MucRpc.cxx

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//------------------------------------------------------------------------------|
//      [File  ]:                       MucRpc.cxx                              |
//      [Brief ]:       MUC geometry RPC creating class                         |
//      [Author]:       Xie Yuguang, <[email protected]>                    |
//      [Date  ]:       May 22, 2005                                            |
//------------------------------------------------------------------------------|
 
#include <iostream>
#include <cmath>
 
#include "MucGeoCreateAlg/MucGeoConst.h"
#include "MucGeoCreateAlg/MucRpc.h"
 
using namespace std;
 
// Constructor
MucRpc::MucRpc( int part, int segment, int layer, int upDown, int id ) 
  : MucEntity( part, segment, layer, upDown, id )
{
  MucRpc::Init();
  m_MucGas      = NULL;
  m_MucBakelite = NULL;
}
 
// Copy constructor     
MucRpc::MucRpc( const MucRpc &other ) : MucEntity( other )
{
  m_Phi         = other.m_Phi;
  m_MucGas      = other.m_MucGas;
  m_MucBakelite = other.m_MucBakelite;
}
 
// Operator =
MucRpc& MucRpc::operator =( const MucRpc &other )
{
  if( this == &other) return *this;
  MucEntity::operator =(other);
  m_Phi         = other.m_Phi;  
  m_MucGas      = other.m_MucGas;
  m_MucBakelite = other.m_MucBakelite;
  
  return *this; 
}
 
// Destructor
MucRpc::~MucRpc()
{   
  delete m_MucGas;
  delete m_MucBakelite;
}
 
// Initialize
void MucRpc::Init()
{
  SetPhi();
  SetTheta();
  SetRin();
  SetRout();
  SetRc();
  
  SetThin();
  SetW();
  SetWu();
  SetWd();
  SetH();
  SetL();
    
  SetEndcapRpcInBes();
  SetBarrelRpcInLoc();
  
  SetLocOrgInBes();
  SetObjOrgInBes();
  SetObjOrgInLoc();
}
        
// -------------------------- Get methods ----------------------------
double MucRpc::GetPhi() { return m_Phi; }
 
MucGas* MucRpc::GetGas()
{
  if( m_MucGas != NULL )    delete m_MucGas;
  return ( m_MucGas = new MucGas( m_Part, m_Segment, m_Layer, m_UpDown, m_ID, 0 ) );
}
 
MucBakelite* MucRpc::GetBakelite( int id )
{
  if( m_MucBakelite != NULL )  delete m_MucBakelite;
  return ( m_MucBakelite = new MucBakelite( m_Part, m_Segment, m_Layer, m_UpDown, m_RpcId, id ) );
}
 
// ---------------------------Set motheds -----------------------------
void MucRpc::SetPhi()
{
  if( m_Part == BRID )  m_Phi = B_PHI[m_Segment] * (MUC_PI/4.0);
  else                  m_Phi = 0.;
}
 
void MucRpc::SetTheta()
{
  if( m_Part == BRID )  m_Theta = m_Segment * ( MUC_PI/4.0 );
  else
  {
    if( m_UpDown == SL_UP )
      m_Theta = ( MUC_PI/4.0 ) + ( 1 - m_ID ) * MUC_PI / 8.0 ;
    else
    {   
      if( m_ID < 2 )        // RPC NO.1 and NO.2
        m_Theta = ( MUC_PI/4.0 ) + MUC_PI / 8.0 ;
      else if ( m_ID == 2 ) // center RPC, NO.3
        m_Theta = ( MUC_PI/4.0 ) ;
      else  
        m_Theta = ( MUC_PI/4.0 ) - MUC_PI / 8.0 ;
    }
  }
}
 
void MucRpc::SetRin()
{
  if( m_Part == BRID )
    m_Rin = B_AS_RMIN[m_Layer] - AS_GAP / 2.0 + ( 1-2*m_UpDown ) * (STR_TH / 2.0 + m_UpDown*RPC_TH);
  else
    m_Rin = E_GP_RMIN[m_Layer] + E_STRPLN_DR + (1-m_UpDown)*RPC_SL_OFFSET;
}
 
