[Tilecache] Pregenerated tiles

[Alexandre Dube]

Ok I'll try that, thanks a lot Guillaume.

Alexandre

Guillaume Sueur wrote:
> ok, then it's the amount of memory used by the operation which is too
> high for your system. Consider decreasing the metatile size or use
> metatile false
>
> Guillaume
>
> Alexandre Dube a écrit :
>   
>> 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