Hi Andreas, I also had problems to reclassify BIGTIFF with SAGA and GRASS! Finally I used GDAL!
Best regards, * <http://www.psig.es>* *Carlos López Quintanilla* www.psig.es [email protected] +34 699.680.261 2014-11-19 9:05 GMT+01:00 Andreas Neumann <[email protected]>: > Hi, > > I tried various tools, e.g. > > * SAGA reclassify > * GRASS r.mapcalc > > Both work fine on smaller data sets, but fail on big data sets. > > This is on Win7 64bit, with the OSGeo4W installer. I have 8gb RAM and 40GB > disk free on C:, more free space on other disks where the data resides. > > I am not totally sure if it is the Bigtiff issue or some other issue. It > is just a guess that maybe I am hitting a limit with tiff. It is not fully > transparent to me what Processing is doing in the background (what file > formats with what options it creates). > > It may also be an issue with SAGA or GRASS directly. > > Thanks if you know anything, > Andreas > > Am 2014-11-18 21:15, schrieb Giovanni Manghi: > > Hi, >>> >>> I am having a lot of troubles with large raster files and processing. >>> >>> The intermediate results can go >4GB. Processing stops with not so >>> helpful error messages. >>> >>> I wonder if processing is hitting the 4GB limit. Can I force processing >>> to use the BIGTIFF option or a raster format that can handle >4GB files? >>> >>> >> >> >> Hi Andreas, what tool specifically? >> >> cheers >> >> -- Giovanni -- >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-developer >> > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer >
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