DTGeometryBuilderFromDD4Hep.cc

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// -*- C++ -*-
//
// Package:    Geometry/DTGeometryBuilder
// Class:      DTGeometryBuilderFromDD4Hep
//
//
// Original Author:  Ianna Osborne
//         Created:  Wed, 16 Jan 2019 10:19:37 GMT
//         Modified by Sergio Lo Meo (sergio.lo.meo@cern.ch) Mon, 31 August 2020
//
//
#include "CondFormats/GeometryObjects/interface/RecoIdealGeometry.h"
#include "CondFormats/Alignment/interface/DetectorGlobalPosition.h"
#include "CondFormats/Alignment/interface/AlignmentErrorsExtended.h"
#include "CondFormats/AlignmentRecord/interface/GlobalPositionRcd.h"
#include "CondFormats/AlignmentRecord/interface/DTAlignmentRcd.h"
#include "CondFormats/AlignmentRecord/interface/DTAlignmentErrorRcd.h"
#include "CondFormats/AlignmentRecord/interface/DTAlignmentErrorExtendedRcd.h"
#include "Geometry/CommonTopologies/interface/GeometryAligner.h"
#include "Geometry/Records/interface/DTRecoGeometryRcd.h"
#include "DataFormats/GeometrySurface/interface/Plane.h"
#include "DataFormats/GeometrySurface/interface/Bounds.h"
#include "DataFormats/GeometrySurface/interface/RectangularPlaneBounds.h"
#include "Geometry/MuonNumbering/interface/MuonGeometryNumbering.h"
#include "Geometry/Records/interface/MuonNumberingRecord.h"
#include "Geometry/Records/interface/MuonGeometryRecord.h"
#include "Geometry/Records/interface/GeometryFileRcd.h"
#include "Geometry/DTGeometry/interface/DTGeometry.h"
#include "Geometry/MuonNumbering/interface/MuonBaseNumber.h"
#include "Geometry/MuonNumbering/interface/DTNumberingScheme.h"
#include "DTGeometryBuilderFromDD4Hep.h"
#include "DD4hep/Detector.h"
 
#include <memory>
#include <string>
#include <string_view>
 
using namespace edm;
using namespace std;
 
void DTGeometryBuilderFromDD4Hep::buildGeometry(cms::DDFilteredView& fview,
                                                DTGeometry& geom,
                                                const MuonGeometryConstants& num) const {
  bool doChamber = fview.firstChild();
 
  while (doChamber) {
    DTChamber* chamber = buildChamber(fview, num);
 
    bool doSL = fview.nextSibling();
    while (doSL) {
      DTSuperLayer* sl = buildSuperLayer(fview, chamber, num);
 
      fview.down();
      bool doLayers = fview.sibling();
      while (doLayers) {
        DTLayer* l = buildLayer(fview, sl, num);
        geom.add(l);
 
        doLayers = fview.sibling();
      }
 
      geom.add(sl);
      doSL = fview.nextSibling();
    }
    geom.add(chamber);
 
    fview.parent();
    doChamber = fview.firstChild();
  }
}
 
DTGeometryBuilderFromDD4Hep::RCPPlane DTGeometryBuilderFromDD4Hep::plane(const cms::DDFilteredView& fview,
                                                                         Bounds* bounds) const {
  const Double_t* tr = fview.trans();
  const Double_t* rot = fview.rot();
 
  return RCPPlane(
      new Plane(Surface::PositionType(tr[0], tr[1], tr[2]),
                Surface::RotationType(rot[0], rot[3], rot[6], rot[1], rot[4], rot[7], rot[2], rot[5], rot[8]),
                bounds));
}
 
DTChamber* DTGeometryBuilderFromDD4Hep::buildChamber(cms::DDFilteredView& fview,
                                                     const MuonGeometryConstants& muonConstants) const {
  MuonGeometryNumbering mdddnum(muonConstants);
  DTNumberingScheme dtnum(muonConstants);
  int rawid = dtnum.baseNumberToUnitNumber(mdddnum.geoHistoryToBaseNumber(fview.history()));
 
  DTChamberId detId(rawid);
  auto const& par = fview.parameters();
 
  RCPPlane surf(plane(fview, new RectangularPlaneBounds(par[0], par[1], par[2])));
 
  DTChamber* chamber = new DTChamber(detId, surf);
 
  return chamber;
}
 
DTSuperLayer* DTGeometryBuilderFromDD4Hep::buildSuperLayer(cms::DDFilteredView& fview,
                                                           DTChamber* chamber,
                                                           const MuonGeometryConstants& muonConstants) const {
  MuonGeometryNumbering mdddnum(muonConstants);
  DTNumberingScheme dtnum(muonConstants);
  int rawid = dtnum.baseNumberToUnitNumber(mdddnum.geoHistoryToBaseNumber(fview.history()));
 
  DTSuperLayerId slId(rawid);
 
  auto const& par = fview.parameters();
 
  RCPPlane surf(plane(fview, new RectangularPlaneBounds(par[0], par[1], par[2])));
 
  DTSuperLayer* slayer = new DTSuperLayer(slId, surf, chamber);
 
  chamber->add(slayer);
 
  return slayer;
}
 
DTLayer* DTGeometryBuilderFromDD4Hep::buildLayer(cms::DDFilteredView& fview,
                                                 DTSuperLayer* sl,
                                                 const MuonGeometryConstants& muonConstants) const {
  MuonGeometryNumbering mdddnum(muonConstants);
  DTNumberingScheme dtnum(muonConstants);
  int rawid = dtnum.baseNumberToUnitNumber(mdddnum.geoHistoryToBaseNumber(fview.history()));
 
  DTLayerId layId(rawid);
 
  auto const& par = fview.parameters();
 
  RCPPlane surf(plane(fview, new RectangularPlaneBounds(par[0], par[1], par[2])));
 
  fview.down();
  bool doWire = fview.sibling();
  int firstWire = fview.volume()->GetNumber();
  auto const& wpar = fview.parameters();
  float wireLength = wpar[1];
 
  int WCounter = 0;
  while (doWire) {
    doWire = fview.checkChild();
    WCounter++;
  }
  fview.up();
 
  DTTopology topology(firstWire, WCounter, wireLength);
 
  DTLayerType layerType;
 
  DTLayer* layer = new DTLayer(layId, surf, topology, layerType, sl);
 
  sl->add(layer);
  return layer;
}
 
void DTGeometryBuilderFromDD4Hep::build(DTGeometry& geom,
                                        const cms::DDDetector* det,
                                        const MuonGeometryConstants& num,
                                        const dd4hep::SpecParRefs& refs) {
  cms::Volume top = det->worldVolume();
  cms::DDFilteredView fview(det, top);
  fview.mergedSpecifics(refs);
  buildGeometry(fview, geom, num);
}