diff --git a/DDExamples/ILDExDet/compact/ILDEx.xml b/DDExamples/ILDExDet/compact/ILDEx.xml
index 998cfa74c39e93628eedebd06b7f532fdc7ab328..dcb9cfb942501884e6712a3cfe75582f33c95b27 100644
--- a/DDExamples/ILDExDet/compact/ILDEx.xml
+++ b/DDExamples/ILDExDet/compact/ILDEx.xml
@@ -53,6 +53,10 @@
<!-- constant name="Hcal_Barrel_rotation" value="0.392699075"/-->
<constant name="Hcal_Barrel_rotation" value="0."/>
+ <constant name="Hcal_endcap_modules" value="16"/>
+ <constant name="Hcal_endcap_layers" value="(int) 48"/>
+ <constant name="Hcal_endcap_zmin" value="2650*mm"/>
+
<constant name="SolenoidalFieldRadius" value="Hcal_outer_radius+10.0*mm"/>
</define>
@@ -87,9 +91,16 @@
<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"/>
+ <vis name="HcalBarrelStavesVis" alpha="1" r="1" g="0" b="0.3" showDaughters="true" visible="false"/>
+ <vis name="HcalBarrelLayerVis" alpha="1" r="1" g="0" b="0.5" showDaughters="true" visible="false"/>
+ <vis name="HcalBarrelSensorVis" alpha="1" r="1" g="1" b="0.7" showDaughters="true" visible="false"/>
+
+ <vis name="HcalEndcapVis" alpha="1" r="1" g="1" b="0.1" showDaughters="true" visible="true"/>
+ <vis name="HcalEndcapStavesVis" alpha="1" r="1" g="0" b="0.3" showDaughters="true" visible="false"/>
+ <vis name="HcalEndcapLayerVis" alpha="1" r="1" g="0" b="0.5" showDaughters="true" visible="false"/>
+ <vis name="HcalEndcapSensorVis" alpha="1" r="1" g="1" b="0.7" showDaughters="true" visible="false"/>
+ <vis name="HcalEndcapAirVis" alpha="1" r="1" g="0" b="0" showDaughters="true" visible="false"/>
+
</display>
<detectors>
@@ -180,11 +191,42 @@
<dimensions numsides="(int) HcalBarrel_staves" rmin="HcalBarrel_rmin" z="HcalBarrel_zmax"/>
<layer repeat="(int) HcalBarrel_layers">
- <slice material = "Air" thickness = "2.7*mm" />
+ <slice material = "Polystyrene" thickness = "3.0*mm" sensitive = "yes" limits="cal_limits" vis="HcalBarrelSensorVis"/>
+ <slice material = "FR4" thickness = "0.7*mm" />
<slice material = "Cu" thickness = "0.1*mm" />
+ <slice material = "Air" thickness = "2.7*mm" vis="HcalBarrelAirVis" />
+ </layer>
+ </detector>
+ <detector id="8" name="HcalEndcap" type="AhcalEndcapCalorimeter" readout="HcalEndcapHits" calorimeterType="HAD_ENDCAP" gap="15.*mm">
+ <comment>Hadron Calorimeter Endcap</comment>
+
+ <material name="Steel235"/>
+
+ <layer repeat="(int) Hcal_endcap_layers">
+ <slice material = "Polystyrene" thickness = "3.0*mm" sensitive = "yes" limits="cal_limits" vis="HcalEndcapSensorVis"/>
<slice material = "FR4" thickness = "0.7*mm" />
- <slice material = "Polystyrene" thickness = "3.0*mm" sensitive = "yes" limits="cal_limits" vis="HcalBarrelSensorVis"/>
+ <slice material = "Cu" thickness = "0.1*mm" />
+ <slice material = "Air" thickness = "2.7*mm" vis="HcalEndcapAirVis" />
</layer>
+
+ <dimensions numsides="(int) Hcal_endcap_modules" rmin="362.0*mm" z="Hcal_endcap_zmin">
+ <dimensions id="1" y_offset= "543.5" dim_x="375.0" dim_y="1287.0" dim_z="1087.0"/>
+ <dimensions id="2" y_offset= "905.5" dim_x="375.0" dim_y="1287.0" dim_z="1811.0"/>
+ <dimensions id="3" y_offset="1086.5" dim_x="375.0" dim_y="1287.0" dim_z="2173.0"/>
