diff --git a/DDExamples/CLICSiD/src/PolyhedraBarrelCalorimeter2_geo.cpp b/DDExamples/CLICSiD/src/PolyhedraBarrelCalorimeter2_geo.cpp
index 77bbcc45217015db5d772b7077c922f032cdd588..bbfb17e8fa8cd0f0c06965fd069fc0f173413415 100644
--- a/DDExamples/CLICSiD/src/PolyhedraBarrelCalorimeter2_geo.cpp
+++ b/DDExamples/CLICSiD/src/PolyhedraBarrelCalorimeter2_geo.cpp
@@ -107,7 +107,7 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens) {
// Layer position in Z within the stave.
layer_pos_z += layer_thickness / 2;
// Layer box & volume
- Volume layer_vol(layer_name, Box(layer_dim_x,detZ/2,layer_thickness), air);
+ Volume layer_vol(layer_name, Box(layer_dim_x,detZ/2,layer_thickness/2), air);
// Create the slices (sublayers) within the layer.
double slice_pos_z = -(layer_thickness / 2);
@@ -122,7 +122,7 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens) {
slice_pos_z += slice_thickness / 2;
// Slice volume & box
- Volume slice_vol(slice_name,Box(layer_dim_x,detZ/2,slice_thickness),slice_material);
+ Volume slice_vol(slice_name,Box(layer_dim_x,detZ/2,slice_thickness/2),slice_material);
if ( x_slice.isSensitive() ) {
sens.setType("calorimeter");
diff --git a/DDExamples/ILDExDet/compact/ILDEx.xml b/DDExamples/ILDExDet/compact/ILDEx.xml
index bf9c3a27c182d2a0bc0888e198f57129db1926b8..09c7417b05c44d16c8f2055eca80e5bc017a0ee0 100644
--- a/DDExamples/ILDExDet/compact/ILDEx.xml
+++ b/DDExamples/ILDExDet/compact/ILDEx.xml
@@ -35,6 +35,14 @@
<constant name="tracking_region_zmax" value="TPC_zhalf + 1.0*m"/>
<constant name="SolenoidCoilOuterZ" value="TPC_zhalf + 0.3*m"/>
<constant name="SolenoidalFieldRadius" value="TPC_outer_radius+0.2*m"/>
+
+ <!-- Add Hcal Barrel Toy: type from PolyhedraBarrelCalorimeter2 in CLICSiD-->
+ <!-- Fixed Box half length bug in PolyhedraBarrelCalorimeter2 -->
+ <constant name="CaloSides" value="8"/>
+ <constant name="HcalBarrel_rmin" value="2058.0*mm"/>
+ <constant name="HcalBarrel_zmax" value="TPC_zhalf"/>
+ <constant name="HcalBarrel_layers" value="(int) 40"/>
+ <constant name="HcalBarrel_layer_thickness" value="20.0*mm + 6.4*mm"/>
</define>
<materials>
@@ -60,6 +68,11 @@
<vis name="SITLayerVis" alpha="1.0" r="0.0" g="0.7" b="0.3" showDaughters="true" visible="true"/>
<vis name="SupportVis" r="0.5" g="0.1" b="0.99" showDaughters="false" visible="true"/>
<vis name="LumiCalVis" showDaughters="false" visible="true"/>
+
+ <vis name="HcalBarrelVis" alpha="1" r="1" g="1" b="0.1" showDaughters="true" visible="true"/>
+ <vis name="HcalBarrelStavesVis" alpha="1" r="1" g="0" b="0.3" showDaughters="true" visible="true"/>
+ <vis name="HcalBarrelLayerVis" alpha="1" r="1" g="0" b="0.5" showDaughters="true" visible="true"/>
+ <vis name="HcalBarrelSensorVis" alpha="1" r="1" g="1" b="0.7" showDaughters="true" visible="true"/>
</display>
<detectors>
@@ -142,6 +155,18 @@
</detector>
</detector>
+ <comment>Calorimeters</comment>
+ <detector id="7" name="HcalBarrel" type="PolyhedraBarrelCalorimeter2" readout="HcalBarrelHits" vis="HcalBarrelVis" calorimeterType="HAD_BARREL" gap="0.*cm" material="Steel235">
+ <comment>Hadron Calorimeter Barrel</comment>
+ <dimensions numsides="(int) CaloSides" rmin="HcalBarrel_rmin" z="HcalBarrel_zmax*2"/>
+ <staves vis="HcalBarrelStavesVis"/>
+ <layer repeat="(int) HcalBarrel_layers">
+ <slice material = "Steel235" thickness = "20.0*mm" />
+ <slice material = "Polystyrene" thickness = "3.0*mm" sensitive = "yes" limits="cal_limits" vis="HcalBarrelSensorVis"/>
+ <slice material = "Air" thickness = "3.4*mm" />
+ </layer>
+ </detector>
+
</detectors>
<readouts>
@@ -157,6 +182,12 @@
<id>system:5,side:-2,layer:9,module:8,sensor:8</id>
<!--id>system:6,barrel:3,layer:4,module:16,sensor:1,side:32:-2,strip:20</id-->
</readout>
+
+ <readout name="HcalBarrelHits">
+ <segmentation type="RegularNgonCartesianGridXY" gridSizeX="30.0*mm" gridSizeY="30.0*mm" />
+ <id>system:6,barrel:3,module:4,layer:8,slice:5,x:32:-16,y:-16</id>
+ </readout>
+
</readouts>
<fields>
<!--field type="SolenoidMagnet" name="GlobalSolenoid" inner_field="3.5*tesla"