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