+ <dimensions id="4" y_offset="1268.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="5" y_offset="1268.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="6" y_offset="1449.0" dim_x="375.0" dim_y="1287.0" dim_z="2898.0"/>
+ <dimensions id="7" y_offset="1449.0" dim_x="375.0" dim_y="1287.0" dim_z="2898.0"/>
+ <dimensions id="8" y_offset="1630.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="9" y_offset="1630.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="10" y_offset="1449.0" dim_x="375.0" dim_y="1287.0" dim_z="2898.0"/>
+ <dimensions id="11" y_offset="1449.0" dim_x="375.0" dim_y="1287.0" dim_z="2898.0"/>
+ <dimensions id="12" y_offset="1268.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="13" y_offset="1268.0" dim_x="375.0" dim_y="1287.0" dim_z="2536.0"/>
+ <dimensions id="14" y_offset="1086.5" dim_x="375.0" dim_y="1287.0" dim_z="2173.0"/>
+ <dimensions id="15" y_offset= "905.5" dim_x="375.0" dim_y="1287.0" dim_z="1811.0"/>
+ <dimensions id="16" y_offset= "543.5" dim_x="375.0" dim_y="1287.0" dim_z="1087.0"/>
+ </dimensions>
</detector>
</detectors>
@@ -209,6 +251,10 @@
<segmentation type="RegularNgonCartesianGridXY" gridSizeX="30.0*mm" gridSizeY="30.0*mm" />
<id>system:6,stave:3,module:4,layer:8,slice:5,x:32:-16,y:-16</id>
</readout>
+ <readout name="HcalEndcapHits">
+ <segmentation type="GlobalGridXY" gridSizeX="3.0*cm" gridSizeY="3.0*cm" />
+ <id>system:6,stave:1,module:1,endcapID:5,layer:8,slice:5,x:32:-16,y:-16</id>
+ </readout>
</readouts>
<fields>
diff --git a/DDExamples/ILDExDet/src/compact/AhcalBarrelCalorimeter_geo.cpp b/DDExamples/ILDExDet/src/compact/AhcalBarrelCalorimeter_geo.cpp
index 9ba13eb3b5d5e5c4be61f02882e51e20f8973b5c..38926058bfbc6e40873c8a99b3731dcc1aebf3d1 100644
--- a/DDExamples/ILDExDet/src/compact/AhcalBarrelCalorimeter_geo.cpp
+++ b/DDExamples/ILDExDet/src/compact/AhcalBarrelCalorimeter_geo.cpp
@@ -56,9 +56,10 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
double Hcal_lateral_structure_thickness = lcdd.constant<double>("Hcal_lateral_structure_thickness");
double Hcal_layer_air_gap = lcdd.constant<double>("Hcal_layer_air_gap");
double Hcal_back_plate_thickness = lcdd.constant<double>("Hcal_back_plate_thickness");
- double totalThickness_Hcal_Barrel = (Hcal_radiator_thickness + Hcal_chamber_thickness)
- * HcalBarrel_layers + Hcal_back_plate_thickness;
- double Hcal_module_radius = Hcal_inner_radius + totalThickness_Hcal_Barrel;
+
+ double totalThickness_Hcal_Barrel = (Hcal_radiator_thickness + Hcal_chamber_thickness)
+ * HcalBarrel_layers + Hcal_back_plate_thickness;
+ double Hcal_module_radius = Hcal_inner_radius + totalThickness_Hcal_Barrel;
double Hcal_Barrel_rotation = lcdd.constant<double>("Hcal_Barrel_rotation");
@@ -72,13 +73,22 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
// ==========================================================================
// Hcal Barrel module shapers
- PolyhedraRegular polyhedra_shaper("polyhedra",numSides,Hcal_inner_radius,Hcal_module_radius,detZ*2);
- Tube tube_shaper(0.0,Hcal_outer_radius, detZ, 0.0, 2.0*M_PI);
+ PolyhedraRegular polyhedra_shaper("polyhedra",numSides,Hcal_inner_radius,Hcal_module_radius,detZ*2.);
+ Tube tube_shaper(0.,Hcal_outer_radius, detZ, 0., 2.*M_PI);
+
+ // keep the envelope rotation as the same as the stave
+ // the stave number can be changed in the compact XML.
