AFP_GeoModelSID.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "AFP_GeoModelFactory.h"
#include "AFP_Geometry/AFP_Geometry.h"
#include "GaudiKernel/IService.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/MsgStream.h"
#include "AthenaKernel/getMessageSvc.h"
#include "GeoModelInterfaces/StoredMaterialManager.h"
#include "GeoModelKernel/GeoMaterial.h"
#include "GeoModelKernel/GeoBox.h"
#include "GeoModelKernel/GeoTube.h"
#include "GeoModelKernel/GeoTubs.h"
#include "GeoModelKernel/GeoShapeSubtraction.h"
#include "GeoModelKernel/GeoShapeIntersection.h"
#include "GeoModelKernel/GeoShapeUnion.h"
#include "GeoModelKernel/GeoShapeShift.h"
#include "GeoModelKernel/GeoLogVol.h"
#include "GeoModelKernel/GeoNameTag.h"
#include "GeoModelKernel/GeoPhysVol.h"
#include "GeoModelKernel/GeoFullPhysVol.h"
#include "GeoModelKernel/GeoTransform.h"
#include "GeoModelKernel/GeoAlignableTransform.h"
#include "GeoModelKernel/GeoDefinitions.h"
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Variable.hh"
#include "CLHEP/GenericFunctions/Sin.hh"
#include "CLHEP/GenericFunctions/Cos.hh"
 
#include "GeoPrimitives/CLHEPtoEigenConverter.h"
 
#include <cmath>
#include <cstdlib>
#include <format>
#include <fstream>
#include <iostream>
#include <string>
 
void AFP_GeoModelFactory::addSiDetector(GeoPhysVol* pPhysMotherVol, const char* pszStationName, HepGeom::Transform3D& TransInMotherVolume)
{
    std::string szLabel;
    const std::string pszStationNameStr{pszStationName};
    GeoLogVol* pLogElement=nullptr;
    GeoFullPhysVol* pPhysElement;
    eAFPStation eStation=m_pGeometry->parseStationName(pszStationName);
    AFP_SIDCONFIGURATION sidcfg=m_CfgParams.sidcfg[eStation];
    
    //create (constant) solids
    GeoShape* pSolidSIDPlate=createSolidSIDPlate();
    GeoShape* pSolidSIDSensor=new GeoBox(0.5*AFP_CONSTANTS::SiT_Pixel_length_totx,0.5*AFP_CONSTANTS::SiT_Pixel_length_toty,0.5*AFP_CONSTANTS::SiT_Pixel_thickness);
    GeoShape* pSolidSIDVacuumSensor=new GeoBox(0.5*180.0*CLHEP::mm,0.5*160.0*CLHEP::mm,0.5*AFP_CONSTANTS::Stat_GlobalVacuumSensorThickness);
 
    //add global vacuum sensitive volume (ID=11)
    int nSpecVacSensorID=AFP_CONSTANTS::Stat_GlobalVacuumSensorID;
    szLabel = std::format("{}_LogSIDVacuumSensor[{}]",pszStationName,nSpecVacSensorID);
    GeoLogVol* pLogSIDVacuumSensor=new GeoLogVol(szLabel,pSolidSIDVacuumSensor,m_MapMaterials[std::string("std::Vacuum")]);
    GeoFullPhysVol* pPhysSIDVacuumSensor=new GeoFullPhysVol(pLogSIDVacuumSensor);
    szLabel = std::format("{}_SIDVacuumSensor[{}]",pszStationName,nSpecVacSensorID);
    pPhysMotherVol->add(new GeoNameTag(szLabel));
    pPhysMotherVol->add(new GeoTransform(Amg::CLHEPTransformToEigen(m_pGeometry->getSIDTransform(ESTT_VACUUMSENSOR,pszStationNameStr,nSpecVacSensorID))));
    pPhysMotherVol->add(pPhysSIDVacuumSensor);
    
