MucAbsorber.cxx

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//------------------------------------------------------------------------------|
//      [File  ]:                       MucAbsorber.cxx                         |
//      [Brief ]:       MUC geometry yoke creating class                        |
//      [Author]:       Xie Yuguang, <[email protected]>                    |
//      [Date  ]:       May 22, 2005                                            |
//------------------------------------------------------------------------------|
 
#include <iostream>
#include <cmath>
 
#include "MucGeoCreateAlg/MucGeoConst.h"
#include "MucGeoCreateAlg/MucAbsorber.h"
 
using namespace std;
 
// Constructor
MucAbsorber::MucAbsorber( int part, int segment, int layer, int id ) : MucEntity( part, segment, layer, id )
{
  MucAbsorber::Init();
}
 
// Copy constructor     
MucAbsorber::MucAbsorber( const MucAbsorber &other ) : MucEntity( other ) { ; }
 
// Operator =
MucAbsorber& MucAbsorber::operator =( const MucAbsorber &other )
{
  if( this == &other) return *this;
  MucEntity::operator =(other);
  return *this;
}
 
// Destructor
MucAbsorber::~MucAbsorber() { ; }
        
// Initialize
void MucAbsorber::Init()
{
  SetTheta();
  SetRin();
  SetRout();
  SetRc();
  
  SetThin();
  SetW(); 
  SetWu();
  SetWd();
  SetH();
  SetL();
  SetLocOrgInBes();
  SetObjRotToMot();
  SetObjOrgInBes();
  SetObjOrgInLoc();
}
 
// -------------------------- Set motheds -------------------
void MucAbsorber::SetTheta()
{
  if( m_Part == BRID )
    m_Theta = m_Segment * ( MUC_PI/4.0 );
  else {
    if( m_ID == -1 )  m_Theta = ( 2*m_Segment + 1 ) * ( MUC_PI/4.0 );
    else              m_Theta = ( MUC_PI/4.0 ) + ( m_ID - 1) * MUC_PI / 8.0 ;
  }
}
 
void MucAbsorber::SetRin()
{
  if( m_Part == BRID )
    m_Rin = B_AS_RMIN[m_Layer];
  else {
    if( m_ID == -1 )  m_Rin = 0.0;
    else              m_Rin = E_AS_RMIN[m_Layer];
  }
}
 
void MucAbsorber::SetRout()
{
  if( m_Part == BRID )  m_Rout = B_AS_RMIN[m_Layer] + B_AS_TH[m_Layer] ;
  else                  m_Rout = E_AS_RMAX;
}
 
void MucAbsorber::SetRc()
{
  if( m_Part == BRID )
    m_Rc = B_AS_RMIN[m_Layer] + B_AS_TH[m_Layer]/2.0;
  else {
    if( m_ID == -1 )  m_Rc = sqrt(2.0) * E_AS_RMAX / 2.0;
    else              m_Rc = (m_Rin + m_Rout)/2.0;
  }
}
 
void MucAbsorber::SetThin()
{
  if( m_Part == BRID )  m_Thin = B_AS_TH[m_Layer];
  else                  m_Thin = E_AS_TH[m_Layer];
}
 
void MucAbsorber::SetW()
{
  if( m_Part == BRID)
    m_W = 2.0 * VALUE * m_Rout;
  else 
  {
    if( m_ID == -1 )  // temporary local 
      m_W = E_AS_RMAX;
    else
      m_W = 0;
  }
}
 
void MucAbsorber::SetH()
{
  if( m_Part == BRID )
    m_H = B_AS_TH[m_Layer];
  else
  {
    if( m_ID == -1 )  // temporary local
      m_H = E_AS_RMAX;
    else
      m_H = E_AS_RMAX - E_AS_RMIN[m_Layer];
  }
}
 
void MucAbsorber::SetL()
{
  if( m_Part == BRID )  m_L = B_AS_LMAX;
  else                  m_L = E_AS_TH[m_Layer];
}
 