+ Rotation rot(M_PI/2. - M_PI/numSides,0,0);
// Create Hcal Barrel volume with material Steel235
- IntersectionSolid barrelModuleSolid(tube_shaper,polyhedra_shaper,Rotation(M_PI/numSides,0,0));
+ IntersectionSolid barrelModuleSolid(tube_shaper,polyhedra_shaper,rot);
+
Volume envelopeVol(det_name+"_envelope",barrelModuleSolid,Steel235);
+ // Set envelope volume attributes.
+ envelopeVol.setAttributes(lcdd,x_det.regionStr(),x_det.limitsStr(),x_det.visStr());
+
+
// ========= Create Hcal Barrel Chmaber (i.e. Layers) =======================
// It will be the sub volume for placing the slices.
// Itself will be placed into the Hcal Barrel envelope.
@@ -86,26 +96,23 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
// create Layer (air) and place the slices (Polystyrene,Cu,FR4,air) into it.
// place the Layer into the HcalBarrel envelope (Steel235).
- double innerAngle = 2*M_PI/numSides;
- double halfInnerAngle = innerAngle/2;
- double tan_inner = std::tan(halfInnerAngle) * 2;
+ double innerAngle = 2.*M_PI/numSides;
+ double halfInnerAngle = innerAngle/2.;
+ double tan_inner = std::tan(halfInnerAngle) * 2.;
double cos_inner = std::cos(halfInnerAngle);
double innerFaceLen = (Hcal_inner_radius + Hcal_radiator_thickness) * tan_inner;
- double layerOuterAngle = (M_PI-innerAngle)/2;
- double layerInnerAngle = (M_PI/2 - layerOuterAngle);
+ double layerOuterAngle = (M_PI-innerAngle)/2.;
+ double layerInnerAngle = (M_PI/2. - layerOuterAngle);
// First Hcal Barrel Chamber position, start after first radiator
- double layer_pos_y = Hcal_inner_radius + Hcal_radiator_thickness;
- double layer_dim_x = innerFaceLen/2 - gap/2;
+ double layer_pos_x = Hcal_inner_radius + Hcal_radiator_thickness;
+ double layer_dim_y = innerFaceLen/2. - gap/2.;
// Create Hcal Barrel Chamber without radiator
// Place into the Hcal Barrel envelope, after each radiator
int layer_num = 0;
- Assembly staveVol("stave");
- PlacedVolume pv;
-
for(xml_coll_t c(x_det,_U(layer)); c; ++c) {
xml_comp_t x_layer = c;
int repeat = x_layer.repeat(); // Get number of layers.
@@ -117,22 +124,23 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
DetElement layer(layer_name,_toString(layer_num,"layer%d"),x_det.id());
// Layer position in Z within the stave.
- layer_pos_y += layer_thickness / 2.0;
+ layer_pos_x += layer_thickness/2.;
// Active Layer box & volume
- double active_layer_dim_x = layer_dim_x;
- double active_layer_dim_y = (detZ-Hcal_lateral_structure_thickness)/2.;
- double active_layer_dim_z = layer_thickness/2.0;
+ double active_layer_dim_x = layer_thickness/2.;
+ double active_layer_dim_y = layer_dim_y;
+ double active_layer_dim_z = (detZ-Hcal_lateral_structure_thickness)/2.;
// The same Layer will be filled with skices,
// and placed into the HcalBarrel 16 times: 8 Staves * 2 modules: TODO 32 times.
