[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.                  *
 **************************************************************************/

/* $Id$ */

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


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

AliTPCParamCR::AliTPCParamCR()
              :AliTPCParam(),
	       fInnerPRF(0),
	       fOuter1PRF(0),
	       fOuter2PRF(0),
               fTimeRF(0),
	       fFacSigma(0.)
{   
  //
  //constructor set the default parameters

  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[3]={sector,padrow,0};
  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[3]={0,0,0};
  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
88cb7938	16	/* $Id$ */
cc80f89e	17
	18	///////////////////////////////////////////////////////////////////////
	19	// Manager and of geomety classes for set: TPC //
	20	// //
	21	// !sectors are numbered from 0 //
	22	// !pad rows are numbered from 0 //
	23	//
	24	// 27.7. - AliTPCPaaramSr object for TPC
	25	// TPC with straight pad rows
	26	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	27	// //
	28	///////////////////////////////////////////////////////////////////////
	29
	30
19364939	31	#include <Riostream.h>
cc80f89e	32	#include <TMath.h>
2ab0c725	33	#include <TClass.h>
cc80f89e	34	#include <AliTPCParamCR.h>
73042f01	35	#include "AliTPCPRF2D.h"
73042f01	36	#include "AliTPCRF1D.h"
cc80f89e	37
	38
	39
	40	ClassImp(AliTPCParamCR)
176aff27	41	static const Int_t kMaxRows=600;
176aff27	42	static const Float_t kEdgeSectorSpace = 2.5;
cc80f89e	43
cc80f89e	44	AliTPCParamCR::AliTPCParamCR()
179c6296	45	:AliTPCParam(),
	46	fInnerPRF(0),
	47	fOuter1PRF(0),
	48	fOuter2PRF(0),
	49	fTimeRF(0),
	50	fFacSigma(0.)
cc80f89e	51	{
	52	//
	53	//constructor set the default parameters
179c6296	54
cc80f89e	55	fFacSigma = Float_t(2.);
	56	SetDefault();
	57	Update();
	58	}
04420071	59
cc80f89e	60	AliTPCParamCR::~AliTPCParamCR()
	61	{
	62	//
	63	//destructor destroy some dynmicaly alocated variables
	64	if (fInnerPRF != 0) delete fInnerPRF;
f03e3423	65	if (fOuter1PRF != 0) delete fOuter1PRF;
f03e3423	66	if (fOuter2PRF != 0) delete fOuter2PRF;
cc80f89e	67	if (fTimeRF != 0) delete fTimeRF;
	68	}
	69
	70	void AliTPCParamCR::SetDefault()
	71	{
	72	//set default TPC param
	73	fbStatus = kFALSE;
	74	AliTPCParam::SetDefault();
	75	}
	76
176aff27	77	Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t /dummy/)
cc80f89e	78	{
	79	//
	80	//calculate bin response as function of the input position -x
	81	//return number of valid response bin
	82	//
	83	//we suppose that coordinata is expressed in float digits
	84	// it's mean coordinate system 8
	85	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
f03e3423	86	if ( (fInnerPRF==0)\|\|(fOuter1PRF==0) \|\|(fOuter2PRF==0)\|\|(fTimeRF==0) ){
cc80f89e	87	Error("AliTPCParamCR", "response function were not adjusted");
	88	return -1;
	89	}
	90
	91	Float_t sfpadrow; // sigma of response function
	92	Float_t sfpad; // sigma of
	93	Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	94	if (index[1]<fNInnerSector){
	95	sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	96	sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
	97	}else{
f03e3423	98	if(index[2]<fNRowUp1){
	99	sfpadrow =fFacSigma*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength;
	100	sfpad =fFacSigma*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;}
	101	else{ sfpadrow =fFacSigma*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength;
	102	sfpad =fFacSigma*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;}
cc80f89e	103	}
	104
	105	Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow
	106	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
	107	Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time
	108	Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	109	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
	110	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time
	111
	112	Float_t padres[20][20]; //I don't expect bigger number of bins
	113	Float_t timeres[20];
	114	//calculate padresponse function
	115	Int_t padrow;
	116	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	117	for (Int_t pad = fpad;pad<=lpad;pad++){
	118	Float_t dy = (xyz[0]-Float_t(padrow));
	119	Float_t dx = (xyz[1]-Float_t(pad));
	120	if (index[1]<fNInnerSector)
	121	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
f03e3423	122	else{
