OffsetPointGenerator.h
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 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: operation/overlay/validate/OffsetPointGenerator.java rev. 1.1 (JTS-1.10)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/algorithm/PointLocator.h> // for composition
#include <geos/geom/Geometry.h> // for unique_ptr visibility of dtor
#include <geos/geom/MultiPoint.h> // for unique_ptr visibility of dtor
#include <geos/geom/Coordinate.h> // for use in vector
#include <vector>
#include <memory> // for unique_ptr
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
// Forward declarations
namespace geos {
namespace geom {
//class Geometry;
//class MultiPoint;
class LineString;
//class Coordinate;
}
}
namespace geos {
namespace operation { // geos::operation
namespace overlay { // geos::operation::overlay
namespace validate { // geos::operation::overlay::validate
//
class GEOS_DLL OffsetPointGenerator {
public:
OffsetPointGenerator(const geom::Geometry& geom, double offset);
std::unique_ptr< std::vector<geom::Coordinate> > getPoints();
private:
const geom::Geometry& g;
double offsetDistance;
std::unique_ptr< std::vector<geom::Coordinate> > offsetPts;
void extractPoints(const geom::LineString* line);
void computeOffsets(const geom::Coordinate& p0,
const geom::Coordinate& p1);
// Declare type as noncopyable
OffsetPointGenerator(const OffsetPointGenerator& other) = delete;
OffsetPointGenerator& operator=(const OffsetPointGenerator& rhs) = delete;
};
} // namespace geos::operation::overlay::validate
} // namespace geos::operation::overlay
} // namespace geos::operation
} // namespace geos
#ifdef _MSC_VER
#pragma warning(pop)
#endif
geos::geom::Coordinate
Coordinate is the lightweight class used to store coordinates.
Definition Coordinate.h:217
geos::geom::Geometry
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:196
geos::geom::LineString
Definition LineString.h:66
geos::operation::overlay::validate::OffsetPointGenerator::getPoints
std::unique_ptr< std::vector< geom::Coordinate > > getPoints()
Gets the computed offset points.
geos::geom
Definition Angle.h:26
geos::operation::overlay
Contains classes that perform a topological overlay to compute boolean spatial functions.
Definition namespaces.h:229
geos::operation
Provides classes for implementing operations on geometries.
Definition CleanCoverage.h:34
geos
Basic namespace for all GEOS functionalities.
Definition geos.h:38