Hi, yes, I also thought of something similar, but the result is that gs produces slides which are not "smooth", i.e. you can almost see the pixels. You can increase the resolution but this makes also the "slides" heavier and then you run into the same snag...
Thanks Pau 2008/3/19, Alexandre Ratchov <[EMAIL PROTECTED]>: > On Tue, Mar 18, 2008 at 10:18:30PM +0100, Pau Amaro-Seoane wrote: > > Hi, > > > > very often I have to give a talk about my work etc... The slides > > contain a lot of math equations, plots and even sometimes some movies. > > > > I was used to latex-beamer to do all this because I want something I > > can edit with vi(m) and it fulfilled all requisites ... and I was used > > to it when I was using linux. > > > > I have switched to OpenBSD since some 1.5 years and I am very happy to > > report here, by the way, that OpenBSD _does_ start X on the projector > > where most linux peecees and macs fail :) BUT -and this is the main > > reason to write now- the pdf slides created with latex-beamer "feel > > heavy"... What I mean is that when using full screen (with xpdf or > > kpdf etc) it takes some 3-4 seconds to change a slide. I don't know > > why... I can provide you with a test talk, so that you udnerstand what > > I mean. > > > > This is very bad when somebody in the public asks a question of plot > > number 2 in slide #3 and you're in slide #55. Sure there are ways to > > overcome the problem, with the progress bar of latex-beamer, for > > instance, but still I don't like it. > > > > I just want to ask here in misc whether somebody has had the same > > problem and what other alternatives there are. > > > > > yes i've the same problem, i've been using latex-beamer on a slow > machine. To speedup the display, i converted the whole presentation > to pnm images (one image per slide) and then made my presentation > using graphics/qiv port. For instance, to generate the pnm files: > > gs -r248 -sDEVICE=pnmraw -sOutputFile=%d.ppm -dTextAlphaBits=4 \ > -dGraphicsAlphaBits=4 -dNOPAUSE doc.ps -c quit > > for i in ?.ppm; do mv $i 0$i done > > then to display them: > > qiv -f -i ??.ppm > > using space and backspace keys you can switch between slides very > quickly even on a slow machine. Furthermore you can skip 5 slides > using page-up and page-down keys, which is very handy when somebody > asks you to go a particular slide. > > hth, > > > -- Alexandre
