Thanks Rob for your help. I will try these out and let you know if I have any further issues.
Thanks again, Angel > From: lyx-devel at oak-tree.us > Date: Mon, 1 Nov 2010 12:08:25 -0600 > To: scribus at lists.scribus.info > Subject: Re: [scribus] Printing Issues with Scribus > > Hi Angel, > > There are several issues here. > > 1.) Which program are you using to print the PDF? Make sure that your paper > size in Scribus matches that available for your printer. If using Adobe > Reader, there is a "Scale to Paper" option available in the printing dialog. > Though it may distort your document somewhat, this will ensure that it > matches the paper size selected. > > 2.) The problem is the resolution of the images. Even if you increase the > DPI in GIMP, it isn't going to correct the problem. You are, in effect, > trying to add data that isn't present. > > If the images are from the Internet, it is important to remember that > photography is usually downsampled before posting to a website. Once an > image has been downsampled, you can't improve the resolution by trying to > upsample it again. The additional pixels have been removed. They're gone > forever. The upsampling algorithm tries to guess (interpolate) what they > might have been, but is usually very hit or miss. My experience with the > interpolation algorithm in GIMP is that it is mostly miss. Which means that > the image still appears blurry and crappy, just larger. > > But that doesn't mean they can't be salvaged. You might have some luck > running them through a couple of filters. For starters, if the images are > jpegs, run them through a denoising filter. JPEG uses a compression > algorithm that causes distortion. When you upsample an image, this becomes > very obvious. I'm not sure what GIMP offers, but look for "Remove JPEG > artifact" or something to that effect. You might also consider using a > median filter, set to 2 or 3 pixels. > > After you have run it through a denoising filter, then run a sharpening > filter on the image. This will help to restore some of the detail so that it > doesn't look quite so blurry. Play with the options until you are happy with > the result. > > If you can't salvage the image in color, you might convert it to black and > white. It's more tolerant of grainy photographs. > > Please remember, though, that these are stop-gap measures. If the image > appears crappy, no amount of digital manipulation will restore it to pristine > quality. The best option is to get a copy of the original, high resolution > image. You might have to pay for it. > > For a book project I'm working on, I've been horrified at the amount of money > museums and collections will charge for high resolution images (mostly public > domain works). But that is how the system works. Someone has to take care > of the documents, and that costs money. > > If you are on a stringent budget, consider looking at Wikimedia commons. > They have a number of high quality images that you can download without > paying royalties for and you might be able to find an alternative. This > includes some absolutely brilliant shots and historical material. (Thousands > of high quality images from the London Illustrated Times, for example, are > housed there. The Illustrated Times was a weekly publication that covered > world events throughout the entire 18th century and it is a goldmine of > historical photography, engravings, and other information.) Mind the > license, though. Many are released under Creative Commons terms which > preclude their use in a commercial project. > > Cheers, > > Rob Oakes > _______________________________________________ > scribus mailing list > scribus at lists.scribus.info > http://lists.scribus.info/mailman/listinfo/scribus -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.scribus.info/pipermail/scribus/attachments/20101101/1e1268c5/attachment.htm>
