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Public Types | Public Member Functions | Static Public Member Functions

MEEBGeom Class Reference

#include <MEEBGeom.h>

List of all members.

Public Types

typedef int EBGlobalCoord
typedef int EBLocalCoord
typedef int EBTTLocalCoord
enum  EBUnit {
  iEcalBarrel, iSuperModule, iDCC, iSide,
  iLMRegion, iLMModule, iTriggerTower, iCrystal
}
typedef std::pair
< EBGlobalCoord, EBGlobalCoord
EtaPhiCoord
typedef std::pair< float, float > EtaPhiPoint
typedef std::pair
< EBLocalCoord, EBLocalCoord
XYCoord

Public Member Functions

virtual ~MEEBGeom ()

Static Public Member Functions

static std::vector< int > apdRefChannels (int ilmmod)
static int apdRefTower (int ilmmod)
static int barrel (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int crystal (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int crystal_channel (EBLocalCoord ix, EBLocalCoord iy)
static int dcc (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int dccFromSm (int ism)
static int electronic_channel (EBLocalCoord ix, EBLocalCoord iy)
static TGraph * getGraphBoundary (int type, int num, bool global=false)
static EtaPhiCoord globalCoord (int ism, EBLocalCoord ix, EBLocalCoord iy)
static EtaPhiPoint globalCoord (int ism, float x, float y)
static EtaPhiCoord globalCoord (int ism, int icrystal)
static int hv_channel (EBTTLocalCoord iX, EBTTLocalCoord iY)
static int lm_channel (EBTTLocalCoord iX, EBTTLocalCoord iY)
static int lmmod (EBGlobalCoord ieta, EBGlobalCoord iphi)
static std::vector< int > lmmodFromLmr (int ilmr)
static int lmr (EBGlobalCoord ieta, EBGlobalCoord iphi)
static XYCoord localCoord (int icr)
static XYCoord localCoord (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int lv_channel (EBTTLocalCoord iX, EBTTLocalCoord iY)
static std::pair< int, int > memFromLmr (int ilmr)
static std::pair< int, int > pn (int ilmmod)
static int side (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int sm (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int smFromDcc (int idcc)
static TString smName (int ism)
static int tt (EBGlobalCoord ieta, EBGlobalCoord iphi)
static int tt_channel (EBTTLocalCoord iX, EBTTLocalCoord iY)
static int tt_type (EBTTLocalCoord iX, EBTTLocalCoord iY)

Detailed Description

Definition at line 15 of file MEEBGeom.h.


Member Typedef Documentation

Definition at line 23 of file MEEBGeom.h.

Definition at line 22 of file MEEBGeom.h.

Definition at line 24 of file MEEBGeom.h.

Definition at line 26 of file MEEBGeom.h.

typedef std::pair<float,float> MEEBGeom::EtaPhiPoint

Definition at line 25 of file MEEBGeom.h.

Definition at line 27 of file MEEBGeom.h.


Member Enumeration Documentation

Enumerator:
iEcalBarrel 
iSuperModule 
iDCC 
iSide 
iLMRegion 
iLMModule 
iTriggerTower 
iCrystal 

Definition at line 20 of file MEEBGeom.h.


Constructor & Destructor Documentation

virtual MEEBGeom::~MEEBGeom ( ) [inline, virtual]

Definition at line 71 of file MEEBGeom.h.

{}

Member Function Documentation

std::vector< int > MEEBGeom::apdRefChannels ( int  ilmmod) [static]

Definition at line 555 of file MEEBGeom.cc.

Referenced by MEEEGeom::apdRefChannels().

{
  
  std::vector< int > vec;
  switch( ilmmod )
    {
    case   1:  vec.push_back(0); vec.push_back(24); break;
    case   2:  vec.push_back(0); vec.push_back(24); break;
    case   3:  vec.push_back(0); vec.push_back(24); break;
    case   4:  vec.push_back(0); vec.push_back(24); break;
    case   5:  vec.push_back(0); vec.push_back(24); break;
    case   6:  vec.push_back(0); vec.push_back(24); break;
    case   7:  vec.push_back(0); vec.push_back(24); break;
    case   8:  vec.push_back(0); vec.push_back(24); break;
    case   9:  vec.push_back(0); vec.push_back(24); break;
    default:
      abort();
    }
  return vec;
}
int MEEBGeom::apdRefTower ( int  ilmmod) [static]

Definition at line 524 of file MEEBGeom.cc.

