Spatial data.
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Inheritance diagram for Geo::OGR::Geometry:

Collaboration diagram for Geo::OGR::Geometry:

Public Member Functions
public method	AddGeometry (scalar other)

public method	AddGeometryDirectly (scalar other)

public method	AddPoint (scalar x, scalar y, scalar z)

public method	AddPointM ()

public method	AddPointZM ()

public method	AddPoint_2D (scalar x, scalar y)

public method	AddPoint_3D (scalar x, scalar y, scalar z)

public Geo::OGR::Geometry	ApproximateArcAngles (hash params)

public scalar	Area ()

public scalar	As (hash params)

public scalar	AsBinary ()

public scalar	AsText ()

public method	AssignSpatialReference (scalar srs)

public Geo::OGR::Geometry	Boundary ()

public Geo::OGR::Geometry	Buffer (scalar distance, scalar quadsecs=30)

public Geo::OGR::Geometry	BuildPolygonFromEdges (scalar BestEffort=0, scalar AutoClose=0, scalar Tolerance=0)

public list	ByteOrders ()

public Geo::OGR::Geometry	Centroid ()

public Geo::OGR::Geometry	Clone ()

public method	CloseRings ()

public Geo::OGR::Geometry	Collect (array geometries)

public scalar	Contains (scalar other)

public Geo::OGR::Geometry	ConvexHull ()

public scalar	CoordinateDimension (scalar dimension)

public scalar	Crosses (scalar other)

public method	DelaunayTriangulation ()

public Geo::OGR::Geometry	Difference (scalar other)

public scalar	Disjoint (scalar other)

public list	Dissolve ()

public scalar	Distance (scalar other)

public method	Distance3D ()

public method	Empty ()

public scalar	Equals (scalar other)

public method	Extent ()

public method	Feature ()

public method	FlattenTo2D ()

public Geo::OGR::Geometry	ForceTo (scalar type, ref options)

public Geo::OGR::Geometry	ForceToCollection (array geometries)

public Geo::OGR::Geometry	ForceToLineString ()

public Geo::OGR::Geometry	ForceToMultiLineString (array linestrings)

public Geo::OGR::Geometry	ForceToMultiPoint (array points)

public Geo::OGR::Geometry	ForceToMultiPolygon (array polygons)

public Geo::OGR::Geometry	ForceToPolygon ()

public scalar	Geometry (scalar n)

public scalar	GeometryCount ()

public scalar	GeometryType ()

public list	GeometryTypes ()

public scalar	GetCoordinateDimension ()

public method	GetCurveGeometry ()

public scalar	GetDimension ()

public list	GetEnvelope ()

public list	GetEnvelope3D ()

public scalar	GetGeometryRef (scalar index)

public method	GetLinearGeometry ()

public method	GetM ()

public list	GetPoint (scalar index=0)

public scalar	GetPointCount ()

public method	GetPointZM ()

public scalar	GetPoint_2D (scalar index=0)

public scalar	GetPoint_3D (scalar index=0)

public Geo::OSR::SpatialReference	GetSpatialReference ()

public scalar	GetX (scalar index=0)

public scalar	GetY (scalar index=0)

public scalar	GetZ (scalar index=0)

public method	HasCurveGeometry ()

public Geo::OGR::Geometry	Intersection (scalar other)

public scalar	Intersects (scalar other)

public method	Is3D ()

public scalar	IsEmpty ()

public method	IsMeasured ()

public scalar	IsRing ()

public scalar	IsSimple ()

public scalar	IsValid ()

public scalar	Length ()

public method	Move (scalar dx, scalar dy, scalar dz)

public scalar	Overlaps (scalar other)

public list	Point (scalar index, scalar x, scalar y, scalar z)

public method	PointOnSurface ()

public array reference	Points (arrayref points)

public method	Polygonize ()

public method	RemoveGeometry ()

public method	Segmentize (scalar MaxLength)

public method	Set3D ()