void MucRpc::SetRout()
{
  if( m_Part == BRID )
    m_Rout = B_AS_RMIN[m_Layer] - AS_GAP / 2.0 + ( 1-2*m_UpDown )*( STR_TH / 2.0 + (1-m_UpDown)*RPC_TH );
  else
    m_Rout = E_AS_RMAX - E_BOX_DR - E_STRPLN_DB[(m_Layer==0)?0:1] + (m_UpDown-1)*RPC_SL_OFFSET;
}
 
void MucRpc::SetRc()
{
  m_Rc = (m_Rin + m_Rout)/2.0;
}
 
void MucRpc::SetThin()
{
  m_Thin = RPC_TH;
}
 
void MucRpc::SetW()
{
  if( m_Part == BRID)
  {
    if( m_Segment == B_TOP && m_ID < 2 )  // the first 2 RPCs in top segment
    {
      if( (m_Layer+1)%2 == 1 )  // odd layer
        m_W = (B_BOX_WT[m_Layer] - 2*B_BOX_DT[m_UpDown] - 2*B_BOX_DZ[m_UpDown] - B_BOX_SLOT_WT)/2.0;
      else                      // even layer
        m_W = (B_BOX_WT[m_Layer] - 4*B_BOX_DZ[m_UpDown] - B_BOX_SLOT_WT)/2.0;
    }   
    else                                  // other RPCs
    {
      if( (m_Layer+1)%2 ==1 ) // odd layer
        m_W = B_BOX_WT[m_Layer] - 2 * B_BOX_DT[m_UpDown];
      else                    // even layer
        m_W = B_BOX_WT[m_Layer] - 2 * B_BOX_DZ[m_UpDown];
    }   
  } // end barrel
  else
  {
    if( m_UpDown == SL_UP ) // up super layer RPCs
    {
      if( m_ID == 0 )
        m_W = VALUE * m_Rc - E_GP_DX - E_STRPLN_DA - RPC_SL_OFFSET;
      else if( m_ID == 1 )
        m_W = VALUE * m_Rc * 2.0;
      else
        m_W = VALUE * m_Rc - E_GP_DY - E_STRPLN_DA - RPC_SL_OFFSET;
    }
    else // down super layer RPCs
    {
      if( m_ID == 0 )
        m_W = VALUE * m_Rc - E_GP_DX - E_STRPLN_DA;
      else if( m_ID == 1 || m_ID == 3 ) 
        m_W = VALUE * (m_Rc - m_Rin);
      else if( m_ID == 2 )
        m_W = VALUE * m_Rin * 2.0;
      else 
        m_W = VALUE * m_Rc - E_GP_DY - E_STRPLN_DA; 
    }
  } // else, endcap
    
  // cut rpc chamber death edge
  if( m_Part == BRID )
    m_W -= OVERLAP_WIDTH * 2.0;
  else
  {
    if( m_UpDown == SL_UP ) {
      if( m_ID == 1 ) m_W -= OVERLAP_WIDTH * 2.0; // center rpc
      else            m_W -= ( 1 + 1.0/cos(MUC_PI/8.0) ) * OVERLAP_WIDTH;
    }
    else
    {
      if( m_ID == 2 ) // center rpc
        m_W -= OVERLAP_WIDTH * 2.0; 
      else            // DOWN 0,1,3,4 RPC
        m_W -= OVERLAP_WIDTH;
    }
  }
}
 
void MucRpc::SetH()
{
  if( m_Part == BRID )  m_H = RPC_TH;
  else                  m_H = m_Rout - m_Rin;
}
 
