Hi Dane, Thank you for your answers.
I solved my problem by restarting some services... I don't understand why... but after that it works perfect. We estimated that it needs more than a month to render our tiles without index and now it seems that we can do it in 2 or 3 days. A dramatic improvement. Thanks for this tip! 2011/1/2 Dane Springmeyer <[email protected]>: > > On Dec 31, 2010, at 8:33 AM, Sisyphos wrote: > >> Thank you for the fast replay, >> >> Sorry I meant 800 MB. not GB... >> >> I indexed all of the files with the default values and made a test >> without any significant difference (it takes with or without that >> .index files around 39 minutes to render a smaller test area from >> zoomlevel 0 to 15. This is including the same files I need to render >> the bigger area. This seems to me that the .index files are useless by >> the default parameters or not uses by mapnik anyway. > > Mapnik will use the shapefile index automatically if it exists. > >> >> So: >> (1) Do I have to set a flag within my xml file to explain mapnik to >> use that .index files? > > No. > >> (2) Or do I need to use the parameters "max tree depth" and/or "split >> ratio"? > > No, defaults should be just fine. > >> But I'm very sorry. I have no what that means, and what could >> help to improve rendering my files. >> > > How are you rendering the tiles? What operating system? How much ram/cpus? > How complex are your styles? > >> Bye, Sisyphos >>> >>> >>> On 28 December 2010 17:43, Benjamin Bruecker <[email protected]> >>> wrote: >>>> >>>> Hi, >>>> >>>> I'm currently rendering Esri shape files containing the area of >>>> Germany from zoom level 0 to 17. The result should be tiles like >>>> OpenStreetMap, but I use other data... >>>> >>>> The computer is now rendering from zoom level 0 to 16 more than a >>>> week... and its still not ready.. I renderd the same area with an OSM >>>> dump from a PostGIS database within 60 hours (this time meets my >>>> requirements). >>>> >>>> I guess for my data a spatial index is necessary for rendering. Some >>>> files are 800 GB big. For all of this files I have an shx-index file, >>>> but test didn't show any difference between rendering with mapnik with >>>> or without those shx files. I'm not sure about that, but it seems to >>>> me that mapnik doesn't use them. >>>> >>>> What would you suggest? Maybe importing those files to PostGIS? Or >>>> would you recommend to use other databases with spatial indexes that >>>> are good supported by Mapnik? >>>> >>>> Thx, >>>> Sisyphos >>>> ____ >>> >>> Hi Sisyphos, >>> ESRI index files are not supported. I suggest you use 'shapeindex' utility >>> which comes with Mapnik distro to create index files. Run with -h(--help) to >>> see program options. >>> In case of very large shapefiles consider moving data to postgresql. Did you >>> mean 800GB or 800Mb? >>> Regards, >>> Artem >>> >>>> >>>> ___________________________________________ >>>> Mapnik-users mailing list >>>> [email protected] >>>> https://lists.berlios.de/mailman/listinfo/mapnik-users >>> >>> >>> _______________________________________________ >>> Mapnik-users mailing list >>> [email protected] >>> https://lists.berlios.de/mailman/listinfo/mapnik-users >>> >>> >> _______________________________________________ >> Mapnik-users mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/mapnik-users > > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users > _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
