OpalProbe.cpp

Go to the documentation of this file.

//
// Class OpalProbe
//   The Probe element.
//
// Copyright (c) 200x - 2020, Paul Scherrer Institut, Villigen PSI, Switzerland
// All rights reserved
//
// This file is part of OPAL.
//
// OPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// You should have received a copy of the GNU General Public License
// along with OPAL. If not, see <https://www.gnu.org/licenses/>.
//
#include "Elements/OpalProbe.h"
#include "AbstractObjects/Attribute.h"
#include "Attributes/Attributes.h"
#include "BeamlineCore/ProbeRep.h"
#include "Physics/Physics.h"
#include "Physics/Units.h"
 
OpalProbe::OpalProbe() : OpalElement(SIZE, "PROBE", "The \"PROBE\" element defines a Probe.") {
    itsAttr[XSTART] = Attributes::makeReal("XSTART", " Start of x coordinate [mm]");
    itsAttr[XEND]   = Attributes::makeReal("XEND", " End of x coordinate [mm]");
    itsAttr[YSTART] = Attributes::makeReal("YSTART", "Start of y coordinate [mm]");
    itsAttr[YEND]   = Attributes::makeReal("YEND", "End of y coordinate [mm]");
    itsAttr[WIDTH]  = Attributes::makeReal("WIDTH", "Width of the probe, not used.");
    itsAttr[STEP]   = Attributes::makeReal("STEP", "Step size of the probe [mm]", 1.0);
 
    registerOwnership();
 
    setElement(new ProbeRep("PROBE"));
}
 
OpalProbe::OpalProbe(const std::string& name, OpalProbe* parent) : OpalElement(name, parent) {
    setElement(new ProbeRep(name));
}
 
OpalProbe::~OpalProbe() {}
 
OpalProbe* OpalProbe::clone(const std::string& name) { return new OpalProbe(name, this); }
 
void OpalProbe::update() {
    OpalElement::update();
 
    ProbeRep* prob = dynamic_cast<ProbeRep*>(getElement());
 
    double xstart = Units::mm2m * Attributes::getReal(itsAttr[XSTART]);
    double xend   = Units::mm2m * Attributes::getReal(itsAttr[XEND]);
    double ystart = Units::mm2m * Attributes::getReal(itsAttr[YSTART]);
    double yend   = Units::mm2m * Attributes::getReal(itsAttr[YEND]);
    double step   = Units::mm2m * Attributes::getReal(itsAttr[STEP]);
 
    double length = Attributes::getReal(itsAttr[LENGTH]);
 
    prob->setElementLength(length);  // is this needed here?
    prob->setDimensions(xstart, xend, ystart, yend);
    prob->setStep(step);
    prob->setOutputFN(Attributes::getString(itsAttr[OUTFN]));
 
    // Transmit "unknown" attributes.
    OpalElement::updateUnknown(prob);
}