Merge

The Merge operation makes the insertion of a layer data in an other layer. It tries to combine the same columns of the two layers, and, if not possible, the user can make this configuration.

Its only possible to combine columns with the same type (string with string, integer with integer).

Exist the possibility to create a new data, as output, or choose to update de first layer with the secound layer data.

It is accessed through:

    Processing > Vector Processing > Merge...

1. Select the First Layer. 
2. Select the Secound Layer.
3. The sistem will try to combine the columns at Attributes table, but this does not prevent an user configuration.
4. With Output checkbox checked, inform the Output Repository by clicking on:
1. to select the output directory and also inform the new layer name to store the result, or
2.  to select the output Data Source.
5. Inform the new Layer Name to store the Merge result, if the repository is a data source.
6. Otherwise, with the Output checkbox unchecked, the Fisrt Layer  will be updated with the Secound Layer data.
7. Click OK to perform the operation or Cancel to close the interface.

Usage tips:

The Merge result can be stored in different TerraLib data sources. Check data source selector for more details on how to select a data source.