Central Barrel Solenoid

• Reference https://gitlab.com/eic/escalate/g4e/-/tree/master/src/subdetectors/cb_Solenoid

• https://gitlab.com/eic/escalate/g4e/-/blob/master/src/subdetectors/cb_Solenoid/cb_Solenoid.hh

• Compact xml file

• Detector Constructor cpp file

#2 (closed)

src/cb_Solenoid.cpp

+#include <XML/Helper.h>
+///////////////////////////
+// Central Barrel Solenoid
+///////////////////////////
+
+using namespace dd4hep;
+
+static Ref_t createDetector(Detector& desc, xml_h handle, SensitiveDetector sens)
+{
+  xml::DetElement detElem = handle;
+  std::string     detName = detElem.nameStr();
+  int             detID   = detElem.id();
+
+  xml::Component dims = detElem.dimensions();
+  double SizeZ  = dims.z();    // Size in Z direction
+  double ROut   = dims.rmax(); // Outer diameter
+  double RIn    = dims.rmin(); // Inner diameter
+  double ShiftZ = dims.delta();
+  // TODO: Material
+  //Material mat  = desc.material("Steel235");
+  Material mat = desc.material(detElem.materialStr());
+
+  Tube   cb_Solenoid_GVol_Solid(RIn, ROut, SizeZ / 2., 0., 360 * deg);
+  Volume detVol("cb_Solenoid_GVol_Logic", cb_Solenoid_GVol_Solid, mat);
+
+  detVol.setVisAttributes(desc.visAttributes(detElem.visStr()));
+
+  DetElement   det(detName, detID);
+  Volume       motherVol = desc.pickMotherVolume(det);
+  Transform3D  tr(RotationZYX(0., 0., 0.), Position(0., 0., ShiftZ));
+  PlacedVolume detPV = motherVol.placeVolume(detVol, tr);
+  det.setPlacement(detPV);
+  return det;
+}
+
+// clang-format off
+DECLARE_DETELEMENT(cb_Solenoid, createDetector)