Referenced by EcalLaserAnalyzer::analyze(), and EcalLaserAnalyzer2::analyze().

{
  switch( ilmmod )
    {
      /* case   1: return 1;
    case   2: return 5; 
    case   3: return 7;
    case   4: return 21; 
    case   5: return 23;
    case   6: return 37;
    case   7: return 39;
    case   8: return 53;
    case   9: return 55;
      */
    case   1: return 2;
    case   2: return 6; 
    case   3: return 8;
    case   4: return 22; 
    case   5: return 24;
    case   6: return 38;
    case   7: return 40;
    case   8: return 54;
    case   9: return 56;
    default:
      abort();
    }
  return 0;
}
int MEEBGeom::barrel ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 15 of file MEEBGeom.cc.

{
  int iz=1;
  if( ieta<0 ) iz=-1;
  ieta *= iz;
  assert( ieta>0 && ieta<=85 );
  if( iphi<0 ) iphi+=360;
  assert( iphi>0 && iphi<=360 );
  return iz;
}
int MEEBGeom::crystal ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 107 of file MEEBGeom.cc.

{
  std::pair<EBLocalCoord,EBLocalCoord> ixy = localCoord( ieta, iphi );
  return crystal_channel( ixy.first, ixy.second );
}
int MEEBGeom::crystal_channel ( EBLocalCoord  ix,
EBLocalCoord  iy 
) [static]

Definition at line 336 of file MEEBGeom.cc.

Referenced by MELaserPrim::fillHistograms(), and ME::regTree().

{
  // "Test beam numbering"
  int icr =  20*ix + 19-iy + 1;  // :)

  return icr;
}
int MEEBGeom::dcc ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 48 of file MEEBGeom.cc.

References ecalpyutils::ism().

{
  int ism = sm( ieta, iphi );
  return dccFromSm( ism );
}
int MEEBGeom::dccFromSm ( int  ism) [static]

Definition at line 55 of file MEEBGeom.cc.

References ecalpyutils::ism().

{
  assert( ism>=1 && ism<=36 );
  int iz=1;
  if( ism>18 ) iz=-1;
  if( iz==-1  ) ism-=18;
  assert( ism>=1 && ism<=18 );
  int idcc = 9+ism;
  if( iz==+1  ) idcc+=18;
  return idcc;
}
int MEEBGeom::electronic_channel ( EBLocalCoord  ix,
EBLocalCoord  iy 
) [static]

Definition at line 345 of file MEEBGeom.cc.

Referenced by EcalTestPulseAnalyzer::analyze(), EcalPerEvtLaserAnalyzer::analyze(), EcalLaserAnalyzer::analyze(), EcalABAnalyzer::analyze(), EcalLaserAnalyzer2::analyze(), and ME::regTree().

{
  int iX = ix/5;
  int iY = iy/5;
  int itt  = tt_channel( iX, iY );
  int type = tt_type( iX, iY );

  int iVFE = ix%5+1;
  int islot = iy%5+1;
  if( iVFE%2==1 ) islot = 6-islot;
  int icr = 5*(iVFE-1)+(islot-1);
  // rotate for type-1 towers
  if( type==1 )
    {
      icr = 24-icr;
    }
  icr += 25*(itt-1);

  return icr;
}
TGraph * MEEBGeom::getGraphBoundary ( int  type,
int  num,
bool  global = false 
) [static]

Definition at line 367 of file MEEBGeom.cc.

References ecalpyutils::ism(), n, and xy().

Referenced by MEGeom::drawGlobalBoundaries().

