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#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"
#include "DD4hep/DetFactoryHelper.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 of original DDHCalAngular.h
int n = args.value<int>("n");
int startCopyNo = args.value<int>("startCopyNo");
int incrCopyNo = args.value<int>("incrCopyNo");
double rangeAngle = args.value<double>("rangeAngle"); //Angular range
double startAngle = args.value<double>("startAngle"); //Start anle
double shiftX = args.value<double>("shiftX"); //x Shift
double shiftY = args.value<double>("shiftY"); //y Shift
double zoffset = args.value<double>("zoffset"); //z offset
dd4hep::Volume mother = ns.volume(args.parentName());
std::string childName = args.value<std::string>("ChildName");
childName = ns.prepend(childName);
dd4hep::Volume child = ns.volume(childName);
// Increment
double dphi = rangeAngle / n;
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalAngular: Parameters for positioning::"
<< " n " << n << " Start, Range, Delta " << convertRadToDeg(startAngle) << " "
<< convertRadToDeg(rangeAngle) << " " << convertRadToDeg(dphi) << " Shift "
<< cms::convert2mm(shiftX) << ":" << cms::convert2mm(shiftY) << "\n Parent "
<< mother.name() << "\tChild " << child.name() << " NameSpace " << ns.name();
#endif
int copy = startCopyNo;
double phix = startAngle;
for (int ii = 0; ii < n; ++ii) {
if (phix >= 2._pi)
phix -= 2._pi;
else if (phix < 0)
phix += 2._pi;
dd4hep::Rotation3D rotation;
if (std::abs(phix) >= 0.1_deg) {
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalAngular::Creating a rotation:"
<< "\t90., " << convertRadToDeg(phix) << ", 90.," << (90.0 + convertRadToDeg(phix))
<< ", 0, 0";
#endif
rotation = dd4hep::RotationZ(phix);
}
double xpos = shiftX * cos(phix) - shiftY * sin(phix);
double ypos = shiftX * sin(phix) + shiftY * cos(phix);
dd4hep::Position tran(xpos, ypos, zoffset);
mother.placeVolume(child, copy, dd4hep::Transform3D(rotation, tran));
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalAngular:: " << child.name() << " number " << copy << " positioned in "
<< mother.name() << " at (" << cms::convert2mm(xpos) << ", " << cms::convert2mm(ypos)
<< ", " << cms::convert2mm(zoffset) << ") with rotation matrix: " << rotation;
#endif
copy += incrCopyNo;
phix += dphi;
}
return cms::s_executed;
}
// first argument is the type from the xml file
DECLARE_DDCMS_DETELEMENT(DDCMS_hcal_DDHCalAngular, algorithm)
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