<para>Testing different lon/lat projects, requires PostGIS 2.2+.
Any long lat spatial reference system listed in <varname>spatial_ref_sys</varname> table is allowed.</para>
- <programlisting>-- NAD 83 lon/lat
+<para> <programlisting>-- NAD 83 lon/lat
SELECT 'SRID=4269;POINT(-123 34)'::geography;
geography
----------------------------------------------------
SELECT 'SRID=26910;POINT(-123 34)'::geography;
ERROR: Only lon/lat coordinate systems are supported in geography.
-LINE 1: SELECT 'SRID=26910;POINT(-123 34)'::geography;</programlisting>
-</para>
+LINE 1: SELECT 'SRID=26910;POINT(-123 34)'::geography;</programlisting></para>
<para>The GEOGRAPHY type calculates the true shortest distance over the sphere between Reykjavik and the great circle flight path between Seattle and London.</para>