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///////////////////////////////////////////////////////////////////////////////
// File: DDHCalTBZposAlgo.cc
// Description: Position inside the mother by shifting along Z given by eta
///////////////////////////////////////////////////////////////////////////////
#include <cmath>
#include <algorithm>
#include <map>
#include <string>
#include <vector>
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/PluginManager/interface/PluginFactory.h"
#include "DataFormats/Math/interface/angle_units.h"
#include "DetectorDescription/Core/interface/DDTypes.h"
#include "DetectorDescription/Core/interface/DDAlgorithm.h"
#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/DDCurrentNamespace.h"
#include "DetectorDescription/Core/interface/DDSplit.h"
#include "DetectorDescription/Core/interface/DDAlgorithmFactory.h"
//#define EDM_ML_DEBUG
using namespace angle_units::operators;
class DDHCalTBZposAlgo : public DDAlgorithm {
public:
//Constructor and Destructor
DDHCalTBZposAlgo();
~DDHCalTBZposAlgo() override;
void initialize(const DDNumericArguments& nArgs,
const DDVectorArguments& vArgs,
const DDMapArguments& mArgs,
const DDStringArguments& sArgs,
const DDStringVectorArguments& vsArgs) override;
void execute(DDCompactView& cpv) override;
private:
double eta; //Eta at which beam is focussed
double theta; //Corresponding theta value
double shiftY; //Shift along Y
double shiftX; //Shift along X
double zoffset; //Offset in z
double dist; //Radial distance
double tilt; //Tilt with respect to y-axis
int copyNumber; //Copy Number
std::string idNameSpace; //Namespace of this and ALL sub-parts
std::string childName; //Children name
};
DDHCalTBZposAlgo::DDHCalTBZposAlgo() {
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalTBZposAlgo: Creating an instance";
#endif
}
DDHCalTBZposAlgo::~DDHCalTBZposAlgo() {}
void DDHCalTBZposAlgo::initialize(const DDNumericArguments& nArgs,
const DDVectorArguments&,
const DDMapArguments&,
const DDStringArguments& sArgs,
const DDStringVectorArguments&) {
eta = nArgs["Eta"];
theta = 2.0 * atan(exp(-eta));
shiftX = nArgs["ShiftX"];
shiftY = nArgs["ShiftY"];
zoffset = nArgs["Zoffset"];
dist = nArgs["Distance"];
tilt = nArgs["TiltAngle"];
copyNumber = int(nArgs["Number"]);
edm::LogVerbatim("HCalGeom") << "DDHCalTBZposAlgo: Parameters for position"
<< "ing--"
<< " Eta " << eta << "\tTheta " << convertRadToDeg(theta) << "\tShifts " << shiftX
<< ", " << shiftY << " along x, y "
<< "axes; \tZoffest " << zoffset << "\tRadial Distance " << dist << "\tTilt angle "
<< convertRadToDeg(tilt) << "\tcopyNumber " << copyNumber;
idNameSpace = DDCurrentNamespace::ns();
childName = sArgs["ChildName"];
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalTBZposAlgo: Parent " << parent().name() << "\tChild " << childName
<< " NameSpace " << idNameSpace;
#endif
}
void DDHCalTBZposAlgo::execute(DDCompactView& cpv) {
DDName mother = parent().name();
DDName child(DDSplit(childName).first, DDSplit(childName).second);
double thetax = 90._deg - theta;
double z = zoffset + dist * tan(thetax);
double x = shiftX - shiftY * sin(tilt);
double y = shiftY * cos(tilt);
DDTranslation tran(x, y, z);
DDRotation rot;
if (tilt != 0) {
std::string rotstr = "R" + formatAsDegrees(tilt);
rot = DDRotation(DDName(rotstr, idNameSpace));
if (!rot) {
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalZposAlgo: Creating a rotation " << DDName(rotstr, idNameSpace) << "\t90, "
<< convertRadToDeg(tilt) << ",90," << (90 + convertRadToDeg(tilt)) << ", 0, 0";
#endif
rot = DDrot(DDName(rotstr, idNameSpace), 90._deg, tilt, 90._deg, (90._deg + tilt), 0.0, 0.0);
}
}
cpv.position(child, mother, copyNumber, tran, rot);
#ifdef EDM_ML_DEBUG
edm::LogVerbatim("HCalGeom") << "DDHCalTBZposAlgo: " << child << " number " << copyNumber << " positioned in "
<< mother << " at " << tran << " with " << rot;
#endif
}
DEFINE_EDM_PLUGIN(DDAlgorithmFactory, DDHCalTBZposAlgo, "hcal:DDHCalTBZposAlgo");
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