On Mon, 2008-10-13 at 17:07 -0700, Hamish wrote: > Nikos Alexandris wrote: > > Dear All, apologies for the cross-posting but I have trouble to work > > with a BIG shapefil (~160MB). I already used that shapefile in the past > > without problems. But now I can't use it. > > ? what changed? did you install a new version of GDAL/OGR? > I use 400mb shapefiles without problem..
Yes. Last time I used this file was some months ago (but the file is the same... :-?). > > In GRASS: I (almost) managed to import in GRASS this BIG shapefile but > > the process *stucks* somewhere at "breaking intersections" point (...it > > was running for 10 hours). I broke the process and the file was in > > GRASS' database. I run v.build but it still is problematic. I can't get > > anything on-display. > > It just takes a long time when lines are very long and unbroken. It > eventually gets there. > > See Radim's vector TODO: > http://trac.osgeo.org/grass/browser/grass/trunk/doc/vector/TODO#L242 > > and search the archives for the "Florida Coastline" problem. I am reading... > > > the v.in.ogr spatial= option might help. > > > > In QGIS: when I try to load directly the shapefile (not the GRASS > > vector) my system freezes!! I haven't seen my linuxbox frozen since I > > don't remember when. What could cause such behaviour? > > Is there anyway to get the shapefile fixed out of GRASS? > > once loaded into GRASS you can run the v.split command to split the long > lines, then it is much faster (at least for other grass commands). > Thanks for the tip. > > Hamish Regards, Nikos _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user