GEOS: Triangle.h Source File

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Triangle.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 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_GEOM_TRIANGLE_H
16 #define GEOS_GEOM_TRIANGLE_H
17
18 #include <geos/export.h>
19 #include <geos/geom/Coordinate.h>
20
21 #include <geos/inline.h>
22
23 namespace geos {
24 namespace geom { // geos::geom
25
31 class GEOS_DLL Triangle {
32 public:
33 Coordinate p0, p1, p2;
34
35 Triangle(const Coordinate& nP0, const Coordinate& nP1, const Coordinate& nP2)
36 :
37 p0(nP0),
38 p1(nP1),
39 p2(nP2)
40 {}
41
49 void inCentre(Coordinate& resultPoint);
50
67 void circumcentre(Coordinate& resultPoint);
68
69 private:
70
85 double det(double m00 , double m01 , double m10 , double m11) const;
86
87 };
88
89
90 } // namespace geos::geom
91 } // namespace geos
92
93 //#ifdef GEOS_INLINE
94 //# include "geos/geom/Triangle.inl"
95 //#endif
96
97 #endif // ndef GEOS_GEOM_TRIANGLE_H
geos::geom::Coordinate
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
geos::geom::Triangle
Represents a planar triangle, and provides methods for calculating various properties of triangles...
Definition: Triangle.h:31