OGR
Classes | Functions
ogr_spatialref.h File Reference
#include "ogr_srs_api.h"

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Classes

class  OGR_SRSNode
class  OGRSpatialReference
class  OGRCoordinateTransformation

Functions

OGRCoordinateTransformationOGRCreateCoordinateTransformation (OGRSpatialReference *poSource, OGRSpatialReference *poTarget)

Detailed Description

Coordinate systems services.


Function Documentation

Create transformation object.

This is the same as the C function OCTNewCoordinateTransformation().

Input spatial reference system objects are assigned by copy (calling clone() method) and no ownership transfer occurs.

The delete operator, or OCTDestroyCoordinateTransformation() should be used to destroy transformation objects.

The PROJ.4 library must be available at run-time.

Parameters:
poSourcesource spatial reference system.
poTargettarget spatial reference system.
Returns:
NULL on failure or a ready to use transformation object.

References OGRCreateCoordinateTransformation().

Referenced by OGRCreateCoordinateTransformation(), and OGRGeometry::transformTo().


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