On Mon, 25 Apr 2011 20:54:16 +0200 [email protected] wrote: | Theoretically, a PDF might contain raster images of various resolution. | Practically speaking, however, this will seldomly be the case. In the | easiest case, a PDF will just binds(scanned) TIFFs of one and the same | resolution. If the PDF is produced by a printer driver or distilled fom | a PostScript file, one will generally define fixed resolutions for | raster images and black and white images. | | So I guess there generally *is* something like an ideal resultion for an | PDF when being converted to a raster image. But this is more of a | Ghostscript problem than a problem of ImageMagick. | | If your PDF just binds raster images, you should give pdfimages from | Xpdf a try, which losslessly extracts them from the PDF, extracting the | accordings streams. | | Wolfgang Hugemann
I did not know that Xpdf can extract the images from PDF losslessly. Hmmm the package does not even require the use of ghostscript! I wonder how it is processing PDF files? Can you give us an example of extracting exact images from a PDF? Anthony Thyssen ( System Programmer ) <[email protected]> -------------------------------------------------------------------------- At 300 dpi you can tell she's wearing a swimsuit. At 600 dpi you can tell it's wet. At 1200 dpi you can tell it's painted on. I suppose at 2400 dpi you can tell if the paint is giving her a rash. -- Joshua R. Poulson -------------------------------------------------------------------------- Anthony's Castle http://www.ict.griffith.edu.au/anthony/ _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
