[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 1.4  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;
  fOuterPRF=0;
  fTimeRF = 0;
  fFacSigma = Float_t(2.);
  SetDefault();
  Update();
}

AliTPCParamCR::~AliTPCParamCR()
{
  //
  //destructor destroy some dynmicaly alocated variables
  if (fInnerPRF != 0) delete fInnerPRF;
  if (fOuterPRF != 0) delete fOuterPRF;
  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)||(fOuterPRF==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{
    sfpadrow =fFacSigma*fOuterPRF->GetSigmaY()/fOuterPadPitchLength;
    sfpad    =fFacSigma*fOuterPRF->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
	padres[padrow-fpadrow][pad-fpad]=fOuterPRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuterPadPitchLength);      
    }
  //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()
{
  
  //
  // update some calculated parameter which must be updated after changing "base"
  // parameters 
  // for example we can change size of pads and according this recalculate number
  // of pad rows, number of of pads in given row ....
  Int_t i;
  if (AliTPCParam::Update()==kFALSE) return kFALSE;
  fbStatus = kFALSE;

  // adjust lower sectors pad row positions and pad numbers 
  fNRowLow   =  (Int_t(1.0001*(fRInnerLastWire-fRInnerFirstWire)/fInnerWWPitch)
	       -2*fInnerDummyWire)/fNInnerWiresPerPad;  
  if ( kMaxRows<fNRowLow) fNRowUp = kMaxRows;
  if (1>fNRowLow) return kFALSE;
  Float_t firstpad = fRInnerFirstWire+(fInnerDummyWire-0.5)*fInnerWWPitch
    +fInnerPadPitchLength/2.;
      
  for (i = 0;i<fNRowLow;i++) 
    {
       Float_t x  = firstpad +fInnerPadPitchLength*(Float_t)i;       
       Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerFrameSpace-
	            fInnerPadPitchWidth/2.;
       fPadRowLow[i] = x;
       fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
       }

  // adjust upper sectors pad row positions and pad numbers
  fNRowUp   = (Int_t((fROuterLastWire-fROuterFirstWire+0.001)/fOuterWWPitch)
	       -2*fOuterDummyWire)/fNOuterWiresPerPad; 
  if ( kMaxRows<fNRowUp) fNRowUp = kMaxRows;
  if (1>fNRowUp) return kFALSE;
  firstpad = fROuterFirstWire+(fOuterDummyWire-0.5)*fOuterWWPitch
    +fOuterPadPitchLength/2.;
 
