DDAngular.cc File Reference

#include "DD4hep/DetFactoryHelper.h"
#include "DataFormats/Math/interface/CMSUnits.h"
#include "DetectorDescription/DDCMS/interface/DDPlugins.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <Math/Rotation3D.h>
#include <Math/AxisAngle.h>
#include <Math/DisplacementVector3D.h>

Go to the source code of this file.

Typedefs
using	DD3Vector = ROOT::Math::DisplacementVector3D< ROOT::Math::Cartesian3D< double > >
using	DDAxisAngle = ROOT::Math::AxisAngle

Functions
static long	algorithm (Detector &, cms::DDParsingContext &ctxt, xml_h e)
	DD4HEP_OPEN_PLUGIN (dd4hep, ddcms_det_element_DDCMS_global_DDAngular)

Typedef Documentation

DD3Vector

using DD3Vector = ROOT::Math::DisplacementVector3D<ROOT::Math::Cartesian3D<double> >

Definition at line 14 of file DDAngular.cc.

DDAxisAngle

using DDAxisAngle = ROOT::Math::AxisAngle

Definition at line 15 of file DDAngular.cc.

Function Documentation

algorithm()

static long algorithm ( Detector &  , cms::DDParsingContext &  ctxt, xml_h  e  )

static

Definition at line 23 of file DDAngular.cc.

                                                                       {
  cms::DDNamespace ns(ctxt, e, true);
  DDAlgoArguments args(ctxt, e);
 
  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");
  double startAngle = args.value<double>("StartAngle");
  double radius = args.value<double>("Radius");
  vector<double> center = args.value<vector<double> >("Center");
  vector<double> rotateSolid = args.value<vector<double> >("RotateSolid");
  Volume mother = ns.volume(args.parentName());
  string childName = args.value<string>("ChildName");
  childName = ns.prepend(childName);
  Volume child = ns.volume(childName);
 
  double delta = 0e0;
 
  if (fabs(rangeAngle - 360.0_deg) < 0.001_deg) {
    delta = rangeAngle / double(n);
  } else if (n > 1) {
    delta = rangeAngle / double(n - 1);
  }
 
  LogDebug("DDAlgorithm") << "debug: Parameters for positioning:: n " << n << " Start, Range, Delta "
                          << convertRadToDeg(startAngle) << " " << convertRadToDeg(rangeAngle) << " "
                          << convertRadToDeg(delta) << " Radius " << radius << " Centre " << center[0] << ", "
                          << center[1] << ", " << center[2] << ", Rotate solid " << rotateSolid[0] << ", "
                          << rotateSolid[1] << ", " << rotateSolid[2];
  LogDebug("DDAlgorithm") << "debug: Parent " << mother.name() << "\tChild " << child.name() << " NameSpace "
                          << ns.name();
 
  Rotation3D solidRot = Rotation3D();  // Identity rotation
  auto sz = rotateSolid.size();
  if (sz % 3) {
    LogDebug("DDAlgorithm") << "\trotateSolid must occur 3*n times (defining n subsequent rotations)\n"
                            << "\t  currently it appears " << sz << " times!\n";
  }
  for (unsigned int i = 0; i < sz; i += 3) {
    const double thetaValue = rotateSolid[i];
    if ((thetaValue > 180._deg) || (thetaValue < 0._deg)) {
      LogDebug("DDAlgorithm") << "\trotateSolid \'theta\' must be in range [0,180*deg]\n"
                              << "\t  currently it is " << convertRadToDeg(thetaValue) << "*deg in rotateSolid["
                              << double(i) << "]!\n";
    }
    DDAxisAngle temp(fUnitVector(rotateSolid[i], rotateSolid[i + 1]), rotateSolid[i + 2]);
    LogDebug("DDAlgorithm") << "  rotsolid[" << i << "] axis=" << temp.Axis()
                            << " rot.angle=" << convertRadToDeg(temp.Angle());
    solidRot = temp * solidRot;
  }
 
  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 = makeRotation3D(theta, phix, theta, phiy, 0., 0.) * solidRot;
    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));
    }
 
    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));
    LogDebug("DDAlgorithm") << "test " << child.name() << " number " << copy << " positioned in " << mother.name()
                            << " at " << tran << " with " << rotstr << ": " << rotation;
    copy += incrCopyNo;
    phi += delta;
  }
  return 1;
}

References writedatasetfile::args, angle_units::operators::convertRadToDeg(), filterCSVwithJSON::copy, funct::cos(), dumpMFGeometry_cfg::delta, MillePedeFileConverter_cfg::e, mps_fire::i, LogDebug, cms::makeRotation3D(), dqmiodumpmetadata::n, cms::DDNamespace::name(), cms::DDNamespace::nsName(), PixelTestBeamValidation_cfi::Position, cms::DDNamespace::prepend(), CosmicsPD_Skims::radius, idealTransformation::rotation, cms::DDNamespace::rotation(), cms::DDParsingContext::rotations, funct::sin(), groupFilesInBlocks::temp, theta(), and cms::DDNamespace::volume().

DD4HEP_OPEN_PLUGIN()

DD4HEP_OPEN_PLUGIN	(	dd4hep	,
		ddcms_det_element_DDCMS_global_DDAngular
	)

Definition at line 104 of file DDAngular.cc.