MultiSurface is a class that represents a 2-dimensional GeometryCollection whose elements are surfaces. More...
#include <MultiSurface.h>
Public Types | |
typedef void | ReturnType |
typedef Visitor | VisitorType |
Public Member Functions | |
virtual ReturnType | accept (VisitorType &guest) const =0 |
It call the visit method from the guest object. More... | |
TE_DEFINE_VISITABLE | MultiSurface (std::size_t nGeom, GeomType t, int srid=0, Envelope *mbr=0) |
It initializes the Geometry with the specified spatial reference system id and envelope. More... | |
MultiSurface (const MultiSurface &rhs) | |
Copy constructor. More... | |
virtual MultiSurface & | operator= (const MultiSurface &rhs) |
Assignment operator. More... | |
virtual | ~MultiSurface () |
Virtual destructor. More... | |
Re-Implementation from AbstractData | |
Methods re-Implementated from AbstractData. | |
virtual te::dt::AbstractData * | clone () const |
It clones the multi surface. More... | |
MultiSurface Specific Methods | |
Specific methods for a MultiSurface. | |
double | getArea () const |
It returns the area of this MultiSurface, as measured in the spatial reference system of this multisurface. More... | |
Point * | getCentroid () const |
It returns the mathematical centroid for this MultiSurface as a point. More... | |
Coord2D * | getCentroidCoord () const |
It returns the mathematical centroid for this MultiSurface as a coordinate. More... | |
Point * | getPointOnSurface () const |
It returns a point guaranteed to be on this MultiSurface. More... | |
Coord2D * | getCoordOnSurface () const |
It returns a coordinate guaranteed to be on this MultiSurface. More... | |
double | getPerimeter () const |
It returns the length of the boundary for the surface. More... | |
Re-Implmentation of methods from Geometry class | |
Re-Implmentation of basic methods from Geometry class. | |
Dimensionality | getDimension () const throw () |
MultiSurface is 2-dimenional. More... | |
Re-Implmentation of methods from Geometry class | |
Re-Implmentation of basic methods from Geometry class. | |
virtual const std::string & | getGeometryType () const throw () |
The name of the Geometry subtype is: GeometryCollection. More... | |
void | setSRID (int srid) throw () |
It sets the Spatial Reference System ID of the geometry collection and all its parts. More... | |
void | transform (int srid) throw (te::common::Exception) |
It will transform the coordinates of the geometry collection to the new one. More... | |
void | computeMBR (bool cascade) const throw () |
It computes the minimum bounding rectangle for the geometry collection. More... | |
std::size_t | getNPoints () const throw () |
it returns the number of points (vertexes) in the geometry. More... | |
GeometryCollection Specific Methods | |
Specific methods for a GeometryCollection. | |
const std::vector< Geometry * > & | getGeometries () const |
It returns a reference to the internal list of geometries. More... | |
std::vector< Geometry * > & | getGeometries () |
It returns a reference to the internal list of geometries. More... | |
std::size_t | getNumGeometries () const |
It returns the number of geometries in this GeometryCollection. More... | |
void | setNumGeometries (std::size_t size) |
It sets the number of geometries in this GeometryCollection. More... | |
Geometry * | getGeometryN (std::size_t i) const |
It returns the n-th geometry in this GeometryCollection. More... | |
Geometry * | getGeometryN (std::size_t i) |
It returns the n-th geometry in this GeometryCollection. More... | |
void | setGeometryN (std::size_t i, Geometry *g) |
It sets the n-th geometry in this geometry collection. More... | |
void | removeGeometryN (std::size_t i) |
It removes the n-th geometry in this geometry collection. More... | |
void | add (Geometry *g) |
It adds the geometry into the collection. More... | |
void | clear () |
It deletes all the elements of the collection. More... | |
Basic Geometry Methods | |
Basic methods on geometric objects. | |
int | getCoordinateDimension () const throw () |
It returns the number of measurements or axes needed to describe a position in a coordinate system. More... | |
GeomType | getGeomTypeId () const throw () |
It returns the geometry subclass type identifier. More... | |
int | getSRID () const throw () |
It returns the Spatial Reference System ID associated to this geometric object. More... | |
