# Tag Info

1

Is this what you want? x_{1}\uncover<1,3>{+3x_{2}}\uncover<2,3>{+6x_{3}}=15 Note that in this case, the space for the hidden content is reserved. If you don't want this, just use \only{} instead. x_{1}\only<1,3>{+3x_{2}}\only<2,3>{+6x_{3}}=15 The numbers inside <> specify the slides where the contents will be visible. MWE ...

5

This can for example be done by overlaying the picture a semi-transparent gray shape. \documentclass{beamer} \usepackage{tikz} \begin{document} \begin{frame} \begin{tikzpicture} \only<1->{ \node[anchor=south west,inner sep=0] (A) at (0,0) {\includegraphics[width=.3\textwidth]{example-grid-100x100bp}}; } \only<2->{ ...

5

Like this? The code (change the opacity from 0.2 to the desired value): \documentclass{beamer} \usepackage{tikz} \usetikzlibrary{positioning} \tikzset{ opinvisible/.style={opacity=0.2}, visible on/.style={alt={#1{}{opinvisible}}}, alt/.code args={<#1>#2#3}{% \alt<#1>{\pgfkeysalso{#2}}{\pgfkeysalso{#3}} % \pgfkeysalso ...

1

Here's a solution using Beamer's overlayarea. The only real disadvantage is that you have to specify the height of the area. \documentclass{beamer} \usepackage{tikz} \usetikzlibrary{positioning,fit} \begin{document} \begin{frame} \frametitle{TEST} \begin{overlayarea}{\linewidth}{.3\textheight} \centering \begin{tikzpicture} \only<1-2>{ ...

4

There is also a TikZ library for this problem (overlay-beamer-styles). The solution with this library: \documentclass{beamer} \usepackage{tikz} \usetikzlibrary{positioning,fit} \usetikzlibrary{overlay-beamer-styles} \begin{document} \begin{frame} \frametitle{TEST} \centering \begin{tikzpicture} \node[draw=black, rectangle] (a) {A}; ...

4

A solution, which avoids printing a white frame or using transparency: The node is placed in the first slide, but not drawn. Because of the missing draw operators, the bounding box is updated manually using the node. \documentclass{beamer} \usepackage{tikz} \usetikzlibrary{positioning,fit} \begin{document} \begin{frame} \frametitle{TEST} \centering ...

1

The \only<>{} command should be followed by a %-sign if you which to hit enter for a new line. A new line is interpreted as a white space in LaTeX. This white space was set in front of your numbers and therefore moved them out of the centre. % arara: pdflatex \documentclass{beamer} \usetheme{Frankfurt} \usepackage{tikz} ...

1

There's spurious space after \only<1>{...} Add % there and the movement will vanish. And of course after the second one, if there's more content to follow. \documentclass{beamer} \begin{document} \begin{frame} \centering \only<1>{ test text }% Add it here!!! \only<2>{ test text } \end{frame} \end{document}

1

I don't really see what is wrong with your current solution, but perhaps you would prefer the following? \documentclass{beamer} \begin{document} \begin{frame} \setbeamercovered{transparent} \begin{itemize}[<+-| uncover@+>] \item first item \item second item \item third item \end{itemize} \end{frame} \end{document}

0

You can separate the sublist from item 4 by wrapping item 4 inside \uncover{}. \documentclass{beamer} \begin{document} \begin{frame} \begin{itemize}[<+->] \item item 1. \item item 2 \item item 3 \uncover<4-6>{\item item 4} \begin{itemize} \item item 5 \item item 6 ...

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