add the following compact files to the IDEA_o1_v03 folder: Solenoid_o…

…1_v01.xml, EndPlateAbsorber_o1_v01.xml

FCCee/IDEA/compact/IDEA_o1_v03/EndPlateAbsorber_o1_v01.xml

@@ -0,0 +1,21 @@
+<lccdd>
+
+  <info name="EndPlateAbsorber" title="EndPlateAbsorber" status="development" version="$Id: $">
+    <comment>
+      Endcap plate absorber to mimic the material budget from the solenoid (0.75 X0) present only in the barrel and start the showers.
+    </comment>
+  </info>
+
+  <detectors>
+
+    <detector name="EndPlateAbsorber_positive" type="SimpleCylinder_o1_v01" vis="muon_vis">
+      <dimensions rmin="EndPlateAbsorber_inner_radius" rmax="EndPlateAbsorber_outer_radius" dz="EndPlateAbsorber_z_half_length" z_offset = "EndPlateAbsorber_z_min + EndPlateAbsorber_z_half_length" material="Lead" phi0="0" deltaphi="360*deg" vis="muon_vis"/>
+    </detector>
+
+    <detector name="EndPlateAbsorber_negative" type="SimpleCylinder_o1_v01" vis="muon_vis">
+      <dimensions rmin="EndPlateAbsorber_inner_radius" rmax="EndPlateAbsorber_outer_radius" dz="EndPlateAbsorber_z_half_length" z_offset = "-1*(EndPlateAbsorber_z_min + EndPlateAbsorber_z_half_length)" material="Lead" phi0="0" deltaphi="360*deg" vis="muon_vis"/>
+    </detector>
+
+  </detectors>
+
+</lccdd>

FCCee/IDEA/compact/IDEA_o1_v03/Solenoid_o1_v01.xml

@@ -0,0 +1,50 @@
+<lccdd>
+  <info name="Solenoid" title="Solenoid" status="development" version="$Id: $">
+    <comment>
+      This is a solenoid place holder. It has the right spacial extent and overall accounts for the 0.75 X0 but its internals should be revised by ultra-thin magnet designers -->
+    </comment>
+  </info>
+
+  <define>
+      <constant name="SolenoidVacuumTank_thickness" value="5*mm"/>
+      <constant name="SolenoidCoil_thickness" value="16*mm"/>
+  </define>
+
+  <display>
+      <vis name="SolenoidBarrelLayerVis" alpha="1" r="0"    g="0.3"  b="0.3" showDaughters="false" visible="true"/>
+      <vis name="SolenoidCoilEndsVis"    alpha="1" r="0"    g="0.9"  b="0.9" showDaughters="false" visible="true"/>
+      <vis name="SolenoidVacuum"         alpha="0" r="1"    g="1"    b="1"   showDaughters="false" visible="true"/>
+  </display>
+
+  <detectors>
+
+      <detector name="Solenoid" type="DD4hep_SubdetectorAssembly" vis="SOLVis">
+          <shape type="Tube" rmin="Solenoid_inner_radius-2*env_safety" rmax="Solenoid_outer_radius+2*env_safety" dz="Solenoid_half_length+2*env_safety" material="Vacuum"/>
+          <composite name="SolenoidBarrel"/>
+          <composite name="SolenoidEndcaps"/>
+      </detector>
+
+      <detector name="SolenoidBarrel" type="DD4hep_Solenoid_o1_v01" id="0" reflect="true">
+          <type_flags type=" DetType_COIL"/>
+          <envelope vis="SOLVis">
+              <shape type="Assembly"/>
+          </envelope>
+          <layer id="1" inner_r="Solenoid_inner_radius" outer_z="Solenoid_half_length" vis="SolenoidBarrelLayerVis">
+              <slice material="Steel235" thickness="SolenoidVacuumTank_thickness"/>
+          </layer>
+          <layer id="2" inner_r="Solenoid_Coil_radius-SolenoidCoil_thickness/2.0" outer_z="Solenoid_Coil_half_length">
+              <slice material="Aluminum" thickness="SolenoidCoil_thickness" vis="SolenoidCoilEndsVis" />
+          </layer>
+          <layer id="3" inner_r="Solenoid_outer_radius-SolenoidVacuumTank_thickness" outer_z="Solenoid_half_length" vis="SolenoidBarrelLayerVis">
+              <slice material="Steel235" thickness="SolenoidVacuumTank_thickness"/>
+          </layer>
+      </detector>
+
+      <detector name="SolenoidEndcaps" type="DD4hep_DiskTracker" id="0" reflect="true" vis="SolenoidBarrelLayerVis">
+          <layer id="1" inner_r="Solenoid_inner_radius+SolenoidVacuumTank_thickness" inner_z="Solenoid_half_length-SolenoidVacuumTank_thickness" outer_r="Solenoid_outer_radius-SolenoidVacuumTank_thickness" vis="SolenoidBarrelLayerVis">
+        <slice material="Steel235" thickness="SolenoidVacuumTank_thickness/2.0" />
+        </layer>
+      </detector>
+
+  </detectors>
+</lccdd>