public method	SetCoordinateDimension (scalar dimension)

public method	SetMeasured ()

public method	SetPoint (scalar index, scalar x, scalar y, scalar z)

public method	SetPointM ()

public method	SetPointZM ()

public method	SetPoint_2D (scalar index, scalar x, scalar y)

public method	SetPoint_3D (scalar index, scalar x, scalar y, scalar z)

public Geo::OGR::Geometry	Simplify (scalar Tolerance)

public method	SimplifyPreserveTopology ()

public method	SwapXY ()

public Geo::OGR::Geometry	SymDifference (scalar other)

public scalar	Touches (scalar other)

public method	Transform (scalar trans)

public method	TransformTo (scalar srs)

public Geo::OGR::Geometry	Union (scalar other)

public Geo::OGR::Geometry	UnionCascaded ()

public method	Value ()

public scalar	Within (scalar other)

public scalar	WkbSize ()

public Geo::OGR::Geometry	new (hash params)

Public Member Functions inherited from Geo::OGR
public list	ByteOrders ()

public Geo::GDAL::Driver	Driver (scalar name)

public list	DriverNames ()

public list	Drivers ()

public method	Flatten ()

public scalar	GeometryTypeModify (scalar type, scalar modifier)

public scalar	GeometryTypeTest (scalar type, scalar test, scalar type2)

public list	GeometryTypes ()

public method	GetNonLinearGeometriesEnabledFlag ()

public method	GetOpenDSCount ()

public method	HasM ()

public method	HasZ ()

public Geo::GDAL::Dataset	Open (scalar name, scalar update=0)

public Geo::GDAL::Dataset	OpenShared (scalar name, scalar update=0)

public method	SetGenerate_DB2_V72_BYTE_ORDER (scalar Generate_DB2_V72_BYTE_ORDER)

public method	SetNonLinearGeometriesEnabledFlag ()

Detailed Description

Spatial data.

A geometry is spatial data (coordinate values, and a reference to a
spatial reference system) organized into one of the geometry
types. Geometries can be created from several type of data including
a Perl data structure. There are several methods, which modify,
compare, test, or compute values from geometries.

Note: Most spatial analysis methods require <a
href="http://geos.osgeo.org/doxygen/">GEOS to work rigorously.

Definition at line 10745 of file all.dox.

Constructor & Destructor Documentation

public scalar Geo::OGR::Geometry::Geometry ( scalar n )

Object method.
Return the n:th (note zero-based index) element in this geometry or
geometry in this collection.

Note: a.k.a. GetGeometryRef

Parameters

n	index to the geometry, which is a part of this geometry

Returns: a new Geo::OGR::Geometry object whose data is a part of the
parent geometry (this geometry is kept alive while the returned
geometry exists)

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Member Function Documentation

public method Geo::OGR::Geometry::AddGeometry ( scalar other )

Object method.
Add a copy of another geometry to a geometry collection

Parameters

other a Geo::OGR::Geometry object

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public method Geo::OGR::Geometry::AddGeometryDirectly ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

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public method Geo::OGR::Geometry::AddPoint	(	scalar	x,
		scalar	y,
		scalar	z
	)

Object method.
Set the data of a point or add a point to a line string. Consider
using Geo::OGR::Geometry::Points. Note that the coordinate
dimension is automatically upgraded to 25D (3) if z is given.

Parameters

x
y
z	[optional] Calls internally the 2D or 3D version depending on the number of parameters.

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public method Geo::OGR::Geometry::AddPoint_2D	(	scalar	x,
		scalar	y
	)

Object method.
Set the data of a point or add a point to a line string. Consider
using Geo::OGR::Geometry::Points.

Parameters

x
y

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public method Geo::OGR::Geometry::AddPoint_3D	(	scalar	x,
		scalar	y,
		scalar	z
	)

Object method.
Set the data of a point or add a point to a line string. Note that
the coordinate dimension is automatically upgraded to 25D (3). Consider
using Geo::OGR::Geometry::Points.

