Hi, you could try a gdalinfo on one of your tiff and see the output. Usually overviews are saved into different pages.
Cheers, Daniele == Our support, Your Success! Visit http://opensdi.geo-solutions.it for more information. == Ing. Daniele Romagnoli Senior Software Engineer GeoSolutions S.A.S. Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 1660272 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- On Wed, Jan 15, 2014 at 4:26 PM, Andrea Peri <[email protected]> wrote: > Hi, > thx for hints. > > I'm not sure that the gdal overview are the same of pyramid tiff. > My tiff are all multipages. > > There is same information about the overview of gdal ? > > > > > 2014/1/15 Daniele Romagnoli <[email protected]> > >> Hi Andrea, >> you may consider using >> "gdal_translate -b 1 -b 2 -b 3 inputTiff outputTiff" >> >> I assume you are referring to overviews, right? >> In that case, gdal_translate won't copy overviews so you are lucky :) >> >> You may also consider adding tiling with "-co TILED=YES" to the previous >> command: >> "gdal_translate -b 1 -b 2 -b 3 -co TILED=YES inputTiff outputTiff" >> >> Default tiling is 256x256; you may specify different one with -co >> BLOCKXSIZE=nnn -co BLOCKYSIZE=mmm >> >> Hope this helps. >> Cheers, >> Daniele >> >> >> == >> Our support, Your Success! Visit http://opensdi.geo-solutions.it for >> more information. >> == >> Ing. Daniele Romagnoli >> Senior Software Engineer >> >> GeoSolutions S.A.S. >> Via Poggio alle Viti 1187 >> 55054 Massarosa (LU) >> Italy >> phone: +39 0584 962313 >> fax: +39 0584 1660272 >> >> http://www.geo-solutions.it >> http://twitter.com/geosolutions_it >> >> ------------------------------------------------------- >> >> >> On Wed, Jan 15, 2014 at 12:01 PM, Andrea Peri <[email protected]>wrote: >> >>> Hi, >>> >>> I have a lot of huge tiff not-gereferenced raster. >>> These tiff are all with 4 bands (RGBA) and 10 pyramids inside. >>> >>> I need to remove the piramids and retrieve a new tiff version without >>> the piramids and with only 3 bands (RGB). >>> >>> Usually this work is do using imagemagick or vips, but I like to try to >>> use the gdal-translate to do this. >>> But Im not sure , because the tiff are not georef and also I'm not sure >>> if >>> gdal is capable to read a 4 pyramid tiff and generate a 3 not-piramid >>> tiff. >>> >>> Thx for every hints. >>> >>> -- >>> ----------------- >>> Andrea Peri >>> . . . . . . . . . >>> qwerty àèìòù >>> ----------------- >>> >>> _______________________________________________ >>> gdal-dev mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/gdal-dev >>> >> >> > > > -- > ----------------- > Andrea Peri > . . . . . . . . . > qwerty àèìòù > ----------------- >
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