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* '''Gazetteer Seq No:''' this option allows to specify the flattening of the country structure into the main object tables, if gazetteer alternative names are used in {{IMSMANG}}. Alternative names in the country structure, if defined, have a sequence number. For example, if for each country structure element two alternative names are defined, the first one has sequence number 0 , the second one sequence number 1. If the standard gazetteer names should be used in the staging area, choose '''None'''. Otherwise, choose the appropriate sequence number.
* '''Do Geodata:''' this is a switch to enable/disable the generation of geodata. The staging area can either be created with non-geodata only, or including all the coordinates (points, polylines and polygons), i.e. the data stored in the GEOPOINT, GEOSPATIALINFO and related tables in {{IMSMANG}}. Refer to the section on geodata below for more details.
* '''Target SRID:''' when generating geodata in the staging area, the data can be re-projected. The Target SRID allows to define the projection. The default, 4326, corresponds to '''WGS 84''' and 3857 corresponds to '''WGS84 Web Mercator'''. For a complete list of available projections, issue the following query on an empty staging area (i.e. the one created after clicking on '''Validate Selections'''):<pre>select *from spatial_ref_sys</pre>
You may also consult http://spatialreference.org/ to find the SRID that you would like to use. PostgreSQL is using the EPSG standard.
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