Abstract base class for 2 dimensional objects like polygons or curve polygons.
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virtual double | get_Area () const =0 |
| Get the area of the surface object. More...
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virtual OGRErr | PointOnSurface (OGRPoint *poPoint) const =0 |
| This method relates to the SFCOM ISurface::get_PointOnSurface() method. More...
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| OGRGeometry (const OGRGeometry &other) |
| Copy constructor. More...
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OGRGeometry & | operator= (const OGRGeometry &other) |
| Assignment operator. More...
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virtual int | getDimension () const =0 |
| Get the dimension of this object. More...
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virtual int | getCoordinateDimension () const |
| Get the dimension of the coordinates in this object. More...
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int | CoordinateDimension () const |
| Get the dimension of the coordinates in this object. More...
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virtual OGRBoolean | IsEmpty () const |
| Returns TRUE (non-zero) if the object has no points. More...
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virtual OGRBoolean | IsValid () const |
| Test if the geometry is valid. More...
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virtual OGRBoolean | IsSimple () const |
| Test if the geometry is simple. More...
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OGRBoolean | Is3D () const |
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OGRBoolean | IsMeasured () const |
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virtual OGRBoolean | IsRing () const |
| Test if the geometry is a ring. More...
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virtual void | empty ()=0 |
| Clear geometry information. More...
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virtual OGRGeometry * | clone () const CPL_WARN_UNUSED_RESULT=0 |
| Make a copy of this object. More...
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virtual void | getEnvelope (OGREnvelope *psEnvelope) const =0 |
| Computes and returns the bounding envelope for this geometry in the passed psEnvelope structure. More...
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virtual void | getEnvelope (OGREnvelope3D *psEnvelope) const =0 |
| Computes and returns the bounding envelope (3D) for this geometry in the passed psEnvelope structure. More...
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virtual int | WkbSize () const =0 |
| Returns size of related binary representation. More...
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virtual OGRErr | importFromWkb (unsigned char *, int=-1, OGRwkbVariant=wkbVariantOldOgc)=0 |
| Assign geometry from well known binary data. More...
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virtual OGRErr | exportToWkb (OGRwkbByteOrder, unsigned char *, OGRwkbVariant=wkbVariantOldOgc) const =0 |
| Convert a geometry into well known binary format. More...
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virtual OGRErr | importFromWkt (char **ppszInput)=0 |
| Assign geometry from well known text data. More...
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virtual OGRErr | exportToWkt (char **ppszDstText, OGRwkbVariant=wkbVariantOldOgc) const =0 |
| Convert a geometry into well known text format. More...
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virtual OGRwkbGeometryType | getGeometryType () const =0 |
| Fetch geometry type. More...
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OGRwkbGeometryType | getIsoGeometryType () const |
| Get the geometry type that conforms with ISO SQL/MM Part3. More...
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virtual const char * | getGeometryName () const =0 |
| Fetch WKT name for geometry type. More...
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virtual void | dumpReadable (FILE *, const char *=NULL, char **papszOptions=NULL) const |
| Dump geometry in well known text format to indicated output file. More...
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virtual void | flattenTo2D ()=0 |
| Convert geometry to strictly 2D. More...
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virtual char * | exportToGML (const char *const *papszOptions=NULL) const |
| Convert a geometry into GML format. More...
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virtual char * | exportToKML () const |
| Convert a geometry into KML format. More...
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virtual char * | exportToJson () const |
| Convert a geometry into GeoJSON format. More...
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virtual GEOSGeom | exportToGEOS (GEOSContextHandle_t hGEOSCtxt) const CPL_WARN_UNUSED_RESULT |
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virtual OGRBoolean | hasCurveGeometry (int bLookForNonLinear=FALSE) const |
| Returns if this geometry is or has curve geometry. More...
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virtual OGRGeometry * | getCurveGeometry (const char *const *papszOptions=NULL) const CPL_WARN_UNUSED_RESULT |
| Return curve version of this geometry. More...
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virtual OGRGeometry * | getLinearGeometry (double dfMaxAngleStepSizeDegrees=0, const char *const *papszOptions=NULL) const CPL_WARN_UNUSED_RESULT |
| Return, possibly approximate, non-curve version of this geometry. More...
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virtual void | closeRings () |
| Force rings to be closed. More...
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virtual void | setCoordinateDimension (int nDimension) |
| Set the coordinate dimension. More...
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virtual void | set3D (OGRBoolean bIs3D) |
| Add or remove the Z coordinate dimension. More...
