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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Beam/DistributionItems.cpp
//! @brief Implements class DistributionItem and several subclasses.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2022
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/Model/Beam/DistributionItems.h"
#include "GUI/Model/Util/UtilXML.h"
#include "Param/Distrib/Distributions.h"
namespace {
namespace Tag {
const QString BaseData("BaseData");
const QString Center("Center");
const QString Halfwidth("Halfwidth");
const QString HWHM("HWHM");
const QString LeftWidth("LeftWidth");
const QString Maximum("Maximum");
const QString Mean("Mean");
const QString Median("Median");
const QString MiddleWidth("MiddleWidth");
const QString Minimum("Minimum");
const QString NumberOfSamples("NumberOfSamples");
const QString RelSamplingWidth("RelSamplingWidth");
const QString RightWidth("RightWidth");
const QString ScaleParameter("ScaleParameter");
const QString Sigma("Sigma");
const QString StandardDeviation("StandardDeviation");
} // namespace Tag
} // namespace
DistributionItem::DistributionItem()
{
m_rel_sampling_width.init("Rel. sampling width", "", "", 2.0, 3, RealLimits::nonnegative(),
"relSamplingWidth");
}
void DistributionItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeTaggedValue(w, Tag::NumberOfSamples, m_number_of_samples);
// relative sampling width
m_rel_sampling_width.writeTo2(w, Tag::RelSamplingWidth);
}
void DistributionItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::NumberOfSamples)
m_number_of_samples = XML::readTaggedUInt(r, tag);
else if (tag == Tag::RelSamplingWidth)
m_rel_sampling_width.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
// --------------------------------------------------------------------------------------------- //
SymmetricDistributionItem::SymmetricDistributionItem(double mean, int decimals,
const QString& meanLabel)
{
m_mean.init(meanLabel, "", "", mean, decimals, RealLimits::limitless(), "mean");
}
const QString& SymmetricDistributionItem::units()
{
return m_mean.units();
}
void SymmetricDistributionItem::setUnits(const QString& units)
{
m_mean.setUnits(units);
}
void SymmetricDistributionItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<DistributionItem>(w, XML::Tag::BaseData, this);
// mean
m_mean.writeTo2(w, Tag::Mean);
}
void SymmetricDistributionItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<DistributionItem>(r, tag, this);
else if (tag == Tag::Mean)
m_mean.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
// --------------------------------------------------------------------------------------------- //
DistributionDeltaItem::DistributionDeltaItem()
: SymmetricDistributionItem(0., 3, "Value")
{
}
std::unique_ptr<IDistribution1D> DistributionDeltaItem::createDistribution(double) const
{
return {};
}
DoubleProperties DistributionDeltaItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_mean} : DoubleProperties{};
}
// --------------------------------------------------------------------------------------------- //
DistributionGateItem::DistributionGateItem()
{
m_center.init("Center", "", "", 0.0, 3, RealLimits::limitless(), "");
m_halfwidth.init("Half width", "", "", 1.0, 3, RealLimits::nonnegative(), "");
}
std::unique_ptr<IDistribution1D> DistributionGateItem::createDistribution(double scale) const
{
return std::make_unique<DistributionGate>(scale * (m_center.dVal() - m_halfwidth.dVal()),
scale * (m_center.dVal() + m_halfwidth.dVal()),
m_number_of_samples);
}
const QString& DistributionGateItem::units()
{
return m_center.units();
}
void DistributionGateItem::setUnits(const QString& units)
{
m_center.setUnits(units);
m_halfwidth.setUnits(units);
}
void DistributionGateItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<DistributionItem>(w, XML::Tag::BaseData, this);
m_center.writeTo2(w, Tag::Center);
m_halfwidth.writeTo2(w, Tag::Halfwidth);
}
void DistributionGateItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<DistributionItem>(r, tag, this);
else if (tag == Tag::Center)
m_center.readFrom2(r, tag);
else if (tag == Tag::Halfwidth)
m_halfwidth.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
DoubleProperties DistributionGateItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_center, &m_halfwidth} : DoubleProperties{&m_halfwidth};
}
// --------------------------------------------------------------------------------------------- //
DistributionLorentzItem::DistributionLorentzItem()
: SymmetricDistributionItem(0)
{
m_hwhm.init("HWHM", "", "", 1.0, 3, RealLimits::nonnegative(), "hwhm");
}
std::unique_ptr<IDistribution1D> DistributionLorentzItem::createDistribution(double scale) const
{
return std::make_unique<DistributionLorentz>(scale * m_mean.dVal(), scale * m_hwhm.dVal(),
