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

/*
$Log$
Revision 1.5  2001/01/26 19:57:22  hristov
Major upgrade of AliRoot code

Revision 1.4  2000/11/02 07:33:15  kowal2
Improvements of the code.

Revision 1.3  2000/06/30 12:07:50  kowal2
Updated from the TPC-PreRelease branch

Revision 1.2.4.1  2000/06/14 16:48:24  kowal2
Parameter setting improved. Removed compiler warnings

Revision 1.2  2000/04/17 09:37:33  kowal2
removed obsolete AliTPCDigitsDisplay.C

Revision 1.1.4.2  2000/04/10 11:36:13  kowal2

New Detector parameters handling class

*/

///////////////////////////////////////////////////////////////////////
//  Manager and of geomety  classes for set: TPC                     //
//                                                                   //
//  !sectors are numbered from  0                                     //
//  !pad rows are numbered from 0                                     //
//  
//  27.7.   - AliTPCPaaramSr object for TPC 
//            TPC with straight pad rows 
//  Origin:  Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // 
//                                                                   //  
///////////////////////////////////////////////////////////////////////


#include <iostream.h>
#include <TMath.h>
#include <TClass.h>
#include <AliTPCParamCR.h>
#include "AliTPCPRF2D.h"
#include "AliTPCRF1D.h"


ClassImp(AliTPCParamCR)
const static  Int_t kMaxRows=600;
const static  Float_t  kEdgeSectorSpace = 2.5;

AliTPCParamCR::AliTPCParamCR()
{   
  //
  //constructor set the default parameters
  fInnerPRF=0;
  fOuter1PRF=0;
  fOuter2PRF=0;
  fTimeRF = 0;
  fFacSigma = Float_t(2.);
  SetDefault();
  Update();
}

AliTPCParamCR::~AliTPCParamCR()
{
  //
  //destructor destroy some dynmicaly alocated variables
  if (fInnerPRF != 0) delete fInnerPRF;
  if (fOuter1PRF != 0) delete fOuter1PRF;
  if (fOuter2PRF != 0) delete fOuter2PRF;
  if (fTimeRF != 0) delete fTimeRF;
}

void AliTPCParamCR::SetDefault()
{
  //set default TPC param   
  fbStatus = kFALSE;
  AliTPCParam::SetDefault();  
}  

Int_t  AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy)
{
  //
  //calculate bin response as function of the input position -x 
  //return number of valid response bin
  //
  //we suppose that coordinata is expressed in float digits 
  // it's mean coordinate system 8
  //xyz[0] - float padrow xyz[1] is float pad  (center pad is number 0) and xyz[2] is float time bin
  if ( (fInnerPRF==0)||(fOuter1PRF==0) ||(fOuter2PRF==0)||(fTimeRF==0) ){ 
    Error("AliTPCParamCR", "response function were not adjusted");
    return -1;
  }
  
  Float_t sfpadrow;   // sigma of response function
  Float_t sfpad;      // sigma  of 
  Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth;     //3 sigma of time response
  if (index[1]<fNInnerSector){
    sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
    sfpad    =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
  }else{
    if(index[2]<fNRowUp1){
      sfpadrow =fFacSigma*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
      sfpad    =fFacSigma*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
    else{ sfpadrow =fFacSigma*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
    sfpad    =fFacSigma*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;}
  }

  Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow);  //"first" padrow
  Int_t fpad    = TMath::Nint(xyz[1]-sfpad);     //first pad
  Int_t ftime   = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime);    // first time
  Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19);  //"last" padrow
  Int_t lpad    = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19);     //last pad
  Int_t ltime   = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19);    // last time
   
  Float_t  padres[20][20];  //I don't expect bigger number of bins
  Float_t  timeres[20];     
  //calculate padresponse function 
  Int_t padrow; 
  for (padrow = fpadrow;padrow<=lpadrow;padrow++)
    for (Int_t pad = fpad;pad<=lpad;pad++){
      Float_t dy = (xyz[0]-Float_t(padrow));
      Float_t dx = (xyz[1]-Float_t(pad));
      if (index[1]<fNInnerSector)
	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength);
      else{
	if(index[2]<fNRowUp1){
	  padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter1PadPitchLength);}
	else{ padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter2PadPitchLength);}}}     
    
