21 #include <geos/export.h>
22 #include <geos/geom/Coordinate.h>
23 #include <geos/geom/CoordinateSequence.h>
67 static int index(
const geom::CoordinateXY& p1,
const geom::CoordinateXY& p2,
68 const geom::CoordinateXY& q);
Functions to compute the orientation of basic geometric structures including point triplets (triangle...
Definition: Orientation.h:42
static int index(const geom::CoordinateXY &p1, const geom::CoordinateXY &p2, const geom::CoordinateXY &q)
Returns the orientation index of the direction of the point q relative to a directed infinite line sp...
static bool isCCWArea(const geom::CoordinateSequence *ring)
static bool isCCW(const geom::CoordinateSequence *ring)
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:56
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25