/usr/include/casacore/images/Regions/WCEllipsoid.h is in casacore-dev 2.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | //# WCPolygon.h: Class to define a polygonal world coordinate region
//# Copyright (C) 1998,1999,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# 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
//#
//# $Id$
#ifndef IMAGES_WCELLIPSOID_H
#define IMAGES_WCELLIPSOID_H
#include <casacore/casa/aips.h>
#include <casacore/coordinates/Coordinates/CoordinateSystem.h>
#include <casacore/images/Regions/WCRegion.h>
#include <casacore/lattices/LRegions/RegionType.h>
#include <casacore/casa/Arrays/Vector.h>
#include <casacore/casa/Quanta/Quantum.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Class to define an n-dimensional ellipsoid in world coordinates.
//
// </summary>
//
// <use visibility=export>
//
// <reviewed reviewer="" date="" tests="">
// </reviewed>
//
// <prerequisite>
// <li> <linkto class=WCRegion>WCRegion</linkto>
// <li> <linkto class=WCRegion>WCPolygon</linkto>
// <li> <linkto class=LCRegion>LCRegion</linkto>
// <li> <linkto class=CoordinateSystem>CoordinateSystem</linkto>
// </prerequisite>
//
// <synopsis>
//
// </synopsis>
//
// <motivation>
// Users must be able to specify ellipsoids in world as well as lattice
// coordinates.
// </motivation>
//
class WCEllipsoid : public WCRegion
{
public:
// ellipsoid with axes parallel to coordinate axes
WCEllipsoid(
const Vector<Quantity>& center,
const Vector<Quantity>& radii,
const IPosition& pixelAxes,
const CoordinateSystem& cSys,
const RegionType::AbsRelType absRel=RegionType::Abs
);
// sphere. <src>pixelAxes</src> must have the same base units
// and those pixels musb be square or an exception is thrown.
WCEllipsoid(
const Vector<Quantity>& center,
const Quantity& radius,
const IPosition& pixelAxes,
const CoordinateSystem& cSys,
const RegionType::AbsRelType absRel=RegionType::Abs
);
// 2-D ellipse . The axes must have the same base units
// and those pixels must be square or an exception is thrown.
// <src>theta</src> is the angle between the <src>pixelAxis0</src> and
// the major axis of the ellipse.
WCEllipsoid(
const Quantity& xcenter, const Quantity& ycenter,
const Quantity& majorAxis, const Quantity& minorAxis,
const Quantity& theta,
const uInt pixelAxis0, const uInt pixelAxis1,
const CoordinateSystem& cSys,
const RegionType::AbsRelType absRel=RegionType::Abs
);
WCEllipsoid(const WCEllipsoid& that);
WCEllipsoid& operator= (const WCEllipsoid& that);
Bool operator== (const WCRegion& other) const;
WCRegion* cloneRegion() const;
Bool canExtend() const;
String type() const;
static String className();
static WCEllipsoid* fromRecord(
const TableRecord& rec,
const String&
);
TableRecord toRecord(const String& tableName) const;
LCRegion* doToLCRegion (
const CoordinateSystem& csys,
const IPosition& latticeShape,
const IPosition& pixelAxesMap,
const IPosition& outOrder
) const;
private:
// WARN do not change the order of the members of this enum
// or you will break backward compatibility with records previously
// saved persistently. Add new types to the end of the enum.
enum SpecialType {
NOT_SPECIAL,
SPHERE,
ELLIPSE_2D
};
WCEllipsoid();
Vector<Quantity> _center;
Vector<Quantity> _radii;
IPosition _pixelAxes;
CoordinateSystem _csys;
RegionType::AbsRelType _absRel;
Quantity _theta;
SpecialType _specType;
void _checkPixelAxes() const;
void _checkUnits() const;
void _init();
};
} //# NAMESPACE CASACORE - END
#endif
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