void MucRpc::SetL()
{
  if( m_Part == BRID ) // barrel
  {
    if( m_Segment != B_TOP ) // not top segment
    {
      if( (m_UpDown == SL_UP && m_ID == 3 ) || (m_UpDown == SL_DOWN && m_ID == 0 ) )
      {
        if( m_Layer != 1 ) // not layer NO. 2
          m_L = B_BOX_LT - 2*B_BOX_DZ[m_UpDown] - 3*B_RPC_LTN;
        else
          m_L = B_BOX_LT - 2*B_BOX_DZ[m_UpDown] - 3*B_RPC_LTS;
      }
      else
      {
        if( m_Layer != 1 ) // not layer NO. 2
          m_L = B_RPC_LTN;
        else
          m_L = B_RPC_LTS;          
      }
    }
    else // top segment
    {
      if( m_ID < 2 ) // first two RPCs
      {
        if( m_Layer == 0 ) // the first layer
          m_L = B_TOPRPC_LTS[1];
        else
          m_L = B_TOPRPC_LTS[m_Layer%2];
      }
      else if( (m_UpDown == SL_UP && m_ID == 4 ) || (m_UpDown == SL_DOWN && m_ID == 2 ) )
      {
        if( m_Layer == 0 ) // the first layer
          m_L = B_BOX_LT - B_TOPRPC_LTS[1] - 2*(B_BOX_DZ[m_UpDown] + B_TOPRPC_LTN);
        else
          m_L = B_BOX_LT - B_TOPRPC_LTS[m_Layer%2] - 2*(B_BOX_DZ[m_UpDown] + B_TOPRPC_LTN);     
      }
      else
        m_L = B_TOPRPC_LTN;
    } // end top segment
    
    m_L -= OVERLAP_WIDTH * 2.0; // cut rpc chamber death edge
  
  } // end barrel
  else  m_L = RPC_TH;
}
 
void MucRpc::SetWu()
{
  if( m_Part == BRID )  m_Wu = m_W;
  else
  {
    if( m_UpDown == SL_UP )
    {
      if( m_ID == 0 )
        m_Wu = VALUE * m_Rin - E_GP_DX - E_STRPLN_DA - RPC_SL_OFFSET;
      else if( m_ID == 1 )
        m_Wu = VALUE * m_Rin * 2.0;
      else 
        m_Wu = VALUE * m_Rin - E_GP_DY - E_STRPLN_DA - RPC_SL_OFFSET;
    }
    else
    {
      if( m_ID == 0 )
        m_Wu = VALUE * m_Rin - E_GP_DX - E_STRPLN_DA;
      else if( m_ID == 1 || m_ID == 3 )
        m_Wu = 0.;
      else if( m_ID == 2 )
        m_Wu = VALUE * m_Rin * 2.0;
      else
        m_Wu = VALUE * m_Rin - E_GP_DY - E_STRPLN_DA;           
    }
    
    // cut rpc chamber death edge
    if( m_Wu > 0.0 ) // except for DOWN 1, 3 RPC 
    {
      if( m_UpDown == SL_UP ) {
        if( m_ID == 1 ) m_Wu += 2.0*OVERLAP_WIDTH *(sin(BETA)-1)/cos(BETA); // center rpc
        else            m_Wu -= ( 1 + 1.0/cos(BETA) ) * OVERLAP_WIDTH;
      }
      else
        m_Wu -= 1.5*OVERLAP_WIDTH;
    }
  }
}
 
void MucRpc::SetWd()
{
  if( m_Part == BRID )  m_Wd = m_W;
  else
  { 
    if( m_UpDown == SL_UP )
    {
      if( m_ID == 0 )
        m_Wd = VALUE * m_Rout - E_GP_DX - E_STRPLN_DA - RPC_SL_OFFSET;
      else if( m_ID == 1 )
        m_Wd = VALUE * m_Rout * 2.0;
      else
        m_Wd = VALUE * m_Rout - E_GP_DY - E_STRPLN_DA - RPC_SL_OFFSET;
    }
    else
    {
      switch( m_ID )
      {
        case 0:
                m_Wd = VALUE * m_Rout - E_GP_DX - E_STRPLN_DA;
                break;
        case 1:
        case 3:
                m_Wd = VALUE * ( m_Rout - m_Rin );
                break;
        case 2:
                m_Wd = 2 * VALUE * m_Rin;
                break;
        case 4:
                m_Wd = VALUE * m_Rout - E_GP_DY - E_STRPLN_DA;
                break;
        default: ;
      }
    }
        