  for (i = 0;i<fNRowUp;i++) 
    {
       Float_t x  = firstpad + fOuterPadPitchLength*(Float_t)i;      
       Float_t y = (x-0.5*fOuterPadPitchLength)*tan(fOuterAngle/2.)-fOuterFrameSpace-
	            fInnerPadPitchWidth/2.;
       fPadRowUp[i] = x;
       fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
    }
  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	$Log$
2ab0c725	18	Revision 1.4 2000/11/02 07:33:15 kowal2
	19	Improvements of the code.
	20
c11cb93f	21	Revision 1.3 2000/06/30 12:07:50 kowal2
	22	Updated from the TPC-PreRelease branch
	23
73042f01	24	Revision 1.2.4.1 2000/06/14 16:48:24 kowal2
	25	Parameter setting improved. Removed compiler warnings
	26
	27	Revision 1.2 2000/04/17 09:37:33 kowal2
	28	removed obsolete AliTPCDigitsDisplay.C
	29
cc80f89e	30	Revision 1.1.4.2 2000/04/10 11:36:13 kowal2
	31
	32	New Detector parameters handling class
	33
	34	*/
	35
	36	///////////////////////////////////////////////////////////////////////
	37	// Manager and of geomety classes for set: TPC //
	38	// //
	39	// !sectors are numbered from 0 //
	40	// !pad rows are numbered from 0 //
	41	//
	42	// 27.7. - AliTPCPaaramSr object for TPC
	43	// TPC with straight pad rows
	44	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	45	// //
	46	///////////////////////////////////////////////////////////////////////
	47
	48
	49	#include <iostream.h>
	50	#include <TMath.h>
2ab0c725	51	#include <TClass.h>
cc80f89e	52	#include <AliTPCParamCR.h>
73042f01	53	#include "AliTPCPRF2D.h"
73042f01	54	#include "AliTPCRF1D.h"
cc80f89e	55
	56
	57
	58	ClassImp(AliTPCParamCR)
	59	const static Int_t kMaxRows=600;
	60	const static Float_t kEdgeSectorSpace = 2.5;
	61
	62	AliTPCParamCR::AliTPCParamCR()
	63	{
	64	//
	65	//constructor set the default parameters
	66	fInnerPRF=0;
	67	fOuterPRF=0;
	68	fTimeRF = 0;
	69	fFacSigma = Float_t(2.);
	70	SetDefault();
	71	Update();
	72	}
	73
	74	AliTPCParamCR::~AliTPCParamCR()
	75	{
	76	//
	77	//destructor destroy some dynmicaly alocated variables
	78	if (fInnerPRF != 0) delete fInnerPRF;
	79	if (fOuterPRF != 0) delete fOuterPRF;
	80	if (fTimeRF != 0) delete fTimeRF;
	81	}
	82
	83	void AliTPCParamCR::SetDefault()
	84	{
	85	//set default TPC param
	86	fbStatus = kFALSE;
	87	AliTPCParam::SetDefault();
	88	}
	89
73042f01	90	Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy)
cc80f89e	91	{
	92	//
	93	//calculate bin response as function of the input position -x
	94	//return number of valid response bin
	95	//
	96	//we suppose that coordinata is expressed in float digits
	97	// it's mean coordinate system 8
	98	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
	99	if ( (fInnerPRF==0)\|\|(fOuterPRF==0)\|\|(fTimeRF==0) ){
	100	Error("AliTPCParamCR", "response function were not adjusted");
	101	return -1;
	102	}
	103
	104	Float_t sfpadrow; // sigma of response function
	105	Float_t sfpad; // sigma of
	106	Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	107	if (index[1]<fNInnerSector){
	108	sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	109	sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
	110	}else{
	111	sfpadrow =fFacSigma*fOuterPRF->GetSigmaY()/fOuterPadPitchLength;
	112	sfpad =fFacSigma*fOuterPRF->GetSigmaX()/fOuterPadPitchWidth;
	113	}
	114
	115	Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow
	116	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
	117	Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time
	118	Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	119	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
	120	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time
	121
	122	Float_t padres[20][20]; //I don't expect bigger number of bins
	123	Float_t timeres[20];
	124	//calculate padresponse function
	125	Int_t padrow;
	126	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	127	for (Int_t pad = fpad;pad<=lpad;pad++){
	128	Float_t dy = (xyz[0]-Float_t(padrow));
	129	Float_t dx = (xyz[1]-Float_t(pad));
	130	if (index[1]<fNInnerSector)
	131	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
	132	else
	133	padres[padrow-fpadrow][pad-fpad]=fOuterPRF->GetPRF(dxfOuterPadPitchWidth,dyfOuterPadPitchLength);
	134	}
	135	//calculate time response function
