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Re: [udig-users] Re: epsg 26591

Ciao Laura,
it seems that we don't have any problem with the 26591 projection. I really don't know what you mean with it doesn't work but attach here
some consideration, hope they would be useful.
1. Monte Mario in both the EPSG codes 3003 and 26591 works well just if
you work only with other Monte Mario projections
2. if you need to put together things in Monte Mario and UTM so you have to modify the prj files adding the TOWGS84 for both projections, if you don't do that your features will be shifted (I tried to attach here a picture but the mailing list doesn't let me send it... if you need I can send it directly to you) 3. if you change the prj file of your shapefile and substitute 26591 with 3003, even if it is wrong... nothing changes!! so I really don't
know what happens...

Ciao

Silvia


Laura wrote:
Ciao Andrea!


There is not a properly direct link. You should go to this webpage http://www.cartografia.regione.lombardia.it/usedde/clientDDE.jsp, then select a group and a layer. Then you provide your mail address and then they will send you the file in few seconds.

I can send some files if you prefer.

I tried again and with the epsg 3003 it works....

The problem is that with epsg 26591 also the north arrow rotates... I don't kow why.
I also read that the usage of epsg 3003 and 26591 is deprecated (why?)


Laura





------------------------------

Message: 2
Date: Sat, 14 Mar 2009 13:47:06 +0100
From: andrea antonello <andrea.antonello@xxxxxxxxx>
Subject: Re: [udig-users] epsg 26591
Cc: udig-users@xxxxxxxxxxxxxxxxxxxxx
Message-ID:
<116eb44a0903140547q2e1c19b4s5c47d5086fde3042@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1

Hi Laura,
could you supply me a direct link to the data in order to test them?

Ciao
Andrea

On Wed, Mar 11, 2009 at 11:31 PM, Laura <bisnulama@xxxxxxxxxxx> wrote:
I am still having that problem with epsg 26591.

The shp files I am using from the Lombardia website have this things written
in their prj:

PROJCS["Monte Mario (Rome) / Italy zone 1",'
GEOGCS["unnamed",
DATUM["D_unnamed",SPHEROID["International_1924",6378388,297.0000000000601]],
PRIMEM["Greenwich",0],
UNIT["Degree",0.017453292519943295]],
PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",0],
PARAMETER["central_meridian",8.999999999999998],
PARAMETER["scale_factor",0.9996],
PARAMETER["false_easting",1500000],
PARAMETER["false_northing",0],
UNIT["Meter",1]]

If I load these files they have their epsg 26591 recognized by udig
correctly.
If the epsg of the project is 26591 something wrong happens: the map, wich has a rectangular shape is rotated, about 30 degrees west, I mean, it is a
rectangle but the north of the map heads north-west...
If I set an epsg code 23032 for the project North heads north, which is ok.

Can someone help me?
Thanks a lot!

Laura
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