    // cut rpc chamber death edge
    if( m_UpDown == SL_UP ) {
      if( m_ID == 1 ) m_Wd -= 2.0*OVERLAP_WIDTH*(sin(BETA)+1)/cos(BETA); // center rpc
      else            m_Wd -= ( 1 + 1.0/cos(BETA) ) * OVERLAP_WIDTH;
    }
    else {
      if( m_ID ==0 || m_ID == 4 )
      // m_Wd -= 2.0*OVERLAP_WIDTH*(sin(BETA)-1)/cos(BETA);
      m_Wd -= 1.5*OVERLAP_WIDTH;
    }
  }
}
 
int MucRpc::SetEndcapRpcInBes()
{
  if( m_Part == BRID )  return 0;
  else
  {
    double x, y, z;
    x = y = z = 0.;
    
    // -----------------set x and y -----------------
    if( m_UpDown == SL_UP ) // up super layer
    {
      if( m_ID == 0 ) {
        x = ( VALUE * m_Rc + E_GP_DX + E_STRPLN_DA + RPC_SL_OFFSET ) / 2.0;
        y = m_Rc;  
      }
      else if( m_ID == 1 ) {
        x = m_Rc * cos( m_Theta );
        y = m_Rc * sin( m_Theta );
      }
      else {
        x = m_Rc;
        y = ( VALUE * m_Rc + E_GP_DY + E_STRPLN_DA + RPC_SL_OFFSET ) / 2.0; 
      }
    }
    else    // down super layer
    {
      if( m_ID == 0 ) {
        x = ( VALUE * m_Rc + E_GP_DX + E_STRPLN_DA )/2.0 + OVERLAP_WIDTH/2.0;
        y = m_Rc; 
      }
      else if( m_ID == 1 ) {
        x = VALUE * m_Rc + sin(MUC_PI/4.0)*m_Wd/4.0;
        // x += OVERLAP_WIDTH * ( 3 - 2*sqrt(2.0) )/4.0;
        y = m_Rc - cos(MUC_PI/4.0)*m_Wd/4.0;
        // y += OVERLAP_WIDTH * ( 1 + 4.0/sqrt(2.0) )/4.0;
      }
      else if( m_ID == 2 ) {
        x = m_Rc * cos( MUC_PI/4.0 );
        y = m_Rc * sin( MUC_PI/4.0 );
      }
      else if( m_ID == 3 ) {
        x = m_Rc - cos(MUC_PI/4.0)*m_Wd/4.0;
        // x += OVERLAP_WIDTH * ( 1 + 4.0/sqrt(2.0) )/4.0;
        y = VALUE * m_Rc + sin(MUC_PI/4.0)*m_Wd/4.0;
        // y += OVERLAP_WIDTH * ( 3 - 2*sqrt(2.0) )/4.0;
      }
      else {
        x = m_Rc;
        y = ( VALUE * m_Rc + E_GP_DY + E_STRPLN_DA )/2.0 + OVERLAP_WIDTH/2.0;
      }
    } // End down super layer
 
    // x, y signs of coordinate different by segment 
    if      ( m_Segment == 0 )  { ;               }
    else if ( m_Segment == 1 )  { x = -x;         }
    else if ( m_Segment == 2 )  { x = -x; y = -y; }
    else                        { y = -y;         }
    