    
    for(int i=0;i<m_pGeometry->getSIDPlatesCnt(eStation);i++)
    {
        // create SID plate
        szLabel = std::format("{}_LogSIDPlate[{}]",pszStationName,i);
        pLogElement=new GeoLogVol(szLabel,pSolidSIDPlate,m_MapMaterials[std::string("CE7")]);
        pPhysElement=new GeoFullPhysVol(pLogElement);
        szLabel = std::format("{}_SIDPlate[{}]",pszStationName,i);
        pPhysMotherVol->add(new GeoNameTag(szLabel));
        pPhysMotherVol->add(new GeoTransform(Amg::CLHEPTransformToEigen(TransInMotherVolume*m_pGeometry->getSIDTransform(ESTT_PLATE,pszStationNameStr,i))));
        pPhysMotherVol->add(pPhysElement);
 
        // create SID chip
        GeoShape* pSolidFEI4Chip=new GeoBox(0.5*sidcfg.vecChipXLength[i],0.5*sidcfg.vecChipYLength[i],0.5*AFP_CONSTANTS::SiT_Chip_thickness);
        szLabel = std::format("{}_LogSIDChip[{}]",pszStationName,i);
        pLogElement=new GeoLogVol(szLabel,pSolidFEI4Chip,m_MapMaterials[std::string("CE7")]);
        pPhysElement=new GeoFullPhysVol(pLogElement);
        szLabel = std::format("{}_SIDChip[{}]",pszStationName,i);
        pPhysMotherVol->add(new GeoNameTag(szLabel));
        pPhysMotherVol->add(new GeoTransform(Amg::CLHEPTransformToEigen(TransInMotherVolume*m_pGeometry->getSIDTransform(ESTT_FEI4CHIP,pszStationNameStr,i))));
        pPhysMotherVol->add(pPhysElement);
 
        // create SID sensor (pixel area)
        szLabel = std::format("{}_LogSIDSensor[{}]",pszStationName,i);
        pLogElement=new GeoLogVol(szLabel,pSolidSIDSensor,m_MapMaterials[std::string("Silicon")]);
        pPhysElement=new GeoFullPhysVol(pLogElement);
        szLabel = std::format("{}_SIDSensor[{}]",pszStationName,i);
        pPhysMotherVol->add(new GeoNameTag(szLabel));
        pPhysMotherVol->add(new GeoTransform(Amg::CLHEPTransformToEigen(TransInMotherVolume*m_pGeometry->getSIDTransform(ESTT_SENSOR,pszStationNameStr,i))));
        pPhysMotherVol->add(pPhysElement);
        
        if(m_CfgParams.sidcfg[eStation].bAddVacuumSensors)
        {
            // create logic SID Vacuum Layer
            szLabel = std::format("{}_LogSIDVacuumSensor[{}]",pszStationName,i);
            GeoLogVol* pLogSIDVacuumSensor=new GeoLogVol(szLabel,pSolidSIDVacuumSensor,m_MapMaterials[std::string("std::Vacuum")]);
            GeoFullPhysVol* pPhysSIDVacuumSensor=new GeoFullPhysVol(pLogSIDVacuumSensor);
 
            szLabel = std::format("{}_SIDVacuumSensor[{}]",pszStationName,i);
            pPhysMotherVol->add(new GeoNameTag(szLabel));
            pPhysMotherVol->add(new GeoTransform(Amg::CLHEPTransformToEigen(m_pGeometry->getSIDTransform(ESTT_VACUUMSENSOR,pszStationNameStr,i))));
            pPhysMotherVol->add(pPhysSIDVacuumSensor);
        }
    }
}
 
 
GeoShape* AFP_GeoModelFactory::createSolidSIDPlate()
{
    MsgStream LogStream(Athena::getMessageSvc(), "AFP_GeoModelFactory::CreateSolidSIDPlate");
 
    double fdelta=0.01*CLHEP::mm;//0.01*CLHEP::mm;
 
