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List:       postgis-users
Subject:    [postgis] SRID
From:       Dave Blasby <dblasby () refractions ! net>
Date:       2002-02-26 16:46:53
Message-ID: 3C7BBBFD.56D3431F () refractions ! net
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> but while I'm here...can anyone help a novice and explain the
> purposed of the srid field...

SRID means "Spatial Reference ID".  Its a tag that says the geometry is
in a particular map project (ie. UTM Zone 10, Albers, or Lat/Long NAD
83).

You should add a row to the spatial_ref_sys table for each SRID you have
in your system.

dave

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