Parameters

x
y
z

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public method Geo::OGR::Geometry::AddPointM ( )

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public method Geo::OGR::Geometry::AddPointZM ( )

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public Geo::OGR::Geometry Geo::OGR::Geometry::ApproximateArcAngles ( hash params )

Package subroutine.
Create a line string, which approximates an arc.

Note: All angles are in degrees.

Parameters

%params Named parameters:
- Center center point (default is [0, 0, 0])
- PrimaryRadius default is 1.
- SecondaryAxis default is 1.
- Rotation default is 0.
- StartAngle default is 0.
- EndAngle default is 360.
- MaxAngleStepSizeDegrees default is 4.

Returns: a new Geo::OGR::Geometry object.

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public scalar Geo::OGR::Geometry::Area ( )

Object method.

Note: a.k.a. GetArea

Returns: the area of the polygon or multipolygon

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public scalar Geo::OGR::Geometry::As ( hash params )

Object method.
Export the geometry into a known format.

Parameters

params Named parameters:
- Format One of
- WKT Well Known Text.
- ISO WKT
- Text Same as WKT.
- WKB Well Known Binary.
- ISO WKB
- Binary Same as WKB.
- HEXWKB
- HEXEWKB
- GML
- GeoJSON
- ByteOrder Byte order for binary formats. Default is 'XDR'.
- SRID Spatial reference id for HEXEWKB.
- Options GML generation options.
- AltitudeMode For KML.

Returns: the geometry in a given format.

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public scalar Geo::OGR::Geometry::AsBinary ( )

Object method.
Export the geometry into WKB.

See also: Geo::OGR::Geometry::As

Returns: the geometry as WKB.

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public method Geo::OGR::Geometry::AssignSpatialReference ( scalar srs )

Object method.

Parameters

srs	a Geo::OSR::SpatialReference object

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public scalar Geo::OGR::Geometry::AsText ( )

Object method.
Export the geometry into WKT.

See also: Geo::OGR::Geometry::As

Returns: the geometry as WKT.

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public Geo::OGR::Geometry Geo::OGR::Geometry::Boundary ( )

Object method.

Note: a.k.a. GetBoundary

Returns: the boundary of this geometry as a geometry

Since: 1.8.0

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public Geo::OGR::Geometry Geo::OGR::Geometry::Buffer	(	scalar	distance,
		scalar	quadsecs = `30`
	)

Object method.

Parameters

distance
quadsecs

Returns: a new Geo::OGR::Geometry object

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public Geo::OGR::Geometry Geo::OGR::Geometry::BuildPolygonFromEdges	(	scalar	BestEffort = `0`,
		scalar	AutoClose = `0`,
		scalar	Tolerance = `0`
	)

Object method.
Attempt to create a polygon from a collection of lines or from a multilinestring.

Parameters

BestEffort	For future
AutoClose	Assure the first and last points of rings are same.
Tolerance	Snap distance.

Exceptions

Several possibilities, some are reported, some are general errors.

Returns: a new Geo::OGR::Geometry object (Polygon)

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public list Geo::OGR::Geometry::ByteOrders ( )

Package subroutine.
Same as Geo::OGR::ByteOrders

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public Geo::OGR::Geometry Geo::OGR::Geometry::Centroid ( )

Object method.

Returns: a new Geo::OGR::Geometry object

Since: 1.8.0

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public Geo::OGR::Geometry Geo::OGR::Geometry::Clone ( )

Object method.

Returns: a new Geo::OGR::Geometry object

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public method Geo::OGR::Geometry::CloseRings ( )

Object method.

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public Geo::OGR::Geometry Geo::OGR::Geometry::Collect ( array geometries )

Object method.
Create a geometrycollection from this and possibly other geometries.

Parameters

geometries [optional] More geometries to add to the collection.

Returns: a new Geo::OGR::Geometry object of type geometrycollection.

