GEOS 3.2.2
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Snaps the vertices and segments of a geometry to another's vertices. Should improve robustness for overlay operations. More...
#include <GeometrySnapper.h>
Public Types | |
typedef std::auto_ptr < geom::Geometry > | GeomPtr |
typedef std::pair< GeomPtr, GeomPtr > | GeomPtrPair |
Public Member Functions | |
GeometrySnapper (const geom::Geometry &g) | |
std::auto_ptr< geom::Geometry > | snapTo (const geom::Geometry &g, double snapTolerance) |
Snaps the vertices in the component LineStrings of the source geometry to the vertices of the given snap geometry with a given snap tolerance. | |
Static Public Member Functions | |
static void | snap (const geom::Geometry &g0, const geom::Geometry &g1, double snapTolerance, GeomPtrPair &ret) |
static double | computeOverlaySnapTolerance (const geom::Geometry &g) |
Estimates the snap tolerance for a Geometry, taking into account its precision model. | |
static double | computeSizeBasedSnapTolerance (const geom::Geometry &g) |
static double | computeOverlaySnapTolerance (const geom::Geometry &g1, const geom::Geometry &g2) |
Computes the snap tolerance based on input geometries;. |
Snaps the vertices and segments of a geometry to another's vertices. Should improve robustness for overlay operations.
geos::operation::overlay::snap::GeometrySnapper::GeometrySnapper | ( | const geom::Geometry & | g | ) | [inline] |
Creates a new snapper acting on the given geometry
g | the geometry to snap |
static double geos::operation::overlay::snap::GeometrySnapper::computeOverlaySnapTolerance | ( | const geom::Geometry & | g | ) | [static] |
Estimates the snap tolerance for a Geometry, taking into account its precision model.
g | a Geometry |
static void geos::operation::overlay::snap::GeometrySnapper::snap | ( | const geom::Geometry & | g0, |
const geom::Geometry & | g1, | ||
double | snapTolerance, | ||
GeomPtrPair & | ret | ||
) | [static] |
Snaps two geometries together with a given tolerance.
g0 | a geometry to snap |
g1 | a geometry to snap |
snapTolerance | the tolerance to use |
ret | the snapped geometries as a pair of auto_ptrs (output parameter) |
std::auto_ptr<geom::Geometry> geos::operation::overlay::snap::GeometrySnapper::snapTo | ( | const geom::Geometry & | g, |
double | snapTolerance | ||
) |
Snaps the vertices in the component LineStrings of the source geometry to the vertices of the given snap geometry with a given snap tolerance.
g | a geometry to snap the source to |
snapTolerance |