#meta full request: /GEOMETRY/main_HDDS.xml:110000:default:2023-01-24_16-42-50
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#meta created: 2023-01-24 16:42:50
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#PrimeX phase 3

#& xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE HDDS [

  <!ENTITY Regions_s SYSTEM "Regions_HDDS.xml">
  <!ENTITY Material_s SYSTEM "Material_HDDS.xml">
  <!ENTITY BeamLine_s SYSTEM "BeamLine_HDDS.xml">
  <!ENTITY PairSpect_s SYSTEM "PairSpect_HDDS.xml">
  <!ENTITY Target_s SYSTEM "Target_HDDS.xml"  >
  <!ENTITY Solenoid_s SYSTEM "Solenoid_HDDS.xml">
  <!ENTITY CentralDC_s SYSTEM "CentralDC_HDDS.xml">
  <!ENTITY ForwardDC_s SYSTEM "ForwardDC_HDDS.xml">
  <!ENTITY StartCntr_s SYSTEM "StartCntr_HDDS.xml">
  <!ENTITY ForwardTOF_s SYSTEM "ForwardTOF_HDDS.xml">
  <!ENTITY BarrelEMcal_s SYSTEM "BarrelEMcal_HDDS.xml">
  <!ENTITY GapEMcal_s SYSTEM "GapEMcal_HDDS.xml">
  <!ENTITY ForwardEMcal_s SYSTEM "ForwardEMcal_HDDS.xml">
  <!ENTITY CerenkovCntr_s SYSTEM "CerenkovCntr_HDDS.xml">
  <!ENTITY UpstreamEMveto_s SYSTEM "UpstreamEMveto_HDDS.xml">
  <!ENTITY ComptonEMcal_s SYSTEM "ComptonEMcal_HDDS.xml">
  <!-- ENTITY DIRC_s SYSTEM "DIRC_HDDS.xml" -->

]>

<!--
This file is a copy of the main_HDDS.xml file, and contains some
modifications needed for the PrimEx experiment:
- no magnetic field,
- remove DIRC, 
- updated position of the Compton Calorimeter
-->



<HDDS specification="v1.1" xmlns="http://www.gluex.org/hdds"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.gluex.org/hdds HDDS-1_1.xsd">

<!-- Include materials -->
     &Material_s;

<!-- Include magnetic fields -->
     &Regions_s;

<!-- Include spec files -->
     &ForwardEMcal_s;
     &BarrelEMcal_s;
     &GapEMcal_s;
     &ForwardTOF_s;
     &CerenkovCntr_s;
     &ForwardDC_s;
     &CentralDC_s;
     &StartCntr_s;
     &Target_s;
     &Solenoid_s;
     &BeamLine_s;
     &UpstreamEMveto_s;
     &PairSpect_s;     
     &ComptonEMcal_s;
<!-- End of include    -->


<!-- Hall D Detector Specification : top volume
     ******************************************
-->
<section name        = "HallD"
         version     = "3.2"
         date        = "2007-12-07"
         author      = "R.T. Jones"
         top_volume  = "SITE"
         specification = "v1.0">

  <box name="SITE" X_Y_Z="10000. 10000. 10000." material="Air"
       				comment="master volume for description" />
  <box name="HALL" X_Y_Z="1700. 1500. 3409." material="Air"
       				comment="master volume for description">
    <apply region="solenoidBfield" origin="150.0 -350.0 -500.0" /> 
  </box>

