[Tilecache] Tilecase_seed.py bounding not working?

[Josh Livni]

You have 'spherical mercator=true' which means your bounding box needs to
match units (meters) and location for spherical mercator projection
(meters), rather than the lat/lon bbox you are using.  So you will want to
transform your bbox of interest from lat/lon (probably epsg:4326) to
spherical mercator (epsg:900913) and use the resulting bbox.

you can do this in openlayers if you want.  For example, you could go to
openlayers.org and zoom to about the US and type this into firebug:
map.getExtent().transform(new OpenLayers.Projection('EPSG:4326'), new
OpenLayers.Projection('EPSG:900913'))

Cheers,

 -Josh


On Mon, Jun 1, 2009 at 11:09 AM, Chad Clabaugh <cclabaugh at centwire.com>wrote:

>  I am getting the following output when I try to seed my tiles using a
> bounding box surrounding the continental united states…
>
>
>
> linux: # python tilecache_seed.py vmap0 5 12 -b "-125,24,-66,49.5" -f
>
> ###### (16, 16, 5), (16, 16, 5)
>
> Cache miss:
> -0.000799998641014,-0.000799998641014,1252344.2704,1252344.2704, Tile: x:
> 16, y: 16, z: 5, time: 0.239030122757
>
> 05 (000016, 000016) = (-0.0008 -0.0008 1252344.2704 1252344.2704) [0.2391s
> : 4.178/s] 1/0
>
> ###### (32, 32, 6), (32, 32, 6)
>
> Cache miss: -0.000799998641014,-0.000799998641014,626172.1348,626172.1348,
> Tile: x: 32, y: 32, z: 6, time: 0.21990609169
>
> 06 (000032, 000032) = (-0.0008 -0.0008 626172.1348 626172.1348) [0.2202s :
> 4.351/s] 1/0
>
> ###### (64, 64, 7), (64, 64, 7)
>
> Cache miss: -0.000799998641014,-0.000799998641014,313086.067,313086.067,
> Tile: x: 64, y: 64, z: 7, time: 0.21994304657
>
> 07 (000064, 000064) = (-0.0008 -0.0008 313086.0670 313086.0670) [0.2202s :
> 4.411/s] 1/0
>
> ###### (128, 128, 8), (128, 128, 8)
>
> Cache miss: -0.000799998641014,-0.000799998641014,156543.0331,156543.0331,
> Tile: x: 128, y: 128, z: 8, time: 0.220010042191
>
> 08 (000128, 000128) = (-0.0008 -0.0008 156543.0331 156543.0331) [0.2203s :
> 4.442/s] 1/0
>
> ###### (256, 256, 9), (256, 256, 9)
>
> Cache miss: -0.000799998641014,-0.000799998641014,78271.51615,78271.51615,
> Tile: x: 256, y: 256, z: 9, time: 0.219614982605
>
> 09 (000256, 000256) = (-0.0008 -0.0008 78271.5162 78271.5162) [0.2199s :
> 4.462/s] 1/0
>
> ###### (512, 512, 10), (512, 512, 10)
>
> Cache miss:
> -0.000799998641014,-0.000799998641014,39135.757675,39135.757675, Tile: x:
> 512, y: 512, z: 10, time: 0.220409154892
>
> 10 (000512, 000512) = (-0.0008 -0.0008 39135.7577 39135.7577) [0.2207s :
> 4.473/s] 1/0
>
> ###### (1024, 1024, 11), (1024, 1024, 11)
>
> Cache miss:
> -0.000799998641014,-0.000799998641014,19567.8784375,19567.8784375, Tile: x:
> 1024, y: 1024, z: 11, time: 0.21924996376
>
> 11 (001024, 001024) = (-0.0008 -0.0008 19567.8784 19567.8784) [0.2195s :
> 4.484/s] 1/0
>
>
>
> And here is my config…
>
>
>
> [vmap0]
>
> type=MapServerLayer
>
> layers=coverage
>
> bbox=-125,24,-66,49.5
>
> mapfile=/srv/www/htdocs/mapserver/ftw.map
>
> metaTile=true
>
> metaSize=2,2
>
> metabuffer=0,500
>
> spherical_mercator=true
>
> srs=EPSG:4326
>
>
>
> Any thoughts as to what I may be doing wrong?  Thanks!
>
>
>
>
>
> Chad Clabaugh
>
> Mobile: 260.466.8861
>
>
>
> _______________________________________________
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> http://openlayers.org/mailman/listinfo/tilecache
>
>
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