Namespace for the Vector Geometry module of TerraLib. More...

Classes
class	AffineGT
	2D Affine Geometric transformation. More...

class	AffineGTFactory
	2D Affine Geometric transformation factory. More...

class	CircularString
	CircularString is a curve with circular interpolation between points. More...

class	CompoundCurve
	CompoundCurve is a curve that may have circular and linear segments. More...

struct	Coord2D
	An utility struct for representing 2D coordinates. More...

class	Curve
	Curve is an abstract class that represents 1-dimensional geometric objects stored as a sequence of coordinates. More...

class	CurvePolygon
	CurvePolygon is a planar surface defined by 1 exterior boundary and 0 or more interior boundaries. More...

struct	DistanceOrderFunctor
	This struct is used sorts a vector of points by distance. More...

class	Envelope
	An Envelope defines a 2D rectangular region. More...

class	FixGeometryTopology
	A static class with methods to fix geometry topology. More...

class	GeometricTransformation
	2D Geometric transformation base class. More...

class	Geometry
	Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards. More...

class	GeometryCollection
	It is a collection of other geometric objects. More...

class	GeometryFactory
	This is the Geometry factory for TerraLib geometries. More...

class	GeometryProperty
	Geometric property. More...

class	GEOSWriter
	A class that converts a TerraLib geometry to a GEOS geometry. More...

class	GTFactory
	2D Geometric transformation factory. More...

class	GTFilter
	2D Geometric transformation tie-points filter (outliers remotion). More...

class	GTModelParameters
	2D Geometric transformation model parameters. More...

class	GTParameters
	2D Geometric transformation parameters. More...

class	Line
	A Line is LineString with 2 points. More...

class	LinearRing
	A LinearRing is a LineString that is both closed and simple. More...

class	LineString
	LineString is a curve with linear interpolation between points. More...

class	Module
	This singleton defines the TerraLib Vector Geometry module entry. More...

class	MultiCurve
	MultiCurve is a class that represents a 1-dimensional GeometryCollection whose elements are curves. More...

class	MultiLineString
	MultiLineString is a MultiCurve whose elements are LineStrings. More...

class	MultiPoint
	MultiPoint is a GeometryCollection whose elements are restricted to points. More...

class	MultiPolygon
	MultiPolygon is a MultiSurface whose elements are Polygons. More...

class	MultiSurface
	MultiSurface is a class that represents a 2-dimensional GeometryCollection whose elements are surfaces. More...

class	Point
	A point with x and y coordinate values. More...

class	Polygon
	Polygon is a subclass of CurvePolygon whose rings are defined by linear rings. More...

class	PolyhedralSurface
	PolyhedralSurface is a contiguous collection of polygons, which share common boundary segments. More...

class	ProjectiveGT
	2D Projective Geometric transformation. More...

class	ProjectiveGTFactory
	2D Projective Geometric transformation factory. More...

class	RSTGT
	2D Rotation/scale/translation(rigid body) Geometric transformation. More...

class	RSTGTFactory
	2D RST Geometric transformation factory. More...

class	SecondDegreePolynomialGT
	Second Degree Polynomial Geometric transformation. More...

class	SecondDegreePolynomialGTFactory
	2D Second Degree Polynomial Geometric transformation factory. More...

class	Surface
	Surface is an abstract class that represents a 2-dimensional geometric objects. More...

class	ThirdDegreePolynomialGT
	Third Degree Polynomial Geometric transformation. More...

class	ThirdDegreePolynomialGTFactory
	2D Third Degree Polynomial Geometric transformation factory. More...

class	TIN
	TIN (triangulated irregular network) is a PolyhedralSurface consisting only of Triangle patches. More...

struct	TopologyValidationError
	This struct contains informations about GEOS TopologyValidationError. More...

class	Triangle
	Triangle is a polygon with 3 distinct, non-collinear vertices and no interior boundary. More...

class	Visitor
	A visitor interface for the Geometry hierarchy. More...

class	WKBReader
	A class that deserializes a geometry from a valid WKB. More...

class	WKBSize
	A class that computes the number of bytes necessary to encode a geometry in WKB. More...

class	WKBWriter
	A class that serializes a geometry to the WKB format. More...

class	WKTActions
	A class that implements the Grammar Rules for well known text (WKT) format for Geometry. More...

class	WKTParser

class	WKTReader
	A class that deserializes a Geometry from a valid WKT. More...

class	WKTWriter
	A class that serializes a geometry to the WKT format. More...

Typedefs
typedef boost::shared_ptr< Geometry >	GeometryShrPtr

Enumerations
enum	BufferCapStyle { CapRoundType, CapButtType, CapSquareType }
	Buffer end cap style. More...

enum	Dimensionality { P = 0, L = 1, A = 2 }
	From Wikipedia: "in mathematics, the dimension of an object is an intrinsic property, independent of the space in which the object may happen to be embedded". More...