  //calculate time response function

  Int_t time;
  for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth); 
    
  //write over threshold values to stack
  Int_t cindex3=-1;
  Int_t cindex=0;
  Float_t cweight = 0;
  for (padrow = fpadrow;padrow<=lpadrow;padrow++)
    for (Int_t pad = fpad;pad<=lpad;pad++)
      for (time = ftime;time<=ltime;time++){
	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	if (cweight>fResponseThreshold) {
	  fResponseBin[++cindex3]=padrow;
	  fResponseBin[++cindex3]=pad;
	  fResponseBin[++cindex3]=time;
	  fResponseWeight[++cindex]=cweight;
	}
      }
  fCurrentMax=cindex;	
  return fCurrentMax;
}

void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz,
	       const Int_t &sector, const Int_t & padrow, Int_t option) const  
{  
  //transform relative coordinates to absolute
  Bool_t rel = ( (option&2)!=0);
  Int_t index[2]={sector,padrow};
  if (rel==kTRUE)      Transform4to3(xyz,index);//if the position is relative to pad row  
  Transform2to1(xyz,index);
}

void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz,
			     Int_t &sector, Int_t & padrow, Int_t option) const
{
   //transform global position to the position relative to the sector padrow
  //if option=0  X calculate absolute            calculate sector
  //if option=1  X           absolute            use input sector
  //if option=2  X           relative to pad row calculate sector
  //if option=3  X           relative            use input sector
  //!!!!!!!!! WE start to calculate rows from row = 0
  Int_t index[2];
  Bool_t rel = ( (option&2)!=0);  

  //option 0 and 2  means that we don't have information about sector
  if ((option&1)==0)   Transform0to1(xyz,index);  //we calculate sector number 
  else
    index[0]=sector;
  Transform1to2(xyz,index);
  Transform2to3(xyz,index);
  //if we store relative position calculate position relative to pad row
  if (rel==kTRUE) Transform3to4(xyz,index);
  sector = index[0];
  padrow = index[1];
}


Bool_t AliTPCParamCR::Update()
{
  Int_t i;
  if (AliTPCParam::Update()==kFALSE) return kFALSE;
  fbStatus = kFALSE;

 Float_t firstrow = fInnerRadiusLow + 2.225 ;   
 for( i= 0;i<fNRowLow;i++)
   {
     Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;  
     fPadRowLow[i]=x;
     // number of pads per row
/*Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount-
	fInnerPadPitchWidth/2.;*/
     Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
     fYInner[i]=y;
     fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;

   }
 firstrow = fOuterRadiusLow + 1.6;
 for(i=0;i<fNRowUp;i++)
   {
     if(i<fNRowUp1){
       Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i; 
       fPadRowUp[i]=x;
/*Float_t y =(x-0.5*fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
  fOuterPadPitchWidth/2.;*/
       Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
       fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
       fYOuter[i] = y;   
       if(i==fNRowUp1-1) {
           fLastWireUp1=fPadRowUp[i] +0.375;
           firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
       }
     }
     else
       {
	 Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
/*Float_t y =(x-0.5*fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
  fOuterPadPitchWidth/2.;*/
	 Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
         fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
	 fYOuter[i] = y;
       }
   }   
     
  fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp;
  fbStatus = kTRUE;
  return kTRUE;
}


void AliTPCParamCR::Streamer(TBuffer &R__b)
{
   // Stream an object of class AliTPC.

