2

I'd like to have a list in beamer that fits with the following requirements:

  1. blank page
  2. item 1 is shown
  3. item 2 is shown and item 1's opacity is reduced to the beamer "standard"
  4. item 3 is shown and item 2 and 1's opacity is reduced to the beamer "standard"
  5. item 4 is shown and item .... and so on

What I have so far:

\documentclass[aspectratio=169]{beamer}
\usepackage[utf8]{inputenc} % UFT8x - danske bogstaver
\usepackage[T1]{fontenc}
\begin{document}
\begin{frame}
\begin{itemize}
    \item $x$-aksen: kemisk skift, elektrontæthed omkring det atom, som proton(erne) er bundet til
    \pause
    \item $y$-aksen: ækvivalente antal protoner
    \pause
    \item Intensitet $=$ areal (integral) under signal
    \pause
    \item Intensitet $=$ antal ækvivalente protoner
    \pause
    \item Kan ``mærke'' nærliggende protoner $\to$ opsplitning
\end{itemize}
\end{frame}
\end{document}

Gives me a list where they get covered one after another.

\documentclass[aspectratio=169]{beamer}
\usepackage[utf8]{inputenc} % UFT8x - danske bogstaver
\usepackage[T1]{fontenc}
\begin{document}
\begin{frame}
\setbeamercovered{transparent}

\begin{itemize}[<+->]
    \item $x$-aksen: kemisk skift, elektrontæthed omkring det atom, som proton(erne) er bundet til
    \item $y$-aksen: ækvivalente antal protoner
    \item Intensitet $=$ areal (integral) under signal
    \item Intensitet $=$ antal ækvivalente protoner
    \item Kan ``mærke'' nærliggende protoner $\to$ opsplitning
\end{itemize}
\end{frame}
\end{document}

Gives me a list where the first item is visible and the rest are semi-transparent in the start, and gets uncovered one after another.

2
  • With your second code, try using \begin{itemize}[<+>], without the - sign.
    – Herr K.
    Commented Jun 9, 2014 at 21:30
  • @KevinC still reveals all the items in the first frame :(
    – Argo
    Commented Jun 9, 2014 at 21:32

1 Answer 1

5

The following uses the capability of action specifications (the bit after the | symbol) to enable what you want. These are described on page 88 of the beamer 3.33 manual:

\documentclass[aspectratio=169]{beamer}
\usepackage[utf8]{inputenc} % UFT8x - danske bogstaver
\usepackage[T1]{fontenc}
\begin{document}
\begin{frame}
\setbeamercovered{transparent}

\begin{itemize}[<+(1) | invisible@-+>]
    \item $x$-aksen: kemisk skift, elektrontæthed omkring det atom, som proton(erne) er bundet til
    \item $y$-aksen: ækvivalente antal protoner
    \item Intensitet $=$ areal (integral) under signal
    \item Intensitet $=$ antal ækvivalente protoner
    \item Kan ``mærke'' nærliggende protoner $\to$ opsplitning
\end{itemize}
\end{frame}
\end{document}

EDIT: the code now uses the incremental specifiers, instead of hard coded slides.

2
  • \pause \begin{itemize}[<+| invisible@-.>] works as well.
    – Herr K.
    Commented Jun 9, 2014 at 22:18
  • 1
    @KevinC Now I figured out how to get it without the \pause too :-)
    – darthbith
    Commented Jun 9, 2014 at 22:20

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