### Layer Exchanger

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The Layer Exchanger interface is used to export a TerraLib layer to a external source. This component allows you to export a layer at a time. The list of output sources may vary depending on the active plugins.
It is accessible through:
Layer Explorer > Right Click over a Layer-name > Exchange... (used to export a specific layer)
Tools > Data Exchanger > Layer Exchanger... (list of all layers will be available)
To export a layer is required the following steps:

1. Select the input layer entry, field "Input Layer".
2. Select the output data source type, field "Output Data Source Type". The next fields may vary according to the selected source.
3. Inform the output data source, field "Output Data Source", or
4. Inform the name of the output data set or the location of a path where the data will be exported, field "Data Set Name".
5. Some data sources allow for the creation of spatial index, field "Create Spatial Index".

At the end of the process, if everything goes correctly, a success message will be displayed, otherwise a message indicating the type of error will be displayed.
NOTE: If the desired output data source is not available, it is possible to add new data sources via the button shown in the figure below.