{
  int ism_=0;
  if( type==iSuperModule )
    {
      ism_ = num; 
    }
  else if( type==iLMRegion )
    {
      ism_ = (num-1)/2+1;
      if( ism_>18 ) 
        ism_-=18;
      else
        ism_+=18;
    }
  else
      abort();

  int ism=1;
  if( global ) ism = ism_;

  //  std::list< std::pair< float, float > > l;
  // getBoundary( l, type, num, global, ism );
  //  int n = l.size();
  //  if( n==0 ) return 0;
  
  float ix[100];
  float iy[100];
  int ixmin =  0;
  int ixmax = 84;
  int iymin =  0;
  int iymax = 19;

  int n(0);
  if( type==iSuperModule )
    {
      n=5;
      ix[0] = ixmin-0.5;
      iy[0] = iymin-0.5;
      ix[1] = ixmin-0.5;
      iy[1] = iymax+0.5;
      ix[2] = ixmax+0.5;
      iy[2] = iymax+0.5;
      ix[3] = ixmax+0.5;
      iy[3] = iymin-0.5;
      ix[4] = ix[0];
      iy[4] = iy[0];
    }
  else if( type==iLMRegion )
    {
      int iside = num;
      if( global )
        {
          iside = (num-1)%2;
        }
      
      if( iside==1 )
        {
          n=5;
          ix[0] = ixmin+5-0.5;
          iy[0] = iymin+10-0.5;
          ix[1] = ixmin+5-0.5;
          iy[1] = iymax+0.5;
          ix[2] = ixmax+0.5;
          iy[2] = iymax+0.5;
          ix[3] = ixmax+0.5;
          iy[3] = iymin+10-0.5;
          ix[4] = ix[0];
          iy[4] = iy[0];
        }
      else
        {
          n=7;
          ix[0] = ixmin-0.5;
          iy[0] = iymin-0.5;
          ix[1] = ixmin-0.5;
          iy[1] = iymax+0.5;
          ix[2] = ixmin+5-0.5;
          iy[2] = iymax+0.5;
          ix[3] = ixmin+5-0.5;
          iy[3] = iymax-10+0.5;
          ix[4] = ixmax+0.5;
          iy[4] = iymax-10+0.5;
          ix[5] = ixmax+0.5;
          iy[5] = iymin-0.5;
          ix[6] = ix[0];
          iy[6] = iy[0];
        }
    }

  if( global )
    {
      for( int ii=0; ii<n; ii ++ )
        {
          std::pair<float,float> xy = globalCoord( ism, ix[ii], iy[ii] ); 
          ix[ii] = xy.first;
          iy[ii] = xy.second;
        }
    }

//   int ii=0;
//   std::list< std::pair< float, float > >::const_iterator l_it;      
//   for( l_it=l.begin(); l_it!=l.end(); l_it++ )
//     {
//       //      std::cout << "[" << l_it->first << "," << l_it->second << "]" << std::endl;
//       ix[ii] = l_it->first;
//       iy[ii] = l_it->second;
//       ii++;
//     }


//  assert( ii==n );
  return new TGraph( n, ix, iy );
}
std::pair< MEEBGeom::EBGlobalCoord, MEEBGeom::EBGlobalCoord > MEEBGeom::globalCoord ( int  ism,
MEEBGeom::EBLocalCoord  ix,
MEEBGeom::EBLocalCoord  iy 
) [static]

Definition at line 162 of file MEEBGeom.cc.

Referenced by ME::regTree().

{
  assert( ism>=1 && ism<=36 );
  assert( ix>=0 && ix<85 );
  assert( iy>=0 && iy<20 );
  //  int iz=-1;
  int iz=1;
  if( ism>18 ) 
    {
      iz=-1;
      ism -= 18;
    }
  if( iz==-1 ) iy = 19-iy;
  // if( iz==1 ) iy = 19-iy;

  int ieta = ix+1;
  ieta *= iz;
  //  int iphi = -9 + iy + 20*(ism-1);
  int iphi = 1 + iy + 20*(ism-1);

  return std::pair< EBGlobalCoord, EBGlobalCoord >(ieta,iphi);  
}
std::pair< float, float > MEEBGeom::globalCoord ( int  ism,
float  x,
float  y 
) [static]

Definition at line 186 of file MEEBGeom.cc.

