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casacore: casa::MVDoppler Class Reference
Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes

casa::MVDoppler Class Reference
[Quanta_module]

Internal value for MDoppler. More...

#include <MVDoppler.h>

Inheritance diagram for casa::MVDoppler:
casa::MeasValue

List of all members.

Public Member Functions

 MVDoppler ()
 Default constructor: generate a zero value.
 MVDoppler (const MVDoppler &other)
 Copy constructor.
MVDoppleroperator= (const MVDoppler &other)
 Copy assignment.
 MVDoppler (Double d)
 Constructor from Double.
 MVDoppler (const Quantity &other)
 Constructor from Quantum : value taken will be the canonical value.
 MVDoppler (const Quantum< Vector< Double > > &other)
 MVDoppler (const Vector< Double > &other)
 Constructor from Vector.
 MVDoppler (const Vector< Quantity > &other)
 ~MVDoppler ()
 Destructor.
 operator Double () const
 Conversion operator.
MVDoppleroperator+= (const MVDoppler &other)
 Addition.
MVDoppleroperator-= (const MVDoppler &other)
Bool operator== (const MVDoppler &other) const
 Comparisons.
Bool operator!= (const MVDoppler &other) const
Bool near (const MVDoppler &other, Double tol=1e-13) const
Bool nearAbs (const MVDoppler &other, Double tol=1e-13) const
virtual uInt type () const
 Tell me your type.
virtual void print (ostream &os) const
 Print data.
virtual MeasValueclone () const
 Clone.
Double getValue () const
 Adjust value: taken from base class, a NOP.
Quantity get () const
 Get quantity in m/s.
Quantity get (const Unit &unit) const
 Get the Doppler value in (recognised) specified units.
virtual Vector< DoublegetVector () const
 Get the value in internal units.
virtual void putVector (const Vector< Double > &in)
 Set the value from internal units (set 0 for empty vector).
virtual Vector< Quantum< Double > > getRecordValue () const
 Get the internal value as a Vector<Quantity>.
virtual Bool putValue (const Vector< Quantum< Double > > &in)
 Set the internal value if correct values and dimensions.

Static Public Member Functions

static void assure (const MeasValue &in)

Private Member Functions

Double makeD (Double v, const Unit &dt, Bool rev=False) const
 Get correct data type conversion factor from input Quantum.

Private Attributes

Double val
 Value.

Detailed Description

Internal value for MDoppler.

Intended use:

Public interface

Review Status

Reviewed By:
tcornwel
Date Reviewed:
1996/02/23
Test programs:
tMeasMath

Prerequisite

Etymology

From Measure, Value and Doppler

Synopsis

An MVDoppler is a simple Double, to be used in the MDoppler measure. Requirements can be found in the MeasValue base class.
The only reasonable constructor is (but all MeasValue constructors are present) MVDoppler(Double); and an operator Double takes care of all other possibilities. Its external use is for MeasConvert , to distinguish between input in internal Measure units, and values which have to have units applied.
The MVDoppler(Quantum) constructors recognise the type of representation characteristics presented from its units. Recognised are:


The Doppler is returned dimensionless with getValue(); or as a Quantity in m/s with get(); or in one of the related units with get(unit).

Example

See MDoppler

Motivation

To aid coordinate transformations possibilities

Definition at line 87 of file MVDoppler.h.


Constructor & Destructor Documentation

casa::MVDoppler::MVDoppler (  ) 

Default constructor: generate a zero value.

casa::MVDoppler::MVDoppler ( const MVDoppler other  ) 

Copy constructor.

casa::MVDoppler::MVDoppler ( Double  d  ) 

Constructor from Double.

casa::MVDoppler::MVDoppler ( const Quantity other  ) 

Constructor from Quantum : value taken will be the canonical value.

casa::MVDoppler::MVDoppler ( const Quantum< Vector< Double > > &  other  ) 
casa::MVDoppler::MVDoppler ( const Vector< Double > &  other  ) 

Constructor from Vector.

A zero value will be taken for an empty vector, the canonical value for a quantum vector.

Thrown Exceptions

casa::MVDoppler::MVDoppler ( const Vector< Quantity > &  other  ) 
casa::MVDoppler::~MVDoppler (  ) 

Destructor.


Member Function Documentation

static void casa::MVDoppler::assure ( const MeasValue in  )  [static]
virtual MeasValue* casa::MVDoppler::clone (  )  const [virtual]

Clone.

Implements casa::MeasValue.

Quantity casa::MVDoppler::get (  )  const

Get quantity in m/s.

Quantity casa::MVDoppler::get ( const Unit unit  )  const

Get the Doppler value in (recognised) specified units.

virtual Vector<Quantum<Double> > casa::MVDoppler::getRecordValue (  )  const [virtual]

Get the internal value as a Vector<Quantity>.

Usable in records. The getXRecordValue() gets additional information for records. Note that the Vectors could be empty.

Implements casa::MeasValue.

Double casa::MVDoppler::getValue (  )  const

Adjust value: taken from base class, a NOP.

Get value as ratio

virtual Vector<Double> casa::MVDoppler::getVector (  )  const [virtual]

Get the value in internal units.

Implements casa::MeasValue.

Double casa::MVDoppler::makeD ( Double  v,
const Unit dt,
Bool  rev = False 
) const [private]

Get correct data type conversion factor from input Quantum.

Bool casa::MVDoppler::near ( const MVDoppler other,
Double  tol = 1e-13 
) const
Bool casa::MVDoppler::nearAbs ( const MVDoppler other,
Double  tol = 1e-13 
) const
casa::MVDoppler::operator Double (  )  const

Conversion operator.

Bool casa::MVDoppler::operator!= ( const MVDoppler other  )  const
MVDoppler& casa::MVDoppler::operator+= ( const MVDoppler other  ) 

Addition.

MVDoppler& casa::MVDoppler::operator-= ( const MVDoppler other  ) 
MVDoppler& casa::MVDoppler::operator= ( const MVDoppler other  ) 

Copy assignment.

Bool casa::MVDoppler::operator== ( const MVDoppler other  )  const

Comparisons.

virtual void casa::MVDoppler::print ( ostream &  os  )  const [virtual]

Print data.

Implements casa::MeasValue.

virtual Bool casa::MVDoppler::putValue ( const Vector< Quantum< Double > > &  in  )  [virtual]

Set the internal value if correct values and dimensions.

Implements casa::MeasValue.

virtual void casa::MVDoppler::putVector ( const Vector< Double > &  in  )  [virtual]

Set the value from internal units (set 0 for empty vector).

Implements casa::MeasValue.

virtual uInt casa::MVDoppler::type (  )  const [virtual]

Tell me your type.

Implements casa::MeasValue.


Member Data Documentation

Value.

Definition at line 119 of file MVDoppler.h.


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