DYT/Tool/OpenSceneGraph-3.6.5/include/geos/algorithm/CircularArcs.h

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2024-12-24 23:49:36 +00:00
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2024 ISciences, LLC
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/geom/Coordinate.h>
#include <geos/geom/Envelope.h>
namespace geos {
namespace algorithm {
class GEOS_DLL CircularArcs {
public:
/// Return the circle center of an arc defined by three points
static geom::CoordinateXY getCenter(const geom::CoordinateXY& p0, const geom::CoordinateXY& p1,
const geom::CoordinateXY& p2);
/// Expand an envelope to include an arc defined by three points
static void expandEnvelope(geom::Envelope& e, const geom::CoordinateXY& p0, const geom::CoordinateXY& p1,
const geom::CoordinateXY& p2);
};
}
}