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You may also consult http://spatialreference.org/ to find the SRID that you would like to use. PostgreSQL is using the EPSG standard.
==Adding spatial reference system==__NOEDITSECTION__
If you cannot find the reference system you would like to use in the dropdown list then you need to add it to the staging database.
You consult http://spatialreference.org/ to find the SRID that you would like to use.
[[Image:SAG add ref sys.png|500px|center]]
<div align="center">
'' Example: Sri Lanka grid''
</div><br/>
<ol>
<li>Compare your prj file with the definition on the website.
<li>When you are sure that you have find the '''correct''' projection/convertion file then click in the ''insert'' link.
[[Image:SAG add ref sys2.png|900px|center]]<br/>
<li>Insert the reference system with a SQL tool like PGAdminIII or Navicat.
</ol>
[[Image:Staging_Area_Generator_GUI_options.png|center]]
{{Note | The Staging Area Generator will use the first number in the Insert statement in the ''Target SRID'' drop-down list.}}
==Error message when creating Geodata==__NOEDITSECTION__