19#ifndef GEOS_ALGORITHM_ORIENTATION_H
20#define GEOS_ALGORITHM_ORIENTATION_H
22#include <geos/export.h>
23#include <geos/geom/Coordinate.h>
24#include <geos/geom/CoordinateSequence.h>
Functions to compute the orientation of basic geometric structures including point triplets (triangle...
Definition Orientation.h:43
static bool isCCWArea(const geom::CoordinateSequence *ring)
static bool isCCW(const geom::CoordinateSequence *ring)
static int index(const geom::Coordinate &p1, const geom::Coordinate &p2, const geom::Coordinate &q)
Returns the orientation index of the direction of the point q relative to a directed infinite line sp...
The internal representation of a list of coordinates inside a Geometry.
Definition CoordinateSequence.h:58
Coordinate is the lightweight class used to store coordinates.
Definition Coordinate.h:60
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26