Geometry * | getEnvelope () const throw () |
It returns the minimum bounding rectangle (MBR) for the geometry. More... | |
const Envelope * | getMBR () const throw () |
It returns the minimum bounding rectangle for the geometry in an internal representation. More... | |
std::string | asText () const throw () |
It returns an string with the Well-Known Text Representation for the geometry. More... | |
char * | asBinary (std::size_t &size) const throw (Exception) |
It serializes the geometric object to a Well-known Binary Representation (WKB). More... | |
std::size_t | getWkbSize () const throw () |
It returns the size required by a WKB representation for this geometric object. More... | |
void | getWkb (char *wkb, te::common::MachineByteOrder byteOrder) const throw (Exception) |
It serializes the geometry to a WKB representation into the specified buffer. More... | |
virtual bool | isEmpty () const throw (std::exception) |
It returns true if this geometric object is the empty Geometry. More... | |
virtual bool | isSimple () const throw (std::exception) |
It returns true if this geometric object has no anomalous points, such as self intersection or self tangency. More... | |
virtual bool | isValid () const throw (std::exception) |
It tells if the geometry is well formed. More... | |
bool | is3D () const throw () |
It returns true if this geometric object has z coordinate values. More... | |
bool | isMeasured () const throw () |
It returns true if this geometric object has m coordinate values. More... | |
virtual Geometry * | getBoundary () const throw (std::exception) |
It returns the geometry boundary. More... | |
Spatial Relations | |
Methods for testing spatial relations between geometric objects. Please, see OGC specification for a in depth definition of each spatial operation. | |
virtual bool | equals (const Geometry *const rhs, const bool exact=false) const throw (std::exception) |
It returns true if the geometry object is spatially equal to rhs geometry. More... | |
virtual bool | disjoint (const Geometry *const rhs) const throw (std::exception) |
It returns true if the geometry object is spatially disjoint from rhs geometry. More... | |
virtual bool | intersects (const Geometry *const rhs) const throw (std::exception) |
It returns true if the geometry object spatially intersects rhs geometry. More... | |
virtual bool | touches (const Geometry *const rhs) const throw (std::exception) |
It returns true if the geometry object spatially touches rhs geometry. More... | |
virtual bool | crosses (const Geometry *const rhs) const throw (std::exception) |
It returns true if the geometry object spatially crosses rhs geometry. More... | |
virtual bool | within (const Geometry *const rhs) const throw (std::exception) |
It returns true if the geometry object is spatially within rhs geometry. More... | |
virtual bool | contains (const Geometry *const rhs) const throw (std::exception) |
It returns true if this geometry object spatially contains rhs geometry. More... | |
virtual bool | overlaps (const Geometry *const rhs) const throw (std::exception) |
It returns true if this geometry object spatially overlaps rhs geometry. More... | |
virtual bool | relate (const Geometry *const rhs, const std::string &matrix) const throw (std::exception) |
It returns true if this geometry object is spatially related to rhs geometry according to the pattern expressed by the intersection matrix. More... | |
virtual std::string | relate (const Geometry *const rhs) const throw (std::exception) |
It returns the spatial relation between this geometry object and the rhs geometry. More... | |
virtual bool | covers (const Geometry *const rhs) const throw (std::exception) |
It returns true if this geometry object spatially covers the rhs geometry. More... | |
virtual bool | coveredBy (const Geometry *const rhs) const throw (std::exception) |
It returns true if this geometry object is spatially covered by rhs geometry. More... | |
virtual Geometry * | locateAlong (const double &mValue) const throw (Exception) |
It returns a derived GeometryCollection value according to the specified coordinate value. More... | |
virtual Geometry * | locateBetween (const double &mStart, const double &mEnd) const throw (Exception) |
It returns a derived geometry collection value according to the range of coordinate values inclusively. More... | |
