BornAgain  1.19.0
Simulate and fit neutron and x-ray scattering at grazing incidence
UnitConverter1D Class Referenceabstract

Conversion of axis units for the case of 1D simulation result. More...

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Collaboration diagram for UnitConverter1D:
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Public Member Functions

 ~UnitConverter1D () override=default
 
virtual std::vector< Axes::UnitsavailableUnits () const =0
 
std::string axisName (size_t i_axis, Axes::Units units_type=Axes::Units::DEFAULT) const
 
virtual size_t axisSize (size_t i_axis) const =0
 
double calculateMax (size_t i_axis, Axes::Units units_type) const override
 Calculates maximum on-axis value in given units. More...
 
double calculateMin (size_t i_axis, Axes::Units units_type) const override
 Calculates minimum on-axis value in given units. More...
 
UnitConverter1Dclone () const override=0
 
std::unique_ptr< IAxiscreateConvertedAxis (size_t i_axis, Axes::Units units) const override
 Creates axis in converted units. More...
 
std::unique_ptr< OutputData< double > > createConvertedData (const OutputData< double > &data, Axes::Units units) const override
 Creates OutputData array in converter units. More...
 
virtual Axes::Units defaultUnits () const =0
 
size_t dimension () const override
 Returns dimensionality of converted canvas. More...
 
Axes::Units substituteDefaultUnits (Axes::Units units) const
 
virtual void transferToCPP ()
 Used for Python overriding of clone (see swig/tweaks.py) More...
 

Static Public Member Functions

static std::unique_ptr< UnitConverter1DcreateUnitConverter (const ISpecularScan &handler)
 Factory function to create unit converter for particular type of specular data. More...
 

Protected Member Functions

void checkIndex (size_t i_axis) const
 
virtual const IAxiscoordinateAxis () const =0
 
virtual std::function< double(double)> getTraslatorTo (Axes::Units units_type) const =0
 Returns translating functional (rads --> output units) More...
 
void throwUnitsError (std::string method, std::vector< Axes::Units > available) const
 

Private Member Functions

virtual std::vector< std::map< Axes::Units, std::string > > createNameMaps () const =0
 

Detailed Description

Conversion of axis units for the case of 1D simulation result.

Definition at line 34 of file UnitConverter1D.h.

Constructor & Destructor Documentation

◆ ~UnitConverter1D()

UnitConverter1D::~UnitConverter1D ( )
overridedefault

Member Function Documentation

◆ availableUnits()

virtual std::vector<Axes::Units> IUnitConverter::availableUnits ( ) const
pure virtualinherited

◆ axisName()

std::string IUnitConverter::axisName ( size_t  i_axis,
Axes::Units  units_type = Axes::Units::DEFAULT 
) const
inherited

Definition at line 20 of file IUnitConverter.cpp.

21 {
22  const auto& name_maps = createNameMaps();
23  if (name_maps.size() <= i_axis)
24  throw std::runtime_error("Error in IUnitConverter::axisName: the size of name map vector "
25  "is smaller or equal to the axis index"
26  + std::to_string(static_cast<int>(i_axis)));
27  const auto& name_map = name_maps[i_axis];
28  units_type = substituteDefaultUnits(units_type);
29  const auto& it = name_map.find(units_type);
30  if (it == name_map.cend())
31  throwUnitsError("IUnitConverter::axisName", availableUnits());
32  return it->second;
33 }
Axes::Units substituteDefaultUnits(Axes::Units units) const
virtual std::vector< Axes::Units > availableUnits() const =0
virtual std::vector< std::map< Axes::Units, std::string > > createNameMaps() const =0
void throwUnitsError(std::string method, std::vector< Axes::Units > available) const

References IUnitConverter::availableUnits(), IUnitConverter::createNameMaps(), IUnitConverter::substituteDefaultUnits(), and IUnitConverter::throwUnitsError().

Referenced by DepthProbeConverter::DepthProbeConverter(), OffSpecularConverter::OffSpecularConverter(), UnitConverterConvSpec::UnitConverterConvSpec(), UnitConverterSimple::addDetectorAxis(), OffSpecularConverter::addDetectorYAxis(), createConvertedAxis(), and UnitConverterSimple::createConvertedAxis().

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◆ axisSize()

virtual size_t IUnitConverter::axisSize ( size_t  i_axis) const
pure virtualinherited

◆ calculateMax()

double UnitConverter1D::calculateMax ( size_t  i_axis,
Axes::Units  units_type 
) const
overridevirtual

Calculates maximum on-axis value in given units.

Implements IUnitConverter.

