[Tilecache] Pregenerated tiles
Alexandre Dube
adube at mapgears.com
Wed Nov 5 16:44:10 EST 2008
Hi Guillaume,
It was already set to :
MAXSIZE 4096
Is it to ok ?
Alexandre
Guillaume Sueur wrote:
> Hi Alexandre,
>
> I think your MAXSIZE is too short in your mapfile (main MAP section)
> It should allow images up to 1300 x 1300 to be drawn.
> Try to set it to 1500
>
> Regards,
>
> Guillaume
>
> Alexandre Dube a écrit :
>
>> Hi Guillaume,
>>
>> I get the following after around 30 seconds of running :
>> ...
>> ...
>> Cache miss: 196426.56206,5380743.03968,196878.117371,5381194.59499,
>> Tile: x: 15, y: 15, z: 4, time: 1.48284912109
>> 04 (000015, 000015) = (196426.5621 5380743.0397 196878.1174
>> 5381194.5950) [1.4831s : 4.280/s] 61/247
>> Traceback (most recent call last):
>> File "./tilecache_seed.py", line 9, in <module>
>> TileCache.Client.main()
>> File "/home/mapgears/tilecache/TileCache/Client.py", line 108, in main
>> seed(svc, base, layer, map(int, sys.argv[3:5]), map(float,
>> sys.argv[5].split(",")))
>> File "/home/mapgears/tilecache/TileCache/Client.py", line 92, in seed
>> svc.renderTile(tile)
>> File "/home/mapgears/tilecache/TileCache/Service.py", line 138, in
>> renderTile
>> data = layer.render(tile)
>> File "/home/mapgears/tilecache/TileCache/Layer.py", line 429, in render
>> image = self.renderMetaTile(metatile, tile)
>> File "/home/mapgears/tilecache/TileCache/Layer.py", line 391, in
>> renderMetaTile
>> data = self.renderTile(metatile)
>> File "/home/mapgears/tilecache/TileCache/Layers/MapServer.py", line 51,
>> in renderTile
>> mapImage = wms.draw()
>> File "/home/mapgears/fgs-5.2.0/www/lib/python2.5/mapscript.py", line
>> 1363, in draw
>> def draw(*args): return _mapscript.mapObj_draw(*args)
>> _mapscript.MapServerError: msDrawMap(): Image handling error. Failed to
>> draw layer named 'mos'.
>> msDrawRasterLayerGDAL(): Memory allocation error. Allocating work image
>> of size 1300x1300 failed.
>>
>> Do you know what can cause this ? I use metaTile=true with default
>> settings.
>>
>> Thanks a lot for your help,
>>
>> Alexandre
>>
>> Guillaume Sueur wrote:
>>
>>> cache miss is the normal message for non-existing tiles.
>>>
>>>
>>> Alexandre Dube a écrit :
>>>
>>>
>>>> I see,
>>>>
>>>> I've got a lot of "cache miss" message and finally a "Memory
>>>> allocation error". I'll try to find out why.
>>>>
>>>> Thanks for the tip,
>>>>
>>>> Alexandre
>>>>
>>>> Guillaume Sueur wrote:
>>>>
>>>>
>>>>> that's what tilecache_seed.py does.
>>>>>
>>>>> See http://tilecache.org/readme.html#seeding-your-tilecache
>>>>>
>>>>> Guillaume
>>>>>
>>>>> Alexandre Dube a écrit :
>>>>>
>>>>>
>>>>>
>>>>>> Hi Guillaume,
>>>>>>
>>>>>> I don't know what tileseed.py is. What I would like to do is generate
>>>>>> all tiles for all resolutions of my raster layer in tilecache. Is
>>>>>> there
>>>>>> a way to do this ?
>>>>>>
>>>>>> Many thanks,
>>>>>>
>>>>>> Alexandre
>>>>>>
>>>>>> Guillaume Sueur wrote:
>>>>>>
>>>>>>
>>>>>>> you mean the tileseed.py stuff ?
>>>>>>>
>>>>>>> Alexandre Dube a écrit :
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> Hi list,
>>>>>>>>
>>>>>>>> Is there a way, using command line, to pre-generate all tiles of a
>>>>>>>> layer in tilecache.cfg file ( with its resolutions and extent ) ?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>
>>>>
>>>
>>>
>>
>
>
--
Alexandre Dubé
Mapgears
www.mapgears.com
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