On 12-02-17 3:25 PM, ahmet temiz wrote: > hello > > how can I divide a big shape file into 5 equal pieces using ogr2ogr ? You could use shp2tile to split your shp into equal parts: http://imaptools.com/download-software.html -jeff -- Jeff McKenna MapServer Consulting and Training Services http://www.gatewaygeomatics.com/