AnnVector.h

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//# Copyright (C) 1998,1999,2000,2001
//# Associated Universities, Inc. Washington DC, USA.
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#ifndef ANNOTATIONS_ANNVECTOR_H
#define ANNOTATIONS_ANNVECTOR_H

#include <imageanalysis/Annotations/AnnotationBase.h>

#include <casa/Arrays/Vector.h>
#include <measures/Measures/MDirection.h>

namespace casa {

// <summary>Represents a vector annotation which has a start and ending point.</summary>

// <use visibility=export>

// <reviewed reviewer="" date="yyyy/mm/dd">
// </reviewed>

// <synopsis>

// Represents an ascii vector annotation
// </synopsis>

class AnnVector: public AnnotationBase {
public:

        AnnVector(
                const casacore::Quantity& xStart,
                const casacore::Quantity& yStart,
                const casacore::Quantity& xEnd,
                const casacore::Quantity& yEnd,
                const casacore::String& dirRefFrameString,
                const casacore::CoordinateSystem& csys,
                const casacore::Quantity& beginFreq,
                const casacore::Quantity& endFreq,
                const casacore::String& freqRefFrame,
                const casacore::String& dopplerString,
                const casacore::Quantity& restfreq,
                const casacore::Vector<casacore::Stokes::StokesTypes>& stokes
        );

        AnnVector(
                const casacore::Quantity& xStart,
                const casacore::Quantity& yStart,
                const casacore::Quantity& xEnd,
                const casacore::Quantity& yEnd,
                const casacore::CoordinateSystem& csys,
                const casacore::Vector<casacore::Stokes::StokesTypes>& stokes
        );


        // implicit copy constructor and destructor are fine

        AnnVector& operator=(const AnnVector& other);

        // get the end point directions, transformed to
        // the input coordinate system if necessary.
        // The first element will be the starting point,
        // the second the ending point.
        casacore::Vector<casacore::MDirection> getEndPoints() const;

        virtual std::ostream& print(std::ostream &os) const;

private:
        AnnotationBase::Direction _inputPoints;

        void _init(
                const casacore::Quantity& xBegin, const casacore::Quantity& yBegin,
                const casacore::Quantity& xEnd, const casacore::Quantity& yEnd
        );
};

}

#endif