Hello again,
I have tested this procedure in another PostGIS 1.4 install on Debian.
The results are exactly the same as on Ubuntu.
Is there any way I can test the usage of grid files? Some sort of
standard test procedure?
Thank you,
Luís
2010/6/9 Luís de Sousa <luis.a.de.so...@gmail.com>:
>
> u...@gisvm:/etc/profile.d$ cs2cs +init=pt:dlxhg +to +init=pt:pttm06
> -74584.120 2459.620
> -74582.57 2460.86 0.00
>
> u...@gisvm:/etc/profile.d$ /etc/postgresql/8.4/bin/psql -h localhost
> -d template_postgis -p 5432 -U postgres
> Password for user postgres:
> psql (8.4.1)
> Type "help" for help.
>
> template_postgis=# UPDATE spatial_ref_sys
> template_postgis-# SET proj4text = '+proj=tmerc
> +lat_0=39.66666666666666 +lon_0=1 +k=1 +x_0=0 +y_0=0 +ellps=intl
> +pm=lisbon +units=m +no_defs +nadgrids=ptLX_e89.gsb'
> template_postgis-# WHERE srid = 20791;
> UPDATE 1
> template_postgis=# SELECT
> X(ST_Transform(PointFromText('POINT(-74584.120 2459.620)', 20791),
> 3763)),
> template_postgis-# Y(ST_Transform(PointFromText('POINT(-74584.120
> 2459.620)', 20791), 3763));
> x | y
> -------------------+------------------
> -74477.6196590331 | 2281.82581261726
> (1 row)
>
_______________________________________________
postgis-users mailing list
postgis-users@postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users
