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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: GISList: Converting from State Plane to Lat/Long
coordinates |
| Date: |
03/24/2003 06:35:00 AM |
| From: |
Kevin Murphy |
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Hi Mapgod,
There may be an easier way, but here is one work flow that works.
If the shape file is a dbf you can open this in excel.
There is a free program written for the USACOE called Corpscon.
Cut and paste the state plane coordinates from excel into a text file.
Then use that text file as an input file to corpscon and get the
Lat/Long you are looking for.
Then cut and paste the Lat/Long from the output file back into excel
and save as a dbf.
Here is the link for corpscon per Google
http://crunch.tec.army.mil/software/corpscon/corpscon.html
hth
K.Murphy
>>> "Dale Lutz" <dal@safe.com> 03/23/03 06:16PM >>>
Hi Mapgod,
I'm not aware of a free utility to do what you want done, but you
could
probably write something using PROJ4 -- http://remotesensing.org/proj/
if you wanted to.
You can also quite easily do this with the FME product -- free eval is
at www.safe.com. Just fire up FME Workbench, make a workspace that
goes
from your shape file to a shape file, and insert an
"AttributeProjector"
transformer in the middle.
Good luck!
Dale
----------------------------------------------------------------------
Dale Lutz Safe Software Inc. dal@safe.com
VP Development Surrey, BC, CANADA phone: (604) 501-9985
http://www.safe.com fax: (604) 501-9965
----------------------------------------------------------------------
> -----Original Message-----
> From: mapgod@cox.net [mailto:mapgod@cox.net]
> Sent: Friday, March 07, 2003 10:23 AM
> To: gislist@geocomm.com
> Subject: GISList: Converting from State Plane to Lat/Long
coordinates
>
> Hi listers,
>
> I've got some GPS data in a shapefile projected to State Plane
> coordinates. There are attribute fields for Northing and Easting
> representing the State Plane coordinates. Can anyone tell me how to
> convert those coordinates into two new attribute fields (lat & lon)
in
> decimal degrees?
>
> Thanks a bundle
>
>
>
> To unsubscribe, write to gislist-unsubscribe@geocomm.com
>
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