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virtual void | setMeasured (OGRBoolean bIsMeasured) |
| Add or remove the M coordinate dimension. More...
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void | assignSpatialReference (OGRSpatialReference *poSR) |
| Assign spatial reference to this object. More...
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OGRSpatialReference * | getSpatialReference (void) const |
| Returns spatial reference system for object. More...
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virtual OGRErr | transform (OGRCoordinateTransformation *poCT)=0 |
| Apply arbitrary coordinate transformation to geometry. More...
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OGRErr | transformTo (OGRSpatialReference *poSR) |
| Transform geometry to new spatial reference system. More...
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virtual void | segmentize (double dfMaxLength) |
| Modify the geometry such it has no segment longer then the given distance. More...
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virtual OGRBoolean | Intersects (const OGRGeometry *) const |
| Do these features intersect? More...
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virtual OGRBoolean | Equals (OGRGeometry *) const =0 |
| Returns TRUE if two geometries are equivalent. More...
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virtual OGRBoolean | Disjoint (const OGRGeometry *) const |
| Test for disjointness. More...
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virtual OGRBoolean | Touches (const OGRGeometry *) const |
| Test for touching. More...
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virtual OGRBoolean | Crosses (const OGRGeometry *) const |
| Test for crossing. More...
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virtual OGRBoolean | Within (const OGRGeometry *) const |
| Test for containment. More...
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virtual OGRBoolean | Contains (const OGRGeometry *) const |
| Test for containment. More...
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virtual OGRBoolean | Overlaps (const OGRGeometry *) const |
| Test for overlap. More...
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virtual OGRGeometry * | Boundary () const CPL_WARN_UNUSED_RESULT |
| Compute boundary. More...
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virtual double | Distance (const OGRGeometry *) const |
| Compute distance between two geometries. More...
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virtual OGRGeometry * | ConvexHull () const CPL_WARN_UNUSED_RESULT |
| Compute convex hull. More...
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virtual OGRGeometry * | Buffer (double dfDist, int nQuadSegs=30) const CPL_WARN_UNUSED_RESULT |
| Compute buffer of geometry. More...
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virtual OGRGeometry * | Intersection (const OGRGeometry *) const CPL_WARN_UNUSED_RESULT |
| Compute intersection. More...
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virtual OGRGeometry * | Union (const OGRGeometry *) const CPL_WARN_UNUSED_RESULT |
| Compute union. More...
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virtual OGRGeometry * | UnionCascaded () const CPL_WARN_UNUSED_RESULT |
| Compute union using cascading. More...
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virtual OGRGeometry * | Difference (const OGRGeometry *) const CPL_WARN_UNUSED_RESULT |
| Compute difference. More...
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virtual OGRGeometry * | SymDifference (const OGRGeometry *) const CPL_WARN_UNUSED_RESULT |
| Compute symmetric difference. More...
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virtual OGRErr | Centroid (OGRPoint *poPoint) const |
| Compute the geometry centroid. More...
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virtual OGRGeometry * | Simplify (double dTolerance) const CPL_WARN_UNUSED_RESULT |
| Simplify the geometry. More...
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OGRGeometry * | SimplifyPreserveTopology (double dTolerance) const CPL_WARN_UNUSED_RESULT |
| Simplify the geometry while preserving topology. More...
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virtual OGRGeometry * | DelaunayTriangulation (double dfTolerance, int bOnlyEdges) const CPL_WARN_UNUSED_RESULT |
| Return a Delaunay triangulation of the vertices of the geometry. More...
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virtual OGRGeometry * | Polygonize () const CPL_WARN_UNUSED_RESULT |
| Polygonizes a set of sparse edges. More...
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OGRBoolean | Intersect (OGRGeometry *) const CPL_WARN_DEPRECATED("Non standard method. Use Intersects() instead") |
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OGRBoolean | Equal (OGRGeometry *) const CPL_WARN_DEPRECATED("Non standard method. Use Equals() instead") |
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OGRGeometry * | SymmetricDifference (const OGRGeometry *) const CPL_WARN_DEPRECATED("Non standard method. Use SymDifference() instead") |
| Compute symmetric difference (deprecated) More...
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OGRGeometry * | getBoundary () const CPL_WARN_DEPRECATED("Non standard method. Use Boundary() instead") |
| Compute boundary (deprecated) More...
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virtual void | swapXY () |
| Swap x and y coordinates. More...
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Abstract base class for 2 dimensional objects like polygons or curve polygons.