  <composition name="barrelPackage" envelope="LASS">
    <posXYZ volume="Solenoid" X_Y_Z="0.03 0.0 0.0"/>
    <posXYZ volume="Target" X_Y_Z="0.0 0.0 50.1812"/>
    <posXYZ volume="StartCntr" X_Y_Z="0.0 0.0 38.84"  rot="0.0 0.0 84.65"/>
    <posXYZ volume="CentralDC" X_Y_Z="0.0 0.0 17.68" rot="0.0 0.0 0.0" />
    <posXYZ volume="ForwardDC" X_Y_Z="0.0 0.0 176.938" />
    <!-- The origin of the BCAL below has to be changed because these offsets combined with
         these rotation angles lead to a lot of overlap with the FDC at the downstream end.
         A simple explanation for this discrepancy is that the x,y offsets were originally 
         given as the shift of the BCAL axis from the nominal beam axis at the geometric
         midplane of the BCAL. If that were the case then the overlap problems disappear,
         so I assume it is correct. The offsets x,y given here need to be the position of
         BCAL origin in the LASS coordinate system. The BCAL origin, as documented in the
         BarrelEMcal_HDDS.xml file, is the intersection of the BCAL symmetry axis with the
         plane that defines the upstream end of the sensitive volume of the modules.
         The shifted origin below translates the offset (0.1,-0.988) from the BCAL center
         to the upstream end, respecting the orientation angles in the rot argument. -->
    <!--posXYZ volume="BarrelEMcal" X_Y_Z="0.1 -0.098 16.788" rot="-0.0424 0.01633 0.0046" /-->
    <posXYZ volume="BarrelEMcal" X_Y_Z="0.0444 -0.2423 16.788" rot="-0.0424 0.01633 0.0046" />
  </composition>
  
  <composition name="forwardPackage">
    <!-- <posXYZ volume="CerenkovCntr" X_Y_Z="0.0 0.0 466.0" /> -->
    <!-- posXYZ volume="GapEMcal" X_Y_Z="0.0 0.0 460.0" /-->
    <!-- To simulate DIRC hits uncomment the line below -->
    <!-- <posXYZ volume="DIRC" X_Y_Z="0.0 0.0 595.600" /> -->
    <posXYZ volume="ForwardTOF" X_Y_Z="0.308 0.225 605.793" rot="-0.0427 0.0461 -0.1813"/>
    <posXYZ volume="ForwardEMcal" X_Y_Z="0.529 -0.002 624.906" rot="-0.0418 -0.07019 -0.0149" />
    <posXYZ volume="ComptonEMcal" X_Y_Z="-0.0225  0.0073  1279.376" />
  </composition>

  <composition name="backwardPackage">
    <posXYZ volume="UpstreamEMveto" X_Y_Z="0.0 0.0 -86.8" />
  </composition> 

  <composition name="GlueXdetector">
    <!--The following is the position of the entrance window of the target cell-->
    <!--posXYZ volume="Target" X_Y_Z="0.0 0.0 48.316" /> Moved the target to the LASS volume SJT 6/2/2016 -->
    <posXYZ volume="barrelPackage" />
    <posXYZ volume="forwardPackage" />
<!-- removed from standard geometry 12/11/2007 -rtj
    <posXYZ volume="backwardPackage" />
-->
  </composition>

  <composition name="experimentalHall" envelope="HALL">
    <posXYZ volume="GlueXdetector" X_Y_Z="150.0 -350.0 -500.0" />
    <posXYZ volume="PairSpectrometer" X_Y_Z="150.0 -350.0 -1390.16" />  
    <posXYZ volume="beamPipe" X_Y_Z="0.0 0.0 -0.5" />
    <posXYZ volume="SixWayCross" X_Y_Z="150 -350 -605.96"/>
  </composition>

  <composition name="LASSfieldVolume">
    <posXYZ volume="experimentalHall" X_Y_Z="-150.0 350.0 500.0" />
  </composition>

  <composition name="everything" envelope="SITE">
    <posXYZ volume="collimatorPackage" X_Y_Z="0.0 0.0 -2254.5" />
    <posXYZ volume="LASSfieldVolume" X_Y_Z="0. 0. 0." />
  </composition>

  <!-- The following elements describe an early rendition of the GlueX
       detector simulated using a fast Monte Carlo program MCFast.  They
       are retained for future reference, do not rely on their values. -->

  <mcfast model="detector" template="db/detector.db">
    <string name="name" value="GLUEX" />
    <string name="geom_id" value="CENTRAL" />
  </mcfast>

</section>

</HDDS>