OpalGlobalCylindricalOffset.cpp

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/*
 *  Copyright (c) 2012, Chris Rogers
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#include "Elements/OpalOffset/OpalGlobalCylindricalOffset.h"

#include <string>

#include "AbsBeamline/Offset.h"
#include "Elements/OpalElement.h"

#include "Attributes/Attributes.h"

namespace OpalOffset {

const std::string OpalGlobalCylindricalOffset::doc_string =
    std::string("The \"LOCAL_CYLINDRICAL_OFFSET\" element defines an offset")+
    std::string("in cylindrical coordinates, relative to the last placed ")+
    std::string("element. All angles are defined in the midplane.");

OpalGlobalCylindricalOffset::OpalGlobalCylindricalOffset()
       : OpalElement(int(SIZE),
                     "GLOBAL_CYLINDRICAL_OFFSET",
                     doc_string.c_str()) {
    itsAttr[RADIUS] = Attributes::makeReal("RADIUS",
             "Angle between the previous element and the displacement vector.");
    itsAttr[AZIMUTHAL_ANGLE] = Attributes::makeReal("AZIMUTHAL_ANGLE",
             "Angle between the displacement vector and the next element.");
    itsAttr[TANGENTIAL_OFFSET] = Attributes::makeReal("TANGENTIAL_OFFSET",
             "Length of the offset.");

    registerOwnership();
}

OpalGlobalCylindricalOffset* OpalGlobalCylindricalOffset::clone(const std::string &name) {
    return new OpalGlobalCylindricalOffset(name, this);
}

void OpalGlobalCylindricalOffset::print(std::ostream& out) const {
    OpalElement::print(out);
}

OpalGlobalCylindricalOffset::OpalGlobalCylindricalOffset(const std::string &name, OpalGlobalCylindricalOffset *parent):
    OpalElement(name, parent) {
}

OpalGlobalCylindricalOffset::~OpalGlobalCylindricalOffset() {}

void OpalGlobalCylindricalOffset::update() {
    // getOpalName() comes from AbstractObjects/Object.h
    std::string name = getOpalName();
    double radius = Attributes::getReal(itsAttr[RADIUS]);
    double phi = Attributes::getReal(itsAttr[AZIMUTHAL_ANGLE]);
    double theta = Attributes::getReal(itsAttr[TANGENTIAL_OFFSET]);
    Offset* off = new Offset(Offset::globalCylindricalOffset(name,
                                                            radius,
                                                            phi,
                                                            theta));
    // is this a memory leak?
    setElement(off);
}
}