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Reprojects coordinates stored as attributes from one coordinate system to another.

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Typical Uses

  • Reprojecting coordinates stored as attributes (not geometry) to the desired coordinate system
  • Adding additional coordinate pairs as attributes, in alternate coordinate systems

How does it work?

The AttributeReprojector accepts any feature. The user specifies the attributes containing x and y coordinates, and supplies both the source and destination coordinate systems.

The transformer reprojects the coordinates according to these selections, and updates the x and y attributes to the new values, overwriting the originals.

This transformer does not alter the feature’s geometry – only the values of the selected X and Y attributes (if they contain coordinate values) are changed.

Accurate results depend on the user’s correct selection of the source coordinate system.


Input Ports

Output Ports


Editing Transformer Parameters

Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click beside the applicable parameter. For more information, see Transformer Parameter Menu Options.

Defining Values

There are several ways to define a value for use in a Transformer. The simplest is to simply type in a value or string, which can include functions of various types such as attribute references, math and string functions, and workspace parameters. There are a number of tools and shortcuts that can assist in constructing values, generally available from the drop-down context menu adjacent to the value field.


Processing Behavior


Feature Holding


FME Licensing Level FME Base Edition and above



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Examples may contain information licensed under the Open Government Licence – Vancouver