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public scalar Geo::OGR::Geometry::Contains ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry contains the other geometry, false otherwise

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public Geo::OGR::Geometry Geo::OGR::Geometry::ConvexHull ( )

Object method.

Returns: a new Geo::OGR::Geometry object

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public scalar Geo::OGR::Geometry::CoordinateDimension ( scalar dimension )

Object method.

Parameters

dimension [optional]

Returns: 2 or 3

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public scalar Geo::OGR::Geometry::Crosses ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry crosses the other geometry, false otherwise

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public method Geo::OGR::Geometry::DelaunayTriangulation ( )

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public Geo::OGR::Geometry Geo::OGR::Geometry::Difference ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: a new Geo::OGR::Geometry object

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public scalar Geo::OGR::Geometry::Disjoint ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry is disjoint from the other geometry, false otherwise

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public list Geo::OGR::Geometry::Dissolve ( )

Object method.
Dissolve a geometrycollection into separate geometries.

Returns: a list of new Geo::OGR::Geometry objects cloned from the collection.

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public scalar Geo::OGR::Geometry::Distance ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: the distance to the other geometry

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public method Geo::OGR::Geometry::Distance3D ( )

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public method Geo::OGR::Geometry::Empty ( )

Object method.
Clear geometry data, i.e., remove all points, or, for a point, set
the coordinate dimension as zero.

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public scalar Geo::OGR::Geometry::Equals ( scalar other )

Object method.

Note: a.k.a. Equal (deprecated)

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry is equivalent to the other geometry, false otherwise

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public method Geo::OGR::Geometry::Extent ( )

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public method Geo::OGR::Geometry::Feature ( )

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public method Geo::OGR::Geometry::FlattenTo2D ( )

Object method.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceTo	(	scalar	type,
		ref	options
	)

Object method.
Attempt to make a geometry of type 'type' out of this geometry.

Parameters

type	target geometry type. One of Geo::OGR::GeometryTypes.
options	not used currently.

Returns: a new Geo::OGR::Geometry object.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToCollection ( array geometries )

Object method.
Create a geometrycollection from the geometry.

Parameters

geometries [optional] More geometries to add to the collection.

Returns: a new Geo::OGR::Geometry object of type geometrycollection.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToLineString ( )

Object method.
Attempt to create a line string from this geometry.

Returns: a new Geo::OGR::Geometry object.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToMultiLineString ( array linestrings )

Object method.
Attempt to create a multilinestring from the geometry, which must be a linestring.

Parameters

linestrings [optional] More linestrings to add to the collection.

Returns: a new Geo::OGR::Geometry object of type multilinestring.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToMultiPoint ( array points )

Object method.
Attempt to create a multipoint from the geometry, which must be a point.

Parameters

points [optional] More points to add to the collection.

Returns: a new Geo::OGR::Geometry object of type multipoint.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToMultiPolygon ( array polygons )

Object method.
Attempt to create a multipolygon from the geometry, which must be a polygon.

Parameters

polygons [optional] More polygons to add to the collection.

Returns: a new Geo::OGR::Geometry object of type multipolygon.

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public Geo::OGR::Geometry Geo::OGR::Geometry::ForceToPolygon ( )

Object method.
Attempt to create a polygon from this geometry.

Exceptions

None	reported. If this method fails, just a copy is returned.

Returns: a new Geo::OGR::Geometry object.

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public scalar Geo::OGR::Geometry::GeometryCount ( )

Object method.
Return the number of elements in this geometry or geometries in this collection.

Note: a.k.a. GetGeometryCount

Returns: an integer

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public scalar Geo::OGR::Geometry::GeometryType ( )

Object method.

Note: The deprecated method GetGeometryType returns the
type as an integer

Returns: the geometry type of this geometry (one of Geo::OGR::GeometryTypes).