    GeoBox* pMainPlate=new GeoBox(0.5*AFP_CONSTANTS::SiT_Plate_Main_length_x,0.5*AFP_CONSTANTS::SiT_Plate_Main_length_y,0.5*AFP_CONSTANTS::SiT_Plate_Main_thickness);
 
    //cut side edges
    double fd=std::sqrt(AFP_CONSTANTS::SiT_Plate_CutEdge_length_x*AFP_CONSTANTS::SiT_Plate_CutEdge_length_x+AFP_CONSTANTS::SiT_Plate_CutEdge_length_y*AFP_CONSTANTS::SiT_Plate_CutEdge_length_y);
    double falpha=std::atan(AFP_CONSTANTS::SiT_Plate_CutEdge_length_y/AFP_CONSTANTS::SiT_Plate_CutEdge_length_x);
    double fgamma=45.0*CLHEP::deg-falpha; double fbeta=90.0*CLHEP::deg-falpha;
 
    //--lower cut
    HepGeom::Vector3D<double> vecL=(fd/std::sqrt(2.0))*(HepGeom::RotateZ3D(-fgamma)*HepGeom::Vector3D<double>(1.0,0.0,0.0));
    HepGeom::Vector3D<double> vecB=AFP_CONSTANTS::SiT_Plate_CutEdge_length_x*HepGeom::Vector3D<double>(1.0,0.0,0.0);
    HepGeom::Vector3D<double> vecX=vecL-vecB;
    GeoBox* pPlateCut=new GeoBox(0.5*fd, 0.5*fd,0.5*(AFP_CONSTANTS::SiT_Plate_CutEdge_thickness+fdelta));
    HepGeom::Transform3D TransCut=HepGeom::Translate3D(vecX.x()+0.5*AFP_CONSTANTS::SiT_Plate_Main_length_x,vecX.y()-0.5*AFP_CONSTANTS::SiT_Plate_Main_length_y,0.0)*HepGeom::RotateZ3D(-fbeta);
    GeoShapeShift* pShiftCut=new GeoShapeShift(pPlateCut, Amg::CLHEPTransformToEigen(TransCut));
    GeoShapeSubtraction* pShape1=new GeoShapeSubtraction(pMainPlate, pShiftCut);
 
    //--upper cut
    vecL=(fd/std::sqrt(2.0))*(HepGeom::RotateZ3D(+fgamma)*HepGeom::Vector3D<double>(1.0,0.0,0.0));
    vecX=vecL-vecB;
    pPlateCut=new GeoBox(0.5*fd, 0.5*fd,0.5*(AFP_CONSTANTS::SiT_Plate_CutEdge_thickness+fdelta));
    TransCut=HepGeom::Translate3D(vecX.x()+0.5*AFP_CONSTANTS::SiT_Plate_Main_length_x,vecX.y()+0.5*AFP_CONSTANTS::SiT_Plate_Main_length_y,0.0)*HepGeom::RotateZ3D(+fbeta);
    pShiftCut=new GeoShapeShift(pPlateCut,Amg::CLHEPTransformToEigen(TransCut));
    GeoShapeSubtraction* pShape2=new GeoShapeSubtraction(pShape1, pShiftCut);
 
    //cut sensitive area
    pPlateCut=new GeoBox(0.5*(AFP_CONSTANTS::SiT_Plate_Window_length_x+fdelta),0.5*AFP_CONSTANTS::SiT_Plate_Window_length_y,0.5*AFP_CONSTANTS::SiT_Plate_Window_thickness);
    TransCut=HepGeom::Translate3D(AFP_CONSTANTS::SiT_Plate_Window_x+fdelta,AFP_CONSTANTS::SiT_Plate_Window_y,-(0.5*AFP_CONSTANTS::SiT_Plate_Main_thickness-0.5*AFP_CONSTANTS::SiT_Plate_Window_thickness));
    pShiftCut=new GeoShapeShift(pPlateCut,Amg::CLHEPTransformToEigen(TransCut));
    GeoShapeSubtraction* pShape3=new GeoShapeSubtraction(pShape2, pShiftCut);
 
    return pShape3;
}