/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Muc/MucCalibAlg/MucCalibAlg-00-02-16/src/MucIdTransform.cxx

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//------------------------------------------------------------------------------|
//      [File  ]:                       MucIdTransform.cxx                      |
//      [Brief ]:       Source file of MucIdTransform class for encapsulation   |
//      [Author]:       Xie Yuguang, <ygxie@mail.ihep.ac.cn>                    |
//      [Date  ]:       Oct 19, 2006                                            |
//------------------------------------------------------------------------------|


#include<iostream>
#include<cmath>

using namespace std;

#include "MucCalibAlg/MucIdTransform.h"
#include "MucCalibAlg/MucStructConst.h"

// Constructor
MucIdTransform::MucIdTransform()
{
  m_Id      = 0;
  m_Part    = 0;
  m_Segment = 0;
  m_Layer   = 0;
  m_Strip   = 0;
}

// Destructor
MucIdTransform::~MucIdTransform() { ; }

// Get properties 
int MucIdTransform::GetId()       { return m_Id;      }
int MucIdTransform::GetPart()     { return m_Part;    }
int MucIdTransform::GetSegment()  { return m_Segment; }
int MucIdTransform::GetLayer()    { return m_Layer;   }
int MucIdTransform::GetStrip()    { return m_Strip;   }

// Return the maximum strip in a box
int MucIdTransform::GetStripMax( int part, int segment, int layer )
{
  int max = 0;

  if( part != BRID )           max = E_STR_NUM;
  else if( (layer+1)%2 == 1 )  max = B_ZSTR_NUM;
  else if( segment == B_TOP )  max = B_TOPSTR_NUM;
  else                         max = B_PHISTR_NUM;

  return max;
}

// Return the id of a box according its position
int MucIdTransform::GetBoxId( int part, int segment, int layer )
{
  int boxId = 0;
  for(int i=0; i<part; i++) {
    boxId += BOX_PER_PART[i];
  }

  if( segment == 0 )
    boxId += layer;
  else
    boxId += ( segment * BOX_PER_SEG[part] + layer );

  return boxId;
}

// Return the id of a strip according its position
int MucIdTransform::GetStripId( int part, int segment, int layer, int strSubId )
{
  int strId = 0;
  int boxId = 0;

  boxId = GetBoxId( part, segment, layer );

  if( part == EEID ) {
    strId = boxId*E_STR_NUM + strSubId;
  }
  else if( part == BRID )
  {
    strId = STR_PER_PART[0];

    if( segment > B_TOP )
      strId += segment * B_STR_PER_SEG[0] + E_STR_NUM;
    else
      strId += segment * B_STR_PER_SEG[0];

    strId += ((1+layer)/2) * B_ZSTR_NUM;
    strId += (layer/2) * ( (segment == B_TOP)?B_TOPSTR_NUM:B_PHISTR_NUM );

    strId += strSubId;
  }
  else {
    strId = STR_PER_PART[0] + STR_PER_PART[1];
    strId += (boxId - BOX_SUM[1])*E_STR_NUM + strSubId;
  }

  return strId;
}

// Get the box posistion according to histogram pointer id of the box
bool MucIdTransform::SetBoxPos( int boxId, int* part, int* segment, int* layer )
{
  if( (boxId < 0) || (boxId > BOX_MAX-1) )
  {
    *part     = 0;
    *segment  = 0;
    *layer    = 0;
    cout << "box id out range:\t" << boxId << "!" << endl;
    return false;
  }

  // get part
  if( boxId < BOX_SUM[0] )       { *part = 0;                       }
  else if( boxId < BOX_SUM[1] )  { *part = 1; boxId -= BOX_SUM[0];  }
  else                           { *part = 2; boxId -= BOX_SUM[1];  }

  // get segment and layer
  if( *part == BRID ) {
    *segment  = boxId / B_LAY_NUM;
    *layer    = boxId % B_LAY_NUM;
  }
  else {
    *segment  = boxId / E_LAY_NUM;
    *layer    = boxId % E_LAY_NUM;
  }

  return true;
}       

// Get the strip posistion according to histogram pointer id of the strip
bool MucIdTransform::SetStripPos( int stripId, int *part, int *segment, int *layer, int *strSubId )
{
  if( (stripId < 0) || (stripId > STRIP_MAX-1) )
  {
    *part       = 0;
    *segment    = 0;
    *layer      = 0;
    *strSubId   = 0;
    cout << "strip id out range:\t" << stripId << "!" << endl;
    return false;
  }

  // get part
  if( stripId < STR_SUM[0] )       { *part = 0;                        }
  else if ( stripId < STR_SUM[1] ) { *part = 1; stripId -= STR_SUM[0]; }
  else                             { *part = 2; stripId -= STR_SUM[1]; }

  // get segment and layer
  if( *part == BRID )
  {
    int temp = 0;
    if ( stripId >= 2*B_STR_PER_SEG[0] && stripId < 2*B_STR_PER_SEG[0] + B_STR_PER_SEG[1] )
    {
      // get segment
      *segment = B_TOP;

      stripId -= 2*B_STR_PER_SEG[0];
      temp     = stripId % ( B_ZSTR_NUM + B_TOPSTR_NUM );

      // get layer
      if( temp < B_ZSTR_NUM ) *layer = 2*( stripId / ( B_ZSTR_NUM + B_TOPSTR_NUM ) );
      else                    *layer = 2*( stripId / ( B_ZSTR_NUM + B_TOPSTR_NUM ) ) + 1;

      // get strip
      if( temp < B_ZSTR_NUM ) *strSubId = temp;
      else                    *strSubId = temp - B_ZSTR_NUM;

    } // top segment
    else
    {
      if (stripId >= 2*B_STR_PER_SEG[0] + B_STR_PER_SEG[1] ) stripId -= E_STR_NUM;

      // get segment
      *segment = stripId / B_STR_PER_SEG[0];

      stripId %= B_STR_PER_SEG[0];
      temp     = stripId % ( B_ZSTR_NUM + B_PHISTR_NUM );

      // get layer
      if( temp < B_ZSTR_NUM ) *layer = 2*( stripId / ( B_ZSTR_NUM + B_PHISTR_NUM ) );
      else                    *layer = 2*( stripId / ( B_ZSTR_NUM + B_PHISTR_NUM ) ) + 1;

      // get strip
      if( temp < B_ZSTR_NUM ) *strSubId = temp;
      else                    *strSubId = temp - B_ZSTR_NUM;
    }
  } // barrel
  else
  {
    *strSubId   = stripId % E_STR_NUM;
    *layer      = ( stripId / E_STR_NUM ) % E_LAY_NUM ;
    *segment    = ( stripId / E_STR_NUM ) / E_LAY_NUM ;
  }
        
  return true;
}
   
// Show transform results
void MucIdTransform::Print( int mode )  
{
  if( mode == 0 ) // position to id
  {
    cout  << "prt: "   << m_Part
          << "\tseg: " << m_Segment
          << "\tlay: " << m_Layer
          << "\tstr: " << m_Strip 
          << "\tid: "  << m_Id << endl;         
  }
  else            // id to position
  {
    cout  << "id: "    << m_Id                  
          << "\tprt: " << m_Part
          << "\tseg: " << m_Segment
          << "\tlay: " << m_Layer
          << "\tstr: " << m_Strip << endl;
  }
}

//END

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