GEOS: SimpleGeometryPrecisionReducer.h Source File

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SimpleGeometryPrecisionReducer.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2005-2006 Refractions Research Inc.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************/
14
15 #ifndef GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
16 #define GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
17
18 #include <geos/export.h>
19
20 // Forward declarations
21 namespace geos {
22 namespace geom {
23 class PrecisionModel;
24 class Geometry;
25 }
26 }
27
28 namespace geos {
29 namespace precision { // geos.precision
30
44 class GEOS_DLL SimpleGeometryPrecisionReducer {
45
46 private:
47
48 const geom::PrecisionModel *newPrecisionModel;
49
50 bool removeCollapsed;
51
52 //bool changePrecisionModel;
53
54 public:
55
56 SimpleGeometryPrecisionReducer(const geom::PrecisionModel *pm);
57
66 void setRemoveCollapsedComponents(bool nRemoveCollapsed);
67
68 /*
69 * Sets whether the {@link PrecisionModel} of the new reduced Geometry
70 * will be changed to be the {@link PrecisionModel} supplied to
71 * specify the reduction. The default is to not change the
72 * precision model
73 *
74 * @param changePrecisionModel if <code>true</code> the precision
75 * model of the created Geometry will be the
76 * the precisionModel supplied in the constructor.
77 */
78 //void setChangePrecisionModel(bool nChangePrecisionModel);
79
80 const geom::PrecisionModel* getPrecisionModel();
81
82 bool getRemoveCollapsed();
83 geom::Geometry* reduce(const geom::Geometry *geom);
84 };
85
86 } // namespace geos.precision
87 } // namespace geos
88
89 #endif // GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
geos::geom::PrecisionModel
Specifies the precision model of the Coordinate in a Geometry.
Definition: PrecisionModel.h:87
geos::geom::Geometry
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
geos::precision::SimpleGeometryPrecisionReducer
Reduces the precision of a Geometry according to the supplied PrecisionModel, without attempting to p...
Definition: SimpleGeometryPrecisionReducer.h:44