TrackerCommonData/plugins/DDTrackerLinear.cc

0001 ///////////////////////////////////////////////////////////////////////////////
0002 // File: DDTrackerLinear.cc
0003 // Description: Position n copies at given intervals along an axis
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/GlobalSystemOfUnits.h"
0014
0015 #include <string>
0016 #include <vector>
0017
0018 using namespace std;
0019
0020 class DDTrackerLinear : public DDAlgorithm {
0021 public:
0022   //Constructor and Destructor
0023   DDTrackerLinear();
0024   ~DDTrackerLinear() 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   string idNameSpace;     //Namespace of this and ALL sub-parts
0036   string childName;       //Child name
0037   int number;             //Number of positioning
0038   int startcn;            //Start copy no index
0039   int incrcn;             //Increment of copy no.
0040   double theta;           //Direction of translation
0041   double phi;             //  ......
0042   double offset;          //Offset    along (theta,phi) direction
0043   double delta;           //Increment     ................
0044   vector<double> centre;  //Centre
0045   string rotMat;          //Rotation matrix
0046 };
0047
0048 DDTrackerLinear::DDTrackerLinear() : startcn(1), incrcn(1) {
0049   LogDebug("TrackerGeom") << "DDTrackerLinear info: Creating an instance";
0050 }
0051
0052 DDTrackerLinear::~DDTrackerLinear() {}
0053
0054 void DDTrackerLinear::initialize(const DDNumericArguments& nArgs,
0055                                  const DDVectorArguments& vArgs,
0056                                  const DDMapArguments&,
0057                                  const DDStringArguments& sArgs,
0058                                  const DDStringVectorArguments&) {
0059   number = int(nArgs["Number"]);
0060   theta = nArgs["Theta"];
0061   phi = nArgs["Phi"];
0062   offset = nArgs["Offset"];
0063   delta = nArgs["Delta"];
0064   centre = vArgs["Center"];
0065   rotMat = sArgs["Rotation"];
0066   if (nArgs.find("StartCopyNo") != nArgs.end()) {
0067     startcn = size_t(nArgs["StartCopyNo"]);
0068   } else {
0069     startcn = 1;
0070   }
0071   if (nArgs.find("IncrCopyNo") != nArgs.end()) {
0072     incrcn = int(nArgs["IncrCopyNo"]);
0073   } else {
0074     incrcn = 1;
0075   }
0076
0077   idNameSpace = DDCurrentNamespace::ns();
0078   childName = sArgs["ChildName"];
0079   DDName parentName = parent().name();
0080   LogDebug("TrackerGeom") << "DDTrackerLinear debug: Parent " << parentName << "\tChild " << childName << " NameSpace "
0081                           << idNameSpace << "\tNumber " << number << "\tAxis (theta/phi) " << theta / CLHEP::deg << ", "
0082                           << phi / CLHEP::deg << "\t(Offset/Delta) " << offset << ", " << delta << "\tCentre "
0083                           << centre[0] << ", " << centre[1] << ", " << centre[2] << "\tRotation " << rotMat;
0084 }
0085
0086 void DDTrackerLinear::execute(DDCompactView& cpv) {
0087   DDName mother = parent().name();
0088   DDName child(DDSplit(childName).first, DDSplit(childName).second);
0089   DDTranslation direction(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
0090   DDTranslation base(centre[0], centre[1], centre[2]);
0091   string rotstr = DDSplit(rotMat).first;
0092   DDRotation rot;
0093   if (rotstr != "NULL") {
0094     string rotns = DDSplit(rotMat).second;
0095     rot = DDRotation(DDName(rotstr, rotns));
0096   }
0097   int ci = startcn;
0098   for (int i = 0; i < number; i++) {
0099     DDTranslation tran = base + (offset + double(i) * delta) * direction;
0100     cpv.position(child, mother, ci, tran, rot);
0101     LogDebug("TrackerGeom") << "DDTrackerLinear test: " << child << " number " << ci << " positioned in " << mother
0102                             << " at " << tran << " with " << rot;
0103     ++ci;
0104   }
0105 }
0106
0107 DEFINE_EDM_PLUGIN(DDAlgorithmFactory, DDTrackerLinear, "track:DDTrackerLinear");