casa6

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

​

#ifndef ANNOTATIONS_ANNELLIPSE_H

#define ANNOTATIONS_ANNELLIPSE_H

​

#include <imageanalysis/Annotations/AnnRegion.h>

​

​

#include <casacore/casa/aips.h>

​

namespace casa {

​

// <summary>

// 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

// semi-major and semi-minor axes, and position angle.

// </summary>

// <author>Dave Mehringer</author>

// <use visibility=export>

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

// </reviewed>

// <prerequisite>

​

// </prerequisite>

​

// <etymology>

// Holds the specification of a an annotation of an elliptical region as specified in ASCII format.

// Specified by center position, semi-major and semi-minor axes, and position angle.

// </etymology>

​

// <synopsis>

// This class represents an annotation of an elliptical region in coordinate space specified by

// center, semi-major and semi-minor axes, and position angle

// </synopsis>

​

class AnnEllipse: public AnnRegion {

​

public:

​

    // <src>positionAngle</src> is defined as the angle between north and the

    // ellipse major axis. Note the lengths are for the semi-major and semi-minor axes,

    // not the major and minor axes

    // <group>

​

    AnnEllipse(

        const casacore::Quantity& xcenter, const casacore::Quantity& ycenter,

        const casacore::Quantity& semiMajorAxis,

        const casacore::Quantity& semiMinorAxis, const casacore::Quantity& positionAngle,

        const casacore::String& dirRefFrameString,