m_number_of_samples, m_rel_sampling_width.dVal());
}
void DistributionLorentzItem::setUnits(const QString& units)
{
SymmetricDistributionItem::setUnits(units);
m_hwhm.setUnits(units);
}
void DistributionLorentzItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<SymmetricDistributionItem>(w, XML::Tag::BaseData, this);
// half width at half maximum
m_hwhm.writeTo2(w, Tag::HWHM);
}
void DistributionLorentzItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<SymmetricDistributionItem>(r, tag, this);
else if (tag == Tag::HWHM)
m_hwhm.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
DoubleProperties DistributionLorentzItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_mean, &m_hwhm, &m_rel_sampling_width}
: DoubleProperties{&m_hwhm, &m_rel_sampling_width};
}
// --------------------------------------------------------------------------------------------- //
DistributionGaussianItem::DistributionGaussianItem()
: SymmetricDistributionItem(0)
{
m_standard_deviation.init("StdDev", "", "", 1.0, 3, RealLimits::nonnegative(), "stdDev");
}
std::unique_ptr<IDistribution1D> DistributionGaussianItem::createDistribution(double scale) const
{
return std::make_unique<DistributionGaussian>(scale * m_mean.dVal(),
scale * m_standard_deviation.dVal(),
m_number_of_samples, m_rel_sampling_width.dVal());
}
void DistributionGaussianItem::setUnits(const QString& units)
{
SymmetricDistributionItem::setUnits(units);
m_standard_deviation.setUnits(units);
}
void DistributionGaussianItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<SymmetricDistributionItem>(w, XML::Tag::BaseData, this);
// standard deviation
m_standard_deviation.writeTo2(w, Tag::StandardDeviation);
}
void DistributionGaussianItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<SymmetricDistributionItem>(r, tag, this);
else if (tag == Tag::StandardDeviation)
m_standard_deviation.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
DoubleProperties DistributionGaussianItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_mean, &m_standard_deviation, &m_rel_sampling_width}
: DoubleProperties{&m_standard_deviation, &m_rel_sampling_width};
}
// --------------------------------------------------------------------------------------------- //
DistributionLogNormalItem::DistributionLogNormalItem()
{
m_median.init("Median", "", "", 1.0, "median");
m_scale_parameter.init("ScaleParameter", "", "", 0.5, 3, RealLimits::positive(), "scalePar");
}
std::unique_ptr<IDistribution1D> DistributionLogNormalItem::createDistribution(double scale) const
{
return std::make_unique<DistributionLogNormal>(scale * m_median.dVal(),
m_scale_parameter.dVal(), m_number_of_samples,
m_rel_sampling_width.dVal());
}
const QString& DistributionLogNormalItem::units()
{
return m_median.units();
}
void DistributionLogNormalItem::setUnits(const QString& units)
{
m_median.setUnits(units);
}
void DistributionLogNormalItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<DistributionItem>(w, XML::Tag::BaseData, this);
// median
m_median.writeTo2(w, Tag::Median);
// scale parameter
m_scale_parameter.writeTo2(w, Tag::ScaleParameter);
}
void DistributionLogNormalItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<DistributionItem>(r, tag, this);
else if (tag == Tag::Median)
m_median.readFrom2(r, tag);
else if (tag == Tag::ScaleParameter)
m_scale_parameter.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
DoubleProperties DistributionLogNormalItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_median, &m_scale_parameter, &m_rel_sampling_width}
: DoubleProperties{&m_scale_parameter, &m_rel_sampling_width};
}
// --------------------------------------------------------------------------------------------- //
DistributionCosineItem::DistributionCosineItem()
: SymmetricDistributionItem(0)
{
m_hwhm.init("HWHM", "", "", 1.0, 3, RealLimits::nonnegative(), "hwhm");
}
std::unique_ptr<IDistribution1D> DistributionCosineItem::createDistribution(double scale) const
{
return std::make_unique<DistributionCosine>(scale * m_mean.dVal(), scale * m_hwhm.dVal(),
m_number_of_samples);
}
void DistributionCosineItem::setUnits(const QString& units)
{
SymmetricDistributionItem::setUnits(units);
m_hwhm.setUnits(units);
}
void DistributionCosineItem::writeTo(QXmlStreamWriter* w) const
{
XML::writeBaseElement<SymmetricDistributionItem>(w, XML::Tag::BaseData, this);
// sigma
m_hwhm.writeTo2(w, Tag::Sigma);
}
void DistributionCosineItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BaseData)
XML::readBaseElement<SymmetricDistributionItem>(r, tag, this);
else if (tag == Tag::Sigma)
m_hwhm.readFrom2(r, tag);
else
r->skipCurrentElement();
}
}
DoubleProperties DistributionCosineItem::distributionValues(bool withMean)
{
return withMean ? DoubleProperties{&m_mean, &m_hwhm} : DoubleProperties{&m_hwhm};
}
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