Self-contained: All information, all layout controls in one single text file and all media content embedded in one single output file.Layout: Total control of any layout aspect (theoretically).Hyper linking: With beamer you can link and connect anything, formulas, table of contents.Overlay effects: With beamer you can overlay even between formulas and tables.Videos, Animations and 3D objects: With the media9 package even embedding of 3D objects, animations and youtube videos into PDFs is possible.Graphs: With the pgfplots package font consistent, complex graphs with overlay effects are possible.Sketches: With the tikz package any technical sketch or diagram is possible.Math: With LaTeX the best mathematical layout is available.In any case, I don’t find the more vertical space to be an added value.I'm using LaTeX-beamer-PDF because of its comprehensive and partly unique features: If I were in an environment, where the hardware was still mostly 4:3, I would have kept with my good old 4:3 slides. I’ve found that the font sizes have to be approximately 20% larger on the 16:9 ratio slides to accommodate for the situations when my now 16:9 ratio slides encounter an older projector. For a long time, I just used the 4:3 ratio slides for my presentations, however, as I believe the ‘immersion experience’ is best when the slide and hardware aspect ratios match, I have recently redesigned all my slides. Among the projectors I encounter in 2019-2020, approximately 70% are already wide (supporting the 16:9 ratio). My experience is from the scientific and educational world of universities and research institutes. This means that the text is going to be smaller than it would be on a 4:3 projector. There will be a dark (invisible) edges at the top and the bottom (see image above). Your complete 16:9 slides are going to be visible, however, they will be squeezed to fit the 4:3 screen. Your slides are 16:9 and the projector is 4:3 Therefore, all of the sizes in slides will be as planned, nothing is going to be squeezed. Horizontally, there will be a black (invisible) edge on each side. In this situation, your slides are going to fit the projection vertically (in height). Your slides are 4:3 and the projector is 16:9 There are obviously two situations, both illustrated below. Here, it is important to discuss what happens if there is a mismatch between the aspect ratio of your slides and the one of the projector. Use 4:3 ratio or 16:9 ratio with increased font sizes. Most new projectors have a wide ratio, but check if possible. Everything will be as intended, the wall/screen area covered will be the largest, which gives the best immersion effect for your audience. Match the ratio of the projector/beamer.įor best result, always match the slide aspect ratio to the hardware. If you want to have the 16:9 ratio, but want to be safe for multiple presentations, then increase all font sizes.
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