Hi,
Is there a way to select one or two fields from a input data source to update specific fields of an existing output data source? Let's say I want to get the values from a prticular field of the input data source and the geometry to update a specific field and the geometry of an existing output data source. Looking at the org2gr "-fieldmap" options it says it only work with "-append" but it doesn't examplain why. If it works it would be something like: $ ogr2ogr -update -f format output_data_source input_data_source -nln output_layer -sql "select field1 from input_layer" -fieldmap 4 Where "4" would indicate the 3th field of the output_layer. Does anybody have another solution for that? Thanks. Ivan
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