Spatial Analysis | |
Methods that support spatial analysis. | |
virtual double | distance (const Geometry *const rhs) const throw (std::exception) |
It returns the shortest distance between any two points in the two geometry objects. More... | |
virtual Geometry * | buffer (const double &distance) const throw (std::exception) |
This method calculates the buffer of a geometry. More... | |
virtual Geometry * | buffer (const double &distance, int quadrantSegments) const throw (std::exception) |
This method calculates the buffer of a geometry. More... | |
virtual Geometry * | buffer (const double &distance, int quadrantSegments, BufferCapStyle endCapStyle) const throw (std::exception) |
This method calculates the buffer of a geometry. More... | |
virtual Geometry * | convexHull () const throw (std::exception) |
This method calculates the Convex Hull of a geometry. More... | |
virtual Geometry * | intersection (const Geometry *const rhs) const throw (std::exception) |
It returns a geometric object that represents the point set intersection with another geometry. More... | |
virtual Geometry * | Union (const Geometry *const rhs) const throw (std::exception) |
It returns a geometric object that represents the point set union with another geometry. More... | |
virtual Geometry * | difference (const Geometry *const rhs) const throw (std::exception) |
It returns a geometric object that represents the point set difference with another geometry. More... | |
virtual Geometry * | symDifference (const Geometry *const rhs) const throw (std::exception) |
It returns a geometric object that represents the point set symetric difference with another geometry. More... | |
virtual bool | dWithin (const Geometry *const rhs, const double &distance) const throw (std::exception) |
It returns true if the geometries are within the specified distance. More... | |
AbstractData Re-implementation | |
Methods re-implemneted from AbstractData. | |
int | getTypeCode () const |
It returns the data type code associated to the data value. More... | |
std::string | toString () const |
It returns the data value in a WKT representation. More... | |
Static Public Member Functions | |
Auxiliary Methods | |
Auxiliary Methods. | |
static GeomType | getGeomTypeId (const std::string >ype) |
It returns the TerraLib geometry type id given a type string (the type string must be in capital letters). More... | |
static bool | isGeomType (const std::string &stype) |
It tells if the given string is a geometry data type. More... | |
static void | loadGeomTypeId () |
It loads the internal MAP of geometry type names to geometry type ids. More... | |
Protected Attributes | |
std::vector< Geometry * > | m_geometries |
The array of geometries that forms the collection. More... | |
GeomType | m_gType |
Internal geometry type. More... | |
Envelope * | m_mbr |
The geometry minimum bounding rectangle. More... | |
int | m_srid |
The Spatial Reference System code associated to the Geometry. More... | |
Static Protected Attributes | |
static std::map< std::string, GeomType > | sm_geomTypeMap |
A set of geometry type names (in UPPER CASE). More... | |
MultiSurface is a class that represents a 2-dimensional GeometryCollection whose elements are surfaces.
Definition at line 54 of file MultiSurface.h.
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inherited |
Definition at line 58 of file BaseVisitable.h.
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inherited |
Definition at line 57 of file BaseVisitable.h.
TE_DEFINE_VISITABLE te::gm::MultiSurface::MultiSurface | ( | std::size_t | nGeom, |
GeomType | t, | ||
int | srid = 0 , |
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Envelope * | mbr = 0 |
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) |
It initializes the Geometry with the specified spatial reference system id and envelope.
nGeom | The number of geometries in the collection. |
t | The internal type of the Geometry. |
srid | The Spatial Reference System ID associated to the Geometry. |
mbr | The minimum bounding rectangle of this geometry (i.e., its envelope). |
te::gm::MultiSurface::MultiSurface | ( | const MultiSurface & | rhs | ) |
Copy constructor.
rhs | The other geometry. |
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inlinevirtual |
Virtual destructor.
Definition at line 80 of file MultiSurface.h.