Volume layer_vol(layer_name, Box(active_layer_dim_x,active_layer_dim_y,active_layer_dim_z), air);
+
// ========= Create sublayer slices =========================================
// Create and place the slices into Layer
// ==========================================================================
// Create the slices (sublayers) within the Hcal Barrel Chamber.
- double slice_pos_z = -(layer_thickness / 2);
+ double slice_pos_x = -(layer_thickness/2.);
int slice_number = 0;
for(xml_coll_t k(x_layer,_U(slice)); k; ++k) {
xml_comp_t x_slice = k;
@@ -141,11 +149,11 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
Material slice_material = lcdd.material(x_slice.materialStr());
DetElement slice(layer,_toString(slice_number,"slice%d"),x_det.id());
- slice_pos_z += slice_thickness / 2;
+ slice_pos_x += slice_thickness/2.;
// Slice volume & box
- double slice_dim_x = active_layer_dim_x - Hcal_layer_air_gap ;
- Volume slice_vol(slice_name,Box(slice_dim_x,active_layer_dim_y,slice_thickness/2.0),slice_material);
+ double slice_dim_y = active_layer_dim_y - Hcal_layer_air_gap ;
+ Volume slice_vol(slice_name,Box(slice_thickness/2.,slice_dim_y,active_layer_dim_z),slice_material);
if ( x_slice.isSensitive() ) {
sens.setType("calorimeter");
@@ -154,11 +162,12 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
// Set region, limitset, and vis.
slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
// slice PlacedVolume
- pv = layer_vol.placeVolume(slice_vol,Position(0,0,slice_pos_z));
- pv.addPhysVolID("slice",slice_number);
- slice.setPlacement(pv);
- // Increment Z position for next slice.
- slice_pos_z += slice_thickness / 2;
+ PlacedVolume slice_phv = layer_vol.placeVolume(slice_vol,Position(slice_pos_x,0.,0.));
+ slice_phv.addPhysVolID("slice",slice_number);
+
+ slice.setPlacement(slice_phv);
+ // Increment x position for next slice.
+ slice_pos_x += slice_thickness/2.;
// Increment slice number.
++slice_number;
}
@@ -175,62 +184,65 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
// Acording to the number of staves and modules,
// Place the same Layer into the HcalBarrel envelope
// with the right position and rotation.
-
- // Layer physical volume.
- double layer_pos_z = active_layer_dim_y + Hcal_lateral_structure_thickness;
- for(int module_num=0;module_num<2;module_num++) {
- layer_pos_z = (module_num==0)?layer_pos_z:-layer_pos_z;
- Position l_pos(0,layer_pos_y-Hcal_inner_radius,layer_pos_z);
- pv = staveVol.placeVolume(layer_vol,Transform3D(RotationX(M_PI/2),l_pos));
- // registry the ID of Layer, stave and module
- pv.addPhysVolID("layer",layer_num).addPhysVolID("module",module_num);
- // then setPlacement for it.
- layer.setPlacement(pv);
+ for(int stave_num = 0; stave_num < numSides; stave_num++){
+ double ds = double(stave_num);
+ double delte_phi = M_PI/2. - innerAngle*ds;
+ string stave_layer = _toString(stave_num,"stave%d_layer");
+ // Layer physical volume.
+ double layer_pos_z = active_layer_dim_z + Hcal_lateral_structure_thickness;
+ for(int module_num = 0; module_num < 2; module_num++)
+ {
+ layer_pos_z = (module_num==0)?layer_pos_z:-layer_pos_z;
+ PlacedVolume layer_phv = envelopeVol.placeVolume(layer_vol,
+ Transform3D(Rotation(delte_phi,0.,0.),
+ Translation3D(layer_pos_x*std::cos(delte_phi),
+ layer_pos_x*std::sin(delte_phi),
+ layer_pos_z)));
+
+ // registry the ID of Layer, stave and module
+ layer_phv.addPhysVolID("layer",layer_num);
+ layer_phv.addPhysVolID("stave",stave_num);
+ layer_phv.addPhysVolID("module",module_num);
+ // then setPlacement for it.