   if (R__b.IsReading()) {
      AliTPCParamCR::Class()->ReadBuffer(R__b, this);
      Update();
   } else {
      AliTPCParamCR::Class()->WriteBuffer(R__b, this);
   }
}
Commit	Line	Data
cc80f89e	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	$Log$
f03e3423	18	Revision 1.5 2001/01/26 19:57:22 hristov
	19	Major upgrade of AliRoot code
	20
2ab0c725	21	Revision 1.4 2000/11/02 07:33:15 kowal2
	22	Improvements of the code.
	23
c11cb93f	24	Revision 1.3 2000/06/30 12:07:50 kowal2
	25	Updated from the TPC-PreRelease branch
	26
73042f01	27	Revision 1.2.4.1 2000/06/14 16:48:24 kowal2
	28	Parameter setting improved. Removed compiler warnings
	29
	30	Revision 1.2 2000/04/17 09:37:33 kowal2
	31	removed obsolete AliTPCDigitsDisplay.C
	32
cc80f89e	33	Revision 1.1.4.2 2000/04/10 11:36:13 kowal2
	34
	35	New Detector parameters handling class
	36
	37	*/
	38
	39	///////////////////////////////////////////////////////////////////////
	40	// Manager and of geomety classes for set: TPC //
	41	// //
	42	// !sectors are numbered from 0 //
	43	// !pad rows are numbered from 0 //
	44	//
	45	// 27.7. - AliTPCPaaramSr object for TPC
	46	// TPC with straight pad rows
	47	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	48	// //
	49	///////////////////////////////////////////////////////////////////////
	50
	51
	52	#include <iostream.h>
	53	#include <TMath.h>
2ab0c725	54	#include <TClass.h>
cc80f89e	55	#include <AliTPCParamCR.h>
73042f01	56	#include "AliTPCPRF2D.h"
73042f01	57	#include "AliTPCRF1D.h"
cc80f89e	58
	59
	60
	61	ClassImp(AliTPCParamCR)
	62	const static Int_t kMaxRows=600;
	63	const static Float_t kEdgeSectorSpace = 2.5;
	64
	65	AliTPCParamCR::AliTPCParamCR()
	66	{
	67	//
	68	//constructor set the default parameters
	69	fInnerPRF=0;
f03e3423	70	fOuter1PRF=0;
f03e3423	71	fOuter2PRF=0;
cc80f89e	72	fTimeRF = 0;
	73	fFacSigma = Float_t(2.);
	74	SetDefault();
	75	Update();
	76	}
	77
	78	AliTPCParamCR::~AliTPCParamCR()
	79	{
	80	//
	81	//destructor destroy some dynmicaly alocated variables
	82	if (fInnerPRF != 0) delete fInnerPRF;
f03e3423	83	if (fOuter1PRF != 0) delete fOuter1PRF;
f03e3423	84	if (fOuter2PRF != 0) delete fOuter2PRF;
cc80f89e	85	if (fTimeRF != 0) delete fTimeRF;
	86	}
	87
	88	void AliTPCParamCR::SetDefault()
	89	{
	90	//set default TPC param
	91	fbStatus = kFALSE;
	92	AliTPCParam::SetDefault();
	93	}
	94
73042f01	95	Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy)
cc80f89e	96	{
	97	//
	98	//calculate bin response as function of the input position -x
	99	//return number of valid response bin
	100	//
	101	//we suppose that coordinata is expressed in float digits
	102	// it's mean coordinate system 8
	103	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
f03e3423	104	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0) \|\|(fOuter2PRF==0)\|\|(fTimeRF==0) ){
cc80f89e	105	Error("AliTPCParamCR", "response function were not adjusted");
	106	return -1;
	107	}
	108
	109	Float_t sfpadrow; // sigma of response function
	110	Float_t sfpad; // sigma of
	111	Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	112	if (index[1]<fNInnerSector){
	113	sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	114	sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
	115	}else{
f03e3423	116	if(index[2]<fNRowUp1){
	117	sfpadrow =fFacSigma*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
	118	sfpad =fFacSigma*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
	119	else{ sfpadrow =fFacSigma*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
	120	sfpad =fFacSigma*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;}
cc80f89e	121	}
	122
	123	Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow
	124	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
	125	Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time
	126	Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	127	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
	128	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time
	129
	130	Float_t padres[20][20]; //I don't expect bigger number of bins
	131	Float_t timeres[20];
	132	//calculate padresponse function
	133	Int_t padrow;
	134	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	135	for (Int_t pad = fpad;pad<=lpad;pad++){
	136	Float_t dy = (xyz[0]-Float_t(padrow));
	137	Float_t dx = (xyz[1]-Float_t(pad));
	138	if (index[1]<fNInnerSector)
	139	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
