Great, thanks for following through on this! Dane
On Jan 5, 2011, at 2:18 AM, Sisyphos wrote: > 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 _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