enum	GeomType { GeometryType = 0, GeometryZType = 1000, GeometryMType = 2000, GeometryZMType = 3000, PointType = 1, PointZType = 1001, PointMType = 2001, PointZMType = 3001, PointKdType = 0xFFFFFFFD, LineStringType = 2, LineStringZType = 1002, LineStringMType = 2002, LineStringZMType = 3002, CircularStringType = 8, CircularStringZType = 1008, CircularStringMType = 2008, CircularStringZMType = 3008, CompoundCurveType = 9, CompoundCurveZType = 1009, CompoundCurveMType = 2009, CompoundCurveZMType = 3009, PolygonType = 3, PolygonZType = 1003, PolygonMType = 2003, PolygonZMType = 3003, CurvePolygonType = 10, CurvePolygonZType = 1010, CurvePolygonMType = 2010, CurvePolygonZMType = 3010, GeometryCollectionType = 7, GeometryCollectionZType = 1007, GeometryCollectionMType = 2007, GeometryCollectionZMType = 3007, MultiPointType = 4, MultiPointZType = 1004, MultiPointMType = 2004, MultiPointZMType = 3004, MultiLineStringType = 5, MultiLineStringZType = 1005, MultiLineStringMType = 2005, MultiLineStringZMType = 3005, MultiPolygonType = 6, MultiPolygonZType = 1006, MultiPolygonMType = 2006, MultiPolygonZMType = 3006, MultiSurfaceType = 12, MultiSurfaceZType = 1012, MultiSurfaceMType = 2012, MultiSurfaceZMType = 3012, PolyhedralSurfaceType = 15, PolyhedralSurfaceZType = 1015, PolyhedralSurfaceMType = 2015, PolyhedralSurfaceZMType = 3015, TINType = 16, TINZType = 1016, TINMType = 2016, TINZMType = 3016, TriangleType = 17, TriangleZType = 1017, TriangleMType = 2017, TriangleZMType = 3017, UnknownGeometryType = 0xFFFFFFFF }
	Each enumerated type is compatible with a Well-known Binary (WKB) type code. More...

enum	SpatialRelation { UNKNOWN_SPATIAL_RELATION = 0, INTERSECTS = 1, DISJOINT = 2, TOUCHES = 4, OVERLAPS = 8, CROSSES = 16, WITHIN = 32, CONTAINS = 64, COVERS = 128, COVEREDBY = 256, EQUALS = 512 }
	Spatial relations between geometric objects. More...

Functions
TEGEOMEXPORT LineString *	AddIntersectionPoints (const te::sam::rtree::Index< std::size_t, 8 > &rtree, const std::vector< te::gm::LineString > &candidateSegments, const std::set< std::size_t > &setIndexesIgnored, const te::gm::LineString &lr_Reference, const bool &usePerpendicularDistance=false)
	Add intersection points in a LinearRing based on a Vector of LineString as reference. More...

TEGEOMEXPORT void	AddLineString (te::gm::LineString lineString, std::vector< te::gm::Geometry > &pAdd)
	Add the linestring given to the vector. More...

TEGEOMEXPORT void	AddPolygon (te::gm::Polygon polygon, std::vector< te::gm::Geometry > &pAdd)
	Add all line strings from the polygon given to the vector given. More...

TEGEOMEXPORT bool	AdjustSegment (te::gm::Point P0, te::gm::Point P1, double d0, te::gm::Coord2D &P0out, te::gm::Coord2D &P1out)

TEGEOMEXPORT Envelope	AdjustToCut (const Envelope &env, double bWidth, double bHeight)
	Finds the correspondent smallest box that allows a box to be cut in blocks of a given size. More...

TEGEOMEXPORT te::gm::Geometry *	CascadedPolygonUnion (const std::vector< te::gm::Polygon *> &polygonVector)
	Provides an efficient method of unioning a collection of Polygonal geometries. This algorithm is faster and likely more robust than the simple iterated approach of repeatedly unioning each polygon to a result geometry. More...

TEGEOMEXPORT bool	CheckValidity (const Geometry *geom, te::gm::TopologyValidationError &error)
	It check geometry validity using GEOS. More...

TEGEOMEXPORT void	ClosestPoints (te::gm::Geometry geomA, te::gm::Geometry geomB, te::gm::Coord2D &coordA, te::gm::Coord2D &coordB)
	Compute the the closest points of two geometries. More...

TEGEOMEXPORT te::gm::Envelope	CreateEnvelope (double x1, double y1, double x2, double y2)
	Creates an envelope that fits the given coordinates. It makes all the adjustments needed to return a valid envelope. More...

TEGEOMEXPORT te::gm::Envelope	CreateEnvelope (const te::gm::Point &p1, const te::gm::Point &p2)
	Creates an envelope that fits the given coordinates. It makes all the adjustments needed to return a valid envelope. More...

TEGEOMEXPORT te::gm::LineString	CreateLine (const te::gm::Coord2D &startCoord, const te::gm::Coord2D &endCoord, const int &srid, const int &numberOfIntermediateCoords)
	Creates a LineString between the given startCoord and endCoord with the given number of intermediate coordinates. More...

TEGEOMEXPORT te::gm::Polygon	CreatePolygon (const te::gm::Envelope &box, const int &srid, const int &numberOfIntermediateCoords)
	Creates a Polygon from the given envelope and with the given number of intermediate coordinates in each of its four borders lines. More...

TEGEOMEXPORT double	GetAngle (te::gm::Coord2D coordA, te::gm::Coord2D coordB)

TEGEOMEXPORT std::vector< MultiLineString * >	GetAsMultiLineStringVector (const te::gm::Geometry &geometry)
	Get the vector of MultLineStrings that compose the Geometry. More...

int	GetCoordDimension (GeomType t)
	It returns the number of measurements or axes needed to describe a position in a coordinate system. More...

TEGEOMEXPORT std::unique_ptr< te::gm::Geometry >	GetGeometryUnion (const std::vector< te::gm::Geometry *> &geomVec)
	It returns the union of a geometry vector. More...

TEGEOMEXPORT Geometry *	GetGeomFromEnvelope (const Envelope *const e, int srid)
	It creates a Geometry (a polygon) from the given envelope. More...

TEGEOMEXPORT te::gm::Line *	GetIntersectionLine (te::gm::Geometry *geom, te::gm::Coord2D coord)

TEGEOMEXPORT std::vector< te::gm::Point >	GetIntersectionPointsByOperators (const te::gm::LineString &lsReference, const std::vector< te::gm::LineString > &candidates)
	Gets a vector of LineString reference points including intersection points using GEOS operators. More...

