El Dilluns, 7 de maig de 2012, a les 16:58:27, Carlos Fernandez va escriure: > trying to split a pdf into page images using pdftoppm. I would like > the resulting images to maintain the same size and scale as the source > PDF. unfortunately the images being generated are somewhat > unexpected. > > using "-r 150" (or just relying on the default value of 150) to create > an image on a 8.5x11 inch pdf generates an image that is 1275 × 1651 > pixels at 150dpi. > > using "-r 240" to create an image on the same 8.5x11 inch pdf > generates an image that is 2040 x 2640 pixels at 239.97 dpi.
Hmmm, really? 2040/8.5 = 240 not 239.97 2640/11 = 240 not 239.97 > > these results were consistent for png or tiff output. I got similar > results for other dpi settings across a few different PDFs. > > What can i do to get more consistent results? What's inconsistent? Albert > > Carlos > _______________________________________________ > poppler mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/poppler _______________________________________________ poppler mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/poppler
