[Tilecache] Pregenerated tiles

[Guillaume Sueur]

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 ) ?
>>>>>>>>>
>>>>>>>>>                                         
>>>>>>>>                                 
>>>>>>>                         
>>>>>             
>>>>         
>>>     
>>
>>   
> 
>