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SimpleGeometryPrecisionReducer.h

00001 /**********************************************************************
00002  * $Id: SimpleGeometryPrecisionReducer.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************/
00015 
00016 #ifndef GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
00017 #define GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
00018 
00019 #include <geos/export.h>
00020 
00021 // Forward declarations
00022 namespace geos {
00023         namespace geom { 
00024                 class PrecisionModel;
00025                 class Geometry;
00026         }
00027 }
00028 
00029 namespace geos {
00030 namespace precision { // geos.precision
00031 
00045 class GEOS_DLL SimpleGeometryPrecisionReducer {
00046 
00047 private:
00048 
00049         const geom::PrecisionModel *newPrecisionModel;
00050 
00051         bool removeCollapsed;
00052 
00053         //bool changePrecisionModel;
00054 
00055 public:
00056 
00057         SimpleGeometryPrecisionReducer(const geom::PrecisionModel *pm);
00058 
00067         void setRemoveCollapsedComponents(bool nRemoveCollapsed);
00068 
00069         /*
00070          * Sets whether the {@link PrecisionModel} of the new reduced Geometry
00071          * will be changed to be the {@link PrecisionModel} supplied to
00072          * specify the reduction.  The default is to not change the
00073          * precision model
00074          *
00075          * @param changePrecisionModel if <code>true</code> the precision
00076          * model of the created Geometry will be the
00077          * the precisionModel supplied in the constructor.
00078          */
00079         //void setChangePrecisionModel(bool nChangePrecisionModel);
00080 
00081         const geom::PrecisionModel* getPrecisionModel();
00082 
00083         bool getRemoveCollapsed();
00084         geom::Geometry* reduce(const geom::Geometry *geom);
00085 };
00086 
00087 } // namespace geos.precision
00088 } // namespace geos
00089 
00090 #endif // GEOS_PRECISION_SIMPLEGEOMETRYPRECISIONREDUCER_H
00091 
00092 /**********************************************************************
00093  * $Log$
00094  * Revision 1.2  2006/04/03 13:56:55  strk
00095  * Made externally-owned PrecisionModel  const
00096  *
00097  * Revision 1.1  2006/03/23 09:17:19  strk
00098  * precision.h header split, minor optimizations
00099  *
00100  **********************************************************************/

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