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#include "Geometry/ForwardGeometry/interface/IdealZDCTrapezoid.h"
#include <cmath>
typedef CaloCellGeometry::CCGFloat CCGFloat;
typedef CaloCellGeometry::Pt3D Pt3D;
typedef CaloCellGeometry::Pt3DVec Pt3DVec;
IdealZDCTrapezoid::IdealZDCTrapezoid() : CaloCellGeometry() {}
IdealZDCTrapezoid::IdealZDCTrapezoid(const IdealZDCTrapezoid& idzt) : CaloCellGeometry(idzt) { *this = idzt; }
IdealZDCTrapezoid& IdealZDCTrapezoid::operator=(const IdealZDCTrapezoid& idzt) {
if (&idzt != this)
CaloCellGeometry::operator=(idzt);
return *this;
}
IdealZDCTrapezoid::IdealZDCTrapezoid(const GlobalPoint& faceCenter, CornersMgr* mgr, const CCGFloat* parm)
: CaloCellGeometry(faceCenter, mgr, parm) {
initSpan();
}
IdealZDCTrapezoid::~IdealZDCTrapezoid() {}
CCGFloat IdealZDCTrapezoid::an() const { return param()[0]; }
CCGFloat IdealZDCTrapezoid::dx() const { return param()[1]; }
CCGFloat IdealZDCTrapezoid::dy() const { return param()[2]; }
CCGFloat IdealZDCTrapezoid::dz() const { return param()[3]; }
CCGFloat IdealZDCTrapezoid::ta() const { return tan(an()); }
CCGFloat IdealZDCTrapezoid::dt() const { return dy() * ta(); }
void IdealZDCTrapezoid::vocalCorners(Pt3DVec& vec, const CCGFloat* pv, Pt3D& ref) const { localCorners(vec, pv, ref); }
void IdealZDCTrapezoid::localCorners(Pt3DVec& lc, const CCGFloat* pv, Pt3D& ref) {
assert(8 == lc.size());
assert(nullptr != pv);
const CCGFloat an(pv[0]);
const CCGFloat dx(pv[1]);
const CCGFloat dy(pv[2]);
const CCGFloat dz(pv[3]);
const CCGFloat ta(tan(an));
const CCGFloat dt(dy * ta);
lc[0] = Pt3D(-dx, -dy, +dz + dt);
lc[1] = Pt3D(-dx, +dy, +dz - dt);
lc[2] = Pt3D(+dx, +dy, +dz - dt);
lc[3] = Pt3D(+dx, -dy, +dz + dt);
lc[4] = Pt3D(-dx, -dy, -dz + dt);
lc[5] = Pt3D(-dx, +dy, -dz - dt);
lc[6] = Pt3D(+dx, +dy, -dz - dt);
lc[7] = Pt3D(+dx, -dy, -dz + dt);
ref = 0.25 * (lc[0] + lc[1] + lc[2] + lc[3]);
}
void IdealZDCTrapezoid::initCorners(CaloCellGeometry::CornersVec& corners) {
if (corners.uninitialized()) {
const GlobalPoint& p(getPosition());
const CCGFloat zsign(0 < p.z() ? 1. : -1.);
const Pt3D gf(p.x(), p.y(), p.z());
Pt3D lf;
Pt3DVec lc(8, Pt3D(0, 0, 0));
localCorners(lc, param(), lf);
const Pt3D lb(lf.x(), lf.y(), lf.z() - 2. * dz());
const Pt3D ls(lf.x() - dx(), lf.y(), lf.z());
const Pt3D gb(gf.x(), gf.y(), gf.z() + 2. * zsign * dz());
const Pt3D gs(gf.x() - zsign * dx(), gf.y(), gf.z());
const HepGeom::Transform3D tr(lf, lb, ls, gf, gb, gs);
for (unsigned int i(0); i != 8; ++i) {
const Pt3D gl(tr * lc[i]);
corners[i] = GlobalPoint(gl.x(), gl.y(), gl.z());
}
}
}
std::ostream& operator<<(std::ostream& s, const IdealZDCTrapezoid& cell) {
s << "Center: " << cell.getPosition() << std::endl;
s << "TiltAngle = " << cell.an() * 180. / M_PI << " deg, dx = " << cell.dx() << ", dy = " << cell.dy()
<< ", dz = " << cell.dz() << std::endl;
return s;
}
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