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#include "FWCore/Framework/interface/one/EDAnalyzer.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "Geometry/Records/interface/MuonGeometryRecord.h"
#include "Geometry/CSCGeometry/interface/CSCGeometry.h"
#include "Geometry/CSCGeometry/interface/CSCLayer.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include <string>
#include <iomanip> // for setw() etc.
#include <vector>
class CSCGeometryAsChambers : public edm::one::EDAnalyzer<> {
public:
explicit CSCGeometryAsChambers(const edm::ParameterSet&);
~CSCGeometryAsChambers() override = default;
void beginJob() override {}
void analyze(edm::Event const&, edm::EventSetup const&) override;
void endJob() override {}
const std::string& myName() { return myName_; }
private:
const int dashedLineWidth_;
const std::string dashedLine_;
const std::string myName_;
const edm::ESGetToken<CSCGeometry, MuonGeometryRecord> tokGeom_;
};
CSCGeometryAsChambers::CSCGeometryAsChambers(const edm::ParameterSet& iConfig)
: dashedLineWidth_(132),
dashedLine_(std::string(dashedLineWidth_, '-')),
myName_("CSCGeometryAsChambers"),
tokGeom_(esConsumes()) {}
void CSCGeometryAsChambers::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
std::cout << myName() << ": Analyzer..." << std::endl;
std::cout << "start " << dashedLine_ << std::endl;
const edm::ESHandle<CSCGeometry>& pDD = iSetup.getHandle(tokGeom_);
std::cout << " Geometry node for CSCGeom is " << &(*pDD) << std::endl;
std::cout << " I have " << pDD->dets().size() << " detectors" << std::endl;
std::cout << " I have " << pDD->detTypes().size() << " types"
<< "\n"
<< std::endl;
std::cout << " I have " << pDD->detUnits().size() << " detUnits" << std::endl;
std::cout << " I have " << pDD->dets().size() << " dets" << std::endl;
std::cout << " I have " << pDD->layers().size() << " layers" << std::endl;
std::cout << " I have " << pDD->chambers().size() << " chambers" << std::endl;
std::cout << myName() << ": Begin iteration over geometry..." << std::endl;
int icount = 0;
const CSCGeometry::ChamberContainer& vc = pDD->chambers();
std::cout << "No. of chambers stored = " << vc.size() << std::endl;
std::cout << "\n # id(dec) id(oct) labels length width thickness "
" g(x=0) g(y=0) g(z=0) g(z=-1) g(z=+1) "
" phi(0)"
<< std::endl;
std::cout << dashedLine_ << std::endl;
for (auto chamber : vc) {
if (chamber) {
++icount;
// What's its DetId?
CSCDetId detId = chamber->id();
int id = detId(); // or detId.rawId()
// std::cout << "GeomDetUnit is of type " << detId.det() << " and raw id = " << id << std::endl;
// There's going to be a lot of messing with field width (and precision) so
// save input values...
int iw = std::cout.width(); // save current width
int ip = std::cout.precision(); // save current precision
// std::cout << "\n" << "Parameters of chamber# " <<
std::cout << std::setw(4) << icount << std::setw(12) << id << std::oct << std::setw(12) << id << std::dec
<< std::setw(iw) << " E" << detId.endcap() << " S" << detId.station() << " R" << detId.ring() << " C"
<< std::setw(2) << detId.chamber() << std::setw(iw);
// What's its surface?
// The surface knows how to transform local <-> global
const Surface& bSurface = chamber->surface();
// std::cout << " length=" << bSurface.bounds().length() <<
// ", width=" << bSurface.bounds().width() <<
// ", thickness=" << bSurface.bounds().thickness() << std::endl;
std::cout << std::setw(12) << std::setprecision(8) << bSurface.bounds().length() << std::setw(12)
<< std::setprecision(8) << bSurface.bounds().width() << std::setw(12) << std::setprecision(6)
<< bSurface.bounds().thickness();
// Check global coordinates of centre of CSCChamber, and how
// local z direction relates to global z direction
LocalPoint lCentre(0., 0., 0.);
GlobalPoint gCentre = bSurface.toGlobal(lCentre);
LocalPoint lCentre1(0., 0., -1.);
GlobalPoint gCentre1 = bSurface.toGlobal(lCentre1);
LocalPoint lCentre2(0., 0., 1.);
GlobalPoint gCentre2 = bSurface.toGlobal(lCentre2);
// std::cout << "local(0,0,-1) = global " << gCentre1 << std::endl;
// std::cout << "local(0,0) = global " << gCentre << std::endl;
// std::cout << "local(0,0,+1) = global " << gCentre2 << std::endl;
double gx = gCentre.x();
double gy = gCentre.y();
double gz = gCentre.z();
double gz1 = gCentre1.z();
double gz2 = gCentre2.z();
if (fabs(gx) < 1.e-06)
gx = 0.;
if (fabs(gy) < 1.e-06)
gy = 0.;
if (fabs(gz) < 1.e-06)
gz = 0.;
if (fabs(gz1) < 1.e-06)
gz1 = 0.;
if (fabs(gz2) < 1.e-06)
gz2 = 0.;
int now = 9;
int nop = 5;
std::cout << std::setw(now) << std::setprecision(nop) << gx << std::setw(now) << std::setprecision(nop) << gy
<< std::setw(now) << std::setprecision(nop) << gz << std::setw(now) << std::setprecision(nop) << gz1
<< std::setw(now) << std::setprecision(nop) << gz2;
// Global Phi of centre of CSCChamber
//@@ CARE The following attempted conversion to degrees can be easily
// subverted by GeometryVector/Phi.h enforcing its range convention!
// Either a) use a separate local double before scaling...
// double cphi = gCentre.phi();
// double cphiDeg = cphi * radToDeg;
// or b) use Phi's degree conversion...
double cphiDeg = gCentre.phi().degrees();
// I want to display in range 0 to 360
// Handle some occasional ugly precision problems around zero
if (fabs(cphiDeg) < 1.e-06) {
cphiDeg = 0.;
} else if (cphiDeg < 0.) {
cphiDeg += 360.;
} else if (cphiDeg >= 360.) {
std::cout << "WARNING: resetting phi= " << cphiDeg << " to zero." << std::endl;
cphiDeg = 0.;
}
// int iphiDeg = static_cast<int>( cphiDeg );
// std::cout << "phi(0,0,0) = " << iphiDeg << " degrees" << std::endl;
now = 9;
nop = 4;
std::cout << std::setw(now) << std::setprecision(nop) << cphiDeg << std::endl;
// Reset the values we changed
std::cout << std::setprecision(ip) << std::setw(iw);
} else {
std::cout << "*** DANGER WILL ROBINSON! *** Stored a null CSCChamber*? " << std::endl;
}
}
std::cout << dashedLine_ << " end" << std::endl;
}
//define this as a plug-in
DEFINE_FWK_MODULE(CSCGeometryAsChambers);
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