Re: [Qgis-user] Building image pyramids - qgis crashing
Mikhail Umorin pisze: It's a longstanding gdal bug for updating compressed .tiff tiles. The only known workaround is to disable compression. In Trac [1] Frank says the bug is fixed in GDAL 1.4.4 with internal libtiff, or libtiff 3.9 (from CVS). I confirm. Checked in QGIS trunk r8190, built against GDAL 1.5.0+SVN 2008-03-04 (internal libtiff). No crashes building overviews in QGIS whatsoever. Checked with several Byte and Uint16 GeoTIFFs, all having colortables, compressed with lzw, deflate or packbits. Maciek [1]https://trac.osgeo.org/qgis/ticket/605 ___ Qgis-user mailing list Qgis-user@lists.qgis.org http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-user
Re: [Qgis-user] Building image pyramids - qgis crashing
Oleg Gusev pisze: Am Samstag 08 März 2008 18:20:34 schrieb Maciej Sieczka: In Trac [1] Frank says the bug is fixed in GDAL 1.4.4 with internal libtiff, or libtiff 3.9 (from CVS). I confirm. Checked in QGIS trunk r8190, built against GDAL 1.5.0+SVN 2008-03-04 (internal libtiff). No crashes building overviews in QGIS whatsoever. please try to build the overviews for a tiled compressed 3 band geotiff (gdal_translate -co compress=deflate -co tiled=yes) It segfaults for most images i've tried using gdal-1.5.0 It does not crash for me even with 3 band, deflated, tiled tiff. I'm attaching a smallish one for you to try if it crashes your QGIS. Maciek inline: slope_rgb_dfl_tls.tif___ Qgis-user mailing list Qgis-user@lists.qgis.org http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-user