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public list Geo::OGR::Geometry::GeometryTypes ( )

Package subroutine.
Same as Geo::OGR::GeometryTypes

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public scalar Geo::OGR::Geometry::GetCoordinateDimension ( )

Object method.

Returns: an integer

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public method Geo::OGR::Geometry::GetCurveGeometry ( )

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public scalar Geo::OGR::Geometry::GetDimension ( )

Object method.

Returns: 0, 1, or 2

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public list Geo::OGR::Geometry::GetEnvelope ( )

Object method.

Note: In scalar context returns a reference to an anonymous array
containing the envelope.

Returns: the envelope ($minx, $maxx, $miny, $maxy)

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public list Geo::OGR::Geometry::GetEnvelope3D ( )

Object method.

Note: In scalar context returns a reference to an anonymous array
containing the envelope.

Returns: the 3-D envelope ($minx, $maxx, $miny, $maxy, $minz, $maxz)

Since: 1.9.0

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public scalar Geo::OGR::Geometry::GetGeometryRef ( scalar index )

Object method.

Deprecated:: Use Geo::OGR::Geometry

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public method Geo::OGR::Geometry::GetLinearGeometry ( )

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public method Geo::OGR::Geometry::GetM ( )

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public list Geo::OGR::Geometry::GetPoint ( scalar index = 0 )

Object method.

Parameters

index

Returns: (x,y) or a list with more coordinates

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public scalar Geo::OGR::Geometry::GetPoint_2D ( scalar index = 0 )

Object method.

Parameters

index

Returns: (x,y) or a list with more coordinates

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public scalar Geo::OGR::Geometry::GetPoint_3D ( scalar index = 0 )

Object method.

Parameters

index

Returns: (x,y) or a list with more coordinates

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public scalar Geo::OGR::Geometry::GetPointCount ( )

Object method.

Returns: an integer

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public method Geo::OGR::Geometry::GetPointZM ( )

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public Geo::OSR::SpatialReference Geo::OGR::Geometry::GetSpatialReference ( )

Object method.

Returns: a new Geo::OSR::SpatialReference object

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public scalar Geo::OGR::Geometry::GetX ( scalar index = 0 )

Object method.

Parameters

index

Returns: a number

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public scalar Geo::OGR::Geometry::GetY ( scalar index = 0 )

Object method.

Parameters

index

Returns: a number

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public scalar Geo::OGR::Geometry::GetZ ( scalar index = 0 )

Object method.

Parameters

index

Returns: a number

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public method Geo::OGR::Geometry::HasCurveGeometry ( )

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public Geo::OGR::Geometry Geo::OGR::Geometry::Intersection ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: a new Geo::OGR::Geometry object

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public scalar Geo::OGR::Geometry::Intersects ( scalar other )

Object method.

Note: a.k.a. Intersect (deprecated)

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry intersects with the other geometry, false otherwise

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public method Geo::OGR::Geometry::Is3D ( )

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public scalar Geo::OGR::Geometry::IsEmpty ( )

Object method.
Test whether the geometry is empty (has no points, or, for a point,
has coordinate dimension of zero).

Returns: boolean

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public method Geo::OGR::Geometry::IsMeasured ( )

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public scalar Geo::OGR::Geometry::IsRing ( )

Object method.
Test if the geometry is a ring. Requires GEOS in GDAL.

Returns: boolean

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public scalar Geo::OGR::Geometry::IsSimple ( )

Object method.
Test the simplicity of the geometry (OGC sense). Requires GEOS in GDAL.

Returns: boolean

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public scalar Geo::OGR::Geometry::IsValid ( )

Object method.
Test the validity of the geometry (OGC sense). Requires GEOS in GDAL.

Returns: boolean

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public scalar Geo::OGR::Geometry::Length ( )

Object method.

Returns: the length of the linestring

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public method Geo::OGR::Geometry::Move	(	scalar	dx,
		scalar	dy,
		scalar	dz
	)

Object method.
Move every point of the object as defined by the parameters.