	136
	137	Int_t time;
	138	for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth);
	139
	140	//write over threshold values to stack
	141	Int_t cindex3=-1;
	142	Int_t cindex=0;
	143	Float_t cweight = 0;
	144	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	145	for (Int_t pad = fpad;pad<=lpad;pad++)
	146	for (time = ftime;time<=ltime;time++){
	147	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	148	if (cweight>fResponseThreshold) {
	149	fResponseBin[++cindex3]=padrow;
	150	fResponseBin[++cindex3]=pad;
	151	fResponseBin[++cindex3]=time;
	152	fResponseWeight[++cindex]=cweight;
	153	}
	154	}
155	fCurrentMax=cindex;
156	return fCurrentMax;
157	}
158
159	void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz,
160	const Int_t &sector, const Int_t & padrow, Int_t option) const
161	{
162	//transform relative coordinates to absolute
163	Bool_t rel = ( (option&2)!=0);
164	Int_t index[2]={sector,padrow};
165	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
166	Transform2to1(xyz,index);
167	}
168
169	void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz,
170	Int_t &sector, Int_t & padrow, Int_t option) const
171	{
172	//transform global position to the position relative to the sector padrow
173	//if option=0 X calculate absolute calculate sector
174	//if option=1 X absolute use input sector
175	//if option=2 X relative to pad row calculate sector
176	//if option=3 X relative use input sector
177	//!!!!!!!!! WE start to calculate rows from row = 0
178	Int_t index[2];
179	Bool_t rel = ( (option&2)!=0);
180
181	//option 0 and 2 means that we don't have information about sector
182	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
183	else
184	index[0]=sector;
185	Transform1to2(xyz,index);
186	Transform2to3(xyz,index);
187	//if we store relative position calculate position relative to pad row
188	if (rel==kTRUE) Transform3to4(xyz,index);
189	sector = index[0];
190	padrow = index[1];
191	}
192
193
194
195	Bool_t AliTPCParamCR::Update()
196	{
197
198	//
199	// update some calculated parameter which must be updated after changing "base"
200	// parameters
201	// for example we can change size of pads and according this recalculate number
202	// of pad rows, number of of pads in given row ....
203	Int_t i;
204	if (AliTPCParam::Update()==kFALSE) return kFALSE;
205	fbStatus = kFALSE;
206
207	// adjust lower sectors pad row positions and pad numbers
208	fNRowLow = (Int_t(1.0001*(fRInnerLastWire-fRInnerFirstWire)/fInnerWWPitch)
209	-2*fInnerDummyWire)/fNInnerWiresPerPad;
210	if ( kMaxRows<fNRowLow) fNRowUp = kMaxRows;
211	if (1>fNRowLow) return kFALSE;
212	Float_t firstpad = fRInnerFirstWire+(fInnerDummyWire-0.5)*fInnerWWPitch
213	+fInnerPadPitchLength/2.;
214
215	for (i = 0;i<fNRowLow;i++)
216	{
217	Float_t x = firstpad +fInnerPadPitchLength*(Float_t)i;
218	Float_t y = (x-0.5fInnerPadPitchLength)tan(fInnerAngle/2.)-fInnerFrameSpace-
219	fInnerPadPitchWidth/2.;
220	fPadRowLow[i] = x;
221	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
222	}
223
224	// adjust upper sectors pad row positions and pad numbers
225	fNRowUp = (Int_t((fROuterLastWire-fROuterFirstWire+0.001)/fOuterWWPitch)
226	-2*fOuterDummyWire)/fNOuterWiresPerPad;
227	if ( kMaxRows<fNRowUp) fNRowUp = kMaxRows;
228	if (1>fNRowUp) return kFALSE;
229	firstpad = fROuterFirstWire+(fOuterDummyWire-0.5)*fOuterWWPitch
230	+fOuterPadPitchLength/2.;
231
232	for (i = 0;i<fNRowUp;i++)
233	{
234	Float_t x = firstpad + fOuterPadPitchLength*(Float_t)i;
235	Float_t y = (x-0.5fOuterPadPitchLength)tan(fOuterAngle/2.)-fOuterFrameSpace-
236	fInnerPadPitchWidth/2.;
237	fPadRowUp[i] = x;
238	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
239	}
240	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
c11cb93f	241	fbStatus = kTRUE;
cc80f89e	242	return kTRUE;
	243	}
	244
	245
	246
	247	void AliTPCParamCR::Streamer(TBuffer &R__b)
	248	{
	249	// Stream an object of class AliTPC.
	250
	251	if (R__b.IsReading()) {
2ab0c725	252	AliTPCParamCR::Class()->ReadBuffer(R__b, this);
2ab0c725	253	Update();
cc80f89e	254	} else {
2ab0c725	255	AliTPCParamCR::Class()->WriteBuffer(R__b, this);
cc80f89e	256	}
	257	}
	258
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