Adrian Johnson wrote : > > The PDF files do not contain any images (except for the thumbnail > images). The scanned image has been converted a vector format by drawing > lots of closely spaced parallel lines. You can see this if you zoom in > on the page. I assume this is for printing on a pen plotter. > > You can create an image from each PDF page with pdftoppm. After > converting to PNG this results in a much smaller and faster to render > image but it does lose the shading effects that were created by the > hatching. >
Hello Adrian, Thanks for the explanation. Is there a tool I could use to display the number of parallel lines and their coordinates ? Thanks, Jean-Claude _______________________________________________ poppler mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/poppler
