Geometry/CaloGeometry/src/PreshowerStrip.cc - master - githubmirror/cmssw

Geometry/CaloGeometry/src/PreshowerStrip.cc
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11 май 2019, 12:09
11 май 2019, 12:0902cea70
#include "Geometry/CaloGeometry/interface/PreshowerStrip.h"
#include <iostream>

typedef PreshowerStrip::CCGFloat CCGFloat;
typedef PreshowerStrip::Pt3D Pt3D;
typedef PreshowerStrip::Pt3DVec Pt3DVec;
typedef PreshowerStrip::Tr3D Tr3D;

PreshowerStrip::PreshowerStrip() : CaloCellGeometry() {}

PreshowerStrip::PreshowerStrip(const PreshowerStrip& tr) : CaloCellGeometry(tr) { *this = tr; }

PreshowerStrip::~PreshowerStrip() {}

PreshowerStrip& PreshowerStrip::operator=(const PreshowerStrip& tr) {
  if (&tr != this) {
    CaloCellGeometry::operator=(tr);
  }
  return *this;
}

void PreshowerStrip::initCorners(CaloCellGeometry::CornersVec& corners) {
  if (corners.uninitialized()) {
    const GlobalPoint& ctr(getPosition());
    const CCGFloat x(ctr.x());
    const CCGFloat y(ctr.y());
    const CCGFloat z(ctr.z());

    const double st(sin(tilt()));
    const double ct(cos(tilt()));

    for (unsigned int ix(0); ix != 2; ++ix) {
      const double sx(0 == ix ? -1.0 : +1.0);
      for (unsigned int iy(0); iy != 2; ++iy) {
        const double sy(0 == iy ? -1.0 : +1.0);
        for (unsigned int iz(0); iz != 2; ++iz) {
          const double sz(0 == iz ? -1.0 : +1.0);
          const unsigned int i(4 * iz + 2 * ix + (1 == ix ? 1 - iy : iy));  //keeps ordering same as before

          corners[i] =
              GlobalPoint(dy() > dx() ? x + sx * dx() : x + sx * dx() * ct - sz * dz() * st,
                          dy() < dx() ? y + sy * dy() : y + sy * dy() * ct - sz * dz() * st,
                          dy() > dx() ? z + sz * dz() * ct + sy * dy() * st : z + sz * dz() * ct + sx * dx() * st);
        }
      }
    }
  }
}

std::ostream& operator<<(std::ostream& s, const PreshowerStrip& cell) {
  s << "Center: " << cell.getPosition() << std::endl;
  if (cell.param() != nullptr) {
    s << "dx = " << cell.dx() << ", dy = " << cell.dy() << ", dz = " << cell.dz() << std::endl;

    const CaloCellGeometry::CornersVec& corners(cell.getCorners());
    for (unsigned int ci(0); ci != corners.size(); ci++) {
      s << "Corner: " << corners[ci] << std::endl;
    }
  } else {
    s << " with empty parameters." << std::endl;
  }

  return s;
}

void PreshowerStrip::localCorners(Pt3DVec& lc, const CCGFloat* pv, Pt3D& ref) {
  assert(8 == lc.size());
  assert(nullptr != pv);

  const CCGFloat dx(pv[0]);
  const CCGFloat dy(pv[1]);
  const CCGFloat dz(pv[2]);

  lc[0] = Pt3D(-dx, -dy, -dz);
  lc[1] = Pt3D(-dx, dy, -dz);
  lc[2] = Pt3D(dx, dy, -dz);
  lc[3] = Pt3D(dx, -dy, -dz);
  lc[4] = Pt3D(-dx, -dy, dz);
  lc[5] = Pt3D(-dx, dy, dz);
  lc[6] = Pt3D(dx, dy, dz);
  lc[7] = Pt3D(dx, -dy, dz);

  ref = Pt3D(0, 0, 0);
}