[geos-devel] GEOS and Writing SRID values

Charlie Savage cfis at savagexi.com
Fri Sep 14 11:58:20 EDT 2007

> PostGIS uses -1 as the default "unknown" SRID. Unfortunately, ISO uses 
> 0.  So we remain tempted to flip to 0. It is the one of the major 
> "breaking" changes we would have to do to get to SQL/MM conformance (the 
> others are changing the type numbers for ZM geometry variants in AsBinary).

Ok, I updated WkbReader to set the SRID to 0 (instead of -1) when it is 
not included in the EWKB/HEX value.

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