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pure virtualinherited |
It call the visit method from the guest object.
guest | The guest or visitor. |
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inherited |
It adds the geometry into the collection.
GeometryCollection will take the ownership of the informed geometry.
g | The geometry you want to add to the collection. |
Referenced by te::rp::GetTPConvexHullArea(), and te::rst::PolygonIterator< T >::setNextLine().
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inherited |
It serializes the geometric object to a Well-known Binary Representation (WKB).
size | The size in bytes of the returned WKB. |
Exception | It will throw an exception if the operation could not be performed. |
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inherited |
It returns an string with the Well-Known Text Representation for the geometry.
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virtualinherited |
This method calculates the buffer of a geometry.
distance | Distance value. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
This method calculates the buffer of a geometry.
distance | Distance value. |
quadrantSegments | A specified number of segments used to approximate the curves. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
This method calculates the buffer of a geometry.
As in GEOS, the quadrantSegments argument allows controlling the accuracy of the approximation by specifying the number of line segments used to represent a quadrant of a circle.
distance | Distance value. |
quadrantSegments | A specified number of segments used to approximate the curves. |
endCapStyle | It specifies the shape used at the ends of linestrings. |
std::exception | It will throw an exception if the operation could not be performed. |
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inherited |
It deletes all the elements of the collection.
After calling this method you can NOT use the setGeometryN method. You will need to call setNumGeometries() again or use add().
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virtual |
It clones the multi surface.
Reimplemented from te::gm::GeometryCollection.
Reimplemented in te::gm::MultiPolygon.
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virtualinherited |
It computes the minimum bounding rectangle for the geometry collection.
cascade | If true, it will update the MBR of its parts. |
Implements te::gm::Geometry.
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virtualinherited |
It returns true if this geometry object spatially contains rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
This method calculates the Convex Hull of a geometry.
std::exception | It will throw an exception if the operation could not be performed. |
Referenced by te::rp::GetTPConvexHullArea().
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virtualinherited |
It returns true if this geometry object is spatially covered by rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if this geometry object spatially covers the rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if the geometry object spatially crosses rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns a geometric object that represents the point set difference with another geometry.
rhs | Another geometry whose difference with this geometry will be calculated. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if the geometry object is spatially disjoint from rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns the shortest distance between any two points in the two geometry objects.
rhs | The other geometry. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if the geometries are within the specified distance.
rhs | The other geometry whose symetric difference with this geometry will be calculated. |
distance | The distance. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if the geometry object is spatially equal to rhs geometry.
rhs | The another geometry to be compared. |
exact | If true checks if this geometric object has the same vertexes in the same order of rhs geometry. |
std::exception | It will throw an exception if the operation could not be performed. |
double te::gm::MultiSurface::getArea | ( | ) | const |
It returns the area of this MultiSurface, as measured in the spatial reference system of this multisurface.
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virtualinherited |
It returns the geometry boundary.
std::exception | It will throw an exception if the operation could not be performed. |
Point* te::gm::MultiSurface::getCentroid | ( | ) | const |
It returns the mathematical centroid for this MultiSurface as a point.
Coord2D* te::gm::MultiSurface::getCentroidCoord | ( | ) | const |
It returns the mathematical centroid for this MultiSurface as a coordinate.
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inherited |
It returns the number of measurements or axes needed to describe a position in a coordinate system.
It returns:
Coord2D* te::gm::MultiSurface::getCoordOnSurface | ( | ) | const |
It returns a coordinate guaranteed to be on this MultiSurface.
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virtual |
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inherited |
It returns the minimum bounding rectangle (MBR) for the geometry.
As one can notice, the mbr is returned as a geometry, actually a polygon defined by the corner points of the bounding box [(MINX, MINY), (MAXX, MINY), (MAXX, MAXY), (MINX, MAXY), (MINX, MINY)].
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inlineinherited |
It returns a reference to the internal list of geometries.
Definition at line 207 of file GeometryCollection.h.
