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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Does this bug that has just been fixed solve any of your problems?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><a href="http://hub.qgis.org/issues/8356"><span lang="EN-US">http://hub.qgis.org/issues/8356</span></a><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have lots of vrt files with overviews built, and they were taking forever to load in QGIS master. Now they open quickly again like in 1.8.</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Fra:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> qgis-user-bounces@lists.osgeo.org [mailto:qgis-user-bounces@lists.osgeo.org]
<b>På vegne av</b> Jonathan Moules<br>
<b>Sendt:</b> 20. august 2013 13:10<br>
<b>Til:</b> qgis-user@lists.osgeo.org<br>
<b>Emne:</b> [Qgis-user] Large raster datasets in 2.0<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi list, <o:p></o:p></p>
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<p class="MsoNormal"> We have some large raster datasets that are mosaiced into a single product. QGIS 1.7 (and I think 1.8) could access these in JP2 or ECW, but 2.0 doesn't seem to be able to (or maybe that's a limitation of the weeklies and the final thing
will be compiled with it?).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Due to the size of the rasters combined with a bug in GDAL that causes it to take literally a month to process the overviews for super-large rasters (about 450,000 * 440,000), we can't create them as a GeoTIFF.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So the question - how do I use super-large rasters as a single contiguous dataset in QGIS 2?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Jonathan<o:p></o:p></p>
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