On Mon, Oct 6, 2008 at 10:00 AM, Florian Hübner <[EMAIL PROTECTED]>wrote:
> This solution was beyond all expectations though: > ************************************ > time thumbnail -h 800 -w 1000 /scratch/000.tiff /scratch/tmp.tiff ; time > convert /scratch/tmp.tiff /scratch/011.png > ************************************ > > 0.7 seconds! > Now thats impressive... > Since "thumbnail" is a TIFF-specific program, part of LIBTIFF, it is not surprising that it far outperforms ImageMagick, a generalized program. http://www.libtiff.org/man/thumbnail.1.html I *think* that thumbnail never loads the entire image into memory, but instead loads a few lines at a time, computes the thumbnails of those lines and then discards them. _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