+ layer.setPlacement(layer_phv);
+
+ }
}
-
+
+
// ===== Prepare for next layer (i.e. next Chamber) =========================
// Prepare the chamber placement position and the chamber dimension
// ==========================================================================
// Prepare for next Layer
- // Increment the layer_pos_y, and calculate the next layer_dim_x
+ // Increment the layer_pos_x, and calculate the next layer_dim_y
// Place Hcal Barrel Chamber after each radiator
- layer_pos_y += layer_thickness / 2;
- layer_pos_y += Hcal_radiator_thickness;
+ layer_pos_x += layer_thickness/2.;
+ layer_pos_x += Hcal_radiator_thickness;
// Increment the layer X dimension.
- if((layer_pos_y + layer_thickness ) < (Hcal_outer_radius - Hcal_back_plate_thickness)* cos_inner)
- layer_dim_x += (layer_thickness + Hcal_radiator_thickness) * std::tan(layerInnerAngle);
+ if((layer_pos_x + layer_thickness ) < (Hcal_outer_radius - Hcal_back_plate_thickness)* cos_inner)
+ layer_dim_y += (layer_thickness + Hcal_radiator_thickness) * std::tan(layerInnerAngle);
else
- layer_dim_x = std::sqrt((Hcal_outer_radius-Hcal_radiator_thickness)
+ layer_dim_y = std::sqrt((Hcal_outer_radius-Hcal_radiator_thickness)
*(Hcal_outer_radius-Hcal_radiator_thickness)
- - layer_pos_y*layer_pos_y) - gap/2;
+ - layer_pos_x*layer_pos_x) - gap/2.;
// Increment the layer number.
++layer_num;
}
}
- // Now place all staves
- for(int stave_num=0;stave_num<numSides;stave_num++) {
- double r = Hcal_inner_radius+Hcal_radiator_thickness;
- double phi = (2.*M_PI/numSides)*stave_num;
- Position pos(r*std::sin(phi),r*std::cos(phi),0);
- pv = envelopeVol.placeVolume(staveVol,Transform3D(Rotation(phi,M_PI,0),pos));
- // registry the ID of Layer, stave and module
- pv.addPhysVolID("stave",stave_num);
- }
// =========== Place Hcal Barrel envelope ===================================
// Finally place the Hcal Barrel envelope into the world volume.
// Registry the system ID.
// ==========================================================================
- // Set envelope volume attributes.
- envelopeVol.setAttributes(lcdd,x_det.regionStr(),x_det.limitsStr(),x_det.visStr());
// Place Hcal Barrel volume into the world volume
- pv = motherVol.placeVolume(envelopeVol,Rotation(0,0,Hcal_Barrel_rotation));
+ PlacedVolume env_phv = motherVol.placeVolume(envelopeVol,Rotation(0.,0.,Hcal_Barrel_rotation));
+
// registry the system id
- pv.addPhysVolID("system", sdet.id());
- sdet.setPlacement(pv);
+ env_phv.addPhysVolID("system", sdet.id());
+ sdet.setPlacement(env_phv);
return sdet;
}
diff --git a/DDExamples/ILDExDet/src/compact/AhcalEndcapCalorimeter_geo.cpp b/DDExamples/ILDExDet/src/compact/AhcalEndcapCalorimeter_geo.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8c1948276954cc6322b855554e2e941d33a1de6a
--- /dev/null
+++ b/DDExamples/ILDExDet/src/compact/AhcalEndcapCalorimeter_geo.cpp
@@ -0,0 +1,286 @@
+//====================================================================
+// AIDA Detector description implementation
+// for LDC AHCAL Endcap
+//--------------------------------------------------------------------
+//
+// Author : S.Lu
+//
+// Basic idea:
+// 1. Create the Hcal Endcap module envelope (16 modules).
