Re: Local rendering creates blank tiles
- From: Jiří Techet <techet gmail com>
- To: Pierre-Luc Beaudoin <pierreluc beaudoin gmail com>
- Cc: libchamplain-list gnome org
- Subject: Re: Local rendering creates blank tiles
- Date: Thu, 10 Jun 2010 01:08:20 +0200
On Wed, Jun 9, 2010 at 18:19, Pierre-Luc Beaudoin
<pierreluc beaudoin gmail com> wrote:
>
> On Jun 9, 2010, at 8:53 AM, Patrick Salecker wrote:
>> The only difference I noticed, was that the coordinates in the debug messages have points instead of commas.
>
> That is a very common bug where the user's locale affects internal data format. There is probably a conversion to a string somewhere and it should not be locale specific.
Yes, it appears to be something like this. And it's not libchamplain
bug but libmemphis bug at the end. I just put some traces and this is
the bounding box I get after the call of
memphis_map_get_bounding_box()
techy techy-laptop:~/Projects/libchamplain/demos$ ./local-rendering
left: 47, top: 8, right: 47, bottom: 8
techy techy-laptop:~/Projects/libchamplain/demos$ LANG= ./local-rendering
left: 47.6907, top: 8.62675, right: 47.7024, bottom: 8.64248
So it appears that libmemphis just loses the decimal part somewhere.
The reason why this bug doesn't appear with the libmemphis demo is
that the demo just doesn't call memphis_map_get_bounding_box().
Jiri
>
> PL
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