Nov 2008 Lucky to have (access to) a cluster? Here some notes on how to do geospatial number crunching on it a.k.a. HPC (High Performance Computing). Preparing the disks We decided to use the ext3 file system. An initial problem was the formatting of the RAID5 disk set since it exceeded the file system specifications. […]
The OSGeo ticker reports: The OSGeo board has formally approved three new local chapters. OSGeo local chapters provide a venue to support local users and developers, as well as a mechanism to further OSGeo’s mission and goals in a linguistic, or geographic area. FOSSGIS e.V. has been approved as a local chapter for the german […]
Get vector map extent You can easily grep the map extent of a vector map (bounding box): ogrinfo /cdrom/ITALY_GC.SHP ITALY_GC | grep Extent Extent: (9.299460, 43.787362) – (13.911350, 47.070188) Merge of two SHAPE files Merge of two SHAPE files ‘file1.shp’ and ‘file2.shp’ into a new file ‘file_merged.shp’ is performed like this: ogr2ogr file_merged.shp file1.shp ogr2ogr […]
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