Parameters

dx
dy
dz	[optional]

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public Geo::OGR::Geometry Geo::OGR::Geometry::new ( hash params )

Class method.

Parameters

%params A named parameter, one of:
- GeometryType one the supported geometry types, see Geo::OGR::GeometryTypes.
- WKT a well known text string, which defines a geometry.
- WKB a well known binary string, which defines a geometry.
- HEXWKB WKB in hexadecimal.
- HEXEWKB PostGIS extended WKB.
- GML geometry written in Geographic Markup Language.
- GeoJSON geometry written in GeoJSON (JavaScript Object Notation for Geographic data).
- arc a reference to a list of values defining an arc: [CenterX,
CenterY, CenterZ, PrimaryRadius, SecondaryRadius, Rotation,
StartAngle, EndAngle, MaxAngleStepSizeDegrees] (see also Geo::OGR::Geometry::ApproximateArcAngles)
- Points An anonymous array as in method
Geo::OGR::Geometry::Points; Note: requires also GeometryType
parameter

Returns: a new Geo::OGR::Geometry object.

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public scalar Geo::OGR::Geometry::Overlaps ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry overlaps the other geometry, false otherwise

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public list Geo::OGR::Geometry::Point	(	scalar	index,
		scalar	x,
		scalar	y,
		scalar	z
	)

Object method.
Get or set the point

Parameters

index	The index of the point. Optional (ignored if given) for Point and Point25D geometries.
x	[optional]
y	[optional]
z	[optional]

Returns

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public method Geo::OGR::Geometry::PointOnSurface ( )

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public array reference Geo::OGR::Geometry::Points ( arrayref points )

Object method.
Get or set the points of the geometry. The points (vertices) are
stored in obvious lists of lists. When setting, the geometry is
first emptied. The method uses internally either AddPoint_2D or
AddPoint_3D depending on the coordinate dimension of the input data.

Note: The same structure may represent different geometries
depending on the actual geometry type of the object.

Parameters

points [optional] A reference to an array. A point is a reference to an
array of numbers, a linestring or a ring is a reference to an array of points,
a polygon is a reference to an array of rings, etc.

Returns: A reference to an array.

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# Number of lines of code in Points: 56
sub Points {
    my $self = shift;
    my $t = $self->GetGeometryType;
    my $has_z = HasZ($t);
    my $has_m = HasM($t);
    my $postfix = '';
    $postfix .= 'Z' if HasZ($t);
    $postfix .= 'M' if HasM($t);
    $t = i2s(geometry_type => Flatten($t));
    my $points = shift;
    if ($points) {
        Empty($self);
        if ($t eq 'Unknown' or $t eq 'None' or $t eq 'GeometryCollection') {
            error("Can't set points of a geometry of type '$t'.");
        } elsif ($t eq 'Point') {
            # support both "Point" as a list of one point and one point
            if (ref($points->[0])) {
                $self->AddPoint(@{$points->[0]});
            } else {
                $self->AddPoint(@$points);
            }
        } elsif ($t eq 'LineString' or $t eq 'LinearRing' or $t eq 'CircularString') {
            for my $p (@$points) {
                $self->AddPoint(@$p);
            }
        } elsif ($t eq 'Polygon') {
            for my $r (@$points) {
                my $ring = Geo::OGR::Geometry->new('LinearRing');
                $ring->Set3D(1) if $has_z;
                $ring->SetMeasured(1) if $has_m;
                $ring->Points($r);
                $self->AddGeometryDirectly($ring);
            }
        } elsif ($t eq 'MultiPoint') {
            for my $p (@$points) {
                my $point = Geo::OGR::Geometry->new('Point'.$postfix);
                $point->Points($p);
                $self->AddGeometryDirectly($point);
            }
        } elsif ($t eq 'MultiLineString') {
            for my $l (@$points) {
                my $linestring = Geo::OGR::Geometry->new('LineString'.$postfix);
                $linestring->Points($l);
                $self->AddGeometryDirectly($linestring);
            }
        } elsif ($t eq 'MultiPolygon') {
            for my $p (@$points) {
                my $polygon = Geo::OGR::Geometry->new('Polygon'.$postfix);
                $polygon->Points($p);
                $self->AddGeometryDirectly($polygon);
            }
        }
    }
    return unless defined wantarray;
    $self->_GetPoints();
}

public method Geo::OGR::Geometry::Polygonize ( )