TEGEOMEXPORT std::vector< te::gm::Point >	GetIntersectionPointsByPerpendicularDistance (const te::gm::LineString &lsReference, const std::vector< te::gm::LineString > &candidates)
	Gets a vector of LineString reference points including intersection points using perpendicular distance. More...

TEGEOMEXPORT te::gm::GeomType	GetMultiLineStringType (const te::gm::Geometry &geometry)
	Get the LineStrings that compose the Geometry. More...

TEGEOMEXPORT te::gm::GeomType	GetMultiType (te::gm::GeomType geomType)
	Get the collection type of GeomType. More...

TEGEOMEXPORT te::gm::GeomType	GetSimpleType (te::gm::GeomType geomType)
	Get the simple type of GeomType. More...

template<class T1 , class T2 >
bool	Intersects (const T1 &o1, const T2 &o2)

template<>
TEGEOMEXPORT bool	Intersects (const te::gm::Point &point, const te::gm::Envelope &e)

TEGEOMEXPORT bool	IsEqual (const te::gm::Point &p1, const te::gm::Point &p2)
	Checks if a point p1 is exactly equal to the point p2. More...

TEGEOMEXPORT bool	IsEqual (const te::gm::Point &p1, const te::gm::Point &p2, double tol)
	Checks if a point p1 is equal to the point p2 considering the given tolerance. More...

TEGEOMEXPORT bool	IsMultiType (te::gm::GeomType geomType)
	Verifies if the geomType is a collection type. More...

TEGEOMEXPORT Coord2D *	locateAlong (const LineString *line, double initial, double final, double target)
	Make the line interpolation to find a target. More...

TEGEOMEXPORT void	Multi2Single (const te::gm::Geometry g, std::vector< te::gm::Geometry > &geoms)
	It will get a GeometryCollection and distribute in a vector. More...

TEGEOMEXPORT te::gm::Geometry *	MultiLineToDefinedType (const std::vector< te::gm::MultiLineString *> &multiLineStringVector, te::gm::GeomType geometryType)
	A geometry is built based on a Vector of MultiLineString and the origin geometry type. More...

TEGEOMEXPORT double	PerpendicularDistance (const te::gm::Point &first, const te::gm::Point &last, te::gm::Point &pin, Point &pinter)
	Calculate the perpendicular distance of a point in a segment. More...

TEGEOMEXPORT void	Polygonizer (te::gm::Geometry g, std::vector< te::gm::Polygon > &pols)
	It will get a list of polygons formed by the polygonization. More...

TEGEOMEXPORT te::gm::Geometry *	PrepareGeometriesToIntersection (const te::gm::Geometry geom_A, te::gm::Geometry geomB, bool &wasChanged)
	Prepares the geometry A with intersection points in geometry B. More...

TEGEOMEXPORT te::gm::Geometry *	PrepareGeometriesToIntersection (const te::gm::Geometry geom_A, const std::vector< te::gm::Geometry > &vecGeomB, bool &wasChanged)
	Prepares the geometry A with intersection points in geometry B. More...

TEGEOMEXPORT te::gm::MultiLineString *	PrepareGeometriesToIntersection (const te::gm::MultiLineString &mline_A, const te::sam::rtree::Index< std::size_t, 8 > &rtree, std::vector< te::gm::LineString > &vecRtreeSegments, bool &wasChanged)
	Prepares the MultiLineString A with intersection points in MultiLineString B. More...

TEGEOMEXPORT te::gm::LineString *	PrepareGeometriesToIntersection (const te::gm::LineString &ls_A, const te::sam::rtree::Index< std::size_t, 8 > &rtree, std::vector< te::gm::LineString > &vecRtreeSegments, bool &wasChanged)
	Prepares the LineString A with intersection points in LineString B. More...

TEGEOMEXPORT bool	Rotate (te::gm::Coord2D pr, te::gm::LineString l, double angle, te::gm::LineString lOut)

TEGEOMEXPORT bool	SatisfySpatialRelation (const Geometry g1, const Geometry g2, SpatialRelation relation)
	It returns if two geometries satisfy a given spatial relation. More...

TEGEOMEXPORT LineString *	SnapLineToPoints (const te::sam::rtree::Index< std::size_t, 8 > &rtree, const std::vector< te::gm::LineString > &referenceSegments, const std::set< std::size_t > &setIndexesIgnored, const te::gm::LineString &linearRingToSnap, bool &wasChanged)
	Snaps a LinearRing based on a set of LineString. More...

TEGEOMEXPORT te::gm::Geometry *	UnaryUnion (te::gm::Geometry *geom)
	It will get the union of the input geometries. More...

TEGEOMEXPORT te::gm::Geometry *	Validate (te::gm::Geometry *geom)
	Get/create a valid version of the geometry given. If the geometry is a polygon or multi polygon, self intersections / inconsistencies are fixed. Otherwise the geometry is returned. More...

Geometry Methods
Methods related to Geometry conversion.
te::dt::AbstractData *	GeometryToByteArrayConverter (te::dt::AbstractData *d) throw (Exception)
	It converts a Geometry data value to a ByteArray data value. More...

te::dt::AbstractData *	GeometryToStringConverter (te::dt::AbstractData *d) throw (Exception)
	It converts a Geometry data value to a String data value. More...

te::dt::AbstractData *	ByteArrayToGeometryConverter (te::dt::AbstractData *d)
	It converts a ByteArray data value to a Geometry data value. More...

te::dt::AbstractData *	StringToGeometryConverter (te::dt::AbstractData *d)
	It converts a String data value to a Geometry data value. More...

Detailed Description

Namespace for the Vector Geometry module of TerraLib.

Typedef Documentation

◆ GeometryShrPtr

typedef boost::shared_ptr<Geometry> te::gm::GeometryShrPtr

Definition at line 950 of file Geometry.h.

