[Xastir] Announcing tile support for OSM

[Jerry Dunmire]

Brett and Curt,
The only problem is that bulk downloads are strongly discouraged, and
expressly prohibited for some zoom levels, by
the OSM tile servers. See the policy at
http://wiki.openstreetmap.org/wiki/Tile_usage_policy

Of course other tile servers may have different policies, and I know
of at least one
program that appears to violate the policy.

Not that I would ever suggest anyone should violate the policy, but I
would hope that if they
did they would not use the XASTIR user-agent setting.

...jerry


On Wed, Jul 28, 2010 at 4:46 PM, Curt, WE7U <curt.we7u at gmail.com> wrote:
> On Wed, 28 Jul 2010, Brett Friermood wrote:
>
>> I am wondering, though, if there is a way to download a large area
>> of tiles explicitly for offline use?
>
> I just thought of a sneaky way:  Write a Perl or Python script which
> uses xastir_udp_client to send packets into Xastir.  Set up Xastir
> to track the object.  Have the object run along the map in a zig-zag
> pattern across the area of interest.  Repeat at each zoom level
> you're interested in.  That will force caching of the tiles of
> interest.  Yea, you can tell I lost too much sleep last night
> playing with code...
>
> Of course it would be easier/more efficient to write a block of code
> for Xastir to just snag the tiles over a region and between two zoom
> levels.  Or a separate outside program to do the same and then force
> Xastir to think it cached them.
>
> --
> Curt, WE7U.                         <http://www.eskimo.com/~archer>
>   APRS:  Where it's at!                    <http://www.xastir.org>
>  Lotto:  A tax on people who are bad at math. - unknown
> Windows:  Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me:  I picked the coordinate system!"
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