References eta(), phi, and detailsBasic3DVector::y.

{
  assert( ism>=1 && ism<=36 );
  int iz=1;
  if( ism>18 ) 
    {
      iz=-1;
      ism -= 18;
    }
  if( iz==-1 ) y = 19-y;

  float eta = x+1;
  eta *= iz;
  //  float phi = -9 + y + 20*(ism-1);
  float phi = 1 + y + 20*(ism-1);

  return std::pair< float, float >(eta,phi);  
}
std::pair< MEEBGeom::EBGlobalCoord, MEEBGeom::EBGlobalCoord > MEEBGeom::globalCoord ( int  ism,
int  icrystal 
) [static]

Definition at line 206 of file MEEBGeom.cc.

{
  assert( ism>=1 && ism<=36 );
  assert( icr>=1 && icr<=1700 );

  int ix = (icr-1)/20;
  int iy = 19 - (icr-1)%20;

  return globalCoord( ism, ix, iy );  
}
int MEEBGeom::hv_channel ( EBTTLocalCoord  iX,
EBTTLocalCoord  iY 
) [static]

Definition at line 272 of file MEEBGeom.cc.

{
  string 
    str_
    (
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     "-01-03-05-07-09-11-13-15-17-19-21-23-25-27-29-31-33" // 3
     "-01-03-05-07-09-11-13-15-17-19-21-23-25-27-29-31-33" // 2
     "-02-04-06-08-10-12-14-16-18-20-22-24-26-28-30-32-34" // 1
     "-02-04-06-08-10-12-14-16-18-20-22-24-26-28-30-32-34" // 0
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     );

  int iym, ixm, nc, il, ic, ii;
  iym=4;
  ixm=17;
  int iX_ = iX+1;
  int iY_ = iY+1;
  nc=3;           
  il=iym-iY_;
  ic=nc*(iX_-1);
  ii=il*nc*ixm+ic;
  if( str_.substr(ii,1).find("-")==string::npos ) return -1;
  return atoi( str_.substr(ii+1,2).c_str() );
}
int MEEBGeom::lm_channel ( EBTTLocalCoord  iX,
EBTTLocalCoord  iY 
) [static]

Definition at line 218 of file MEEBGeom.cc.

Referenced by ME::regTree().

{
  string 
    str_
    (
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     "-01-02-02-02-02-04-04-04-04-06-06-06-06-08-08-08-08" // 3
     "-01-02-02-02-02-04-04-04-04-06-06-06-06-08-08-08-08" // 2
     "-01-03-03-03-03-05-05-05-05-07-07-07-07-09-09-09-09" // 1
     "-01-03-03-03-03-05-05-05-05-07-07-07-07-09-09-09-09" // 0
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     );

  int iym, ixm, nc, il, ic, ii;
  iym=4;
  ixm=17;
  int iX_ = iX+1;
  int iY_ = iY+1;
  nc=3;           
  il=iym-iY_;
  ic=nc*(iX_-1);
  ii=il*nc*ixm+ic;
  if( str_.substr(ii,1).find("-")==string::npos ) return -1;
  return atoi( str_.substr(ii+1,2).c_str() );
}
int MEEBGeom::lmmod ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 93 of file MEEBGeom.cc.

Referenced by EcalTestPulseAnalyzer::analyze(), EcalPerEvtLaserAnalyzer::analyze(), EcalLaserAnalyzer::analyze(), and EcalLaserAnalyzer2::analyze().

{
  std::pair<EBLocalCoord,EBLocalCoord> ixy = localCoord( ieta, iphi );
  return lm_channel( ixy.first/5, ixy.second/5 );
}
std::vector< int > MEEBGeom::lmmodFromLmr ( int  ilmr) [static]

Definition at line 511 of file MEEBGeom.cc.

References ME::dccAndSide().

Referenced by MEEEGeom::lmmodFromLmr().

