import geometry example

• single crystal

Examples/options/SingleCrystal.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<lccdd>
+  <includes>
+    <gdmlFile  ref="${DD4hepINSTALL}/DDDetectors/compact/elements.xml"/>
+  </includes>
+
+  <materials>
+    <material name="Air" state="gas">
+      <MEE unit="eV" value="85.7"/>
+      <D unit="g/cm3" value="0.00120479"/>
+      <fraction n="0.000124000124000124" ref="C"/>
+      <fraction n="0.755267755267755" ref="N"/>
+      <fraction n="0.231781231781232" ref="O"/>
+      <fraction n="0.0128270128270128" ref="Ar"/>
+    </material>
+
+    <material name="Vacuum">
+    <D type="density" unit="g/cm3" value="0.0000000001" />
+    <fraction n="0.754" ref="N"/>
+    <fraction n="0.234" ref="O"/>
+    <fraction n="0.012" ref="Ar"/>
+    </material>
+
+    <material name="BGO" state="solid">
+      <MEE unit="eV" value="534.1"/>
+      <D value="7.13" unit="g/cm3" />
+      <fraction n="0.154126" ref="O"/>
+      <fraction n="0.174820" ref="Ge" />
+      <fraction n="0.671054" ref="Bi" />
+    </material>
+  </materials>
+
+  <define>
+    <include ref="${DD4hepINSTALL}/DDDetectors/compact/detector_types.xml"/>
+    <constant name="DetID_LCAL"         value=" 24"/>
+    <constant name="world_x" value="10*m"/>
+    <constant name="world_y" value="10*m"/>
+    <constant name="world_z" value="10*m"/>
+  </define>
+
+  <limits>
+    <limitset name="cal_limits">
+      <limit name="step_length_max" particles="*" value="5.0" unit="mm" />
+    </limitset>
+  </limits>
+
+  <display>
+    <vis name="SeeThrough"       alpha="0.0" r="0.0" g="0.0"  b="0.0"   showDaughters="true"  visible="false"/>
+    <vis name="GrayVis"          alpha="1.0" r="0.5" g="0.5"  b="0.5"   showDaughters="true"  visible="true"/>
+  </display>
+
+  <detectors>
+    <detector id="DetID_LCAL" name="SingleCrystal" type="SingleCrystalCalorimeter_v01" readout="EcalBarrelCollection" vis="SeeThrough" sensitive="true" limit="cal_limits">
+      <envelope>
+        <shape type="Cone" rmin1="1000*mm" rmax1="2000*mm" rmin2="1000*mm" rmax2="2000*mm" z="1000*mm" material="Air" >
+          <position x="0" y="0" z="0"/>
+          <rotation x="0" y="0" z="0" />
+        </shape>
+      </envelope>
+
+      <type_flags type="DetType_CALORIMETER"/>
+
+      <sensitive type="calorimeter"/>
+      
+      <crystal id="0" dx="1*cm" dy="1*cm" dz="20*cm" material="BGO" vis="GrayVis">
+	<position x="1500*mm" y="0" z="0"/>
+	<rotation x="0" y="90*deg" z="0" />
+      </crystal>
+
+    </detector>
+  </detectors>
+  
+  <readouts>
+    <readout name="EcalBarrelCollection">
+      <id>system:5,crystal:16</id>
+    </readout>
+  </readouts>
+
+  <fields>
+    <field name="InnerSolenoid" type="solenoid"
+           inner_field="3*tesla"
+           outer_field="-1"
+           zmax="3*m"
+           inner_radius="3*m"
+           outer_radius="5*m">
+    </field>
+  </fields>
+
+</lccdd>