[Xastir] no zoom levels under 15 with osm maps

[Jerry Dunmire]

Yes, I have started to look at using the tile servers. I expect much better
performance when using cached tiles.

73,
...jerry
KA6HLD

On Mon, Jun 28, 2010 at 12:30 PM, Curt, WE7U <curt.we7u at gmail.com> wrote:
> On Sat, 26 Jun 2010, Piotr Gluszenia Slawinski wrote:
>
>> i've tried downloading cvs version (1.9.9) and using with osm maps,
>> it works quite out of box, except zooming beyond level ~15 doesn't work.
>>
>> i am using opencyclemap.
>>
>> btw. scrolling is horrible slow...
>> there is recently avail software called 'navit' and 'tangogps'
>> which has _much_ faster map (and poi) display routines,
>> perhaps their code could be used as inspiration ?
>>
>> also 'navit' can display 'compiled' .osm vector maps (at stunning speed
>> compared to xastir, even on 'old pentium' with 64M ram)
>
> We're not taking advantage of servers that provide "tiles" of map
> images at this point.  We're only using servers that provide the
> full image that we need.  I don't recall now whether Jerry was
> thinking about looking into using tiles, but if so we could then
> cache those tiles as well and zooming/panning would then involved
> downloading only the tiles needed to complete the image.
>
> Until then, if you have map caching compiled in, restrict yourself
> to using the PageUp/PageDown and arrow keys and the caching should
> give you some serious speed after you've retrieved each map image
> that you regularly use once.
>
> --
> Curt, WE7U.                         <http://www.eskimo.com/~archer>
>   APRS:  Where it's at!                    <http://www.xastir.org>
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