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inlineinherited |
It returns a reference to the internal list of geometries.
Definition at line 218 of file GeometryCollection.h.
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inherited |
It returns the n-th geometry in this GeometryCollection.
i | The index of the given geometry element. |
Referenced by te::rst::PolygonIterator< T >::decompose().
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inherited |
It returns the n-th geometry in this GeometryCollection.
i | The index of the given geometry element. |
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virtualinherited |
The name of the Geometry subtype is: GeometryCollection.
Implements te::gm::Geometry.
Reimplemented in te::gm::MultiPolygon, te::gm::MultiPoint, and te::gm::MultiLineString.
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inlineinherited |
It returns the geometry subclass type identifier.
Definition at line 178 of file Geometry.h.
Referenced by te::rst::PolygonIterator< T >::decompose(), and te::rst::PolygonIterator< T >::setNextLine().
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staticinherited |
It returns the TerraLib geometry type id given a type string (the type string must be in capital letters).
stype | The geometry type name. |
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inherited |
It returns the minimum bounding rectangle for the geometry in an internal representation.
The mbr can be constructed when reading a geometry from a database or it can be computed internally. So, if the mbr is not already set it will compute it just when this method is called. Successive calls to this method will not compute the mbr anymore.
Referenced by te::rst::PolygonIterator< T >::PolygonIterator().
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virtualinherited |
it returns the number of points (vertexes) in the geometry.
Implements te::gm::Geometry.
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inlineinherited |
It returns the number of geometries in this GeometryCollection.
Definition at line 228 of file GeometryCollection.h.
Referenced by te::rst::PolygonIterator< T >::decompose().
double te::gm::MultiSurface::getPerimeter | ( | ) | const |
It returns the length of the boundary for the surface.
Point* te::gm::MultiSurface::getPointOnSurface | ( | ) | const |
It returns a point guaranteed to be on this MultiSurface.
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inlineinherited |
It returns the Spatial Reference System ID associated to this geometric object.
This value can be used to identify the associated Spatial Reference System.
Definition at line 189 of file Geometry.h.
Referenced by te::rst::PolygonIterator< T >::decompose(), te::rst::LineIterator< T >::LineIterator(), te::rst::PolygonIterator< T >::PolygonIterator(), and te::rst::PolygonIterator< T >::setNextLine().
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virtualinherited |
It returns the data type code associated to the data value.
Implements te::dt::AbstractData.
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inherited |
It serializes the geometry to a WKB representation into the specified buffer.
The wkb parameter must have at least getWkbSize() in order to be used. Don't pass a NULL pointer or a buffer smaller than the size needed. Note that the WKB will be on the specified byte order.
wkb | The buffer where the Geometry will be serialized. |
byteOrder | The byte order used to store/serialize the geometry. |
Exception | It will throw an exception if the operation could not be performed. |
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inherited |
It returns the size required by a WKB representation for this geometric object.
This is the preferred method for creating a WKB. First of all, it gives you the possibility to use a pre-allocated buffer. So, this method can be used in conjunction with the getWkb method.
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virtualinherited |
It returns a geometric object that represents the point set intersection with another geometry.
std::exception | It will throw an exception if the operation could not be performed. |
Referenced by te::rst::LineIterator< T >::LineIterator(), and te::rst::PolygonIterator< T >::setNextLine().
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virtualinherited |
It returns true if the geometry object spatially intersects rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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inherited |
It returns true if this geometric object has z coordinate values.
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virtualinherited |
It returns true if this geometric object is the empty Geometry.
If true, then this geometric object represents the empty point set for the coordinate space.
std::exception | It will throw an exception if the operation could not be performed. |
Referenced by te::rst::PolygonIterator< T >::setNextLine().
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staticinherited |
It tells if the given string is a geometry data type.
stype | The geometry type to be checked. |
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inherited |
It returns true if this geometric object has m coordinate values.
