You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
1 month ago
|
/**********************************************************************
|
||
|
|
*
|
||
|
|
* GEOS - Geometry Engine Open Source
|
||
|
|
* http://geos.osgeo.org
|
||
|
|
*
|
||
|
|
* Copyright (C) 2016 Daniel Baston
|
||
|
|
*
|
||
|
|
* 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: precision/MinimumClearance.java (f6187ee2 JTS-1.14)
|
||
|
|
*
|
||
|
|
**********************************************************************/
|
||
|
|
|
||
|
|
#ifndef GEOS_PRECISION_MINIMUMCLEARANCE_H
|
||
|
|
#define GEOS_PRECISION_MINIMUMCLEARANCE_H
|
||
|
|
|
||
|
|
#include <geos/geom/Geometry.h>
|
||
|
|
#include <geos/geom/LineString.h>
|
||
|
|
#include <geos/geom/CoordinateSequence.h>
|
||
|
|
|
||
|
|
namespace geos {
|
||
|
|
namespace precision {
|
||
|
|
|
||
|
|
/// Computes the Minimum Clearance of a Geometry.
|
||
|
|
class GEOS_DLL MinimumClearance {
|
||
|
|
private:
|
||
|
|
const geom::Geometry* inputGeom;
|
||
|
|
double minClearance;
|
||
|
|
std::unique_ptr<geom::CoordinateSequence> minClearancePts;
|
||
|
|
|
||
|
|
void compute();
|
||
|
|
public:
|
||
|
|
MinimumClearance(const geom::Geometry* g);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the Minimum Clearance distance.
|
||
|
|
*
|
||
|
|
* @return the value of the minimum clearance distance
|
||
|
|
* or <tt>DBL_MAX</tt> if no Minimum Clearance distance exists
|
||
|
|
*/
|
||
|
|
double getDistance();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a LineString containing two points
|
||
|
|
* which are at the Minimum Clearance distance.
|
||
|
|
*
|
||
|
|
* @return the value of the minimum clearance distance
|
||
|
|
* or <tt>LINESTRING EMPTY</tt> if no Minimum Clearance distance exists
|
||
|
|
*/
|
||
|
|
std::unique_ptr<geom::LineString> getLine();
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|