GEOS
3.3.3
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#include <Polygonal.h>
Additional Inherited Members | |
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typedef std::vector< const Geometry * > | ConstVect |
A vector of const Geometry pointers. | |
typedef std::vector< Geometry * > | NonConstVect |
A vector of non-const Geometry pointers. | |
typedef std::auto_ptr< Geometry > | AutoPtr |
An auto_ptr of Geometry. | |
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virtual Geometry * | clone () const =0 |
Make a deep-copy of this Geometry. | |
virtual | ~Geometry () |
Destroy Geometry and all components. | |
const GeometryFactory * | getFactory () const |
Gets the factory which contains the context in which this geometry was created. | |
void | setUserData (void *newUserData) |
A simple scheme for applications to add their own custom data to a Geometry. An example use might be to add an object representing a Coordinate Reference System. | |
void * | getUserData () |
Gets the user data object for this geometry, if any. | |
virtual int | getSRID () const |
virtual void | setSRID (int newSRID) |
const PrecisionModel * | getPrecisionModel () const |
Get the PrecisionModel used to create this Geometry. | |
virtual const Coordinate * | getCoordinate () const =0 |
Returns a vertex of this Geometry, or NULL if this is the empty geometry. | |
virtual CoordinateSequence * | getCoordinates () const =0 |
Returns this Geometry vertices. Caller takes ownership of the returned object. | |
virtual std::size_t | getNumPoints () const =0 |
Returns the count of this Geometrys vertices. | |
virtual bool | isSimple () const |
Returns false if the Geometry not simple. | |
virtual std::string | getGeometryType () const =0 |
Return a string representation of this Geometry type. | |
virtual GeometryTypeId | getGeometryTypeId () const =0 |
Return an integer representation of this Geometry type. | |
virtual std::size_t | getNumGeometries () const |
virtual const Geometry * | getGeometryN (std::size_t) const |
virtual bool | isValid () const |
Tests the validity of this Geometry . | |
virtual bool | isEmpty () const =0 |
Returns whether or not the set of points in this Geometry is empty. | |
virtual bool | isRectangle () const |
Polygon overrides to check for actual rectangle. | |
virtual Dimension::DimensionType | getDimension () const =0 |
Returns the dimension of this Geometry (0=point, 1=line, 2=surface) | |
virtual int | getCoordinateDimension () const =0 |
Returns the coordinate dimension of this Geometry (2=XY, 3=XYZ, 4=XYZM in future). | |
virtual Geometry * | getBoundary () const =0 |
Returns the boundary, or an empty geometry of appropriate dimension if this Geometry is empty. | |
virtual int | getBoundaryDimension () const =0 |
Returns the dimension of this Geometrys inherent boundary. | |
virtual Geometry * | getEnvelope () const |
Returns this Geometrys bounding box. | |
virtual const Envelope * | getEnvelopeInternal () const |
Returns the minimum and maximum x and y values in this Geometry, or a null Envelope if this Geometry is empty. | |
virtual bool | disjoint (const Geometry *other) const |
virtual bool | touches (const Geometry *other) const |
Returns true if the DE-9IM intersection matrix for the two Geometrys is FT*******, F**T***** or F***T****. | |
virtual bool | intersects (const Geometry *g) const |
Returns true if disjoint returns false. | |
virtual bool | crosses (const Geometry *g) const |
virtual bool | within (const Geometry *g) const |
Returns true if the DE-9IM intersection matrix for the two Geometrys is T*F**F***. | |
virtual bool | contains (const Geometry *g) const |
Returns true if other.within(this) returns true. | |
virtual bool | overlaps (const Geometry *g) const |
Returns true if the DE-9IM intersection matrix for the two Geometrys is T*T***T** (for two points or two surfaces) 1*T***T** (for two curves). | |
virtual bool | relate (const Geometry *g, const std::string &intersectionPattern) const |
Returns true if the elements in the DE-9IM intersection matrix for the two Geometrys match the elements in intersectionPattern. | |
bool | relate (const Geometry &g, const std::string &intersectionPattern) const |
virtual IntersectionMatrix * | relate (const Geometry *g) const |
Returns the DE-9IM intersection matrix for the two Geometrys. | |
IntersectionMatrix * | relate (const Geometry &g) const |
virtual bool | equals (const Geometry *g) const |
Returns true if the DE-9IM intersection matrix for the two Geometrys is T*F**FFF*. | |
bool | covers (const Geometry *g) const |
Returns true if this geometry covers the specified geometry. | |
bool | coveredBy (const Geometry *g) const |
Tests whether this geometry is covered by the specified geometry. | |
virtual std::string | toString () const |
