[Gvsig_english] trouble with EPSG 2154 and 27561

[Francisco José Peñarrubia]

Actually, the reprojection in the view ("on the fly") is already 
implemented and working since 0.2 release.

The only thing you need to do is to assign the right CRS to your layer 
if it is not in the same CRS than the View. So, when you load the layer 
that you wants to reproject on the fly, set the CRS  to EPSG:2154 if 
your view is in 27561. (The rendering will be slower than the other. You 
can also choose a suitable transformation if you need it.

Hope it helps.

Fran.

Bouillot Michel escribió:
> Hi,
>
> Thanks for this explanation.
>
> I find GVSIG very good but in France we have just changed of RS. We 
> begin to have data in the 2 RS.
> The reprojection in the view would be very pactical !
> Is there a hope for a such function in the futur ?
>
> Regards
>
> Michel Bouillot
>
>
> ----- Mail Original -----
> De: "Guillermo Tamburini" <tamburini_gui at gva.es>
> À: "Users and Developers mailing list" 
> <gvsig_internacional at listserv.gva.es>
> Envoyé: Jeudi 15 Juillet 2010 12:43:50
> Objet: Re: [Gvsig_english] trouble with EPSG 2154 and 27561
>
> Hi,
>
> In fact, you can't correctly represent data in different reference 
> systems in the same View (without reporojecting, it have no sense).
>
> There are some software applications which applies  automatically the 
> reprojection, but it is not the case in gvSIG with vector layers.
>
> First of all, you have to select the correct RS for your View, and 
> then load the data (the target RS you are going to work).
>
> Otherwise, you will see your data but in a incorrect situation. In 
> other utm spindle, or displaced...
>
> If your data is in different RS, you will have to reproject it. 
> Goprocessing tools->Data Conversion->Reproject; the layer in the not 
> current projection to the current projection.
>
> Regards
>
>
> Bouillot Michel wrote:
>
>     Hello,
>
>     I try to open in the same view one shp in EPSG 2154 and one SHP in
>     EPSG 27561 but it don't match correctly. There is a problem with
>     the X like a translation witch have a value who seems to be the
>     difference between Greenwich and Paris meridian.
>
>     How to correct this trouble ?
>
>     regards
>
>     *Michel Bouillot*
>     Chef de projet SIG
>     01 48 70 63 23 / michel.bouillot at montreuil.fr
>     Ville de Montreuil / Direction Urbanisme et Habitat
>     Service Études Développement Urbain
>     3, rue de Rosny / 93100 Montreuil
>
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>
>
>
> -- 
> Guillermo Tamburini Beliveau
> Proyecto gvSIG 
> Consellería de Infraestructuras y Transportes (GVA) 
> Valencia (Spain) 
>  
>   
>
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-- 
Fran Peñarrubia
Scolab
www.scolab.es

Asociación gvSIG
www.gvsig.com