Geo::GDAL  2.3
Geo::OGR Class Reference

OGR utility functions.
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+ Inheritance diagram for Geo::OGR:

Classes

class  DataSource
 A vector dataset.
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class  Driver
 A vector format driver.
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class  Feature
 A collection of non-spatial and spatial attributes.
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class  FeatureDefn
 The schema of a feature or a layer.
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class  FieldDefn
 A definition of a non-spatial attribute.
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class  Geometry
 Spatial data.
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class  GeomFieldDefn
 A definition of a spatial attribute.
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class  Layer
 A collection of similar features.
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class  StyleTable
 

Public Member Functions

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

OGR utility functions.

A wrapper for many OGR utility functions and a root class for all
OGR classes.

Definition at line 7899 of file all.dox.

Member Function Documentation

public list Geo::OGR::ByteOrders ( )

Package subroutine.

Returns
a list of byte order types, XDR and NDR. XDR denotes
big-endian and NDR denotes little-endian.

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

Package subroutine.
A.k.a GetDriver.

Parameters
namethe short name of the driver.
Note
No check is made that the driver is actually a vector driver.
Returns
a Geo::GDAL::Driver object.

Code:
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public list Geo::OGR::DriverNames ( )

Package subroutine.
A.k.a GetDriverNames

<br>perl -MGeo::GDAL -e '@d=Geo::OGR::DriverNames;print "@d\n"'
<br>


Note
Use Geo::GDAL::DriverNames for raster drivers.
Returns
a list of the short names of all available GDAL vector drivers.

Code:
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public list Geo::OGR::Drivers ( )

Package subroutine.

Note
Use Geo::GDAL::Drivers for raster drivers.
Returns
a list of all available GDAL vector drivers.

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public method Geo::OGR::Flatten ( )


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public scalar Geo::OGR::GeometryTypeModify ( scalar  type,
scalar  modifier 
)

Object method.

Parameters
typea geometry type (one of Geo::OGR::GeometryTypes).
modifierone of 'flatten', 'set_Z', 'make_collection', 'make_curve', or 'make_linear'.
Returns
modified geometry type.

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public list Geo::OGR::GeometryTypes ( )

Package subroutine.

Returns
a list of all geometry types, currently:
CircularString, CircularStringM, CircularStringZ, CircularStringZM, CompoundCurve, CompoundCurveM, CompoundCurveZ, CompoundCurveZM, Curve, CurveM, CurvePolygon, CurvePolygonM, CurvePolygonZ, CurvePolygonZM, CurveZ, CurveZM, GeometryCollection, GeometryCollection25D, GeometryCollectionM, GeometryCollectionZM, LineString, LineString25D, LineStringM, LineStringZM, LinearRing, MultiCurve, MultiCurveM, MultiCurveZ, MultiCurveZM, MultiLineString, MultiLineString25D, MultiLineStringM, MultiLineStringZM, MultiPoint, MultiPoint25D, MultiPointM, MultiPointZM, MultiPolygon, MultiPolygon25D, MultiPolygonM, MultiPolygonZM, MultiSurface, MultiSurfaceM, MultiSurfaceZ, MultiSurfaceZM, None, Point, Point25D, PointM, PointZM, Polygon, Polygon25D, PolygonM, PolygonZM, PolyhedralSurface, PolyhedralSurfaceM, PolyhedralSurfaceZ, PolyhedralSurfaceZM, Surface, SurfaceM, SurfaceZ, SurfaceZM, TIN, TINM, TINZ, TINZM, Triangle, TriangleM, TriangleZ, TriangleZM, and Unknown.

Code:
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public scalar Geo::OGR::GeometryTypeTest ( scalar  type,
scalar  test,
scalar  type2 
)

Object method.

Parameters
typea geometry type (one of Geo::OGR::GeometryTypes).
testone of 'has_z', 'is_subclass_of', 'is_curve', 'is_surface', or 'is_non_linear'.
type2a geometry type (one of Geo::OGR::GeometryTypes). Required for 'is_subclass_of' test.
Returns
result of the test.

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public method Geo::OGR::GetNonLinearGeometriesEnabledFlag ( )


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public method Geo::OGR::GetOpenDSCount ( )


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public method Geo::OGR::HasM ( )


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public method Geo::OGR::HasZ ( )


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

Object method.
Open a vector data source.

Parameters
nameThe data source string (directory, filename, etc.).
updateWhether to open the data source in update mode (default is not).
Returns
a new Geo::GDAL::Dataset object.

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

Object method.
Open a vector data source in shared mode.

Parameters
nameThe data source string (directory, filename, etc.).
updateWhether to open the data source in update mode.
Returns
a new Geo::GDAL::Dataset object.

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public method Geo::OGR::SetGenerate_DB2_V72_BYTE_ORDER ( scalar  Generate_DB2_V72_BYTE_ORDER)

Object method.
Needed only on IBM DB2.

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public method Geo::OGR::SetNonLinearGeometriesEnabledFlag ( )


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