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documentation | The identification of another data source to use for geometry data for the current data source. Each feature in the current data source is joined to the features in the referenced data source (DataSourceRef) based on an equality match of their respective columns MatchAttribute and RefMatchAttribute. If the optional attribute "convert" has value "point", the referenced geometry data, if not already point geometry, must be converted to point geometry by computing the geometry centroid or center. |
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