Merge shapes from SAGA GIS (which can be used via Sextante) is quite fast, even with large shapefiles.
On Fri, Jul 5, 2013 at 10:25 PM, Giovanni Manghi < giovanni.man...@faunalia.pt> wrote: > Hi, > > > > As I've got loads of shapefiles, to define the .prj for each is not > > realistic (Vector>DataManagement Tools>Define Current Projection). I've > > looked for a bulk process to create these but without luck > > > > Do I need prj files & if so, how can I create a load of them? > > > in QGIS master you can use SEXTANTE to batch process files, so you can > use the "reproject layer" tool, and get a copy of your shapes with a > proper .prj > > Then to merge the shapes you can use QGIS, but I agree that is very > (very) slow for large shapes or large number of shapes. > > The faster tool/code I tested is > > http://gistncase.blogspot.pt/2012/05/python-shapefile-merger-utility.html > > and it would be very nice to use it to replace the actual python code > of the merge shapefiles qgis tool, see > > http://hub.qgis.org/issues/7208 > > > cheers > > -- Giovanni -- > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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