No subject

> Never worked with osm data, but since I created the .prj generator in 
> pgsql2shp, I can tell you it reads the srid of the geometry and looks 
> up the

> srtext in spatial ref and outputs that to the .prj file.

> I suspect osm data is in Mercator not long lat.  If you want your 
> output to be in long lat, you need to transform and use an sql 
> statement

> pgsql2shp -f "/path/to/filename" -h myserver -u apguser -P apgpassword 
> mygisdb
> 	"SELECT field1 AS hs_num, field2...., ST_Transform(the_geom,4326) As

> the_geom FROM planet_osm_line"

I tried what u said as follows:
______________________________________________
pgsql2shp -f ../data/myfile gis "SELECT *, ST_Transform(way,4326) As
the_geom FROM planet_osm_line"

Output:

Preparing table for user query... Failed: ERROR:  AddToPROJ4SRSCache: Cannot
find SRID (4326) in spatial_ref_sys

______________________________________________

Then With reference to this
http://postgis.refractions.net/pipermail/postgis-users/2008-February/018486.
html web page I executed the following in the postgres database

______________________________________________
gis=# SELECT UpdateGeometrySRID ('public', 'planet_osm_polygon','way',
4236);

Output:

ERROR:  constraint "enforce_srid_way" of relation "planet_osm_polygon" does
not exist
CONTEXT:  SQL statement "ALTER TABLE public.planet_osm_polygon DROP
constraint enforce_srid_way"
PL/pgSQL function "updategeometrysrid" line 53 at EXECUTE statement SQL
statement "SELECT UpdateGeometrySRID('', $1 , $2 , $3 , $4 )"
PL/pgSQL function "updategeometrysrid" line 4 at SQL statement
______________________________________________

I don't know what to do now, please guide !

--
Regards,
Anisha Kaul

-------------------------------------
Hi-Tech Gears Limited, Gurgaon, India




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