void MucAbsorber::SetWu()
{
  if( m_Part == BRID )
    m_Wu = 2 * VALUE * m_Rin;
  else
  {
    if( m_ID == -1 )      // temporary local
      m_Wu = m_W;
    else if( m_ID == 1 )  // center panel 
      m_Wu = 2 * VALUE * m_Rin;
    else
      m_Wu = VALUE * m_Rin;
  }
  
  m_Wu -= 0.8;  //mm, avoid overlaping
}
 
void MucAbsorber::SetWd()
{
  if( m_Part == BRID )
    m_Wd = 2.0 * VALUE * m_Rout;
  else
  {
    if( m_ID == -1 )  // temporary local
      m_Wd = m_W;
    if( m_ID == 1 )   // center panel 
      m_Wd = 2.0 * VALUE * E_AS_RMAX;
    else
      m_Wd = VALUE * E_AS_RMAX;
  }
  
  m_Wd -= 0.8;  //mm, avoid overlaping
}
 
void MucAbsorber::SetLocOrgInBes()
{
  double x, y, z;
  x = y = z = 0.0;
  
  //---------- set x and y --------
  if( m_Part == BRID || m_ID == -1 )  // the local(mother) in BES
  { 
    x = m_Rc * cos( m_Theta );
    y = m_Rc * sin( m_Theta );
  } // barrel
  else  // for endcap panel, calculate the origin of temporary local in BES
  { 
    // set x and y  
    double tempR, tempTheta;
    tempR = sqrt(2.0) * E_AS_RMAX / 2.0;
    tempTheta = ( 2*m_Segment + 1 ) * ( MUC_PI / 4.0 );
    
    x = tempR * cos( tempTheta );
    y = tempR * sin( tempTheta );
  }// endcap
  
  //---------- set z  -----------   
  if( m_Part == BRID ) z = 0.;
  else
  {
    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 ) - m_Thin/2.0;  
    z *= cos( m_Part*MUC_PI/2.0 );
  }
  
  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 MucAbsorber::SetObjRotToMot()
{
  m_ObjRotToMot[0] = 0.;
  m_ObjRotToMot[1] = 0.;
  
  if( m_Part == BRID )
    m_ObjRotToMot[2] = MUC_PI * (m_Segment - 2) / 4.0;
  else
    m_ObjRotToMot[2] = 0.;
}
 
void MucAbsorber::SetObjOrgInBes()
{
  double x, y;
  
  if( m_Part == BRID || m_ID == -1 ) // object is concided with local
  {
    m_ObjOrgInBes[0] = m_LocOrgInBes[0];
    m_ObjOrgInBes[1] = m_LocOrgInBes[1];
    m_ObjOrgInBes[2] = m_LocOrgInBes[2];
  } // local        
  else 
  {
    //-------- set x and y ------------  
    // endcap panels
    // setting segment 0 as reference 
    if( m_ID == 0 )
    {
      x = m_Rc;
      y = m_Rc * tan( m_Theta ) / 2.0;
    } else if ( m_ID ==1 )
    {
      x = m_Rc * cos( m_Theta );
      y = m_Rc * sin( m_Theta );    
    } else // m_ID == 2
    {
      x = m_Rc / tan( m_Theta ) / 2.0;
      y = m_Rc;
    }
        
    // 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;         }
    
    m_ObjOrgInBes[0] = x;
    m_ObjOrgInBes[1] = y;
    
    // limit cut
    for( int i=0; i<2; i++ ) {
      if( fabs(m_ObjOrgInBes[i]) < ERR_LIMIT ) m_ObjOrgInBes[i] = 0;
    }
    
    //---------- set z--------------
    m_ObjOrgInBes[2] = m_LocOrgInBes[2];
  
  } // else, endcap panels
}
 
void MucAbsorber::SetObjOrgInLoc()
{
  if( m_Part == BRID || m_ID == -1 )  // for barrel and endcap local
    for(int i=0; i<3; i++) m_ObjOrgInLoc[i] = 0.;
  else  // for endcap panels
    for(int i=0; i<3; i++) m_ObjOrgInLoc[i] = m_ObjOrgInBes[i] - m_LocOrgInBes[i];
}
 
// END