This class represents an annotation of an elliptical (in position coordinates) region specified in an ascii region file as proposed in CAS-2285. It is specified by its center position major and minor axes, and position angle. <author>Dave Mehringer</author> More...

#include <AnnEllipse.h>

Inheritance diagram for casa::AnnEllipse:

List of all members.

Public Member Functions
	AnnEllipse (const Quantity &xcenter, const Quantity &ycenter, const Quantity &majorAxis, const Quantity &minorAxis, const Quantity &positionAngle, const String &dirRefFrameString, const CoordinateSystem &csys, const IPosition &imShape, const Quantity &beginFreq, const Quantity &endFreq, const String &freqRefFrameString, const String &dopplerString, const Quantity &restfreq, const Vector< Stokes::StokesTypes > stokes, const Bool annotationOnly)
	`positionAngle` is defined as the angle between north and the ellipse major axis.
	AnnEllipse (const Quantity &xcenter, const Quantity &ycenter, const Quantity &majorAxis, const Quantity &minorAxis, const Quantity &positionAngle, const CoordinateSystem &csys, const IPosition &imShape, const Vector< Stokes::StokesTypes > &stokes)
	Simplified constructor.
AnnEllipse &	operator= (const AnnEllipse &other)
	implicit copy constructor and destructor are fine
MDirection	getCenter () const
	Get the center position, tranformed to the reference from of the coordinate system if necessary.
Quantity	getMajorAxis () const
	get major axis.
Quantity	getMinorAxis () const
	get minor axis.
Quantity	getPositionAngle () const
	get position angle.
virtual ostream &	print (ostream &os) const
Private Member Functions
void	_init (const Quantity &xcenter, const Quantity &ycenter)
Private Attributes
AnnotationBase::Direction	_inputCenter
Quantity	_inputMajorAxis
Quantity	_inputMinorAxis
Quantity	_inputPositionAngle
Quantity	_convertedMajorAxis
Quantity	_convertedMinorAxis

Detailed Description

This class represents an annotation of an elliptical (in position coordinates) region specified in an ascii region file as proposed in CAS-2285. It is specified by its center position major and minor axes, and position angle. <author>Dave Mehringer</author>

Intended use:

Public interface

Review Status

Date Reviewed:: yyyy/mm/dd

Etymology

Holds the specification of a an annotation of an annular region as specified in ASCII format. Specified by center position, major and minor axes, and position angle.

Synopsis

This class represents an annotation of an annular region in coordinate space specified by center, major and minor axes, and position angle

Definition at line 51 of file AnnEllipse.h.

Constructor & Destructor Documentation

casa::AnnEllipse::AnnEllipse	(	const Quantity &	xcenter,
		const Quantity &	ycenter,
		const Quantity &	majorAxis,
		const Quantity &	minorAxis,
		const Quantity &	positionAngle,
		const String &	dirRefFrameString,
		const CoordinateSystem &	csys,
		const IPosition &	imShape,
		const Quantity &	beginFreq,
		const Quantity &	endFreq,
		const String &	freqRefFrameString,
		const String &	dopplerString,
		const Quantity &	restfreq,
		const Vector< Stokes::StokesTypes >	stokes,
		const Bool	annotationOnly
	)

positionAngle is defined as the angle between north and the ellipse major axis.

casa::AnnEllipse::AnnEllipse	(	const Quantity &	xcenter,
		const Quantity &	ycenter,
		const Quantity &	majorAxis,
		const Quantity &	minorAxis,
		const Quantity &	positionAngle,
		const CoordinateSystem &	csys,
		const IPosition &	imShape,
		const Vector< Stokes::StokesTypes > &	stokes
	)

Simplified constructor.

all frequencies are used (these can be set after construction). xcenter and ycenter must be in the same frame as the csys direction coordinate. is a region (not just an annotation), although this value can be changed after construction.