[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 1.2.4.1  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 <TObject.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;
  return kTRUE;
}


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

   if (R__b.IsReading()) {
      Version_t R__v = R__b.ReadVersion(); if (R__v) { }
      //      TObject::Streamer(R__b);
      AliTPCParam::Streamer(R__b);
      //      if (R__v < 2) return;
       Update();
   } else {
      R__b.WriteVersion(AliTPCParamCR::IsA());
      //TObject::Streamer(R__b);  
      AliTPCParam::Streamer(R__b);    
   }
}
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	$Log$
73042f01	18	Revision 1.2.4.1 2000/06/14 16:48:24 kowal2
	19	Parameter setting improved. Removed compiler warnings
	20
	21	Revision 1.2 2000/04/17 09:37:33 kowal2
	22	removed obsolete AliTPCDigitsDisplay.C
	23
cc80f89e	24	Revision 1.1.4.2 2000/04/10 11:36:13 kowal2
	25
	26	New Detector parameters handling class
	27
	28	*/
	29
	30	///////////////////////////////////////////////////////////////////////
	31	// Manager and of geomety classes for set: TPC //
	32	// //
	33	// !sectors are numbered from 0 //
	34	// !pad rows are numbered from 0 //
	35	//
	36	// 27.7. - AliTPCPaaramSr object for TPC
	37	// TPC with straight pad rows
	38	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	39	// //
	40	///////////////////////////////////////////////////////////////////////
	41
	42
	43	#include <iostream.h>
	44	#include <TMath.h>
	45	#include <TObject.h>
	46	#include <AliTPCParamCR.h>
73042f01	47	#include "AliTPCPRF2D.h"
73042f01	48	#include "AliTPCRF1D.h"
cc80f89e	49
	50
	51
	52	ClassImp(AliTPCParamCR)
	53	const static Int_t kMaxRows=600;
	54	const static Float_t kEdgeSectorSpace = 2.5;
	55
	56	AliTPCParamCR::AliTPCParamCR()
	57	{
	58	//
	59	//constructor set the default parameters
	60	fInnerPRF=0;
	61	fOuterPRF=0;
	62	fTimeRF = 0;
	63	fFacSigma = Float_t(2.);
	64	SetDefault();
	65	Update();
	66	}
	67
	68	AliTPCParamCR::~AliTPCParamCR()
	69	{
	70	//
	71	//destructor destroy some dynmicaly alocated variables
	72	if (fInnerPRF != 0) delete fInnerPRF;
	73	if (fOuterPRF != 0) delete fOuterPRF;
	74	if (fTimeRF != 0) delete fTimeRF;
	75	}
	76
	77	void AliTPCParamCR::SetDefault()
	78	{
	79	//set default TPC param
	80	fbStatus = kFALSE;
	81	AliTPCParam::SetDefault();
	82	}
	83
73042f01	84	Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy)
cc80f89e	85	{
	86	//
	87	//calculate bin response as function of the input position -x
	88	//return number of valid response bin
	89	//
	90	//we suppose that coordinata is expressed in float digits
	91	// it's mean coordinate system 8
	92	//xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin
	93	if ( (fInnerPRF==0)\|\|(fOuterPRF==0)\|\|(fTimeRF==0) ){
	94	Error("AliTPCParamCR", "response function were not adjusted");
	95	return -1;
	96	}
	97
	98	Float_t sfpadrow; // sigma of response function
	99	Float_t sfpad; // sigma of
	100	Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response
	101	if (index[1]<fNInnerSector){
	102	sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength;
	103	sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth;
	104	}else{
	105	sfpadrow =fFacSigma*fOuterPRF->GetSigmaY()/fOuterPadPitchLength;
	106	sfpad =fFacSigma*fOuterPRF->GetSigmaX()/fOuterPadPitchWidth;
	107	}
	108
	109	Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow
	110	Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad
	111	Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time
	112	Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow
	113	Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad
	114	Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time
	115
	116	Float_t padres[20][20]; //I don't expect bigger number of bins
	117	Float_t timeres[20];
	118	//calculate padresponse function
	119	Int_t padrow;
	120	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	121	for (Int_t pad = fpad;pad<=lpad;pad++){
	122	Float_t dy = (xyz[0]-Float_t(padrow));
	123	Float_t dx = (xyz[1]-Float_t(pad));
	124	if (index[1]<fNInnerSector)
	125	padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dxfInnerPadPitchWidth,dyfInnerPadPitchLength);
	126	else
