106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2005-2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: precision/EnhancedPrecisionOp.java rev. 1.9 (JTS-1.7)
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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#include <geos/constants.h> // for int64
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#include <geos/geom/Geometry.h>
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#include <memory>
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namespace geos {
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namespace precision { // geos.precision
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/** \brief
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* Provides versions of Geometry spatial functions which use
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* enhanced precision techniques to reduce the likelihood of robustness
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* problems.
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*/
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class GEOS_DLL EnhancedPrecisionOp {
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public:
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/** \brief
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* Computes the set-theoretic intersection of two
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* Geometrys, using enhanced precision.
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*
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* @param geom0 the first Geometry
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* @param geom1 the second Geometry
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* @return the Geometry representing the set-theoretic
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* intersection of the input Geometries.
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*/
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static std::unique_ptr<geom::Geometry> intersection(
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const geom::Geometry* geom0,
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const geom::Geometry* geom1);
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/**
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* Computes the set-theoretic union of two Geometrys,
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* using enhanced precision.
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* @param geom0 the first Geometry
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* @param geom1 the second Geometry
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* @return the Geometry representing the set-theoretic
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* union of the input Geometries.
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*/
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static std::unique_ptr<geom::Geometry> Union(
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const geom::Geometry* geom0,
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const geom::Geometry* geom1);
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/**
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* Computes the set-theoretic difference of two Geometrys,
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* using enhanced precision.
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* @param geom0 the first Geometry
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* @param geom1 the second Geometry
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* @return the Geometry representing the set-theoretic
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* difference of the input Geometries.
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*/
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static std::unique_ptr<geom::Geometry> difference(
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const geom::Geometry* geom0,
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const geom::Geometry* geom1);
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/**
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* Computes the set-theoretic symmetric difference of two
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* Geometrys, using enhanced precision.
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* @param geom0 the first Geometry
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* @param geom1 the second Geometry
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* @return the Geometry representing the set-theoretic symmetric
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* difference of the input Geometries.
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*/
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static std::unique_ptr<geom::Geometry> symDifference(
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const geom::Geometry* geom0,
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const geom::Geometry* geom1);
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/**
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* Computes the buffer of a Geometry, using enhanced precision.
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* This method should no longer be necessary, since the buffer
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* algorithm now is highly robust.
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*
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* @param geom the first Geometry
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* @param distance the buffer distance
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* @return the Geometry representing the buffer of the input Geometry.
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*/
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static std::unique_ptr<geom::Geometry> buffer(
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const geom::Geometry* geom,
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double distance);
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};
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} // namespace geos.precision
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} // namespace geos
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