f03e3423	140	else{
	141	if(index[2]<fNRowUp1){
	142	padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter1PadPitchLength);}
	143	else{ padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter2PadPitchLength);}}}
	144
cc80f89e	145	//calculate time response function
	146
	147	Int_t time;
	148	for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth);
	149
	150	//write over threshold values to stack
	151	Int_t cindex3=-1;
	152	Int_t cindex=0;
	153	Float_t cweight = 0;
	154	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	155	for (Int_t pad = fpad;pad<=lpad;pad++)
	156	for (time = ftime;time<=ltime;time++){
	157	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	158	if (cweight>fResponseThreshold) {
	159	fResponseBin[++cindex3]=padrow;
	160	fResponseBin[++cindex3]=pad;
	161	fResponseBin[++cindex3]=time;
	162	fResponseWeight[++cindex]=cweight;
	163	}
	164	}
	165	fCurrentMax=cindex;
	166	return fCurrentMax;
	167	}
	168
	169	void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz,
	170	const Int_t &sector, const Int_t & padrow, Int_t option) const
	171	{
	172	//transform relative coordinates to absolute
	173	Bool_t rel = ( (option&2)!=0);
	174	Int_t index[2]={sector,padrow};
	175	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
	176	Transform2to1(xyz,index);
	177	}
	178
	179	void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz,
	180	Int_t &sector, Int_t & padrow, Int_t option) const
	181	{
	182	//transform global position to the position relative to the sector padrow
	183	//if option=0 X calculate absolute calculate sector
	184	//if option=1 X absolute use input sector
	185	//if option=2 X relative to pad row calculate sector
	186	//if option=3 X relative use input sector
	187	//!!!!!!!!! WE start to calculate rows from row = 0
	188	Int_t index[2];
	189	Bool_t rel = ( (option&2)!=0);
	190
	191	//option 0 and 2 means that we don't have information about sector
	192	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
	193	else
	194	index[0]=sector;
	195	Transform1to2(xyz,index);
	196	Transform2to3(xyz,index);
	197	//if we store relative position calculate position relative to pad row
	198	if (rel==kTRUE) Transform3to4(xyz,index);
	199	sector = index[0];
	200	padrow = index[1];
	201	}
	202
	203
	204
	205	Bool_t AliTPCParamCR::Update()
	206	{
cc80f89e	207	Int_t i;
	208	if (AliTPCParam::Update()==kFALSE) return kFALSE;
	209	fbStatus = kFALSE;
	210
f03e3423	211	Float_t firstrow = fInnerRadiusLow + 2.225 ;
	212	for( i= 0;i<fNRowLow;i++)
	213	{
	214	Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;
	215	fPadRowLow[i]=x;
	216	// number of pads per row
	217	/Float_t y = (x-0.5fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount-
	218	fInnerPadPitchWidth/2.;*/
	219	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
	220	fYInner[i]=y;
	221	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
cc80f89e	222
f03e3423	223	}
	224	firstrow = fOuterRadiusLow + 1.6;
	225	for(i=0;i<fNRowUp;i++)
	226	{
	227	if(i<fNRowUp1){
	228	Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i;
	229	fPadRowUp[i]=x;
	230	/Float_t y =(x-0.5fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	231	fOuterPadPitchWidth/2.;*/
	232	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
cc80f89e	233	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
f03e3423	234	fYOuter[i] = y;
	235	if(i==fNRowUp1-1) {
	236	fLastWireUp1=fPadRowUp[i] +0.375;
	237	firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
	238	}
	239	}
	240	else
	241	{
	242	Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
	243	/Float_t y =(x-0.5fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	244	fOuterPadPitchWidth/2.;*/
	245	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
	246	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
	247	fYOuter[i] = y;
	248	}
	249	}
	250
cc80f89e	251	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
c11cb93f	252	fbStatus = kTRUE;
cc80f89e	253	return kTRUE;
	254	}
	255
	256
	257
	258	void AliTPCParamCR::Streamer(TBuffer &R__b)
	259	{
	260	// Stream an object of class AliTPC.
	261
	262	if (R__b.IsReading()) {
2ab0c725	263	AliTPCParamCR::Class()->ReadBuffer(R__b, this);
2ab0c725	264	Update();
cc80f89e	265	} else {
2ab0c725	266	AliTPCParamCR::Class()->WriteBuffer(R__b, this);
cc80f89e	267	}
	268	}
	269
	270
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