Returns the Well-known Text representation of this Geometry. | |
virtual std::string | toText () const |
virtual Geometry * | buffer (double distance) const |
Returns a buffer region around this Geometry having the given width. | |
virtual Geometry * | buffer (double distance, int quadrantSegments) const |
Returns a buffer region around this Geometry having the given width and with a specified number of segments used to approximate curves. | |
virtual Geometry * | buffer (double distance, int quadrantSegments, int endCapStyle) const |
Computes a buffer area around this geometry having the given width and with a specified accuracy of approximation for circular arcs, and using a specified end cap style. | |
virtual Geometry * | convexHull () const |
Returns the smallest convex Polygon that contains all the points in the Geometry. | |
virtual Geometry * | intersection (const Geometry *other) const |
Returns a Geometry representing the points shared by this Geometry and other. | |
Geometry * | Union (const Geometry *other) const |
Returns a Geometry representing all the points in this Geometry and other. | |
AutoPtr | Union () const |
virtual Geometry * | difference (const Geometry *other) const |
Returns a Geometry representing the points making up this Geometry that do not make up other. | |
virtual Geometry * | symDifference (const Geometry *other) const |
Returns a set combining the points in this Geometry not in other, and the points in other not in this Geometry. | |
virtual bool | equalsExact (const Geometry *other, double tolerance=0) const =0 |
Returns true if the two Geometrys are exactly equal, up to a specified tolerance. | |
virtual void | apply_rw (const CoordinateFilter *filter)=0 |
virtual void | apply_ro (CoordinateFilter *filter) const =0 |
virtual void | apply_rw (GeometryFilter *filter) |
virtual void | apply_ro (GeometryFilter *filter) const |
virtual void | apply_rw (GeometryComponentFilter *filter) |
virtual void | apply_ro (GeometryComponentFilter *filter) const |
virtual void | apply_rw (CoordinateSequenceFilter &filter)=0 |
virtual void | apply_ro (CoordinateSequenceFilter &filter) const =0 |
template<class T > | |
void | applyComponentFilter (T &f) const |
Apply a fiter to each component of this geometry. The filter is expected to provide a .filter(const Geometry*) method. | |
virtual void | normalize ()=0 |
Converts this Geometry to normal form (or canonical form). | |
virtual int | compareTo (const Geometry *geom) const |
virtual double | distance (const Geometry *g) const |
Returns the minimum distance between this Geometry and the Geometry g. | |
virtual double | getArea () const |
Returns the area of this Geometry. | |
virtual double | getLength () const |
Returns the length of this Geometry. | |
virtual bool | isWithinDistance (const Geometry *geom, double cDistance) const |
Tests whether the distance from this Geometry to another is less than or equal to a specified value. | |
virtual Point * | getCentroid () const |
Computes the centroid of this Geometry . | |
virtual bool | getCentroid (Coordinate &ret) const |
Computes the centroid of this Geometry as a Coordinate. | |
virtual Point * | getInteriorPoint () const |
Computes an interior point of this Geometry . | |
virtual void | geometryChanged () |
void | geometryChangedAction () |
Notifies this Geometry that its Coordinates have been changed by an external party. | |
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virtual bool | isEquivalentClass (const Geometry *other) const |
Returns whether the two Geometrys are equal, from the point of view of the equalsExact method. | |
virtual Envelope::AutoPtr | computeEnvelopeInternal () const =0 |
virtual int | compareToSameClass (const Geometry *geom) const =0 |
int | compare (std::vector< Coordinate > a, std::vector< Coordinate > b) const |
int | compare (std::vector< Geometry * > a, std::vector< Geometry * > b) const |
bool | equal (const Coordinate &a, const Coordinate &b, double tolerance) const |
Geometry (const Geometry &geom) | |
Polygon overrides to check for actual rectangle. | |
Geometry (const GeometryFactory *factory) | |
Construct a geometry with the given GeometryFactory. | |
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static bool | hasNonEmptyElements (const std::vector< Geometry * > *geometries) |
Returns true if the array contains any non-empty Geometrys. | |
static bool | hasNullElements (const CoordinateSequence *list) |
Returns true if the CoordinateSequence contains any null elements. | |
static bool | hasNullElements (const std::vector< Geometry * > *lrs) |
Returns true if the vector contains any null elements. | |
static void | checkNotGeometryCollection (const Geometry *g) |
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std::auto_ptr< Envelope > | envelope |
The bounding box of this Geometry. | |
int | SRID |