Repository URL to install this package:
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Version:
3.13.0 ▾
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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
* Copyright (C) 2001-2002 Vivid Solutions Inc.
* Copyright (C) 2005 2006 Refractions Research Inc.
*
* 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.
*
**********************************************************************
*
* Last port: geom/MultiPolygon.java r320 (JTS-1.12)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <string>
#include <vector>
#include <geos/geom/GeometryCollection.h> // for inheritance
#include <geos/geom/Polygon.h> // for inheritance
#include <geos/geom/Dimension.h> // for Dimension::DimensionType
#include <geos/geom/GeometryCollection.h>
// Forward declarations
namespace geos {
namespace geom { // geos::geom
class Coordinate;
class MultiPoint;
class Polygon;
}
}
namespace geos {
namespace geom { // geos::geom
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4250) // T1 inherits T2 via dominance
#endif
/// Models a collection of {@link Polygon}s.
///
/// As per the OGC SFS specification,
/// the Polygons in a MultiPolygon may not overlap,
/// and may only touch at single points.
/// This allows the topological point-set semantics
/// to be well-defined.
///
class GEOS_DLL MultiPolygon: public GeometryCollection {
public:
friend class GeometryFactory;
~MultiPolygon() override;
/// Returns surface dimension (2)
Dimension::DimensionType getDimension() const override;
bool hasDimension(Dimension::DimensionType d) const override {
return d == Dimension::A;
}
bool isDimensionStrict(Dimension::DimensionType d) const override {
return d == Dimension::A;
}
/// Returns 1 (MultiPolygon boundary is MultiLineString)
int getBoundaryDimension() const override;
/** \brief
* Computes the boundary of this geometry
*
* @return a lineal geometry (which may be empty)
* @see Geometry#getBoundary
*/
std::unique_ptr<Geometry> getBoundary() const override;
const Polygon* getGeometryN(std::size_t n) const override;
std::string getGeometryType() const override;
GeometryTypeId getGeometryTypeId() const override;
std::unique_ptr<MultiPolygon> clone() const
{
return std::unique_ptr<MultiPolygon>(cloneImpl());
};
std::unique_ptr<MultiPolygon> reverse() const { return std::unique_ptr<MultiPolygon>(reverseImpl()); }
protected:
/**
* \brief Construct a MultiPolygon
*
* @param newPolys
* the <code>Polygon</code>s for this <code>MultiPolygon</code>,
* or <code>null</code> or an empty array to create the empty
* geometry. Elements may be empty <code>Polygon</code>s, but
* not <code>null</code>s.
* The polygons must conform to the assertions specified in the
* <A HREF="http://www.opengis.org/techno/specs.htm">
* OpenGIS Simple Features Specification for SQL
* </A>.
*
* Constructed object will take ownership of
* the vector and its elements.
*
* @param newFactory
* The GeometryFactory used to create this geometry
* Caller must keep the factory alive for the life-time
* of the constructed MultiPolygon.
*/
MultiPolygon(std::vector<std::unique_ptr<Polygon>> && newPolys,
const GeometryFactory& newFactory);
MultiPolygon(std::vector<std::unique_ptr<Geometry>> && newPolys,
const GeometryFactory& newFactory);
MultiPolygon(const MultiPolygon& mp)
: GeometryCollection(mp)
{};
MultiPolygon* cloneImpl() const override { return new MultiPolygon(*this); }
MultiPolygon* reverseImpl() const override;
int
getSortIndex() const override
{
return SORTINDEX_MULTIPOLYGON;
};
bool hasCurvedComponents() const override
{
return false;
}
};
#ifdef _MSC_VER
#pragma warning(pop)
#endif
} // namespace geos::geom
} // namespace geos