Enumeration Type Documentation

◆ BufferCapStyle

enum te::gm::BufferCapStyle

Buffer end cap style.

The end cap style specifies the buffer geometry that will be created at the ends of LineStrings.

Enumerator
CapRoundType	A semi-circle (default).
CapButtType	A straight line perpendicular to the end segment
CapSquareType	A half-square

Definition at line 162 of file Enums.h.

◆ Dimensionality

enum te::gm::Dimensionality

From Wikipedia: "in mathematics, the dimension of an object is an intrinsic property, independent of the space in which the object may happen to be embedded".

Enumerator
P	Points are 0-dimensional.
L	Lines are 1-dimensional.
A	Polygons are 2-dimenional.

Definition at line 147 of file Enums.h.

◆ GeomType

enum te::gm::GeomType

Each enumerated type is compatible with a Well-known Binary (WKB) type code.

These are all WKB geometry types that TerraLib knows how to encode or decode. The values follows OGC Simple Feature Specification (SFS).

Enumerator
GeometryType	Geometry is not instantiable but this is the general type for geometries in R2 (x, y).
GeometryZType	Geometry is not instantiable but this is the general type for geometries in R3 (x, y, z).
GeometryMType	Geometry is not instantiable but this is the general type for geometries in R3 (x, y, m).
GeometryZMType	Geometry is not instantiable but this is the general type for geometries in R4 (x, y, z, m).
PointType	A point in R2 with coordinate values for x and y.
PointZType	A point in R3 with coordinate values for x, y and z.
PointMType	A point in R3 with coordinate values for x, y and m.
PointZMType	A point in R4 with coordinate values for x, y, z and m.
PointKdType	A point in Rn with k coordinate values.
LineStringType	A LineString in R2 with coordinate values for x and y.
LineStringZType	A LineString in R3 with coordinate values for x, y and z.
LineStringMType	A LineString in R3 with coordinate values for x, y and m.
LineStringZMType	A LineString in R4 with coordinate values for x, y, z and m.
CircularStringType	A CircularString in R2 with coordinate values for x and y.
CircularStringZType	A CircularString in R3 with coordinate values for x, y and z.
CircularStringMType	A CircularString in R3 with coordinate values for x, y and m.
CircularStringZMType	A CircularString in R4 with coordinate values for x, y, z and m.
CompoundCurveType	A CompoundCurve in R2 with coordinate values for x and y.
CompoundCurveZType	A CompoundCurve in R3 with coordinate values for x, y and z.
CompoundCurveMType	A CompoundCurve in R3 with coordinate values for x, y and m.
CompoundCurveZMType	A CompoundCurve in R4 with coordinate values for x, y, z and m.
PolygonType	A Polygon in R2 with coordinate values for x and y.
PolygonZType	A Polygon in R3 with coordinate values for x, y and z.
PolygonMType	A Polygon in R3 with coordinate values for x, y and m.
PolygonZMType	A Polygon in R4 with coordinate values for x, y, z and m.
CurvePolygonType	A CurvePolygon in R2 with coordinate values for x and y.
CurvePolygonZType	A CurvePolygon in R3 with coordinate values for x, y and z.
CurvePolygonMType	A CurvePolygon in R3 with coordinate values for x, y and m.
CurvePolygonZMType	A CurvePolygon in R4 with coordinate values for x, y, z and m.
GeometryCollectionType	A GeometryCollection in R2 with coordinate values for x and y.
GeometryCollectionZType	A GeometryCollection in R3 with coordinate values for x, y and z.
GeometryCollectionMType	A GeometryCollection in R3 with coordinate values for x, y and m.
GeometryCollectionZMType	A GeometryCollection in R4 with coordinate values for x, y, z and m.
MultiPointType	A MultiPoint in R2 with coordinate values for x and y.
MultiPointZType	A MultiPoint in R3 with coordinate values for x, y and z.
MultiPointMType	A MultiPoint in R3 with coordinate values for x, y and m.
MultiPointZMType	A MultiPoint in R4 with coordinate values for x, y, z and m.
MultiLineStringType	A MultiLineString in R2 with coordinate values for x and y.
MultiLineStringZType	A MultiLineString in R3 with coordinate values for x, y and z.
MultiLineStringMType	A MultiLineString in R3 with coordinate values for x, y and m.
MultiLineStringZMType	A MultiLineString in R4 with coordinate values for x, y, z and m.
MultiPolygonType	A MultiPolygon in R2 with coordinate values for x and y.
MultiPolygonZType	A MultiPolygon in R3 with coordinate values for x, y and z.
MultiPolygonMType	A MultiPolygon in R3 with coordinate values for x, y and m.
MultiPolygonZMType	A MultiPolygon in R4 with coordinate values for x, y, z and m.
MultiSurfaceType	A MultiSurface in R2 with coordinate values for x and y.
MultiSurfaceZType	A MultiSurface in R3 with coordinate values for x, y and z.
MultiSurfaceMType	A MultiSurface in R3 with coordinate values for x, y and m.
MultiSurfaceZMType	A MultiSurface in R4 with coordinate values for x, y, z and m.
PolyhedralSurfaceType	A PolyhedralSurface in R2 with coordinate values for x and y.
PolyhedralSurfaceZType	A PolyhedralSurface in R3 with coordinate values for x, y and z.
PolyhedralSurfaceMType	A PolyhedralSurface in R3 with coordinate values for x, y and m.
PolyhedralSurfaceZMType	A PolyhedralSurface in R4 with coordinate values for x, y, z and m.
TINType	A TIN in R2 with coordinate values for x and y.
TINZType	A TIN in R3 with coordinate values for x, y and z.
TINMType	A TIN in R3 with coordinate values for x, y and m.
TINZMType	A TIN in R4 with coordinate values for x, y, z and m.
TriangleType	A Triangle in R2 with coordinate values for x and y.
TriangleZType	A Triangle in R3 with coordinate values for x, y and z.
TriangleMType	A Triangle in R3 with coordinate values for x, y and m.
TriangleZMType	A Triangle in R4 with coordinate values for x, y, z and m.
UnknownGeometryType	Just a marker for an unknown geometry type.

