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May 2004
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2004.05.13 09:49 "Re: Easy and low resource rotating of tiff images", by Andrey Kiselev
On Thu, May 13, 2004 at 11:09:25AM +0200, Steven Enderle wrote: > that was what i did first, but, as you say, our viewer ignores that. > So we need to rotate the image itself. Do you know of any solution? > > Rob van den Tillaart wrote: > >How much degrees do you want them to rotate 90, 180, 270 or an > >arbitrary number? > > > >If it is only steps of 90 degrees it is also possible to change the > >orientation tag, however not all viewers support all values. Can be > >checked quite easily. Steven, But you are still not answered, how much degrees you want to rotate. If it is 90x rotation you can use Orientation tag and tiff2rgba utility (from libtiff package). You will get rotated result as an output. Of course, it is possible you don't want to convert your images in RGB color space... Andrey -- Andrey V. Kiselev Home phone: +7 812 5274898 ICQ# 26871517