New archive file format (was: [omgps] collect feature requests)

mqy meng.qingyou at gmail.com
Sat Jul 4 16:50:15 CEST 2009


Hi Bilk:

Don't worry :)

I've said that I'm afraid of the corruption. So this feature will be
configurable if it can be integrated.


2009/7/2 William Kenworthy (via Nabble) <ml-user+1677-108203198 at n2.nabble.com>:
> I hope not - I have over 2 million tiles stored on SD card - if file
> corruption or disaster occurs, it may affect only one tile if its being
> accessed at the time - imagine the effect of file system corruption on
> one large archive ... you will most likely lose the lot.
>
> Then there is the extra overhead needed - Ive gotta ask "why"? - if you
> can justify the extra cpu needed for this, why not do vector maps?
>
> BillK
>
>
> On Thu, 2009-07-02 at 00:42 -0700, mqy wrote:
>> x and y are tile no in tile coordinate system within range of [0..
>> 2^zoom).
>> just do it if you have time, since proof of concept is necessary :) keep
>> in
>> mind clear APIs.
>> it's likely that, the final version to be integrated into omgps is
>> rewritten
>> in C.
>>
>>
>> Laszlo KREKACS wrote:
>> >
>> > If I understand right the OSM tiles, they have the following directory
>> > ...
>> >
>>
> --
> William Kenworthy <billk at ...>
> Home in Perth!
>
>
> _______________________________________________
> Openmoko community mailing list
> community at ...
> http://lists.openmoko.org/mailman/listinfo/community
>
>
> ________________________________
> This email is a reply to your post @
> http://n2.nabble.com/New-archive-file-format-%28was%3A--omgps--collect-feature-requests%29-tp3191899p3193977.html
> You can reply by email or by visting the link above.
>
>

-- 
View this message in context: http://n2.nabble.com/New-archive-file-format-%28was%3A--omgps--collect-feature-requests%29-tp3191899p3205707.html
Sent from the Openmoko Community mailing list archive at Nabble.com.



More information about the community mailing list