Definition at line 41 of file Enums.h.

◆ SpatialRelation

enum te::gm::SpatialRelation

Spatial relations between geometric objects.

Enumerator
UNKNOWN_SPATIAL_RELATION
INTERSECTS
DISJOINT
TOUCHES
OVERLAPS
CROSSES
WITHIN
CONTAINS
COVERS
COVEREDBY
EQUALS

Definition at line 127 of file Enums.h.

Function Documentation

◆ AddIntersectionPoints()

TEGEOMEXPORT LineString* te::gm::AddIntersectionPoints	(	const te::sam::rtree::Index< std::size_t, 8 > &	rtree,
		const std::vector< te::gm::LineString > &	candidateSegments,
		const std::set< std::size_t > &	setIndexesIgnored,
		const te::gm::LineString &	lr_Reference,
		const bool &	usePerpendicularDistance = `false`
	)

Add intersection points in a LinearRing based on a Vector of LineString as reference.

Parameters

rtree	The R-tree contains the candidates envelopes as reference to snap.
candidateSegments	A vector of LineString that is used as reference to snap.
setIndexesIgnored	A set of indexes of candidates that had must be ignored in the processing. This set is used for optimization purposes
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare
lr_Reference	A LinearRing that will be added new points of intersection.
usePerpendicularDistance	True if the new points are added by perpendicular distance algorithm.

Returns

◆ AddLineString()

TEGEOMEXPORT void te::gm::AddLineString	(	te::gm::LineString *	lineString,
		std::vector< te::gm::Geometry *> &	pAdd
	)

Add the linestring given to the vector.

Parameters

linestring	line string
pAdd	A reference to a vector of geometries.

◆ AddPolygon()

TEGEOMEXPORT void te::gm::AddPolygon	(	te::gm::Polygon *	polygon,
		std::vector< te::gm::Geometry *> &	pAdd
	)

Add all line strings from the polygon given to the vector given.

Parameters

polygon	polygon from which to extract line strings
pAdd	A reference to a vector of geometries.

◆ AdjustSegment()

TEGEOMEXPORT bool te::gm::AdjustSegment	(	te::gm::Point *	P0,
		te::gm::Point *	P1,
		double	d0,
		te::gm::Coord2D &	P0out,
		te::gm::Coord2D &	P1out
	)

◆ AdjustToCut()

TEGEOMEXPORT Envelope te::gm::AdjustToCut	(	const Envelope &	env,
		double	bWidth,
		double	bHeight
	)

Finds the correspondent smallest box that allows a box to be cut in blocks of a given size.

Parameters

env	Reference envelope
bWidth	Block width
bHeight	Block height

Returns: It returns a adjusted envelope

◆ ByteArrayToGeometryConverter()

te::dt::AbstractData* te::gm::ByteArrayToGeometryConverter ( te::dt::AbstractData * d )

It converts a ByteArray data value to a Geometry data value.

Parameters

d	The input data value.

Returns: A new data value converted to Geometry type. The caller will take the ownership of the returned data.

Note: This method consider that the ByteArray data value contains a geometry encoded using WKB format.

Exceptions

It	throws an exception if the input abstract data is not a ByteArray type.
It	throws an exception if the conversion can be not done.

◆ CascadedPolygonUnion()

TEGEOMEXPORT te::gm::Geometry* te::gm::CascadedPolygonUnion ( const std::vector< te::gm::Polygon *> & polygonVector )

Provides an efficient method of unioning a collection of Polygonal geometries. This algorithm is faster and likely more robust than the simple iterated approach of repeatedly unioning each polygon to a result geometry.

Parameters

polygonVector A vector of polygons.

Returns: a Geometry containing the union.

◆ CheckValidity()

TEGEOMEXPORT bool te::gm::CheckValidity	(	const Geometry *	geom,
		te::gm::TopologyValidationError &	error
	)

It check geometry validity using GEOS.

Parameters

geom	Geometry that will be verified.
error	TopologyValidationError struct.

Returns: True if geometry is valid.

◆ ClosestPoints()

TEGEOMEXPORT void te::gm::ClosestPoints	(	te::gm::Geometry *	geomA,
		te::gm::Geometry *	geomB,
		te::gm::Coord2D &	coordA,
		te::gm::Coord2D &	coordB
	)

Compute the the closest points of two geometries.

Parameters

geomA	Input Geometry A.
geomB	Input Geometry B.
coordA	Output coord on Geometry A.
coordB	Output coord on Geometry B.

◆ CreateEnvelope() [1/2]

TEGEOMEXPORT te::gm::Envelope te::gm::CreateEnvelope	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Creates an envelope that fits the given coordinates. It makes all the adjustments needed to return a valid envelope.

Parameters

x1	The coordinate X of the first point
y1	The coordinate Y of the first point
x2	The coordinate X of the second point
y2	The coordinate Y of the second point

Returns: A valid envelope containing the two given points

◆ CreateEnvelope() [2/2]

TEGEOMEXPORT te::gm::Envelope te::gm::CreateEnvelope	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2
	)

Creates an envelope that fits the given coordinates. It makes all the adjustments needed to return a valid envelope.