+// Note: with default material Steel235.
+//
+// 2. Create the Hcal Endcap Chamber(i.e. Layer) for each module.
+// Create the Layer with slices (Polystyrene,Cu,FR4,air).
+// Place each slice into the chamber with the right position,
+// And registry the IDs for slice
+//
+// 3. Place the same Layer into the endcap module envelope.
+// It will be repeated repeat 48 times.
+// And registry the IDs for layer, and endcapID.
+//
+// 4. Place the endcap module into the world volume,
+// with the right position and rotation.
+// And registry the IDs for stave,module and endcapID.
+//
+// 5. Customer material FR4 and Steel235 defined in materials.xml
+//
+//====================================================================
+#include "DD4hep/DetFactoryHelper.h"
+#include "XML/Layering.h"
+
+using namespace std;
+using namespace DD4hep;
+using namespace DD4hep::Geometry;
+
+static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens) {
+ xml_det_t x_det = element;
+ Layering layering(x_det);
+ xml_dim_t dim = x_det.dimensions();
+ string det_name = x_det.nameStr();
+ string det_type = x_det.typeStr();
+ Material air = lcdd.air();
+ Material Steel235 = lcdd.material(x_det.materialStr());
+ double gap = xml_dim_t(x_det).gap();
+ // int numSides = dim.numsides();
+ double detZ = dim.z(); // Hcal endcap modules z start
+ double Hcal_inner_radius = dim.rmin(); // Endcap cernter box hole half length: 362.0
+
+ // The way to reaad constant from XML/LCDD file.
+ //double Hcal_outer_radius = lcdd.constant<double>("Hcal_outer_radius"); // 3395.46 mm
+ double Hcal_radiator_thickness = lcdd.constant<double>("Hcal_radiator_thickness"); // 20.0mm
+ //double Hcal_chamber_thickness = lcdd.constant<double>("Hcal_chamber_thickness"); // 6.5mm
+ //int Hcal_endcap_layers = lcdd.constant<int>("Hcal_endcap_layers"); // 48
+ // ======== Note============================================================
+ // In the XML/LCDD file, make sure the above constant parameters
+ // are agree with the layering/slices in the detector Ahcal.
+ // ==========================================================================
+
+
+ double Hcal_lateral_structure_thickness = lcdd.constant<double>("Hcal_lateral_structure_thickness");
+ double Hcal_layer_air_gap = lcdd.constant<double>("Hcal_layer_air_gap");
+ double Hcal_endcap_zmin = lcdd.constant<double>("Hcal_endcap_zmin");
+ //double Hcal_back_plate_thickness = lcdd.constant<double>("Hcal_back_plate_thickness");
+
+ // ========= Create Hcal Endcap Modules envelope ============================
+ // Read the Endcap Modules dimensions,
+ // Which defined in the compact XML files.
+ // ==========================================================================
+ double dim_x[16];
+ double dim_y[16];
+ double dim_z[16];
+ double pos_x[16];
+ double pos_y[16];
+ double pos_z[16];
+
+ int endcapID =0;
+ for(xml_coll_t c(x_det.child(_U(dimensions)),_U(dimensions)); c; ++c) {
+
+ xml_comp_t l(c);
+
+ dim_x[endcapID] = l.attr<double>(_Unicode(dim_x));
+ dim_y[endcapID] = l.attr<double>(_Unicode(dim_y));
+ dim_z[endcapID] = l.attr<double>(_Unicode(dim_z));
+ pos_y[endcapID] = l.attr<double>(_Unicode(y_offset));
+ //std::cout<<" dim_z["<<endcapID<<"]: "<< dim_z[endcapID]/2.0<<std::endl;
+ endcapID++;
+ }
+
+
+ DetElement sdet(det_name,x_det.id());
+ Volume motherVol = lcdd.pickMotherVolume(sdet);
+
+ // ========= Create Hcal Endcap Modules envelope ============================
+ // They will be the volume for palcing the Hcal Chamber(i.e. Layers).