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virtualinherited |
It returns true if this geometric object has no anomalous points, such as self intersection or self tangency.
See the ISO and OGC documentation for an explanation about specific conditions of each type of geometry to be considered not simple.
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It tells if the geometry is well formed.
std::exception | It will throw an exception if the operation could not be performed. |
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staticinherited |
It loads the internal MAP of geometry type names to geometry type ids.
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inlinevirtualinherited |
It returns a derived GeometryCollection value according to the specified coordinate value.
mValue | The coordinate value. |
Exception | It will throw an exception if the operation could not be performed. |
Definition at line 611 of file Geometry.h.
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virtualinherited |
It returns a derived geometry collection value according to the range of coordinate values inclusively.
mStart | The initial coordinate value. |
mEnd | The final coordinate value. |
Exception | It will throw an exception if the operation could not be performed. |
Reimplemented in te::gm::LineString, te::gm::CircularString, te::gm::CompoundCurve, te::gm::MultiPoint, te::gm::PointM, te::gm::PointZM, and te::gm::MultiLineString.
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virtual |
Assignment operator.
rhs | The other geometry. |
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virtualinherited |
It returns true if this geometry object spatially overlaps rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if this geometry object is spatially related to rhs geometry according to the pattern expressed by the intersection matrix.
It does this by testing for intersections between the interior, boundary and exterior of the two geometric objects as specified by the values in the matrix.
rhs | The other geometry to be compared. |
matrix | The intersection matrix. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns the spatial relation between this geometry object and the rhs geometry.
rhs | The another geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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inherited |
It removes the n-th geometry in this geometry collection.
i | The index of the geometry element we want to remove. |
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inherited |
It sets the n-th geometry in this geometry collection.
GeometryCollection will take the ownership of the informed geometry. If there is a geometry in the given position it will be released before stting the new one.
i | The index of the given geometry element. |
g | The geometry that will be placed on the position indicated by index. |
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inherited |
It sets the number of geometries in this GeometryCollection.
size | The new number of geometries for the GeometryCollection. |
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virtualinherited |
It sets the Spatial Reference System ID of the geometry collection and all its parts.
srid | The Spatial Reference System ID to be associated to the geometric object. |
Implements te::gm::Geometry.
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virtualinherited |
It returns a geometric object that represents the point set symetric difference with another geometry.
rhs | The other geometry whose symetric difference with this geometry will be calculated. |
std::exception | It will throw an exception if the operation could not be performed. |
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inlinevirtualinherited |
It returns the data value in a WKT representation.
Implements te::dt::AbstractData.
Definition at line 858 of file Geometry.h.
Referenced by te::rst::PolygonIterator< T >::decompose().
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virtualinherited |
It returns true if the geometry object spatially touches rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It will transform the coordinates of the geometry collection to the new one.
After calling this method the geometry collection will be associated to the new SRID.
srid | The new Spatial Reference System ID used to transform the coordinates of the geometry collection. |
Exception | It will throw an exception if it can not do the transformation. |
Implements te::gm::Geometry.
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virtualinherited |
It returns a geometric object that represents the point set union with another geometry.
rhs | Another geometry whose union with this geometry will be calculated. |
std::exception | It will throw an exception if the operation could not be performed. |
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virtualinherited |
It returns true if the geometry object is spatially within rhs geometry.
rhs | The other geometry to be compared. |
std::exception | It will throw an exception if the operation could not be performed. |
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protectedinherited |
The array of geometries that forms the collection.
Definition at line 321 of file GeometryCollection.h.
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protectedinherited |
Internal geometry type.
Definition at line 864 of file Geometry.h.
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mutableprotectedinherited |
The geometry minimum bounding rectangle.
Definition at line 866 of file Geometry.h.
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protectedinherited |
The Spatial Reference System code associated to the Geometry.
Definition at line 865 of file Geometry.h.
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staticprotectedinherited |
A set of geometry type names (in UPPER CASE).
Definition at line 868 of file Geometry.h.