Parameters

p1	The first point
p2	The second point

Returns: A valid envelope containing the two given points

◆ CreateLine()

TEGEOMEXPORT te::gm::LineString te::gm::CreateLine	(	const te::gm::Coord2D &	startCoord,
		const te::gm::Coord2D &	endCoord,
		const int &	srid,
		const int &	numberOfIntermediateCoords
	)

Creates a LineString between the given startCoord and endCoord with the given number of intermediate coordinates.

Parameters

startCoord	The first coordinate of the line
endCoord	The last coordinate of the line
srid	The srid of the line
numberOfIntermediateCoords	The number of intermediate coordinates of the line

Returns: A LineString between startCoord and endCoord with the given number of intermediate coordinates

◆ CreatePolygon()

TEGEOMEXPORT te::gm::Polygon te::gm::CreatePolygon	(	const te::gm::Envelope &	box,
		const int &	srid,
		const int &	numberOfIntermediateCoords
	)

Creates a Polygon from the given envelope and with the given number of intermediate coordinates in each of its four borders lines.

Parameters

box	The envelope from which the polygon will be created
srid	The srid of the polygon
numberOfIntermediateCoords	The number of intermediate coordinates of each border line

Returns: A LineString between startCoord and endCoord with the given number of intermediate coordinates in each border line

◆ GeometryToByteArrayConverter()

te::dt::AbstractData* te::gm::GeometryToByteArrayConverter	(	te::dt::AbstractData *	d	)
throw	(	Exception
	)

It converts a Geometry data value to a ByteArray data value.

Parameters

d	The input data value.

Returns: A new data value converted to ByteArray type. The caller will take the ownership of the returned data.

Note: The ByteArray data value will contains the Geometry encoded using WKB format.

Exceptions

It	throws an exception if the input abstract data is not a Geometry type.

◆ GeometryToStringConverter()

te::dt::AbstractData* te::gm::GeometryToStringConverter	(	te::dt::AbstractData *	d	)
throw	(	Exception
	)

It converts a Geometry data value to a String data value.

Parameters

d	The input data value.

Returns: A new data value converted to String type. The caller will take the ownership of the returned data.

Note: The String data value will contains the Geometry encoded using WKT format.

Exceptions

It	throws an exception if the input abstract data is not a Geometry type.

◆ GetAngle()

TEGEOMEXPORT double te::gm::GetAngle	(	te::gm::Coord2D	coordA,
		te::gm::Coord2D	coordB
	)

◆ GetAsMultiLineStringVector()

TEGEOMEXPORT std::vector<MultiLineString *> te::gm::GetAsMultiLineStringVector ( const te::gm::Geometry & geometry )

Get the vector of MultLineStrings that compose the Geometry.

Parameters

geometry Used to get lineStrings.

return A vector of MultiLineString based on geometry parameter.

◆ GetCoordDimension()

int te::gm::GetCoordDimension ( GeomType t )

inline

It returns the number of measurements or axes needed to describe a position in a coordinate system.

It returns:

2 for a coordinate with x, y;
3 for a coordinate with x, y and z or x, y and m;
4 for a coordinate with x, y, z and m.

Parameters

t	The geomeytric type.

Returns: The number of measurements or axes needed to describe a position in a coordinate system.

Definition at line 104 of file Utils.h.

◆ GetGeometryUnion()

TEGEOMEXPORT std::unique_ptr<te::gm::Geometry> te::gm::GetGeometryUnion ( const std::vector< te::gm::Geometry *> & geomVec )

It returns the union of a geometry vector.

Parameters

items Vector of itens that represents a group.

Returns: Union of the geometry.

◆ GetGeomFromEnvelope()

TEGEOMEXPORT Geometry* te::gm::GetGeomFromEnvelope	(	const Envelope *const	e,
		int	srid
	)

It creates a Geometry (a polygon) from the given envelope.

Parameters

e	The envelope to extract the coordinates. Don't call with a NULL envelope.
srid	The Spatial Reference System ID to be associated to the polygon.

Returns: A polygon (in counter-clock-wise) with rectangle coordinates: [(MINX, MINY), (MAXX, MINY), (MAXX, MAXY), (MINX, MAXY), (MINX, MINY)].

Note: The caller of this method will take the ownership of the returned geometry.

Referenced by te::rst::LineIterator< T >::LineIterator(), and te::rst::PointSetIterator< T >::PointSetIterator().

◆ GetIntersectionLine()

TEGEOMEXPORT te::gm::Line* te::gm::GetIntersectionLine	(	te::gm::Geometry *	geom,
		te::gm::Coord2D	coord
	)

◆ GetIntersectionPointsByOperators()

TEGEOMEXPORT std::vector<te::gm::Point> te::gm::GetIntersectionPointsByOperators	(	const te::gm::LineString &	lsReference,
		const std::vector< te::gm::LineString > &	candidates
	)

Gets a vector of LineString reference points including intersection points using GEOS operators.

Parameters

lsReference	LineString used as reference.
candidates	A Vector of LineString used to intersects the lsReference.

Returns: A vector of LineString reference points including intersection points using GEOS operators.

◆ GetIntersectionPointsByPerpendicularDistance()

TEGEOMEXPORT std::vector<te::gm::Point> te::gm::GetIntersectionPointsByPerpendicularDistance	(	const te::gm::LineString &	lsReference,
		const std::vector< te::gm::LineString > &	candidates
	)

Gets a vector of LineString reference points including intersection points using perpendicular distance.

Parameters

lsReference	LineString used as reference.
candidates	A Vector of LineString used to intersects the lsReference.

Returns: A vector of LineString reference points including intersection points using perpendicular distance.

◆ GetMultiLineStringType()

TEGEOMEXPORT te::gm::GeomType te::gm::GetMultiLineStringType ( const te::gm::Geometry & geometry )

Get the LineStrings that compose the Geometry.

Parameters

geometry Used to get lineStrings.

return A LineString based on parameter geometry.

