[postgis-users] Working with multilinestring data - figuring out coordinates

Mac Martine martine at adobe.com
Fri Sep 11 12:34:27 PDT 2009


Hello-
 I'm a total newbie with this stuff so bare with me. I have a shape
files that I got into Postgres. Now I'm pulling it out and it's giving
me MULTILINESTRINGS with numbers that look like:
7509930.12510756 776667.642310877,7509924.12502675 776694.329928875

Now, I get the feeling those are correct, but that I need to convert
them to Longitude and Latitude, and that's where I'm stuck.

I'm pretty sure it's SRID 4326 but I can't find any info on doing
conversions from here. Maybe I'm wrong. I also found this info which
may be of help.

+proj=lcc +lat_1=44.33333333333334 +lat_2=46 +lat_0=43.66666666666666
+lon_0=-120.5 +x_0=2500000 +y_0=0 +ellps=GRS80 +to_meter=0.3048
+no_defs

I'd really appreciate some guidance. I've googled all kinds of things
and am not figuring it out.
Thanks!
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