TrackerCommonData/plugins/DDTrackerPhiAltAlgo.cc

0001 ///////////////////////////////////////////////////////////////////////////////
0002 // File: DDTrackerPhiAltAlgo.cc
0003 // Description: Position n copies inside and outside at alternate phi values
0004 ///////////////////////////////////////////////////////////////////////////////
0005
0006 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0007 #include "DetectorDescription/Core/interface/DDCurrentNamespace.h"
0008 #include "DetectorDescription/Core/interface/DDSplit.h"
0009 #include "DetectorDescription/Core/interface/DDTypes.h"
0010 #include "DetectorDescription/Core/interface/DDAlgorithm.h"
0011 #include "DetectorDescription/Core/interface/DDAlgorithmFactory.h"
0012 #include <CLHEP/Units/GlobalPhysicalConstants.h>
0013 #include <CLHEP/Units/SystemOfUnits.h>
0014
0015 #include <string>
0016 #include <vector>
0017
0018 using namespace std;
0019
0020 class DDTrackerPhiAltAlgo : public DDAlgorithm {
0021 public:
0022   //Constructor and Destructor
0023   DDTrackerPhiAltAlgo();
0024   ~DDTrackerPhiAltAlgo() override;
0025
0026   void initialize(const DDNumericArguments& nArgs,
0027                   const DDVectorArguments& vArgs,
0028                   const DDMapArguments& mArgs,
0029                   const DDStringArguments& sArgs,
0030                   const DDStringVectorArguments& vsArgs) override;
0031
0032   void execute(DDCompactView& cpv) override;
0033
0034 private:
0035   double tilt;        //Tilt of the module
0036   double startAngle;  //offset in phi
0037   double rangeAngle;  //Maximum range in phi
0038   double radiusIn;    //Inner radius
0039   double radiusOut;   //Outer radius
0040   double zpos;        //z position
0041   int number;         //Number of copies
0042   int startCopyNo;    //Start copy number
0043   int incrCopyNo;     //Increment in copy number
0044
0045   string idNameSpace;  //Namespace of this and ALL sub-parts
0046   string childName;    //Child name
0047 };
0048
0049 DDTrackerPhiAltAlgo::DDTrackerPhiAltAlgo() {
0050   LogDebug("TrackerGeom") << "DDTrackerPhiAltAlgo info: Creating an instance";
0051 }
0052
0053 DDTrackerPhiAltAlgo::~DDTrackerPhiAltAlgo() {}
0054
0055 void DDTrackerPhiAltAlgo::initialize(const DDNumericArguments& nArgs,
0056                                      const DDVectorArguments&,
0057                                      const DDMapArguments&,
0058                                      const DDStringArguments& sArgs,
0059                                      const DDStringVectorArguments&) {
0060   tilt = nArgs["Tilt"];
0061   startAngle = nArgs["StartAngle"];
0062   rangeAngle = nArgs["RangeAngle"];
0063   radiusIn = nArgs["RadiusIn"];
0064   radiusOut = nArgs["RadiusOut"];
0065   zpos = nArgs["ZPosition"];
0066   number = int(nArgs["Number"]);
0067   startCopyNo = int(nArgs["StartCopyNo"]);
0068   incrCopyNo = int(nArgs["IncrCopyNo"]);
0069
0070   LogDebug("TrackerGeom") << "DDTrackerPhiAltAlgo debug: Parameters for "
0071                           << "positioning--"
0072                           << " Tilt " << tilt << "\tStartAngle " << startAngle / CLHEP::deg << "\tRangeAngle "
0073                           << rangeAngle / CLHEP::deg << "\tRin " << radiusIn << "\tRout " << radiusOut << "\t ZPos "
0074                           << zpos << "\tCopy Numbers " << number << " Start/Increment " << startCopyNo << ", "
0075                           << incrCopyNo;
0076
0077   idNameSpace = DDCurrentNamespace::ns();
0078   childName = sArgs["ChildName"];
0079   DDName parentName = parent().name();
0080   LogDebug("TrackerGeom") << "DDTrackerPhiAltAlgo debug: Parent " << parentName << "\tChild " << childName
0081                           << " NameSpace " << idNameSpace;
0082 }
0083
0084 void DDTrackerPhiAltAlgo::execute(DDCompactView& cpv) {
0085   if (number > 0) {
0086     double theta = 90. * CLHEP::deg;
0087     double dphi;
0088     if (number == 1 || fabs(rangeAngle - 360.0 * CLHEP::deg) < 0.001 * CLHEP::deg)
0089       dphi = rangeAngle / number;
0090     else
0091       dphi = rangeAngle / (number - 1);
0092     int copyNo = startCopyNo;
0093
0094     DDName mother = parent().name();
0095     DDName child(DDSplit(childName).first, DDSplit(childName).second);
0096     for (int i = 0; i < number; i++) {
0097       double phi = startAngle + i * dphi;
0098       double phix = phi - tilt + 90. * CLHEP::deg;
0099       double phiy = phix + 90. * CLHEP::deg;
0100       double phideg = phix / CLHEP::deg;
0101
0102       DDRotation rotation;
0103       if (phideg != 0) {
0104         string rotstr = DDSplit(childName).first + to_string(phideg * 10.);
0105         rotation = DDRotation(DDName(rotstr, idNameSpace));
0106         if (!rotation) {
0107           LogDebug("TrackerGeom") << "DDTrackerPhiAltAlgo test: Creating a new"
0108                                   << " rotation " << rotstr << "\t"
0109                                   << "90., " << phix / CLHEP::deg << ", 90.," << phiy / CLHEP::deg << ", 0, 0";
0110           rotation = DDrot(DDName(rotstr, idNameSpace), theta, phix, theta, phiy, 0., 0.);
0111         }
0112       }
0113
0114       double xpos, ypos;
0115       if (i % 2 == 0) {
0116         xpos = radiusIn * cos(phi);
0117         ypos = radiusIn * sin(phi);
0118       } else {
0119         xpos = radiusOut * cos(phi);
0120         ypos = radiusOut * sin(phi);
0121       }
0122       DDTranslation tran(xpos, ypos, zpos);
0123
0124       cpv.position(child, mother, copyNo, tran, rotation);
0125       LogDebug("TrackerGeom") << "DDTrackerPhiAltAlgo test: " << child << " number " << copyNo << " positioned in "
0126                               << mother << " at " << tran << " with " << rotation;
0127       copyNo += incrCopyNo;
0128     }
0129   }
0130 }
0131
0132 DEFINE_EDM_PLUGIN(DDAlgorithmFactory, DDTrackerPhiAltAlgo, "track:DDTrackerPhiAltAlgo");