◆ GetMultiType()

TEGEOMEXPORT te::gm::GeomType te::gm::GetMultiType ( te::gm::GeomType geomType )

Get the collection type of GeomType.

Parameters

geomType enum te::gm::GeomType.

return A collection type of GeomType.

◆ GetSimpleType()

TEGEOMEXPORT te::gm::GeomType te::gm::GetSimpleType ( te::gm::GeomType geomType )

Get the simple type of GeomType.

Parameters

geomType enum te::gm::GeomType.

return A simple type of GeomType.

◆ Intersects() [1/2]

template<class T1 , class T2 >

bool te::gm::Intersects	(	const T1 &	o1,
		const T2 &	o2
	)

Referenced by te::sam::kdtree::AdaptativeIndex< KdTreeNode >::search().

◆ Intersects() [2/2]

template<>

TEGEOMEXPORT bool te::gm::Intersects	(	const te::gm::Point &	point,
		const te::gm::Envelope &	e
	)

◆ IsEqual() [1/2]

TEGEOMEXPORT bool te::gm::IsEqual	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2
	)

Checks if a point p1 is exactly equal to the point p2.

Parameters

p1	The first point
p2	The second point

Returns: TRUE if the points are equal. FALSE otherwise

◆ IsEqual() [2/2]

TEGEOMEXPORT bool te::gm::IsEqual	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2,
		double	tol
	)

Checks if a point p1 is equal to the point p2 considering the given tolerance.

Parameters

p1	The first point
p2	The second point
tol	The tolerance to be used

Returns: TRUE if the points are equal. FALSE otherwise

◆ IsMultiType()

TEGEOMEXPORT bool te::gm::IsMultiType ( te::gm::GeomType geomType )

Verifies if the geomType is a collection type.

Parameters

geomType enum te::gm::GeomType.

return True if the geomType is a collection type.

◆ locateAlong()

TEGEOMEXPORT Coord2D* te::gm::locateAlong	(	const LineString *	line,
		double	initial,
		double	final,
		double	target
	)

Make the line interpolation to find a target.

Parameters

line	LineString to make the interpolation
initial	Initial value
final	Final value
target	Target value

Returns: It returns a target Coord2D in the line.

◆ Multi2Single()

TEGEOMEXPORT void te::gm::Multi2Single	(	const te::gm::Geometry *	g,
		std::vector< te::gm::Geometry *> &	geoms
	)

It will get a GeometryCollection and distribute in a vector.

Parameters

g	Input GeometryCollection.
geoms	Output Geometry Vector.

Note: If the geomSource is not a te::gm::GeometryCollectionType it will return vector with the input geometry.

Referenced by te::rst::PolygonIterator< T >::getScanLineIntersectionRanges().

◆ MultiLineToDefinedType()

TEGEOMEXPORT te::gm::Geometry* te::gm::MultiLineToDefinedType	(	const std::vector< te::gm::MultiLineString *> &	multiLineStringVector,
		te::gm::GeomType	geometryType
	)

A geometry is built based on a Vector of MultiLineString and the origin geometry type.

Parameters

multiLineStringVector A vector of multiLineString that have all lines of a Geometry.

return A geometry built based on a Vector of MultiLineString and the origin geometry type.

◆ PerpendicularDistance()

TEGEOMEXPORT double te::gm::PerpendicularDistance	(	const te::gm::Point &	first,
		const te::gm::Point &	last,
		te::gm::Point &	pin,
		Point &	pinter
	)

Calculate the perpendicular distance of a point in a segment.

Parameters

first	The first segment point.
last	The last segment point.
pin	The point to be calculated.
pinter	A intern point calculated based on pin projected intersection with the segment.

Returns: The perpendicular distance.

◆ Polygonizer()

TEGEOMEXPORT void te::gm::Polygonizer	(	te::gm::Geometry *	g,
		std::vector< te::gm::Polygon *> &	pols
	)

It will get a list of polygons formed by the polygonization.

Parameters

g	Input Polygon.
pols	Output Polygon Vector.

◆ PrepareGeometriesToIntersection() [1/4]

TEGEOMEXPORT te::gm::Geometry* te::gm::PrepareGeometriesToIntersection	(	const te::gm::Geometry *	geom_A,
		te::gm::Geometry *	geomB,
		bool &	wasChanged
	)

Prepares the geometry A with intersection points in geometry B.

Parameters

geom_A	Geometry used to be inserted new points of intersection.
geomB	The geometry to be used to intersect with Geometry B.
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare

Returns: A new geometry based on geometry A with intersection points in geometry B.

◆ PrepareGeometriesToIntersection() [2/4]

TEGEOMEXPORT te::gm::Geometry* te::gm::PrepareGeometriesToIntersection	(	const te::gm::Geometry *	geom_A,
		const std::vector< te::gm::Geometry *> &	vecGeomB,
		bool &	wasChanged
	)

Prepares the geometry A with intersection points in geometry B.

Parameters

geom_A	Geometry used to be inserted new points of intersection.
vecGeomB	The list of Geometries used to intersects with Geometry A.
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare

Returns: A new geometry based on geometry A with intersection points in geometry B.

◆ PrepareGeometriesToIntersection() [3/4]

TEGEOMEXPORT te::gm::MultiLineString* te::gm::PrepareGeometriesToIntersection	(	const te::gm::MultiLineString &	mline_A,
		const te::sam::rtree::Index< std::size_t, 8 > &	rtree,
		std::vector< te::gm::LineString > &	vecRtreeSegments,
		bool &	wasChanged
	)

Prepares the MultiLineString A with intersection points in MultiLineString B.