{
  std::pair< int, int > dccAndSide_ = ME::dccAndSide( ilmr );
  int iside = dccAndSide_.second;
  std::vector< int > vec;
  for( int ilmmod=1; ilmmod<=9; ilmmod++ )
    {
      if( (ilmmod+iside)%2==1 )  vec.push_back(ilmmod);
    }
  return vec;
}
int MEEBGeom::lmr ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 121 of file MEEBGeom.cc.

References ecalpyutils::ism().

Referenced by EcalLaserAnalyzer::analyze(), EcalLaserAnalyzer2::analyze(), and ME::regTree().

{
  int idcc  = dcc( ieta, iphi );
  int ism   = idcc-9;
  int iside = side( ieta, iphi );
  int ilmr = 1 + 2*(ism-1) + iside;
  return ilmr;
}
std::pair< MEEBGeom::EBLocalCoord, MEEBGeom::EBLocalCoord > MEEBGeom::localCoord ( int  icr) [static]

Definition at line 153 of file MEEBGeom.cc.

Referenced by EcalTestPulseAnalyzer::analyze(), EcalPerEvtLaserAnalyzer::analyze(), EcalLaserAnalyzer::analyze(), EcalABAnalyzer::analyze(), EcalLaserAnalyzer2::analyze(), MELaserPrim::fillHistograms(), MEChannel::oneLine(), and MEChannel::oneWord().

{
  assert( icr>=1 && icr<=1700 );
  int ix = (icr-1)/20;
  int iy = 19 - (icr-1)%20;
  return std::pair< EBLocalCoord, EBLocalCoord >(ix,iy);  
}
std::pair< MEEBGeom::EBLocalCoord, MEEBGeom::EBLocalCoord > MEEBGeom::localCoord ( MEEBGeom::EBGlobalCoord  ieta,
MEEBGeom::EBGlobalCoord  iphi 
) [static]

Definition at line 131 of file MEEBGeom.cc.

{
  int iz=1;
  if( ieta<0 ) iz=-1;
  ieta *= iz;
  assert( ieta>0 && ieta<=85 );

  //  int iphi_ = iphi+10;
  int iphi_ = iphi;
  if( iphi_>360 ) iphi_-=360;
  assert( iphi_>0 && iphi_<=360 );

  int ix = ieta-1;
  
  int iy = (iphi_-1)%20;
  if( iz==-1 ) iy = 19-iy;
  // if( iz==1 ) iy = 19-iy;

  return std::pair< EBLocalCoord, EBLocalCoord >(ix,iy);  
}
int MEEBGeom::lv_channel ( EBTTLocalCoord  iX,
EBTTLocalCoord  iY 
) [static]

Definition at line 299 of file MEEBGeom.cc.

{
  string 
    str_
    (
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     "-01-02-02-04-04-06-06-08-08-10-10-12-12-14-14-16-16" // 3
     "-01-02-02-04-04-06-06-08-08-10-10-12-12-14-14-16-16" // 2
     "-01-03-03-05-05-07-07-09-09-11-11-13-13-15-15-17-17" // 1
     "-01-03-03-05-05-07-07-09-09-11-11-13-13-15-15-17-17" // 0
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     );

  int iym, ixm, nc, il, ic, ii;
  iym=4;
  ixm=17;
  int iX_ = iX+1;
  int iY_ = iY+1;
  nc=3;           
  il=iym-iY_;
  ic=nc*(iX_-1);
  ii=il*nc*ixm+ic;
  if( str_.substr(ii,1).find("-")==string::npos ) return -1;
  return atoi( str_.substr(ii+1,2).c_str() );
}
std::pair< int, int > MEEBGeom::memFromLmr ( int  ilmr) [static]

Definition at line 503 of file MEEBGeom.cc.

References ME::dccAndSide().

Referenced by MEEEGeom::memFromLmr().

{
  std::pair< int, int > dccAndSide_ = ME::dccAndSide( ilmr );
  int idcc  = dccAndSide_.first;
  return std::pair<int,int>( idcc, idcc );
}
std::pair< int, int > MEEBGeom::pn ( int  ilmmod) [static]

Definition at line 483 of file MEEBGeom.cc.

Referenced by MEEEGeom::pn().