    //-------------- set z -----------------------------
    for( int i=0; i<m_Layer+1; i++ ) z += E_AS_TH[i];
    
    z += m_Layer * AS_GAP;
    z += ( (E_AS_ZMAX - E_AS_TOTAL_TH) + AS_GAP/2.0 );
    z += (1-2*m_UpDown) * (RPC_TH + STR_TH)/2.0 ;
    z *= cos( m_Part*MUC_PI/2.0 );
    
    m_ObjOrgInBes[0] = x;
    m_ObjOrgInBes[1] = y;
    m_ObjOrgInBes[2] = z;
    
    // limit cut
    for(int i=0;i<3;i++) 
      if( fabs(m_ObjOrgInBes[i]) < ERR_LIMIT ) m_ObjOrgInBes[i] = 0.;
    
  } // else, endcap
  
  return 0;
}
 
int MucRpc::SetBarrelRpcInLoc()
{
  if( m_Part != BRID )  return 0;
  else
  {
    double x, y, z;
    x = y = z = 0.;
    
    if( m_Segment != B_TOP ) // not top segment
    {
      //---------- set x--------
      x = 0.;
      
      //---------- set y--------
      y = (1-2*m_UpDown) * ( RPC_TH + STR_TH )/2.0;
      
      //---------- set z--------
      if( (m_UpDown == SL_UP && m_ID == 3) || (m_UpDown == SL_DOWN && m_ID == 0) )
      {
        if( m_Layer != 1 ) // not layer NO.2
          z = (2*m_UpDown - 1) * 3 * B_RPC_LTN / 2.0;
        else
          z = (2*m_UpDown - 1) * 3 * B_RPC_LTS / 2.0; 
      }
      else 
      { 
        if( m_Layer != 1) // not layer NO.2
        {
          if( m_UpDown == SL_UP )
            z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - (1+2*m_ID)*B_RPC_LTN/2.0;
          else
            z = -B_BOX_LT/2.0 + B_BOX_DZ[m_UpDown] + (1+2*(3-m_ID))*B_RPC_LTN/2.0;
        }
        else
        {
          if( m_UpDown == SL_UP )
            z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - (1+2*m_ID)*B_RPC_LTS/2.0;
          else
            z = -B_BOX_LT/2.0 + B_BOX_DZ[m_UpDown] + (1+2*(3-m_ID))*B_RPC_LTS/2.0;  
        }
      }
    }
    else // top segment
    {
      //---------- set x--------
      if( m_ID > 1 )
      x = 0.;
      else
      x = (1-2*m_ID) * ( (B_BOX_WT[m_Layer] + B_BOX_SLOT_WT)/4.0 + (B_BOX_DZ[m_UpDown]-B_BOX_DT[m_UpDown])/2.0 ); 
      
      //---------- set y--------
      y = (1-2*m_UpDown) * ( RPC_TH + STR_TH )/2.0;
      
      //---------- set z--------
      if( m_UpDown == SL_UP )
      {
        switch( m_ID )
        {
          case 0:
          case 1:
            if( m_Layer == 0 )
              z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[1]/2.0;
            else
              z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[m_Layer%2]/2.0;
            break;
          case 2:
          case 3:
            if( m_Layer == 0 )
              z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[1] +  (3-2*m_ID)*B_RPC_LTN/2.0;
            else
              z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[m_Layer%2] + (3-2*m_ID)*B_RPC_LTN/2.0;           
            break;
          case 4:
            if( m_Layer == 0 )
              z = -B_RPC_LTN - B_TOPRPC_LTS[1]/2.0;
            else
              z = -B_RPC_LTN - B_TOPRPC_LTS[m_Layer%2]/2.0;
            break;
          default: ;
        }
      }else // down super layer
      {
        switch( m_ID )
        {
          case 0: ;
          case 1:
                  if( m_Layer == 0 )
                    z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[1]/2.0;
                  else
                    z = B_BOX_LT/2.0 - B_BOX_DZ[m_UpDown] - B_TOPRPC_LTS[m_Layer%2]/2.0;
                  break;
          case 2:
                  if( m_Layer == 0 )
                    z = B_RPC_LTN - B_TOPRPC_LTS[1]/2.0;
                  else
                    z = B_RPC_LTN - B_TOPRPC_LTS[m_Layer%2]/2.0;
                  break;
          case 3:
          case 4:
                  z = -B_BOX_LT/2.0 + B_BOX_DZ[m_UpDown] + (1+2*(4-m_ID))*B_RPC_LTN/2.0;
                  break;
          default:;
        }
      } // else, down super layer
    } // else, top segment
    
