You know you can have a single file with many overview levels, right? Why so many files?
On Fri, Nov 16, 2012 at 7:56 PM, Billy Newman <[email protected]> wrote: > In general I having problems generating big tiffs in a timely manner. > > I also have the following scenario in which I am trying to create an > overview tiff from some already existing tiffs. > > image.tif (524288, 262144) > image.tif.ovr > image.tif.ovr.ovr > image.tif.ovr.ovr.ovr > image.tif.ovr.ovr.ovr.ovr > image.tif.ovr.ovr.ovr.ovr.ovr > image.tif.ovr.ovr.ovr.ovr.ovr.ovr > image.tif.ovr.ovr.ovr.ovr.ovr.ovr.ovr > image.tif.ovr..ovr.ovr.ovr.ovr.ovr.ovr.ovr > > Each overview is a factor of 2 smaller. > > When I create the final tiff with overviews: > > gdal_translate image.tif image_w_overview.tif -co COPY_SRC_OVERVIEWS=YES > > I assume that the destination tiff needs to be completely recreated. > This is taking a really long time. > day. > > Any ideas on how I can create this final overview tiff in a more > timely manner as well. > > Is my file just too big to expect the overview to be created faster? > > Thanks again! > > On Fri, Nov 16, 2012 at 1:18 PM, Even Rouault > <[email protected]> wrote: >> Le vendredi 16 novembre 2012 21:12:07, Billy Newman a écrit : >>> I have a process that is stitching together a lot of tif files to >>> create on big tif. >>> >>> I am doing: >>> >>> gdalbuildvrt output.vrt *.tif >>> gdaltranslate -co COMPRESS=LZW output.vrt final.tif >>> >>> Any more options that I can throw at gdaltranslate to speed up the >>> translation? >> >> If your target TIFF has very large dimensions, it might perhaps be helpful to >> make it tiled with -co TILED=YES . >> >>> >>> Thanks! >>> _______________________________________________ >>> gdal-dev mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/gdal-dev > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
