On Feb 2, 2008 4:38 PM, Otto Dassau <[EMAIL PROTECTED]> wrote: > Hi, > > I try to import a 1GB Shapefile and the geometries seem to be in a really > bad condition. Building topology GRASS exits after 30 hours with an OUT OF > MEMORY! error (see below). > > Can someone give me hint, what I could do, to import this file? Using -c or > -f flag is no option, because I would like to use GRASS to clean the data as > far > as possible automatically and I wouldn't like to split the file into > subregion, > if I don't have to. > > The PC I use is a dual core 1,8MHz with 4GB RAM and 1.6GB swap. Is this still > not enough or can I change something in GRASS (extend or change memory > parameter) to finish the import? I used a svn version from yesterday. > > below you see parts of the 230MB log file: > > thanks > Otto > > ############# part of logfile > > Projection of input dataset and current location appear to match > Layer: schutzgebiete > Importiere 886619 Objekte der Karte... > WARNUNG: Area size [1.1e-05], area not imported > WARNUNG: Area size [5.0e-06], area not imported > WARNUNG: Area size [1.1e-05], area not imported > WARNUNG: Area size [8.6e-05], area not imported > WARNUNG: Area size [7.1e-05], area not imported > WARNUNG: Area size [2.5e-05], area not imported > WARNUNG: Area size [3.9e-05], area not imported > WARNUNG: Area size [6.6e-05], area not imported > [...]
Did you enable snapping? Above micro areas may indicate gaps and slivers. Perhaps snapping helps, e.g. snap=0.0001 Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