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public method Geo::OGR::Geometry::RemoveGeometry ( )

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public method Geo::OGR::Geometry::Segmentize ( scalar MaxLength )

Object method.
Modify the geometry such it has no segment longer than the given length.

Parameters

MaxLength the given length

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public method Geo::OGR::Geometry::Set3D ( )

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public method Geo::OGR::Geometry::SetCoordinateDimension ( scalar dimension )

Object method.

Parameters

dimension

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public method Geo::OGR::Geometry::SetMeasured ( )

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public method Geo::OGR::Geometry::SetPoint	(	scalar	index,
		scalar	x,
		scalar	y,
		scalar	z
	)

Object method.
Set the data of a point or a line string. Note that the coordinate
dimension is automatically upgraded to 25D (3) if z is given.

Parameters

index
x
y
z	[optional]

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public method Geo::OGR::Geometry::SetPoint_2D	(	scalar	index,
		scalar	x,
		scalar	y
	)

Object method.

Parameters

index
x
y

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public method Geo::OGR::Geometry::SetPoint_3D	(	scalar	index,
		scalar	x,
		scalar	y,
		scalar	z
	)

Object method.
Set the data of a point or a line string. Note that the coordinate
dimension is automatically upgraded to 25D (3).

Parameters

index
x
y
z

Code:

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public method Geo::OGR::Geometry::SetPointM ( )

Code:

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public method Geo::OGR::Geometry::SetPointZM ( )

Code:

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public Geo::OGR::Geometry Geo::OGR::Geometry::Simplify ( scalar Tolerance )

Object method.
Simplify the geometry.

Parameters

Tolerance the length tolerance for the simplification

Since: 1.8.0

Returns: a new Geo::OSR::Geometry object

Code:

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public method Geo::OGR::Geometry::SimplifyPreserveTopology ( )

Code:

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public method Geo::OGR::Geometry::SwapXY ( )

Code:

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public Geo::OGR::Geometry Geo::OGR::Geometry::SymDifference ( scalar other )

Object method.
Compute symmetric difference.

Note: a.k.a. SymmetricDifference

Parameters

other a Geo::OGR::Geometry object

Returns: a new Geo::OGR::Geometry object

Since: 1.8.0

Code:

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public scalar Geo::OGR::Geometry::Touches ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry touches the other geometry, false otherwise

Code:

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public method Geo::OGR::Geometry::Transform ( scalar trans )

Object method.

Parameters

trans a Geo::OSR::CoordinateTransformation object

Code:

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public method Geo::OGR::Geometry::TransformTo ( scalar srs )

Object method.

Parameters

srs	a Geo::OSR::SpatialReference object

Code:

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public Geo::OGR::Geometry Geo::OGR::Geometry::Union ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: a new Geo::OGR::Geometry object

Code:

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public Geo::OGR::Geometry Geo::OGR::Geometry::UnionCascaded ( )

Object method.

Returns: a new Geo::OGR::Geometry object

Since: 1.8.0

Code:

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public method Geo::OGR::Geometry::Value ( )

Code:

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public scalar Geo::OGR::Geometry::Within ( scalar other )

Object method.

Parameters

other a Geo::OGR::Geometry object

Returns: true if this geometry is within the other geometry, false otherwise

Code:

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public scalar Geo::OGR::Geometry::WkbSize ( )

Object method.

Returns: an integer

Code:

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The documentation for this class was generated from the following file:

all.dox

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation