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# ogr_spatialref.h File Reference

`#include "ogr_srs_api.h"`

Go to the source code of this file.

## Classes
class | OGR_SRSNode
class | OGRSpatialReference
class | OGRCoordinateTransformation
## Functions
OGRCoordinateTransformation * | OGRCreateCoordinateTransformation (OGRSpatialReference *poSource, OGRSpatialReference *poTarget)

## Detailed Description

Coordinate systems services.

## Function Documentation

OGRCoordinateTransformation* OGRCreateCoordinateTransformation | ( | OGRSpatialReference * | poSource,
|  | OGRSpatialReference * | poTarget
| ) |

  | Create transformation object. This is the same as the C function OCTNewCoordinateTransformation(). The delete operator, or OCTDestroyCoordinateTransformation() should be used to destroy transformation objects. Parameters:
  | poSource | source spatial reference system.
  | poTarget | target spatial reference system.
Returns: NULL on failure or a ready to use transformation object.

Generated for GDAL by 1.4.5.