	123	if(index[2]<fNRowUp1){
	124	padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter1PadPitchLength);}
	125	else{ padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dxfOuterPadPitchWidth,dyfOuter2PadPitchLength);}}}
	126
cc80f89e	127	//calculate time response function
	128
	129	Int_t time;
	130	for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth);
	131
	132	//write over threshold values to stack
	133	Int_t cindex3=-1;
	134	Int_t cindex=0;
	135	Float_t cweight = 0;
	136	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	137	for (Int_t pad = fpad;pad<=lpad;pad++)
	138	for (time = ftime;time<=ltime;time++){
	139	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	140	if (cweight>fResponseThreshold) {
	141	fResponseBin[++cindex3]=padrow;
	142	fResponseBin[++cindex3]=pad;
	143	fResponseBin[++cindex3]=time;
	144	fResponseWeight[++cindex]=cweight;
	145	}
	146	}
	147	fCurrentMax=cindex;
	148	return fCurrentMax;
	149	}
	150
	151	void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz,
	152	const Int_t &sector, const Int_t & padrow, Int_t option) const
	153	{
	154	//transform relative coordinates to absolute
	155	Bool_t rel = ( (option&2)!=0);
f99d7d41	156	Int_t index[3]={sector,padrow,0};
cc80f89e	157	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
	158	Transform2to1(xyz,index);
	159	}
	160
	161	void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz,
	162	Int_t &sector, Int_t & padrow, Int_t option) const
	163	{
	164	//transform global position to the position relative to the sector padrow
	165	//if option=0 X calculate absolute calculate sector
	166	//if option=1 X absolute use input sector
	167	//if option=2 X relative to pad row calculate sector
	168	//if option=3 X relative use input sector
	169	//!!!!!!!!! WE start to calculate rows from row = 0
f99d7d41	170	Int_t index[3]={0,0,0};
cc80f89e	171	Bool_t rel = ( (option&2)!=0);
	172
	173	//option 0 and 2 means that we don't have information about sector
	174	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
	175	else
	176	index[0]=sector;
	177	Transform1to2(xyz,index);
	178	Transform2to3(xyz,index);
	179	//if we store relative position calculate position relative to pad row
	180	if (rel==kTRUE) Transform3to4(xyz,index);
	181	sector = index[0];
	182	padrow = index[1];
	183	}
	184
	185
	186
	187	Bool_t AliTPCParamCR::Update()
	188	{
cc80f89e	189	Int_t i;
	190	if (AliTPCParam::Update()==kFALSE) return kFALSE;
	191	fbStatus = kFALSE;
	192
f03e3423	193	Float_t firstrow = fInnerRadiusLow + 2.225 ;
	194	for( i= 0;i<fNRowLow;i++)
	195	{
	196	Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;
	197	fPadRowLow[i]=x;
	198	// number of pads per row
	199	/Float_t y = (x-0.5fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount-
	200	fInnerPadPitchWidth/2.;*/
	201	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
	202	fYInner[i]=y;
	203	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
cc80f89e	204
f03e3423	205	}
	206	firstrow = fOuterRadiusLow + 1.6;
	207	for(i=0;i<fNRowUp;i++)
	208	{
	209	if(i<fNRowUp1){
	210	Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i;
	211	fPadRowUp[i]=x;
	212	/Float_t y =(x-0.5fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	213	fOuterPadPitchWidth/2.;*/
	214	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
cc80f89e	215	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
f03e3423	216	fYOuter[i] = y;
	217	if(i==fNRowUp1-1) {
	218	fLastWireUp1=fPadRowUp[i] +0.375;
	219	firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
	220	}
	221	}
	222	else
	223	{
	224	Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
	225	/Float_t y =(x-0.5fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount-
	226	fOuterPadPitchWidth/2.;*/
	227	Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount;
	228	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
	229	fYOuter[i] = y;
	230	}
	231	}
	232
cc80f89e	233	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
c11cb93f	234	fbStatus = kTRUE;
cc80f89e	235	return kTRUE;
	236	}
	237
	238
	239
	240	void AliTPCParamCR::Streamer(TBuffer &R__b)
	241	{
	242	// Stream an object of class AliTPC.
	243
	244	if (R__b.IsReading()) {
2ab0c725	245	AliTPCParamCR::Class()->ReadBuffer(R__b, this);
2ab0c725	246	Update();
cc80f89e	247	} else {
2ab0c725	248	AliTPCParamCR::Class()->WriteBuffer(R__b, this);
cc80f89e	249	}
	250	}
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