Definition at line 60 of file UnitConverter1D.cpp.

61 {
62  checkIndex(i_axis);
63  units_type = substituteDefaultUnits(units_type);
64  auto coordinate_axis = coordinateAxis();
65  if (units_type == Axes::Units::NBINS)
66  return static_cast<double>(coordinate_axis->size());
67  auto translator = getTraslatorTo(units_type);
68  return translator(coordinate_axis->binCenter(coordinate_axis->size() - 1));
69 }
void checkIndex(size_t i_axis) const
virtual const IAxis * coordinateAxis() const =0
virtual std::function< double(double)> getTraslatorTo(Axes::Units units_type) const =0
Returns translating functional (rads --> output units)

References IUnitConverter::checkIndex(), coordinateAxis(), getTraslatorTo(), and IUnitConverter::substituteDefaultUnits().

Referenced by createConvertedAxis().

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◆ calculateMin()

double UnitConverter1D::calculateMin ( size_t  i_axis,
Axes::Units  units_type 
) const
overridevirtual

Calculates minimum on-axis value in given units.

Implements IUnitConverter.

Definition at line 50 of file UnitConverter1D.cpp.

51 {
52  checkIndex(i_axis);
53  units_type = substituteDefaultUnits(units_type);
54  if (units_type == Axes::Units::NBINS)
55  return 0.0;
56  auto translator = getTraslatorTo(units_type);
57  return translator(coordinateAxis()->binCenter(0));
58 }

References IUnitConverter::checkIndex(), coordinateAxis(), getTraslatorTo(), and IUnitConverter::substituteDefaultUnits().

Referenced by createConvertedAxis().

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◆ checkIndex()

void IUnitConverter::checkIndex ( size_t  i_axis) const
protectedinherited

Definition at line 46 of file IUnitConverter.cpp.

47 {
48  if (i_axis < dimension())
49  return;
50  throw std::runtime_error("Error in IUnitConverter::checkIndex: passed axis index too big: "
51  + std::to_string(static_cast<int>(i_axis)));
52 }
virtual size_t dimension() const =0

References IUnitConverter::dimension().

Referenced by UnitConverterConvSpec::axisSize(), UnitConverterQSpec::axisSize(), UnitConverterSimple::axisSize(), calculateMax(), UnitConverterSimple::calculateMax(), calculateMin(), UnitConverterSimple::calculateMin(), and createConvertedAxis().

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◆ clone()

UnitConverter1D* UnitConverter1D::clone ( ) const
overridepure virtual

Implements IUnitConverter.

Implemented in UnitConverterQSpec, and UnitConverterConvSpec.

◆ coordinateAxis()

virtual const IAxis* UnitConverter1D::coordinateAxis ( ) const
protectedpure virtual

◆ createConvertedAxis()

std::unique_ptr< IAxis > UnitConverter1D::createConvertedAxis ( size_t  i_axis,
Axes::Units  units 
) const
overridevirtual

Creates axis in converted units.

Implements IUnitConverter.

Definition at line 71 of file UnitConverter1D.cpp.

72 {
73  checkIndex(i_axis);
74  units = substituteDefaultUnits(units);
75  if (units == Axes::Units::NBINS)
76  return std::make_unique<FixedBinAxis>(axisName(0, units), coordinateAxis()->size(),
77  calculateMin(0, units), calculateMax(0, units));
78  return createTranslatedAxis(*coordinateAxis(), getTraslatorTo(units), axisName(0, units));
79 }
std::string axisName(size_t i_axis, Axes::Units units_type=Axes::Units::DEFAULT) const
double calculateMax(size_t i_axis, Axes::Units units_type) const override
Calculates maximum on-axis value in given units.
double calculateMin(size_t i_axis, Axes::Units units_type) const override
Calculates minimum on-axis value in given units.

References IUnitConverter::axisName(), calculateMax(), calculateMin(), IUnitConverter::checkIndex(), coordinateAxis(), getTraslatorTo(), and IUnitConverter::substituteDefaultUnits().

Referenced by createConvertedData().

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◆ createConvertedData()

std::unique_ptr< OutputData< double > > UnitConverter1D::createConvertedData ( const OutputData< double > &  data,
Axes::Units  units 
) const
overridevirtual

Creates OutputData array in converter units.

Reimplemented from IUnitConverter.

Definition at line 82 of file UnitConverter1D.cpp.

