OpalLocalCylindricalOffset.cpp

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/*
 *  Copyright (c) 2012, Chris Rogers
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#include "Elements/OpalOffset/OpalLocalCylindricalOffset.h"
 
#include <string>
 
#include "AbsBeamline/Offset.h"
#include "Elements/OpalElement.h"
 
#include "Attributes/Attributes.h"
 
namespace OpalOffset {
 
const std::string OpalLocalCylindricalOffset::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.");
 
OpalLocalCylindricalOffset::OpalLocalCylindricalOffset()
       : OpalElement(int(SIZE),
                     "LOCAL_CYLINDRICAL_OFFSET",
                     doc_string.c_str()) {
    itsAttr[THETA_IN] = Attributes::makeReal("THETA_IN",
             "Angle between the previous element and the displacement vector [rad].");
    itsAttr[THETA_OUT] = Attributes::makeReal("THETA_OUT",
             "Angle between the displacement vector and the next element [rad].");
    itsAttr[LENGTH] = Attributes::makeReal("LENGTH", "Length of the offset [m].");
 
    registerOwnership();
}
 
OpalLocalCylindricalOffset* OpalLocalCylindricalOffset::clone(const std::string &name) {
    return new OpalLocalCylindricalOffset(name, this);
}
 
void OpalLocalCylindricalOffset::print(std::ostream& out) const {
    OpalElement::print(out);
}
 
OpalLocalCylindricalOffset::OpalLocalCylindricalOffset(const std::string &name, OpalLocalCylindricalOffset *parent):
    OpalElement(name, parent) {
}
 
OpalLocalCylindricalOffset::~OpalLocalCylindricalOffset() {}
 
void OpalLocalCylindricalOffset::update() {
    // getOpalName() comes from AbstractObjects/Object.h
    std::string name = getOpalName();
    double length = Attributes::getReal(itsAttr[LENGTH]);
    double theta_in = Attributes::getReal(itsAttr[THETA_IN]);
    double theta_out = Attributes::getReal(itsAttr[THETA_OUT]);
    Offset* off = new Offset(Offset::localCylindricalOffset(name,
                                                            theta_in,
                                                            theta_out,
                                                            length));
    // is this a memory leak?
    setElement(off);
}
 
}