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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>It seems that Microsoft (of all people) is creating this database of building shapes for the known universe. They recently completed Australia and made it available. It is in a zipped geojason file – a format that I have no idea about.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have loaded it to QGIS and it is huge. It took over 30min to load and it takes about 10min to redraw every time and I am not running it on a Pentium 4 with 8bits of ram either. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I would like to clip the data to the states of Australia which I have a vector files or maybe regions in order to get the dataset smaller so it can be more usable.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can you clip geojason files ? or would I have to covert them into something like shapefiles? Any ideas on a workflow to do this?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>BTW I am running an I7-8700 with 16mb RAM and a NVIDIA Quadro P2000.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:Papyrus;mso-fareast-language:EN-AU'>Dr Iain Stuart<o:p></o:p></span></b></p><p class=MsoNormal><b><i><span style='font-size:12.0pt;font-family:Papyrus;mso-fareast-language:EN-AU'>JCIS Consultants <o:p></o:p></span></i></b></p><p class=MsoNormal><span style='mso-fareast-language:EN-AU'>P.O. Box 2397<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-AU'>Burwood North<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-AU'>NSW, 2134<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-AU'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-AU'>(02) 9701 0191<br>(0413) 380116 (m)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>