83 {
84  if (data.rank() != 1)
85  throw std::runtime_error("Error in UnitConverter1D::createConvertedData: unexpected "
86  "dimensions of the input data");
87 
88  std::unique_ptr<OutputData<double>> result(new OutputData<double>);
89  auto q_axis = createConvertedAxis(0, units);
90  result->addAxis(*q_axis);
91 
92  if (units != Axes::Units::RQ4) {
93  result->setRawDataVector(data.getRawDataVector());
94  return result;
95  }
96 
97  for (size_t i = 0, size = result->getAllocatedSize(); i < size; ++i)
98  (*result)[i] = data[i] * std::pow((*q_axis)[i], 4);
99  return result;
100 }
size_t rank() const
Returns number of dimensions.
Definition: OutputData.h:56
std::vector< T > getRawDataVector() const
Returns copy of raw data vector.
Definition: OutputData.h:334
std::unique_ptr< IAxis > createConvertedAxis(size_t i_axis, Axes::Units units) const override
Creates axis in converted units.

References createConvertedAxis(), OutputData< T >::getRawDataVector(), and OutputData< T >::rank().

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◆ createNameMaps()

virtual std::vector<std::map<Axes::Units, std::string> > IUnitConverter::createNameMaps ( ) const
privatepure virtualinherited

◆ createUnitConverter()

std::unique_ptr< UnitConverter1D > UnitConverter1D::createUnitConverter ( const ISpecularScan handler)
static

Factory function to create unit converter for particular type of specular data.

Definition at line 34 of file UnitConverter1D.cpp.

35 {
36  if (const auto* aScan = dynamic_cast<const AngularSpecScan*>(&scan))
37  return std::make_unique<UnitConverterConvSpec>(*aScan);
38 
39  if (const auto* qScan = dynamic_cast<const QSpecScan*>(&scan))
40  return std::make_unique<UnitConverterQSpec>(*qScan);
41 
42  throw std::runtime_error("Bug in UnitConverter1D::createUnitConverter: invalid case");
43 }
Scan type with inclination angles as coordinate values and a unique wavelength.
Scan type with z-components of scattering vector as coordinate values.
Definition: QSpecScan.h:28

Referenced by UnitConverterUtils::createConverter(), and SpecularSimulation::result().

◆ defaultUnits()

◆ dimension()

size_t UnitConverter1D::dimension ( ) const
overridevirtual

Returns dimensionality of converted canvas.

Implements IUnitConverter.

Definition at line 45 of file UnitConverter1D.cpp.

46 {
47  return 1u;
48 }

◆ getTraslatorTo()

virtual std::function<double(double)> UnitConverter1D::getTraslatorTo ( Axes::Units  units_type) const
protectedpure virtual

Returns translating functional (rads --> output units)

Implemented in UnitConverterQSpec, and UnitConverterConvSpec.

Referenced by calculateMax(), calculateMin(), and createConvertedAxis().

◆ substituteDefaultUnits()

Axes::Units IUnitConverter::substituteDefaultUnits ( Axes::Units  units) const
inherited

Definition at line 65 of file IUnitConverter.cpp.

66 {
67  return units == Axes::Units::DEFAULT ? defaultUnits() : units;
68 }
virtual Axes::Units defaultUnits() const =0

References IUnitConverter::defaultUnits().

Referenced by IUnitConverter::axisName(), calculateMax(), UnitConverterSimple::calculateMax(), calculateMin(), UnitConverterSimple::calculateMin(), and createConvertedAxis().

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◆ throwUnitsError()

void IUnitConverter::throwUnitsError ( std::string  method,
std::vector< Axes::Units available 
) const
protectedinherited

Definition at line 54 of file IUnitConverter.cpp.

55 {
56  std::stringstream ss;
57  ss << "Unit type error in " << method
58  << ": unknown or unsupported unit type. Available units "
59  "are:\n";
60  for (auto unit : available)
61  ss << axisUnitLabel.at(unit) << "\n";
62  throw std::runtime_error(ss.str());
63 }
const std::map< Axes::Units, const char * > axisUnitLabel

References axisUnitLabel.

Referenced by IUnitConverter::axisName(), SphericalConverter::calculateValue(), RectangularConverter::calculateValue(), OffSpecularConverter::calculateValue(), DepthProbeConverter::checkUnits(), UnitConverterConvSpec::getTraslatorFrom(), UnitConverterConvSpec::getTraslatorTo(), and UnitConverterQSpec::getTraslatorTo().

◆ transferToCPP()

virtual void ICloneable::transferToCPP ( )
inlinevirtualinherited

Used for Python overriding of clone (see swig/tweaks.py)

Definition at line 34 of file ICloneable.h.


The documentation for this class was generated from the following files: