3 v3Beam;
281	v3Beam.SetMagThetaPhi(1,theta,phi); //Direction Vector
282	v3Beam.SetMagThetaPhi(FindBeamLength(v3Mirror,v3Beam), theta, phi);
283
284
285
286	ltp->SetId(id);
287	ltp->SetSide(side);
288	ltp->SetRod(rod);
289	ltp->SetBundle(bundleS);
290	ltp->SetBeam(beam);
291
292	ltp->SetX(xyMirror.X());
293	ltp->SetY(xyMirror.Y());
294	ltp->SetZ(zMirror);
295
296	ltp->SetPhi(phi);
297	ltp->SetTheta(theta);
298
299	// ltp->InitPoints(2);
300	ltp->SetPoint(0,xyMirror.X(),xyMirror.Y(),zMirror);
301	ltp->SetPoint(1,xyMirror.X()+v3Beam.X(),xyMirror.Y()+v3Beam.Y(),zMirror+v3Beam.Z());
302
303	cout<< "Id: " << id
304	<< " Side: " << side
305	<< " Rod: " << rod
306	<< " Bundle: " << bundleS
307	<< " Beam: " << beam
308	<< endl;
309
310
311	t->Fill();
312	//delete line;
313	id++;
314	// cout << "Filled!!!" << endl;
315	}
316	}
317	}
318	}
319
320	t->Write();
321	delete f;
322	// delete t;
323	// delete ltp;
324	// delete line;
325	}
326
327	//_______________________________________________________________________
328	TPolyLine3D* AliTPCLaserTracks::GetLine()
329	{
e19f5a2d	330	//
	331	// Make a polilyne object oout of the points
	332	//
1e9e3c7c	333	if ( fNpoints ) return new TPolyLine3D(fNpoints,fXarr,fYarr,fZarr);
	334
	335	return 0x0;
	336	}
	337
	338	//_______________________________________________________________________
	339	TObjArray* AliTPCLaserTracks::GetLines(Char_t* file, Char_t *cuts)
	340	{
e19f5a2d	341	//
	342	// Read the input files with the laser track
	343	// Make a array of polylines for visualization
	344
1e9e3c7c	345	TObjArray *array = new TObjArray;
	346
	347	TFile *f = TFile::Open(file,"read");
	348	TTree tree = (TTree)f->Get("LaserTracks");
	349
	350	AliTPCLaserTracks *ltp = new AliTPCLaserTracks();
	351	// TEventList *evList = new TEventList("evList");
	352	TEventList evList("evList");
	353
	354	tree->SetBranchAddress("LaserTracks",&ltp);
	355
	356	tree->Draw(">>evList",cuts,"goff");
	357
	358	// cout << "N: " << evList.GetN() << endl;
	359	gROOT->cd();
	360	for (Int_t ev = 0; ev < evList.GetN(); ev++){
	361	// cout << ev << endl;
	362	tree->GetEntry( evList.GetEntry(ev) );
	363	array->Add(ltp->GetLine());
	364	}
	365	// cout << "delte f"<< endl;
	366	// delete f;
	367
	368	// cout << "evlist" << endl;
	369
	370	return array;
	371	}
	372
	373	//_______________________________________________________________________
	374	void AliTPCLaserTracks::InitPoints()
	375	{
	376	//
	377	// Init point arrays
	378	//
	379
	380	fMaxSize = fNpoints;
	381	fXarr = new Double_t[fMaxSize];
	382	fYarr = new Double_t[fMaxSize];
	383	fZarr = new Double_t[fMaxSize];
	384	}
	385
	386	//_______________________________________________________________________
	387	Int_t AliTPCLaserTracks::SetPoint(Int_t point, Double_t x, Double_t y, Double_t z)
	388	{
	389	//
	390	// Set point to point arrays
	391	//
	392
	393	if ( !fXarr \|\| !fYarr \|\| !fZarr ) return 1;
	394	if ( point > fNpoints-1 ) return 1;
	395
	396	fXarr[point] = x;
	397	fYarr[point] = y;
	398	fZarr[point] = z;
	399	return 0;
	400	}
	401
	402	//_______________________________________________________________________
	403	Int_t AliTPCLaserTracks::FindMirror(Char_t *file, Double_t x, Double_t y, Double_t z, Double_t phi)
	404	{
	405	//
	406	// return the id of the mirror in 'file' that maches best the given parameters
	407	//
	408
409	TFile *f = TFile::Open(file,"read");
410	TTree tree = (TTree)f->Get("LaserTracks");
411
412	AliTPCLaserTracks *ltp = new AliTPCLaserTracks();
413	TEventList evList("evList");
414
415	tree->SetBranchAddress("LaserTracks",&ltp);
416
417	TString s;
418	s = "abs(fX-"; s+= x;
419	s+= ")<3&&abs(fY-"; s+=y;
420	s+= ")<3&&abs(fZ-"; s+= z;
421	s+= ")<1.5";
422	// s+= "&&((abs(fPhi-";s+= phi;
423	// s+= ")<.06)\|\|(abs(fPhi-";s+= (phi-TMath::DegToRad()*180);
424	// s+= ")<.06))";
425	cout << s.Data() << endl;
426
427	tree->Draw(">>evList",s.Data());
428
429	Double_t dphiMin=TMath::Pi();
430	Int_t id=-1;
431
432	cout << "nev: " << evList.GetN() << endl;
433	for (Int_t i=0; i<evList.GetN(); i++){
434	tree->GetEntry( evList.GetEntry(i) );
435	Double_t dphi = TMath::Abs(ltp->GetPhi() - phi);
436	if ( dphi > TMath::DegToRad()180 ) dphi-=TMath::DegToRad()180;
437	if ( dphi<dphiMin ) {
438	dphiMin = dphi;
439	id = ltp->GetId();
440	}
441	}
442
443	return id;
444	delete f;
445	}
446
447	//_______________________________________________________________________
448	AliTPCLaserTracks::~AliTPCLaserTracks()
449	{
450	//
451	// standard destructor
452	//
453
454	// if ( fP ) delete fP;
e19f5a2d	455	if ( fXarr ) delete [] fXarr;
	456	if ( fYarr ) delete [] fYarr;
	457	if ( fZarr ) delete [] fZarr;
1e9e3c7c	458	}