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#include "DD4hep/DetFactoryHelper.h"
#include "DataFormats/Math/interface/angle_units.h"
#include "DetectorDescription/DDCMS/interface/DDPlugins.h"
#include "DetectorDescription/DDCMS/interface/DDutils.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
//#define EDM_ML_DEBUG
using namespace angle_units::operators;
static long algorithm(dd4hep::Detector& /* description */, cms::DDParsingContext& ctxt, xml_h e) {
cms::DDNamespace ns(ctxt, e, true);
cms::DDAlgoArguments args(ctxt, e);
// Header section
std::string idNameSpace = static_cast<std::string>(ns.name()); //Namespace of this and ALL sub-parts
double radius = args.value<double>("Radius"); //Pointing distance from front surface
double offset = args.value<double>("Offset"); //Offset along Z
double dx = args.value<double>("Dx"); //Half size along x
double dz = args.value<double>("Dz"); //Half size along z
double angwidth = args.value<double>("AngWidth"); //Angular width
int iaxis = args.value<int>("Axis"); //Axis of rotation
std::vector<std::string> names = args.value<std::vector<std::string> >("Names"); //Names for rotation matrices
std::string idName = args.value<std::string>("ChildName"); //Children name
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalXtalAlgo::Parameters for positioning: Axis " << iaxis << "\tRadius "
<< cms::convert2mm(radius) << "\tOffset " << offset << "\tDx " << cms::convert2mm(dx)
<< "\tDz " << cms::convert2mm(dz) << "\tAngWidth " << convertRadToDeg(angwidth)
<< "\tNumbers " << names.size();
for (unsigned int i = 0; i < names.size(); i++)
edm::LogVerbatim("HCalGeom") << "\tnames[" << i << "] = " << names[i];
edm::LogVerbatim("HCalGeom") << "DDHCalXtalAlgo: Parent " << args.parentName() << "\tChild " << idName
<< " NameSpace " << idNameSpace;
#endif
dd4hep::Volume parent = ns.volume(args.parentName());
double theta[3], phi[3], pos[3];
phi[0] = 0;
phi[1] = 90._deg;
theta[1 - iaxis] = 90._deg;
pos[1 - iaxis] = 0;
int number = (int)(names.size());
for (int i = 0; i < number; i++) {
double angle = 0.5 * angwidth * (2 * i + 1 - number);
theta[iaxis] = 90._deg + angle;
if (angle > 0) {
theta[2] = angle;
phi[2] = iaxis * 90._deg;
} else {
theta[2] = -angle;
phi[2] = (2 - 3 * iaxis) * 90._deg;
}
pos[iaxis] = angle * (dz + radius);
pos[2] = dx * std::abs(sin(angle)) + offset;
if (strchr(idName.c_str(), NAMESPACE_SEP) == nullptr)
idName = idNameSpace + idName;
dd4hep::Volume glog = ns.volume(idName);
dd4hep::Position tran(pos[0], pos[1], pos[2]);
dd4hep::Rotation3D rotation;
static const double tol = 0.01_deg; // 0.01 degree
if (std::abs(angle) > tol) {
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalXtalAlgo: Creating a rotation \t" << convertRadToDeg(theta[0]) << ","
<< convertRadToDeg(phi[0]) << "," << convertRadToDeg(theta[1]) << ","
<< convertRadToDeg(phi[1]) << "," << convertRadToDeg(theta[2]) << ","
<< convertRadToDeg(phi[2]);
#endif
rotation = cms::makeRotation3D(theta[0], phi[0], theta[1], phi[1], theta[2], phi[2]);
}
parent.placeVolume(glog, i + 1, dd4hep::Transform3D(rotation, tran));
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalXtalAlgo: " << glog.name() << " number " << i + 1 << " positioned in "
<< parent.name() << " at (" << cms::convert2mm(pos[0]) << ","
<< cms::convert2mm(pos[1]) << "," << cms::convert2mm(pos[2]) << " with " << rotation;
#endif
}
return cms::s_executed;
}
// first argument is the type from the xml file
DECLARE_DDCMS_DETELEMENT(DDCMS_hcal_DDHCalXtalAlgo, algorithm);
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