Isn't there some sort of limit on what amount of time a request can take to complete in app engine? If this applies to uploading too, then the whole app engine porting is pretty much useless.
IMHO app engine doesn't contain the zip handling stuff. 2008/7/5 spaetz <[EMAIL PROTECTED]>: > On Fri, Jul 04, 2008 at 03:15:48PM -0500, Ian Dees wrote: >> On Fri, Jul 4, 2008 at 3:24 AM, spaetz <[EMAIL PROTECTED]> wrote: >> >> > On Thu, Jul 03, 2008 at 02:49:24PM -0500, Ian Dees wrote: >> > > What are the tilesGen.pl modifications? I've been working on a similar >> > > thing, but for Google AppEngine (also in Python). >> > >> > Ahh. as I do it in django, we seem to be basically doing the same thing >> > :-). oops.. Join forces? >> >> >> Sounds good to me. One limitation with AppEngine is that you can't zip/unzip >> tilesets, so the client needs to be modified more extensively to upload >> individual tiles or the whole tilestrips. I like your implementation better >> so far :) > > Thanks. Doesn' AppEngine contain the standard python libraries? In any case, > my implementation can deal with any archive that can be uncompressed. In the > long term it woulg be great if the client could upload tileset files > directly, but I took a more evolutionary approach. Uploading z12 tilesets > seams to work flawlessly now. Of course I have no idea yet how the tile > serving from a tileset file scales yet. tests will be needed. > > Tileset file description > ======================== > I have a converter that converts the single tiles into tileset files. Tileset > files contain. > > 0: a tileset file version(currently 1), so I can modify the file format at a > later point > 2: user id of user who uploaded the thing > 4: offset of tile 1 (z0x0y0) > 8: offeset of tile 2 (z1x0y0) > 12 offset of file 3 (z1x1y0) > ... > 5468:offset after tile 1365(points to end of file) > 5472:data png1 > ... > > offset is either a pointer to the file position where the png data is, or it > can also be a blankness value: > 0=unknown > 1=land > 2=sea > 3=transparent (not implemented yet) > > There are no recursive blankness lookups, all blank tiles in a tilesetfile > will have the blankness set. I plan to maintain a database of completely > blank tilesets, to save the 6kb files in the pacific ocean etc, but that's > not implemented yet. > > spaetz > > P.S. I will try to put all this in the wiki soon > > _______________________________________________ > Tilesathome mailing list > [email protected] > http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/tilesathome > -- Lauri Hahne _______________________________________________ Tilesathome mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/tilesathome
