[OpenLayers-Users] caching script

[Paul Spencer]

Brent,

Chris hooked up a 'kamap' cache layer

Cheers

Paul

On 19-Oct-06, at 1:39 PM, Brent Pedersen wrote:

> hi, i have a python caching script hacked up for openlayers here:
> http://128.32.253.248/openlayers/tilecache.txt
> and demo here: http://128.32.54.87/openl.html (non-cached tiles are  
> _sloooow_ )
>
> it splits into directories for caching by the url:   
> &layers=abcd&request=wms becomes: /layers__abcd/request_wms/
> and it splits up the spatial parameters so that there are never >  
> 1000 files
> per directory. meaing &x=12345 becomes /x_12/345/  where x is the  
> tile_number.
>
> if the files are saved in a web dir, once all tiles are known to be  
> cached, you can potentially circumvent the caching script (and the  
> WMS) by just creating the url to the cached image directly in  
> javascript... [i have not implemented this yet, but should be < 15  
> lines of .js]
>
> right now works for WMS and MapServer after modification of / 
> OpenLayers/Tile/Image.js  (copy and paste from the docstring in the  
> python code linked above and change the url to point to your  
> version of tilecache.py ).
>
> It could be better integrated into the openlayers api but then it  
> wouldnt be a hack.
> and i thought before i put more time into it, i thought i'd check  
> to see if this has already been done for OL. or if anyone has ideas.
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users

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|Paul Spencer                          pspencer at dmsolutions.ca    |
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|Chief Technology Officer                                         |
|DM Solutions Group Inc                http://www.dmsolutions.ca/ |
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