Click here to get back home

Conversion ??? -> UTM (WGS84)

 HomeNewsGroups | Search | About
 comp.infosystems.gis    Post an article   get this group's latest topics as an RSS feed add this group's latest topics to your My MSN content add this group's latest topics to your My Yahoo content
Subject Author Date
Conversion ??? -> UTM (WGS84) svasi 11-08-2006
Posted by svasi on November 8, 2006, 10:13 am
Please log in for more thread options
Hi everyone.
I've been involved in a project where the customer asked me to convert
his gis DB in UTM format.
He doesn't know which representation is used, and i'm new to GIS world.
He only said to me that he represents a point with GPS xy coordinates.
I've tried to find the source representation having a xy coordinate
(x=3D5388482, y=3D2547135) for only one known point (41=B047'17.86N,
12=B015'46.35E).
I've tried several conversion tool, for different projections, but I
can't find the exact source representation that could give the lat,
long coordinates i have for this point.

I'm stalled, someone could help me to find the right answer?

Thanks


Posted by Paul Cooper on November 8, 2006, 12:02 pm
Please log in for more thread options

>Hi everyone.
>I've been involved in a project where the customer asked me to convert
>his gis DB in UTM format.
>He doesn't know which representation is used, and i'm new to GIS world.
>He only said to me that he represents a point with GPS xy coordinates.
>I've tried to find the source representation having a xy coordinate
>(x=5388482, y=2547135) for only one known point (41°47'17.86N,
>12°15'46.35E).
>I've tried several conversion tool, for different projections, but I
>can't find the exact source representation that could give the lat,
>long coordinates i have for this point.
>
>I'm stalled, someone could help me to find the right answer?
>
>Thanks
This is fundamentally impossible without more information. You need to
know what projection system his GPS is set up for; that is probably
whatever is the national or state grid in use with the maps he uses.
There are two things here: to get from latitude/longitude to XY you
need the projection details. You also need to knwo the datum he is
using (and the target datum for your output; UTM does not define one).

I'd see if you can get your hands on the GPS and look to se how it's
set up!

Paul

Posted by Jim on November 9, 2006, 10:28 am
Please log in for more thread options
Are you still having this trouble.?
If so; what software are you using to perform this action.?

It's going to be a matter of trial & error until you find which one to
use.
However if you can describe exactly whare the items are projecting
against something that you know is in the correct projection & I can
help you.

svasi wrote:
> Hi everyone.
> I've been involved in a project where the customer asked me to convert
> his gis DB in UTM format.
> He doesn't know which representation is used, and i'm new to GIS world.
> He only said to me that he represents a point with GPS xy coordinates.
> I've tried to find the source representation having a xy coordinate
> (x=3D5388482, y=3D2547135) for only one known point (41=B047'17.86N,
> 12=B015'46.35E).
> I've tried several conversion tool, for different projections, but I
> can't find the exact source representation that could give the lat,
> long coordinates i have for this point.
>
> I'm stalled, someone could help me to find the right answer?
>=20
> Thanks


Similar ThreadsPosted
Conversion WGS84 to East Timor Local Datum (1967) January 19, 2005, 8:18 pm
MapInfo Professional coordinate conversion wgs84 gauss krueger April 25, 2006, 9:43 am
WGS84 questions August 14, 2004, 1:05 am
flavours of wgs84 December 12, 2006, 12:43 pm
wgs84 18.425091 -33.921821 November 6, 2007, 3:55 pm
WGS84 to Everest 1830 geotransformation November 7, 2007, 11:45 pm
Longitude Latitude WGS84 to State Plane Coordinates December 16, 2006, 7:04 pm
Convert a shapefile with a French projection system to the common EPSG:4326 projection WGS84 (latitude, longitude) May 31, 2008, 8:25 am
E00 conversion August 16, 2004, 4:48 pm
UTM Conversion HELP July 15, 2005, 3:34 pm

Our other projects:

Art Dolls, Fairies and Mermaids - Sunnyfaces.net

Roy's Linux, Programming and Search Engines messages

1-Script XML SitemapXML Sitemap