plugins/dd4hep/DDTECPhiAlgo.cc

0001 #include "DD4hep/DetFactoryHelper.h"
0002 #include "DataFormats/Math/interface/CMSUnits.h"
0003 #include "DetectorDescription/DDCMS/interface/DDPlugins.h"
0004 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0005
0006 using namespace std;
0007 using namespace dd4hep;
0008 using namespace cms;
0009 using namespace cms_units::operators;
0010
0011 static long algorithm(Detector& /* description */, cms::DDParsingContext& ctxt, xml_h e) {
0012   cms::DDNamespace ns(ctxt, e, true);
0013   DDAlgoArguments args(ctxt, e);
0014   Volume mother = ns.volume(args.parentName());
0015   Volume child = ns.volume(args.childName());
0016   double startAngle = args.value<double>("StartAngle");                             //Start angle
0017   double incrAngle = args.value<double>("IncrAngle");                               //Increment in angle
0018   double zIn = args.value<double>("ZIn");                                           //z position for the even ones
0019   double zOut = args.value<double>("ZOut");                                         //z position for the odd  ones
0020   int number = args.value<double>("Number");                                        //Number of copies
0021   int startCopyNo = args.find("StartCopyNo") ? args.value<int>("StartCopyNo") : 1;  //Start copy number
0022   int incrCopyNo = args.find("IncrCopyNo") ? args.value<int>("IncrCopyNo") : 1;     //Increment in copy number
0023
0024   edm::LogVerbatim("TECGeom") << "debug: Parameters for "
0025                               << "positioning--"
0026                               << "\tStartAngle " << convertRadToDeg(startAngle) << "\tIncrAngle "
0027                               << convertRadToDeg(incrAngle) << "\tZ in/out " << zIn << ", " << zOut << "\tCopy Numbers "
0028                               << number << " Start/Increment " << startCopyNo << ", " << incrCopyNo;
0029   edm::LogVerbatim("TECGeom") << "debug: Parent " << mother.name() << "\tChild " << child.name() << " NameSpace "
0030                               << ns.name();
0031
0032   if (number > 0) {
0033     double theta = 90._deg;
0034     int copyNo = startCopyNo;
0035     for (int i = 0; i < number; i++) {
0036       double phix = startAngle + i * incrAngle;
0037       double phiy = phix + 90._deg;
0038       Rotation3D rotation = makeRotation3D(theta, phix, theta, phiy, 0, 0);
0039       Position tran(0., 0., (i % 2 == 0) ? zIn : zOut);
0040       /* PlacedVolume pv = */ mother.placeVolume(child, copyNo, Transform3D(rotation, tran));
0041       edm::LogVerbatim("TECGeom") << "test: " << child.name() << " number " << copyNo << " positioned in "
0042                                   << mother.name() << " at " << tran << " with " << rotation;
0043       copyNo += incrCopyNo;
0044     }
0045   }
0046   return 1;
0047 }
0048
0049 // first argument is the type from the xml file
0050 DECLARE_DDCMS_DETELEMENT(DDCMS_track_DDTECPhiAlgo, algorithm)