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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>I cannot answer for that. If anyone had this problem and fixed it, I would like to know how they have done it. <o:p></o:p></p><p class=MsoPlainText>Moreover, When I tries to store raster data outside the database, I could not even add the layer from QGIS. When I tried to add the layer using postgis plugin, I find raster layer related columns (pixel type, is extrernal file, pixel size x, pixel size y in the “load potgis raster layer “ interface, has values none. I must have done something wrong. When I add this raster layer, QGIS crashes.<o:p></o:p></p><p class=MsoPlainText>Here is the syntax I have used:<o:p></o:p></p><p class=MsoPlainText><span lang=EN style='font-family:"Courier New";color:#2E2E2E'>raster2pgsql -I -R -e -Y -F -s 26986 -t 128x128 c:\PostGIS\raster\dowell.jpg public.raster | psql -U postgres -d gisdb -h localhost -p 5432<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN style='font-family:"Courier New";color:#2E2E2E'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN style='font-family:"Courier New";color:#2E2E2E'>Anything wrong with it. Thanks.</span><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Date: Mon, 30 Jul 2012 12:16:52 +0200<o:p></o:p></p><p class=MsoPlainText>From: Paolo Cavallini <<a href="mailto:cavallini@faunalia.it">cavallini@faunalia.it</a>><o:p></o:p></p><p class=MsoPlainText>Subject: Re: [postgis-users] view raster data and query performance<o:p></o:p></p><p class=MsoPlainText>To: <a href="mailto:postgis-users@postgis.refractions.net">postgis-users@postgis.refractions.net</a><o:p></o:p></p><p class=MsoPlainText>Message-ID: <<a href="mailto:50165F14.6060909@faunalia.it">50165F14.6060909@faunalia.it</a>><o:p></o:p></p><p class=MsoPlainText>Content-Type: text/plain; charset="iso-8859-1"<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Il 27/07/2012 23:22, Melpati, Muni ha scritto:<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> I have also changed postgresql.config file to improve the performance <o:p></o:p></p><p class=MsoPlainText>> with no noticeble difference. Can anyone faced this problem or have <o:p></o:p></p><p class=MsoPlainText>> any suggestion to improve the performance? Thanks in advance.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>Agreed, it is so slow to be barely usable in real world. I suppose this is due to the GDAL provider, right?<o:p></o:p></p><p class=MsoPlainText>All the best.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>--<o:p></o:p></p><p class=MsoPlainText>Paolo Cavallini - Faunalia<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>