Re: Local rendering creates blank tiles

[Patrick Salecker <patty9999 gmx de>]

Am 08.06.2010 23:45, schrieb Jiří Techet:
> On Sun, Jun 6, 2010 at 17:50, Patrick Salecker<patty9999 gmx de>  wrote:
>    
> > Am 06.06.2010 15:21, schrieb Simon Wenner:
> >      
> > > Hi,
> > >
> > > On 06.06.2010 14:43, Patrick Salecker wrote:
> > >        
> > > > Hi,
> > > > while I was testing the python memphis bindings of libchamplain, I
> > > > noticed that local rendering through libchamplain doesn't work at all on my
> > > > system.
> > > >
> > > > "memphis/demos/tile-renderer.py" and
> > > > "pymemphis/examples/tile-renderer.py" render the tiles correct, but
> > > > "libchamplain/demos/local-rendering" shows only an arc:
> > > > http://img268.imageshack.us/img268/7088/localrendering.png
> > > >
> > > >          
> > > Are you sure that you are looking at the area that contains the data? Any
> > > error messages in the terminal?
> > > Maybe these are old tiles from champlain's cache. Try to delete the cache.
> > >        
> > Now I know a workaround:
> > When I run "./local-rendering", select "Local Map" and click on "Einpassen"
> > (locale is de_DE.utf8), is see blank tiles and no terminal output.
> > When I run "LANG= ./local-rendering" it works fine.
> >
> > Any ideas why this happens?
> >
> >      
> Interesting. From your last email it seems that the same happens even
> with the normal (non-python) demo, right?
>
> The only idea I have is that libmemphis parses the xml map data file
> incorrectly because it opens the file in different encoding (I think
> GTK normally uses locale encoding and not UTF-8, which might be the
> problem). But it could be something else too.
>
> Jiri
Yes, but only with libchamplain. The demos from memphis and pymemhis are 
working correct.

I compiled libchamplain with debugging and compared the logs from 
local-rendering with and without locale with diff. The only difference I 
noticed, was that the coordinates in the debug messages have points 
instead of commas.