{
  switch( ilmmod )
    {
    case   1: return std::pair<int,int>(  0,  5 );
    case   2: return std::pair<int,int>(  1,  6 );
    case   3: return std::pair<int,int>(  1,  6 );
    case   4: return std::pair<int,int>(  2,  7 );
    case   5: return std::pair<int,int>(  2,  7 );
    case   6: return std::pair<int,int>(  3,  8 );
    case   7: return std::pair<int,int>(  3,  8 );
    case   8: return std::pair<int,int>(  4,  9 );
    case   9: return std::pair<int,int>(  4,  9 );
    default:
      abort();
    }
  return std::pair<int,int>(-1,-1);
}
int MEEBGeom::side ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 114 of file MEEBGeom.cc.

Referenced by EcalPerEvtLaserAnalyzer::analyze().

{
  int ilmmod = lmmod( ieta, iphi );
  return (ilmmod%2==0)?1:0;
}
int MEEBGeom::sm ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 27 of file MEEBGeom.cc.

References ecalpyutils::ism().

{
  int iz=1;
  if( ieta<0 ) iz=-1;
  ieta *= iz;
  assert( ieta>0 && ieta<=85 );

  //  int iphi_ = iphi+10;
  int iphi_ = iphi;
  if( iphi_>360 ) iphi_-=360;
  assert( iphi_>0 && iphi_<=360 );

  int ism = (iphi_-1)/20 + 1;
  assert( ism>=1 && ism<=18 );
  //  if( iz==1 ) ism += 18;
  if( iz==-1 ) ism += 18;

  return ism;
}
int MEEBGeom::smFromDcc ( int  idcc) [static]

Definition at line 68 of file MEEBGeom.cc.

References ecalpyutils::ism().

{
  if( idcc>600 ) idcc-=600;  // also works with FEDids
  assert( idcc>=10 && idcc<=45 );
  int ism=idcc-9;
  if( ism>18 ) ism-=18;
  else         ism+=18;
  return ism;
}
TString MEEBGeom::smName ( int  ism) [static]

Definition at line 79 of file MEEBGeom.cc.

References ecalpyutils::ism(), and dbtoconf::out.

Referenced by MEGeom::getHist().

{
  assert( ism>=1 && ism<=36 );
  TString out = "EB+";
  if( ism>18 )
    {
      out = "EB-";
      ism -= 18;
    }
  out += ism;
  return out;
}
int MEEBGeom::tt ( EBGlobalCoord  ieta,
EBGlobalCoord  iphi 
) [static]

Definition at line 100 of file MEEBGeom.cc.

{
  std::pair<EBLocalCoord,EBLocalCoord> ixy = localCoord( ieta, iphi );
  return tt_channel( ixy.first/5, ixy.second/5 );
}
int MEEBGeom::tt_channel ( EBTTLocalCoord  iX,
EBTTLocalCoord  iY 
) [static]

Definition at line 326 of file MEEBGeom.cc.

Referenced by ME::regTree().

{

  int itt =  4*iX+4-iY;  // :)

  return itt;

}
int MEEBGeom::tt_type ( EBTTLocalCoord  iX,
EBTTLocalCoord  iY 
) [static]

Definition at line 245 of file MEEBGeom.cc.

{
  string 
    str_
    (
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     "-01-01-01-02-02-01-01-02-02-01-01-02-02-01-01-02-02" // 3
     "-01-01-01-02-02-01-01-02-02-01-01-02-02-01-01-02-02" // 2
     "-01-01-01-02-02-01-01-02-02-01-01-02-02-01-01-02-02" // 1
     "-01-01-01-02-02-01-01-02-02-01-01-02-02-01-01-02-02" // 0
     // 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16
     );

  int iym, ixm, nc, il, ic, ii;
  iym=4;
  ixm=17;
  int iX_ = iX+1;
  int iY_ = iY+1;
  nc=3;           
  il=iym-iY_;
  ic=nc*(iX_-1);
  ii=il*nc*ixm+ic;
  if( str_.substr(ii,1).find("-")==string::npos ) return -1;
  return atoi( str_.substr(ii+1,2).c_str() );
}