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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'>Andreas,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Yes I would expect them to give the same result.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>What version of raster2pgsql are you running? It should tell you if you run raster2pgsql without any args.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Also what platform are you on? Any chance you have some of those tiles available so we can check it out?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Andreas B <panden@gmail.com> <br><b>Sent:</b> Thursday, December 12, 2024 6:17 AM<br><b>To:</b> postgis-users@lists.osgeo.org<br><b>Subject:</b> Importing tiles with raster2pgsql<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi all,<br><br>I have a dataset with several hundred tiles (GeoTIFFs) that make up a digital terrain model.<br>Each tile is 0.5d x 0.5d.<br><br>I tried to load these GeoTIFFs to PostGIS with:<br><br>$ raster2pgsql -s 32631 -I -M -F -C -t auto -d -l 2,4,8,16,32 tif/*.tif (1)<br><br>The data was loaded, but when viewing in QGIS, it looked like jagged lines with areas of white overlain by pieces of neighboring tiles, etc.<br>This didn't look right.<br>I also noticed that for each tif, the constraints were printed.<br>I expected this to be done once, after the last tile was loaded.<br><br>I then created a virtual raster with gdalbuildvrt:<br><br>$ gdalbuildvrt merge.vrt tif/*.tif (2)<br><br>And then used raster2pgsql to load in the vrt:<br><br>$ raster2pgsql -s 32631 -I -M -F -C -t auto -d -l 2,4,8,16,32 merge.vrt | psql (3)<br><br>The data was loaded, and looked good in QGIS.<br><br>Shouldn't commands (1) and (3) give the same results, or am I misunderstanding?<br><br>Best, Andreas<o:p></o:p></p></div></div></div></body></html>