	127	padres[padrow-fpadrow][pad-fpad]=fOuterPRF->GetPRF(dxfOuterPadPitchWidth,dyfOuterPadPitchLength);
	128	}
	129	//calculate time response function
	130
	131	Int_t time;
	132	for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth);
	133
	134	//write over threshold values to stack
	135	Int_t cindex3=-1;
	136	Int_t cindex=0;
	137	Float_t cweight = 0;
	138	for (padrow = fpadrow;padrow<=lpadrow;padrow++)
	139	for (Int_t pad = fpad;pad<=lpad;pad++)
	140	for (time = ftime;time<=ltime;time++){
	141	cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad];
	142	if (cweight>fResponseThreshold) {
	143	fResponseBin[++cindex3]=padrow;
	144	fResponseBin[++cindex3]=pad;
	145	fResponseBin[++cindex3]=time;
	146	fResponseWeight[++cindex]=cweight;
	147	}
	148	}
149	fCurrentMax=cindex;
150	return fCurrentMax;
151	}
152
153	void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz,
154	const Int_t &sector, const Int_t & padrow, Int_t option) const
155	{
156	//transform relative coordinates to absolute
157	Bool_t rel = ( (option&2)!=0);
158	Int_t index[2]={sector,padrow};
159	if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row
160	Transform2to1(xyz,index);
161	}
162
163	void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz,
164	Int_t &sector, Int_t & padrow, Int_t option) const
165	{
166	//transform global position to the position relative to the sector padrow
167	//if option=0 X calculate absolute calculate sector
168	//if option=1 X absolute use input sector
169	//if option=2 X relative to pad row calculate sector
170	//if option=3 X relative use input sector
171	//!!!!!!!!! WE start to calculate rows from row = 0
172	Int_t index[2];
173	Bool_t rel = ( (option&2)!=0);
174
175	//option 0 and 2 means that we don't have information about sector
176	if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number
177	else
178	index[0]=sector;
179	Transform1to2(xyz,index);
180	Transform2to3(xyz,index);
181	//if we store relative position calculate position relative to pad row
182	if (rel==kTRUE) Transform3to4(xyz,index);
183	sector = index[0];
184	padrow = index[1];
185	}
186
187
188
189	Bool_t AliTPCParamCR::Update()
190	{
191
192	//
193	// update some calculated parameter which must be updated after changing "base"
194	// parameters
195	// for example we can change size of pads and according this recalculate number
196	// of pad rows, number of of pads in given row ....
197	Int_t i;
198	if (AliTPCParam::Update()==kFALSE) return kFALSE;
199	fbStatus = kFALSE;
200
201	// adjust lower sectors pad row positions and pad numbers
202	fNRowLow = (Int_t(1.0001*(fRInnerLastWire-fRInnerFirstWire)/fInnerWWPitch)
203	-2*fInnerDummyWire)/fNInnerWiresPerPad;
204	if ( kMaxRows<fNRowLow) fNRowUp = kMaxRows;
205	if (1>fNRowLow) return kFALSE;
206	Float_t firstpad = fRInnerFirstWire+(fInnerDummyWire-0.5)*fInnerWWPitch
207	+fInnerPadPitchLength/2.;
208
209	for (i = 0;i<fNRowLow;i++)
210	{
211	Float_t x = firstpad +fInnerPadPitchLength*(Float_t)i;
212	Float_t y = (x-0.5fInnerPadPitchLength)tan(fInnerAngle/2.)-fInnerFrameSpace-
213	fInnerPadPitchWidth/2.;
214	fPadRowLow[i] = x;
215	fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ;
216	}
217
218	// adjust upper sectors pad row positions and pad numbers
219	fNRowUp = (Int_t((fROuterLastWire-fROuterFirstWire+0.001)/fOuterWWPitch)
220	-2*fOuterDummyWire)/fNOuterWiresPerPad;
221	if ( kMaxRows<fNRowUp) fNRowUp = kMaxRows;
222	if (1>fNRowUp) return kFALSE;
223	firstpad = fROuterFirstWire+(fOuterDummyWire-0.5)*fOuterWWPitch
224	+fOuterPadPitchLength/2.;
225
226	for (i = 0;i<fNRowUp;i++)
227	{
228	Float_t x = firstpad + fOuterPadPitchLength*(Float_t)i;
229	Float_t y = (x-0.5fOuterPadPitchLength)tan(fOuterAngle/2.)-fOuterFrameSpace-
230	fInnerPadPitchWidth/2.;
231	fPadRowUp[i] = x;
232	fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ;
233	}
234	fNtRows = fNInnerSectorfNRowLow+fNOuterSectorfNRowUp;
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()) {
245	Version_t R__v = R__b.ReadVersion(); if (R__v) { }
246	// TObject::Streamer(R__b);
247	AliTPCParam::Streamer(R__b);
248	// if (R__v < 2) return;
249	Update();
250	} else {
251	R__b.WriteVersion(AliTPCParamCR::IsA());
252	//TObject::Streamer(R__b);
253	AliTPCParam::Streamer(R__b);
254	}
255	}
256
257
258
259