    m_ObjOrgInLoc[0] = x;
    m_ObjOrgInLoc[1] = y;
    m_ObjOrgInLoc[2] = z;
    
    // limit cut
    for(int i=0;i<3;i++) 
      if( fabs(m_ObjOrgInLoc[i]) < ERR_LIMIT ) m_ObjOrgInLoc[i] = 0.;
    
  } // else, barrel
  
  return 0;
}
 
// Set local( box ) in BES CS
void MucRpc::SetLocOrgInBes()
{
  double x, y, z;
  x = y = z = 0.;
  
  if( m_Part == BRID )
  {
    x = (B_AS_RMIN[m_Layer] - AS_GAP/2.0) * cos( m_Theta );
    y = (B_AS_RMIN[m_Layer] - AS_GAP/2.0) * sin( m_Theta );
    z = 0.;
  } // barrel
  else
  {
    //-------------- set x and y ----------------------
    // segment 0 as reference
    x = (E_AS_RMAX - E_BOX_DR + E_GP_DX) / 2.0;
    y = (E_AS_RMAX - E_BOX_DR + E_GP_DY) / 2.0;         
    
    // x, y signs of coordinate different by segment 
    if      ( m_Segment == 0 )  { ;               }
    else if ( m_Segment == 1 )  { x = -x;         }
    else if ( m_Segment == 2 )  { x = -x; y = -y; }
    else                        { y = -y;         }
    
    //-------------- set z -----------------------------
    for( int i=0; i<m_Layer+1; i++ ) z += E_AS_TH[i];
    
    z += m_Layer * AS_GAP;
    z += ( (E_AS_ZMAX - E_AS_TOTAL_TH) + AS_GAP/2.0 );
    z *= cos( m_Part*MUC_PI/2.0 );
  }// endcap
  
  m_LocOrgInBes[0] = x;
  m_LocOrgInBes[1] = y;
  m_LocOrgInBes[2] = z;
  
  // limit cut
  for(int i=0;i<3;i++) 
    if( fabs(m_LocOrgInBes[i]) < ERR_LIMIT ) m_LocOrgInBes[i] = 0.;
}
 
void MucRpc::SetObjOrgInBes()
{
  if( m_Part == BRID )
  {
    MucEntity::TransLocToBes( m_ObjOrgInBes, m_ObjOrgInLoc, m_LocOrgInBes, m_Phi );    
    // limit cut
    for(int i=0;i<3;i++) 
      if( fabs(m_ObjOrgInBes[i]) < ERR_LIMIT ) m_ObjOrgInBes[i] = 0.;    
  }
}
 
void MucRpc::SetObjOrgInLoc()
{
  if( m_Part != BRID )
  {
    MucEntity::TransBesToLoc( m_ObjOrgInLoc, m_ObjOrgInBes, m_LocOrgInBes, m_Phi );
    // limit cut
    for(int i=0;i<3;i++) 
      if( fabs(m_ObjOrgInLoc[i]) < ERR_LIMIT ) m_ObjOrgInLoc[i] = 0.;
  }
}
 
/*
void MucRpc::SetAlignment( double dx, double dy, double dz )
{
  if( m_Part == BRID || m_ID == -1 )
  {
    m_ObjOrgInLoc[0] += dx;
    m_ObjOrgInLoc[1] += dy;
    m_ObjOrgInLoc[2] += dz;
  }
}
*/
 
// END