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#include "DD4hep/DetFactoryHelper.h"
#include "DataFormats/Math/interface/CMSUnits.h"
#include "DetectorDescription/DDCMS/interface/DDPlugins.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
using namespace std;
using namespace dd4hep;
using namespace cms;
using namespace cms_units::operators;
static long algorithm(Detector& /* description */, cms::DDParsingContext& ctxt, xml_h e) {
cms::DDNamespace ns(ctxt, e, true);
DDAlgoArguments args(ctxt, e);
// Header section of original DDTrackerAngular.h
int n = args.value<int>("N");
int startCopyNo = args.find("StartCopyNo") ? args.value<int>("StartCopyNo") : 1;
int incrCopyNo = args.find("IncrCopyNo") ? args.value<int>("IncrCopyNo") : 1;
double rangeAngle = args.value<double>("RangeAngle"); //Range in angle
double startAngle = args.value<double>("StartAngle"); //Start anle
double radius = args.value<double>("Radius"); //Radius
vector<double> center = args.value<vector<double> >("Center"); //Phi values
Volume mother = ns.volume(args.parentName());
Volume child = ns.volume(args.value<string>("ChildName"));
double delta = 0e0; //Increment in phi
// Code section of original DDTrackerAngular.cc
if (fabs(rangeAngle - 360.0_deg) < 0.001_deg) {
delta = rangeAngle / double(n);
} else if (n > 1) {
delta = rangeAngle / double(n - 1);
}
edm::LogVerbatim("TrackerGeom") << "DDTrackerAngular debug: Parameters for positioning:: n " << n
<< " Start, Range, Delta " << convertRadToDeg(startAngle) << " "
<< convertRadToDeg(rangeAngle) << " " << convertRadToDeg(delta) << " Radius "
<< radius << " Centre " << center[0] << ", " << center[1] << ", " << center[2];
edm::LogVerbatim("TrackerGeom") << "DDTrackerAngular debug: Parent " << mother.name() << "\tChild " << child.name()
<< " NameSpace " << ns.name();
double theta = 90._deg;
int copy = startCopyNo;
double phi = startAngle;
for (int i = 0; i < n; i++) {
double phix = phi;
double phiy = phix + 90._deg;
double phideg = convertRadToDeg(phix);
Rotation3D rotation;
if (phideg != 0) {
string rotstr = ns.nsName(child.name()) + std::to_string(phideg * 10.);
auto irot = ctxt.rotations.find(ns.prepend(rotstr));
if (irot != ctxt.rotations.end()) {
rotation = ns.rotation(ns.prepend(rotstr));
} else {
edm::LogVerbatim("TrackerGeom") << "DDTrackerAngular Creating a new "
<< "rotation: " << rotstr << "\t90., " << convertRadToDeg(phix) << ", 90.,"
<< convertRadToDeg(phiy) << ", 0, 0";
RotationZYX rot;
rotation = makeRotation3D(theta, phix, theta, phiy, 0., 0.);
}
}
double xpos = radius * cos(phi) + center[0];
double ypos = radius * sin(phi) + center[1];
double zpos = center[2];
Position tran(xpos, ypos, zpos);
mother.placeVolume(child, copy, Transform3D(rotation, tran));
edm::LogVerbatim("TrackerGeom") << "DDTrackerAngular test " << child.name() << " number " << copy
<< " positioned in " << mother.name() << " at " << tran << " with " << rotation;
copy += incrCopyNo;
phi += delta;
}
return 1;
}
// first argument is the type from the xml file
DECLARE_DDCMS_DETELEMENT(DDCMS_track_DDTrackerAngular, algorithm)
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