On Mon, Jun 15, 2009 at 07:41:48AM -0400, Felipe Alcacibar wrote:
> Hi, some days ago the list shows me about google layers and spherical
> mercator.
>
> everything is works fine, but i cannot do a good reprojection from
> WGS84 to Spherical Mercator
> i trying with postgis with the statement:
>
> ST_transform(ST_setSRID(geom, 4326), 900913)
u=# insert into spatial_ref_sys VALUES (900913, 'EPSG', 900913, '', '+proj=merc
+a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m
+nadgri...@null +no_defs');
INSERT 0 1
u=# select astext(transform(geomfromtext('POINT(-22.19921875
1.47265625)',4326), 900913));
astext
-------------------------------------------
POINT(-2471205.72725849 163953.396913541)
(1 row)
works for me. try dumping your current 900913 srs entry and adding it
like this.
> but when i see in the map the layer goes a lot km to the north, have
> some table to pass parameters
> for convertion bethween this projections, i search but i cannot found
> any response that tells me
> how i can do this.
>
> very thanks in advance.
>
> cheers
>
> Felipe
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--
Christopher Schmidt
MetaCarta
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