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I am scanning with xsane and I have cases where the paper is in landscape format. The images should then be sent by e-mail.
Although I have a lot of viewer installed (gQView, gThumb, KFax, KView etc.) I do not find any application that can save the rotated tiff. GIMP can, but it cuts off the image on rotation and further creates much bigger TIFF.
Note: The TIFFs are saved in Group4 (Fax format).
I cannot believe that there is no application there which I can use to achieve this easy task.
BTW: I should have also ImageMagick installed (at least yum says) but I do not find an executable. Tried also to install XnView but it asks me for a library that I cannot find anywhere.
ImageMagick is more of a toolkit, than a monolithic application. But, you can invoke it on your tiff files with 'display filname.tif'. You can then access many forms of manipulation on the image by right-clicking on the image.
There is a manpage: man ImageMagick. A bit unusual.
Thanks a lot this at least gives me a possibility for some post-processing. I also found a link (searching for ImageMagick in the Internet) for creating multipage tiffs (unfortunately in german), here is the command for creating multipage tiffs:
tiffcp - copy (and possibly convert) a TIFF file
I just tried out The Gimp for doing rotations. I used a jpeg image, but I'm sure that is irrelevant. Anyway, I think I have solved your problem of rotating the image without cutting off parts on the long ends. There is a checkbox in the rotate dialog named 'Clip Result'. This needs to be unchecked, or the result will be as you described. Not sure about the issue of file size that you describe. Is TIFF a format that allows variable rates of compression?
Have you tried the ImageMagick 'display' tool yet?
If you have any programming ability, the ImageMagick package is very well suited to scripting languages and provides libraries for binding with many other languages. Perhaps you can embed the functionality your wife wants into a small application that she can manage.
I found that the xsane offers in addition to "Save" and "Copy" a possibility "Viewer" and I did never choose that because I thought that it would open the application associated with tiff files then.
But in reality it opens its own viewer application and there it is possible to rotate the TIFF images and the compression ratio is kept then.
Further I found that in the same combobox I can choose also to create a multipage "project". Then there is a possibility to scan multiple pages into a single resulting file. Each page can be opened with the built-in viewer before combining the pages to the final multipage tiff.
This is a solution for me - however I do not see a possibility to modify the multipage tiff afterwards. The multipage project seems to use it's own format and when a multipage tiff has been created and the (temporary) multipage project has been deleted then there is no way to get back (as far as I have seen so far ;-) ).
you could also try a program like kfax. don't have it in front of me, but i know that it at least has the ability to display a multipage tiff document. don't know how much editing ability it has offhand.