+ // Themself will be placed into the world volume.
+ // ==========================================================================
+
+ // build 16 Endcap Modules
+ for(int ecID=0; ecID<endcapID; ecID++)
+ {
+ // Hcal Endcap module shape
+ double box_half_x= dim_x[ecID]/2.0; // module width, all are same
+ double box_half_y= dim_y[ecID]/2.0; // total thickness, all are same
+ double box_half_z= dim_z[ecID]/2.0; // module length, changed,
+
+ double x_offset = box_half_x*endcapID-box_half_x*ecID*2.0-box_half_x;
+ double y_offset = pos_y[ecID];
+
+ Box EndcapModule(box_half_x,box_half_y,box_half_z);
+
+ // define the name of each endcap Module
+ string envelopeVol_name = det_name+_toString(ecID,"_EndcapModule%d");
+
+ Volume envelopeVol(envelopeVol_name,EndcapModule,Steel235);
+
+ // Set envelope volume attributes.
+ envelopeVol.setAttributes(lcdd,x_det.regionStr(),x_det.limitsStr(),x_det.visStr());
+
+
+ // ========= Create Hcal Chamber (i.e. Layers) ==============================
+ // It will be the sub volume for placing the slices.
+ // Itself will be placed into the Hcal Endcap modules envelope.
+ // ==========================================================================
+
+ // create Layer (air) and place the slices (Polystyrene,Cu,FR4,air) into it.
+ // place the Layer into the Hcal Endcap Modules envelope (Steel235).
+
+ // First Hcal Chamber position, start after first radiator
+ double layer_pos_y = - box_half_y + Hcal_radiator_thickness;
+
+ // Create Hcal Endcap Chamber without radiator
+ // Place into the Hcal Encap module envelope, after each radiator
+ int layer_num = 0;
+ for(xml_coll_t c(x_det,_U(layer)); c; ++c) {
+ xml_comp_t x_layer = c;
+ int repeat = x_layer.repeat(); // Get number of layers.
+ const Layer* lay = layering.layer(layer_num); // Get the layer from the layering engine.
+
+ string layer_name = envelopeVol_name+"_layer";
+ double layer_thickness = lay->thickness();
+ DetElement layer(layer_name,layer_name,x_det.id());
+
+ // Active Layer box & volume
+ double active_layer_dim_x = box_half_x - Hcal_lateral_structure_thickness;
+ double active_layer_dim_y = layer_thickness/2.0;
+ double active_layer_dim_z = box_half_z;
+
+ // Build chamber including air gap
+ // The Layer will be filled with slices,
+ Volume layer_vol(layer_name, Box((active_layer_dim_x + Hcal_layer_air_gap),
+ active_layer_dim_y,active_layer_dim_z), air);
+
+
+ // ========= Create sublayer slices =========================================
+ // Create and place the slices into Layer
+ // ==========================================================================
+
+ // Create the slices (sublayers) within the Hcal Chamber.
+ double slice_pos_y = -(layer_thickness / 2.0);
+ int slice_number = 0;
+ for(xml_coll_t k(x_layer,_U(slice)); k; ++k) {
+ xml_comp_t x_slice = k;
+ string slice_name = layer_name + _toString(slice_number,"_slice%d");
+ double slice_thickness = x_slice.thickness();
+ Material slice_material = lcdd.material(x_slice.materialStr());
+ DetElement slice(layer,_toString(slice_number,"slice%d"),x_det.id());
+
+ slice_pos_y += slice_thickness / 2.0;
+
+ // Slice volume & box
+ Volume slice_vol(slice_name,Box(active_layer_dim_x,slice_thickness/2.0,active_layer_dim_z),slice_material);
+
+ if ( x_slice.isSensitive() ) {
+ sens.setType("calorimeter");
+ slice_vol.setSensitiveDetector(sens);
+ }
+ // Set region, limitset, and vis.
+ slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
+ // slice PlacedVolume
+ PlacedVolume slice_phv = layer_vol.placeVolume(slice_vol,Position(0,slice_pos_y,0));
+ slice_phv.addPhysVolID("slice",slice_number);
+
+ slice.setPlacement(slice_phv);
+ // Increment Z position for next slice.
+ slice_pos_y += slice_thickness / 2.0;
+ // Increment slice number.
+ ++slice_number;
+ }
+ // Set region, limitset, and vis.
+ layer_vol.setAttributes(lcdd,x_layer.regionStr(),x_layer.limitsStr(),x_layer.visStr());
+
+
+ // ========= Place the Layer (i.e. Chamber) =================================
+ // Place the Layer into the Hcal Endcap module envelope.
+ // with the right position and rotation.
+ // Registry the IDs (layer, stave, module).
+ // Place the same layer 48 times into Endcap module
+ // ==========================================================================
+
+ for (int j = 0; j < repeat; j++) {
+
+ // Layer position in y within the Endcap Modules.
+ layer_pos_y += layer_thickness / 2.0;
+
+ PlacedVolume layer_phv = envelopeVol.placeVolume(layer_vol,
+ Position(0,layer_pos_y,0));
+ // registry the ID of Layer, stave and module
+ layer_phv.addPhysVolID("layer",layer_num);
+ layer_phv.addPhysVolID("endcapID",ecID);
+ // then setPlacement for it.
+ layer.setPlacement(layer_phv);
+
+
+ // ===== Prepare for next layer (i.e. next Chamber) =========================
+ // Prepare the chamber placement position and the chamber dimension
+ // ==========================================================================
+
+ // Increment the layer_pos_y
+ // Place Hcal Chamber after each radiator
+ layer_pos_y += layer_thickness / 2.0;
+ layer_pos_y += Hcal_radiator_thickness;
+ ++layer_num;
+ }
+
+
+ }
+
+
+ // =========== Place Hcal Endcap envelope ===================================
+ // Finally place the Hcal Endcap envelope into the world volume.
+ // Registry the stave(up/down), module(left/right) and endcapID.
+ // ==========================================================================
+
+ // Acording to the number of staves and modules,
+ // Place the same Hcal Endcap module volume into the world volume
+ // with the right position and rotation.
+ for(int stave_num=0;stave_num<2;stave_num++){
+
+ double EndcapModule_pos_x;
+ double EndcapModule_pos_y;
+ double EndcapModule_pos_z = Hcal_endcap_zmin + box_half_y;
+ double rot_EM = 0;
+
+ switch (stave_num)
+ {
+ case 0 :
+ EndcapModule_pos_x = x_offset;
+ EndcapModule_pos_y = y_offset;
+ break;
+ case 1 :
+ EndcapModule_pos_x = -x_offset;
+ EndcapModule_pos_y = -y_offset;
+ break;
+ }
+
+ for(int module_num=0;module_num<2;module_num++) {
+
+ rot_EM = (module_num==0)?(M_PI/2.0):(-M_PI/2.0);
+
+ EndcapModule_pos_z = (module_num==0)?EndcapModule_pos_z:-EndcapModule_pos_z;
+
+ PlacedVolume env_phv = motherVol.placeVolume(envelopeVol,
+ Transform3D(Rotation(0.,0.,rot_EM),
+ Translation3D(EndcapModule_pos_x,
+ EndcapModule_pos_y,
+ EndcapModule_pos_z)));
+
+ env_phv.addPhysVolID("stave",stave_num); // y: up /down
+ env_phv.addPhysVolID("module",module_num); // z: +/-
+ env_phv.addPhysVolID("system",x_det.id());
+ sdet.setPlacement(env_phv);
+
+ }
+
+ }
+
+ }
+
+
+
+ return sdet;
+}
+
+
+
+
+DECLARE_DETELEMENT(AhcalEndcapCalorimeter, create_detector);