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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There are no hard limits. ogr2osm will happily load up files so large everything gets paged out into swap. As a practical limit I find I can generate .osm files up to 50% larger (25G) than my physical memory without it slowing down. If you’re using a 32bit python that could be the issue.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If you plan to open the created files in JOSM then ogr2osm should never be a limitation. JOSM becomes unbearably slow with a .osm file of a couple gigs and >8GB of RAM assigned to it. I can’t imagine with a 25GB file how you’d be able to get anything done with it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’d suggest cutting the shapefile with ogr2ogr into reasonable sized chunks. You’ll want a smaller area for testing purposes as you develop your translations anyways<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> emux [mailto:devemux86@gmail.com] <br><b>Sent:</b> Tuesday, February 05, 2013 9:24 AM<br><b>To:</b> openstreetmap@googlegroups.com<br><b>Cc:</b> imports@openstreetmap.org; Andrew Guertin; penorman@mac.com<br><b>Subject:</b> Re: [Imports] ogr2osm updates<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Paul,<br><br>I try ogr2osm with a large shp file of a country detailed road network but python stops the process at 'Parsing data' with 'MemoryError'.<br>The shp file has size: shp is 180MB and dbf is 1.6GB with over 1.1 million rows.<br>I use python32 at Win7 64bit.<br><br>I know it is quite big. I only managed to produce the osm with the help of java shp-to-osm <a href="https://github.com/iandees/shp-to-osm">https://github.com/iandees/shp-to-osm</a> which seems to split the process with max nodes per osm file.<br><br>At <a href="http://wiki.openstreetmap.org/wiki/Ogr2osm">http://wiki.openstreetmap.org/wiki/Ogr2osm</a> I read 'In March 2010 Ivansanchez was reported to be working on a revamped version of ogr2osm that would be much slower (10x) but would hold all the data in a SQLite database instead of in memory. pnorman's ogr2osm will work on very large files, given enough ram'.<br>Is there a ogr2osm version which works with large files? And what are actually the limits of your version?<br><br>Thanks!<o:p></o:p></p></div></div></body></html>