[OSM-talk-be] URBis, Open!

[eMerzh]

Btw,
the official announce :

http://blog.cibg.irisnet.be/brussels-urbis-enfin-disponible-sous-licence-open-data/



On Sat, Apr 27, 2013 at 4:01 PM, A.Pirard.Papou <A.Pirard.Papou at gmail.com>wrote:

> **
> On 2013-04-27 09:58,  Wim Crols wrote :
>
> On Sat, Apr 27, 2013 at 12:02 AM, A.Pirard.Papou <A.Pirard.Papou at gmail.com
> > wrote:
>
>>  On 2013-04-26 11:20,  Chris Browet wrote :
>>
>>  The Lambert72 PROJ4 string extracted from the prj is:
>>
>>  +proj=lcc +lat_1=49.8333339 +lat_2=51.16666723333333 +lat_0=90
>> +lon_0=4.367486666666666 +x_0=150000.01256 +y_0=5400088.4378 +ellps=intl
>> +units=m +no_defs
>>
>>  And doesn't quite work.
>>
>>  This one is ok:
>>
>> +proj=lcc +lat_1=51.16666723333334 +lat_2=49.83333389999999 +lat_0=90
>> +lon_0=4.367486666666666 +x_0=150000.013 +y_0=5400088.438 +ellps=intl
>> +towgs84=-99.1,53.3,-112.5,0.419,-0.83,1.885,-1.0 +units=m +no_defs
>>
>>   There are 4 or 5 proj4 definitions of Lambert 72 around and bugs
>> reports.
>> This is the correct one, I think, that I configured Merkaartor with after
>> much searching.
>>
>>
>  Actually this is the one defined in proj4 now
>
> +proj=lcc +lat_1=51.16666723333333 +lat_2=49.8333339 +lat_0=90
> +lon_0=4.367486666666666 +x_0=150000.013 +y_0=5400088.438 +ellps=intl
> +towgs84=106.869,-52.2978,103.724,-0.33657,0.456955,-1.84218,1 +units=m
> +no_defs
>
>  https://svn.osgeo.org/metacrs/sr.org/epsg/proj/epsg
>
>  look for 31370
>
> Indeed, and that is why everybody should carefully check that this #47
> bug is corrected in their proj.4 distribution<http://trac.osgeo.org/proj/ticket/47>(library file libproj0.so.0 or such) or in other sources or in any other
> "manual" configuration in order to avoid producing bad work and confusion
> like this message + replies and other discussions<http://lists.maptools.org/pipermail/proj/2010-January/005017.html>
> .
>
>
>
>>  Obviously, IGN/NGI should specify their projections' proj4 definitions
>> on their site.
>> Someone should notify them.
>>
>   Obviously.
>
>
>> Cheers
>>
>>   André.
>>
>
>
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>
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