/**************************************************************************
 * 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.                  *
 **************************************************************************/

/*
$Log$

*/

#include <TShape.h>

#include "AliITSgeomSPD425.h"

ClassImp(AliITSgeomSPD425)

AliITSgeomSPD425::AliITSgeomSPD425(){
////////////////////////////////////////////////////////////////////////
//    default constructor, for ITS post TDR geometry.
////////////////////////////////////////////////////////////////////////

const Float_t kdx=0.6400,kdy=0.0075,kdz=4.23625;// cm; Standard pixel detector
                                                // size is 2dx wide, 2dz long,
                                                // and 2dy thick. Geant 3.12
                                                // units.
const Float_t kbinx0 = 0.0050; // cm; Standard pixel size in x direction.
const Int_t   knbinx = 256;    // number of pixels along x direction.
const Float_t kbinz0 = 0.0425; // cm; Standard pixel size in z direction.
const Float_t kbinz1 = 0.0625; // cm; Special pixel size in z direction.
const Int_t   knbinz = 197;    // number of pixels along z direction.

    fdx = kdx;  // default value.
    fdy = kdy;  // default value.
    fdz = kdz;  // default value.
    fNbinx = knbinx; // default number of bins in x.
    fNbinz = knbinz; // default number of bins in z.

    fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
    for(Int_t i=0;i<fNbinx;i++) fBinSizeX[i] = kbinx0; // default x bin size.
    fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
    for(Int_t i=0;i<fNbinz;i++) fBinSizeZ[i] = kbinz0; // default z bin size.
    fBinSizeZ[ 31] = kbinz1;
    fBinSizeZ[ 32] = kbinz1;

    fBinSizeZ[ 64] = kbinz1;
    fBinSizeZ[ 65] = kbinz1;

    fBinSizeZ[ 97] = kbinz1;
    fBinSizeZ[ 98] = kbinz1;

    fBinSizeZ[130] = kbinz1;
    fBinSizeZ[131] = kbinz1;

    fBinSizeZ[163] = kbinz1;
    fBinSizeZ[164] = kbinz1;

    // correct detector size for bin size.
    fdx = 0.0;
    for(Int_t i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
    fdx *= 0.5;
    fdz = 0.0;
    for(Int_t i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
    fdz *= 0.5;

    fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
			  fdx,fdy,fdz);
}
//______________________________________________________________________
AliITSgeomSPD425::AliITSgeomSPD425(Float_t dy,Int_t nx,Float_t *bx,
				                Int_t nz,Float_t *bz){
////////////////////////////////////////////////////////////////////////
//    default constructor, for a User modified TDR based geometry.
////////////////////////////////////////////////////////////////////////
    fdx = 0.0;
    fdy =  dy;
    fdz = 0.0;
    fNbinx = nx; // new number of bins in x.
    fNbinz = nz; // new number of bins in z.

    fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
    for(Int_t i=0;i<fNbinx;i++) fBinSizeX[i] = bx[i]; // new x bin size.
    fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
    for(Int_t i=0;i<fNbinz;i++) fBinSizeZ[i] = bz[i]; // new z bin size.

    // correct detector size for bin size.
    for(Int_t i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
    fdx *= 0.5;
    for(Int_t i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
    fdz *= 0.5;

    fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
			  fdx,fdy,fdz);
}
//______________________________________________________________________
AliITSgeomSPD425::AliITSgeomSPD425(AliITSgeomSPD425 &source){
  // copy constructor
    if(&source == this) return;
    this->fShapeSPD = source.fShapeSPD;
    this->fdx = source.fdx;
    this->fdy = source.fdy;
    this->fdz = source.fdz;
    if(this->fBinSizeX) delete[] this->fBinSizeX; 
    if(this->fBinSizeX) delete[] this->fBinSizeZ;
    this->fNbinx = source.fNbinx;
    this->fBinSizeX = new Float_t[this->fNbinx];
    this->fNbinz = source.fNbinz;
    this->fBinSizeZ = new Float_t[this->fNbinz];
    for(Int_t i=0;i<fNbinx;i++) this->fBinSizeX[i] = source.fBinSizeX[i];
    for(Int_t i=0;i<fNbinz;i++) this->fBinSizeZ[i] = source.fBinSizeZ[i];
}
//______________________________________________________________________
AliITSgeomSPD425& AliITSgeomSPD425::operator=(AliITSgeomSPD425 &source){
  // = operator
    if(&source == this) return *this;
    this->fShapeSPD = source.fShapeSPD;
    this->fdx = source.fdx;
    this->fdy = source.fdy;
    this->fdz = source.fdz;
    if(this->fBinSizeX) delete[] this->fBinSizeX; 
    if(this->fBinSizeX) delete[] this->fBinSizeZ;
    this->fNbinx = source.fNbinx;
    this->fBinSizeX = new Float_t[this->fNbinx];
    this->fNbinz = source.fNbinz;
    this->fBinSizeZ = new Float_t[this->fNbinz];
    for(Int_t i=0;i<fNbinx;i++) this->fBinSizeX[i] = source.fBinSizeX[i];
    for(Int_t i=0;i<fNbinz;i++) this->fBinSizeZ[i] = source.fBinSizeZ[i];
    return *this;
}
//______________________________________________________________________
AliITSgeomSPD425::~AliITSgeomSPD425(){
  // destructor
    delete[] fBinSizeX;
    delete[] fBinSizeZ;
    delete   fShapeSPD;
}
//______________________________________________________________________
void AliITSgeomSPD425::ReSetBins(Float_t dy,Int_t nx,Float_t *bx,
                                        Int_t nz,Float_t *bz){
////////////////////////////////////////////////////////////////////////
//    default constructor, for a User modified TDR based geometry.
////////////////////////////////////////////////////////////////////////
    fdx = 0.0;
    fdy =  dy;
    fdz = 0.0;
    fNbinx = nx; // new number of bins in x.
    fNbinz = nz; // new number of bins in z.

    if(fBinSizeX!=0) delete[] fBinSizeX;
    fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
    for(Int_t i=0;i<fNbinx;i++) fBinSizeX[i] = bx[i]; // new x bin size.
    if(fBinSizeZ!=0) delete[] fBinSizeZ;
    fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
    for(Int_t i=0;i<fNbinz;i++) fBinSizeZ[i] = bz[i]; // new z bin size.

    // correct detector size for bin size.
    for(Int_t i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
    fdx *= 0.5;
    for(Int_t i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
    fdz *= 0.5;

    fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
			  fdx,fdy,fdz);
}
//----------------------------------------------------------------------
void AliITSgeomSPD425::Streamer(TBuffer &R__b){
    // Streamer function for the class AliITSgeomSPD425.
    UInt_t R__s, R__c;

    if(R__b.IsReading()){
	Version_t R__v = R__b.ReadVersion(&R__s, &R__c);
	if(R__v==1){
	    TObject::Streamer(R__b);
	    fShapeSPD->Streamer(R__b);
	    R__b >> fdx;
	    R__b >> fdy;
	    R__b >> fdz;
	}else if (R__v==2){
	    AliITSgeomSPD::Streamer(R__b);
	    fShapeSPD->Streamer(R__b);
	    R__b >> fdx;
	    R__b >> fdy;
	    R__b >> fdz;
	    R__b >> fNbinx;
	    if(fBinSizeX!=0) delete[] fBinSizeX;
	    fBinSizeX = new Float_t[fNbinx];
	    for(Int_t i=0;i<fNbinx;i++) R__b >> fBinSizeX[i];
	    R__b >> fNbinz;
	    if(fBinSizeZ!=0) delete[] fBinSizeZ;
	    fBinSizeZ = new Float_t[fNbinz];
	    for(Int_t i=0;i<fNbinz;i++) R__b >> fBinSizeZ[i];
	    R__b.CheckByteCount(R__s, R__c, AliITSgeomSPD425::IsA());
	} // end if R__v==1
    } else { // IsWriting.
	R__c = R__b.WriteVersion(AliITSgeomSPD425::IsA(), kTRUE);
	AliITSgeomSPD::Streamer(R__b);
	fShapeSPD->Streamer(R__b);
	R__b << fdx;
	R__b << fdy;
	R__b << fdz;
	R__b << fNbinx;
	for(Int_t i=0;i<fNbinx;i++) R__b << fBinSizeX[i];
	R__b << fNbinz;
	for(Int_t i=0;i<fNbinz;i++) R__b << fBinSizeZ[i];
	R__b.SetByteCount(R__c, kTRUE);
    } // end if R__b.IsReading()
}
//----------------------------------------------------------------------