Details Ticket 4229


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Serial Number 4229
Subject error in EPSG file
Area wish6
Queue grass
Requestors guerreau@msh-paris.fr
Owner none
Status resolved
Last User Contact Mon Apr 3 11:54:04 2006 (2 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Mon Apr 3 11:54:04 2006 (2 yr ago)
Created Thu Mar 30 21:02:27 2006 (2 yr ago)

Transaction History Ticket 4229


Thu, Mar 30 2006 21:02:27    Request created by guest  
Subject: error in EPSG file

Platform: GNU/Linux/x86
grass obtained from: Other (CDROM etc)
grass binary for platform: Downloaded precompiled Binaries
GRASS Version: 6.0.1


the proj from EPSG is very useful
in France, I use Lambert II (27572)
but it gives a false longitude
I noticed a general error in the file: "lon_0=-2.33......"

the minus sign is false !
it must be : lon_0=2.33....

so it gives the right longitude
(all the Lambert codes for France must be corrected)

alain guerreau  cnrs paris
Fri, Mar 31 2006 00:11:11    Mail sent by werchowyna@epf.pl  
Return-Path <werchowyna@epf.pl>
Delivered-To grass-bugs@lists.intevation.de
Date Fri, 31 Mar 2006 00:11:06 +0200
From Maciek Sieczka <werchowyna@epf.pl>
To Request Tracker <grass-bugs@intevation.de>
Cc grass5@grass.itc.it, warmerdam@pobox.com
Subject Re: [GRASS5] [bug #4229] (grass) error in EPSG file
Message-Id <20060331001106.b3c7d5c2.werchowyna@epf.pl>
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On Thu, 30 Mar 2006 21:02:27 +0200 (CEST)
Request Tracker <grass-bugs@intevation.de> wrote:

> this bug's URL: http://intevation.de/rt/webrt?serial_num=4229
> -------------------------------------------------------------------------
> 
> Subject: error in EPSG file
> 
> Platform: GNU/Linux/x86
> grass obtained from: Other (CDROM etc)
> grass binary for platform: Downloaded precompiled Binaries
> GRASS Version: 6.0.1
> 
> 
> the proj from EPSG is very useful
> in France, I use Lambert II (27572)
> but it gives a false longitude
> I noticed a general error in the file:

What file, exactly?

In case you mean a file that comes with proj4, please report to proj4
maintainer Frank Warmerdam, eg. uisng proj4 list.

CCing him now.

proj4 is not a part of Grass.

This problem you are reporting here might even be due to an error EPSG
database, not proj4 itself. Check with EPSG online database
http://ocean.csl.co.uk/.

> "lon_0=-2.33......"
> 
> the minus sign is false !
> it must be : lon_0=2.33....
> 
> so it gives the right longitude
> (all the Lambert codes for France must be corrected)
> 
> alain guerreau  cnrs paris

Hope that helps.

Maciek

--------------------
W polskim Internecie s? setki milion?w stron. My przekazujemy Tobie tylko najlepsze
z nich!
http://katalog.panoramainternetu.pl/


Sun, Apr 2 2006 21:26:35    Mail sent by guest  
Thank you very much !

the error is in the file:
/usr/share/proj/epsg

it is plain text, so it is easy to correct
I dont know if it is a GRASS or PROJ-4 file...
(probably PROJ-4 ?)

in any case, a correction seems to be needed

best regards  alain guerreau
Mon, Apr 3 2006 11:54:05    Status changed to resolved by msieczka  
Mon, Apr 3 2006 11:54:04    Mail sent by msieczka  
/usr/share/proj/epsg is a part of proj4 

You could easily verify this yourself using your package manager (rpm on
Mandriva, RedHat, Suse etc. or apt/synaptic if on Debian or a fork of it. Just
check what package provides the file.

Please report the issue to Frank Warmerdam, Proj4 maintainer, if you are sure
there is an error in /usr/share/proj/epsg.

Closing the report for Grass.

Maciek
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