Parameters

mline_A	MultiLineString used to be inserted new points of intersection.
rtree	Rtree indexing all the segments that must be used in the prepare algorithm.
vecRtreeSegments	All the segments indexed in the rtree
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare

Returns: A new MultiLineString based on MultiLineString A with intersection points in MultiLineString B.

◆ PrepareGeometriesToIntersection() [4/4]

TEGEOMEXPORT te::gm::LineString* te::gm::PrepareGeometriesToIntersection	(	const te::gm::LineString &	ls_A,
		const te::sam::rtree::Index< std::size_t, 8 > &	rtree,
		std::vector< te::gm::LineString > &	vecRtreeSegments,
		bool &	wasChanged
	)

Prepares the LineString A with intersection points in LineString B.

Parameters

ls_A	LineString used to be inserted new points of intersection.
rtree	Rtree indexing all the segments that must be used in the prepare algorithm.
vecRtreeSegments	All the segments indexed in the rtree
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare

Returns: A new LineString based on LineString A with intersection points in LineString B.

◆ Rotate()

TEGEOMEXPORT bool te::gm::Rotate	(	te::gm::Coord2D	pr,
		te::gm::LineString *	l,
		double	angle,
		te::gm::LineString *	lOut
	)

◆ SatisfySpatialRelation()

TEGEOMEXPORT bool te::gm::SatisfySpatialRelation	(	const Geometry *	g1,
		const Geometry *	g2,
		SpatialRelation	relation
	)

It returns if two geometries satisfy a given spatial relation.

Parameters

g1	The first geometry
g2	The second geometry
r	A given spatial relation to be tested

Returns: It returns true if the given two geometries satisfy the spatial relation. Otherwise, it returns false.

Exceptions

Exception It throws an exception if the spatial relation is not valid or if the test can not be evaluated.

Referenced by te::rst::LineIterator< T >::LineIterator(), and te::rst::PointSetIterator< T >::PointSetIterator().

◆ SnapLineToPoints()

TEGEOMEXPORT LineString* te::gm::SnapLineToPoints	(	const te::sam::rtree::Index< std::size_t, 8 > &	rtree,
		const std::vector< te::gm::LineString > &	referenceSegments,
		const std::set< std::size_t > &	setIndexesIgnored,
		const te::gm::LineString &	linearRingToSnap,
		bool &	wasChanged
	)

Snaps a LinearRing based on a set of LineString.

Parameters

rtree	The R-tree contains the candidates envelopes as reference to snap.
referenceSegments	A vector of LineString that is used as reference to snap.
setIndexesIgnored	A set of indexes of candidates that had must be ignored in the processing. This set is used for optimization purposes
wasChanged	This is an output value to inform if the geometry has been changed or not during the prepare
linearRingToSnap	A LinearRing that will be snapped.

Returns: A new snapped LinearRing.

◆ StringToGeometryConverter()

te::dt::AbstractData* te::gm::StringToGeometryConverter ( te::dt::AbstractData * d )

It converts a String data value to a Geometry data value.

Parameters

d	The input data value.

Returns: A new data value converted to Geometry type. The caller will take the ownership of the returned data.

Note: This method consider that the String data value contains a geometry encoded using WKT format.

Exceptions

It	throws an exception if the input abstract data is not a String type.
It	throws an exception if the conversion can be not done.

◆ UnaryUnion()

TEGEOMEXPORT te::gm::Geometry* te::gm::UnaryUnion ( te::gm::Geometry * geom )

It will get the union of the input geometries.

Parameters

geom	Input Geometry.

Returns: a Geometry containing the union.

Note: If no input geometries were provided, an EMPTY POINTER is returned.

◆ Validate()

TEGEOMEXPORT te::gm::Geometry* te::gm::Validate ( te::gm::Geometry * geom )

Get/create a valid version of the geometry given. If the geometry is a polygon or multi polygon, self intersections / inconsistencies are fixed. Otherwise the geometry is returned.

Parameters

geom

Returns: a geometry

Classes

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

◆ GeometryShrPtr

Enumeration Type Documentation

◆ BufferCapStyle

◆ Dimensionality

◆ GeomType

◆ SpatialRelation

Function Documentation

◆ AddIntersectionPoints()

◆ AddLineString()

◆ AddPolygon()

◆ AdjustSegment()

◆ AdjustToCut()

◆ ByteArrayToGeometryConverter()

◆ CascadedPolygonUnion()

◆ CheckValidity()

◆ ClosestPoints()

◆ CreateEnvelope() [1/2]

◆ CreateEnvelope() [2/2]

◆ CreateLine()

◆ CreatePolygon()

◆ GeometryToByteArrayConverter()

◆ GeometryToStringConverter()

◆ GetAngle()

◆ GetAsMultiLineStringVector()

◆ GetCoordDimension()

◆ GetGeometryUnion()

◆ GetGeomFromEnvelope()

◆ GetIntersectionLine()

◆ GetIntersectionPointsByOperators()

◆ GetIntersectionPointsByPerpendicularDistance()

◆ GetMultiLineStringType()

◆ GetMultiType()

◆ GetSimpleType()

◆ Intersects() [1/2]

◆ Intersects() [2/2]

◆ IsEqual() [1/2]

◆ IsEqual() [2/2]

◆ IsMultiType()

◆ locateAlong()

◆ Multi2Single()

◆ MultiLineToDefinedType()

◆ PerpendicularDistance()

◆ Polygonizer()

◆ PrepareGeometriesToIntersection() [1/4]

◆ PrepareGeometriesToIntersection() [2/4]

◆ PrepareGeometriesToIntersection() [3/4]

◆ PrepareGeometriesToIntersection() [4/4]

◆ Rotate()

◆ SatisfySpatialRelation()

◆ SnapLineToPoints()

◆ StringToGeometryConverter()

◆ UnaryUnion()

◆ Validate()