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I have a few questions regarding the passage from the default 4:3 ratio to 16:9 one.

1) Is it necessary to use 16:9 aspect ratio for presentations?

2) What is the difference between:

\documentclass[aspectratio=169]{beamer}

and

\usepackage[orientation=landscape,size=custom,width=16,height=9.75,scale=0.5,
debug]{beamerposter}

3) If I already have content in my slides with the default setting (4:3) what are some rules of thumb in order to assure that the passage is laid out correctly other than manually examining each slide? For instance if I use \usepackage[absolute,overlay]{textpos} and the associated textblock environment is there any way to assure that the passage will be rendered correctly?

  • 1
    For 1: no, just use what fits (maybe have a look at the aspect ratio of your projector…). For 3: Examine each slide. Really, there is no automated way, because usually presentations are laid out carefully. – TeXnician Apr 17 at 20:52

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