GEOS 3.9.1
Densifier.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2010 Sandro Santilli <strk@kbt.io>
7 * Copyright (C) 2006 Refractions Research Inc.
8 * Copyright (C) 2001-2002 Vivid Solutions Inc.
9 *
10 * This is free software; you can redistribute and/or modify it under
11 * the terms of the GNU Lesser General Public Licence as published
12 * by the Free Software Foundation.
13 * See the COPYING file for more information.
14 *
15 **********************************************************************
16 *
17 * Last port: operation/polygonize/Polygonizer.java rev. 1.6 (JTS-1.10)
18 *
19 **********************************************************************/
20
21#ifndef GEOS_DENSIFIER_H
22#define GEOS_DENSIFIER_H
23
24#include <geos/export.h>
25#include <geos/geom/Geometry.h>
26#include <geos/geom/util/GeometryTransformer.h>
27#include <geos/geom/util/Densifier.h>
28#include <geos/util/Interrupt.h>
29
30#include <vector>
31
32#ifdef _MSC_VER
33#pragma warning(push)
34/* warning C4251: needs to have dll-interface to be used by */
35/* clients of class */
36#pragma warning(disable: 4251)
37#endif
38
39
40namespace geos {
41namespace geom {
42namespace util {
43
58class GEOS_DLL Densifier {
59public:
60 Densifier(const Geometry* inputGeom);
61
62 Geometry::Ptr densify(const Geometry* geom, double distanceTolerance);
63 void setDistanceTolerance(double distanceTolerance);
64 Geometry::Ptr getResultGeometry() const;
65
66private:
67 double distanceTolerance;
68 const Geometry* inputGeom;
69 static std::unique_ptr<Coordinate::Vect> densifyPoints(const Coordinate::Vect pts, double distanceTolerance,
70 const PrecisionModel* precModel);
71
72 class GEOS_DLL DensifyTransformer: public GeometryTransformer {
73 public:
74 DensifyTransformer(double distanceTolerance);
75 double distanceTolerance;
76 CoordinateSequence::Ptr transformCoordinates(const CoordinateSequence* coords, const Geometry* parent) override;
77 Geometry::Ptr transformPolygon(const Polygon* geom, const Geometry* parent) override;
78 Geometry::Ptr transformMultiPolygon(const MultiPolygon* geom, const Geometry* parent) override;
79 Geometry::Ptr createValidArea(const Geometry* roughAreaGeom);
80 };
81
82}; // Densifier
83
84} // namespace geos.geom.util
85} // namespace geos.geom
86} // namespace geos
87
88#ifdef _MSC_VER
89#pragma warning(pop)
90#endif
91
92#endif // GEOS_DENSIFIER_H
The internal representation of a list of coordinates inside a Geometry.
Definition CoordinateSequence.h:58
std::vector< Coordinate > Vect
A vector of Coordinate objects (real object, not pointers)
Definition Coordinate.h:77
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:188
std::unique_ptr< Geometry > Ptr
An unique_ptr of Geometry.
Definition Geometry.h:201
Definition MultiPolygon.h:59
Represents a linear polygon, which may include holes.
Definition Polygon.h:64
Specifies the precision model of the Coordinate in a Geometry.
Definition PrecisionModel.h:87
Definition Densifier.h:58
A framework for processes which transform an input Geometry into an output Geometry,...
Definition GeometryTransformer.h:89
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26