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I am trying to place an image on top of another in beamer. I am using

\definecolor{LHCblue}{RGB}{4, 114, 255}
\usepackage[bars]{beamerthemetree} % Beamer theme v 2.2
\setbeamertemplate{footline}[frame number]
\setbeamercovered{higly dynamic}
\usetheme[watermark=ntua-logo.jpg]{Ilmenau} % Beamer theme v 3.0
\useoutertheme[subsection=true]{smoothbars}%Beamer Outer Theme-circles on top

\useinnertheme{circles} %rectangle bullet points instead of circle ones
\setbeamercolor{navigation symbols dimmed}{fg=red!80!black}
\setbeamercolor{navigation symbols}{fg=red!80!black}
\title[July 2012 H4 Test Beam\hspace{3cm} Stony Brook, NYC]{July 2012 H4 Test Beam}
\author[Stamatopoulos N. Athanasios\hspace{2.5cm}{athanasios.stamatopoulos@cern.ch}]            {Stamatopoulos N. Athanasios}




%  \begin{center}
%    \includegraphics[width=10cm]{layers1}
%  \end{center} 
%  \begin{center}
%    \includegraphics[width=10cm]{layers}
%  \end{center} 
    \llap{\raisebox{0cm}{%  move next graphics to top right corner
     \uncover<2->{ \includegraphics[width=10cm]{layers}}%
%    \caption{My overlay figure.}


I also tried using just the figure enviroment with \hspace{} between two images but it didn't work.{Code in comment}

share|improve this question
To clarify: by "on top of", you mean "above" rather than "superimposed on", right? – Andrew Uzzell Sep 28 '12 at 6:51
I mean superimposed indeed! Please see uncover. The plan is to have the first image and then at the exact same position the socond one. – Thanos Sep 28 '12 at 7:01
Sometimes the problem is in the graphics file. For example, the bounding box may be wrong. Have you tried something along the following lines (compile twice)? \documentclass{beamer} \usepackage{tikz} \begin{document} \begin{frame}[fragile] \begin{tikzpicture}[overlay,remember picture] \only<1>{\draw (current page.center) node[anchor=center] {stuff};} \only<2>{\draw (current page.center) node[anchor=center] {more stuff};} \end{tikzpicture} \end{frame} \end{document} – Marc van Dongen Sep 28 '12 at 8:17
I used your code and it is working. I can tell the difference now. You are right! – Thanos Sep 28 '12 at 9:18
up vote 7 down vote accepted

Do not use the figure environment, it makes no real sense in beamer

\PassOptionsToPackage{demo}{graphics}%% Delete it later
\captionof{figure}{first image}
\captionof{figure}{second image}


enter image description here

and here the same as an overlay (on top of each other)

\captionof{figure}{first image}}
\captionof{figure}{second image}}


enter image description here

share|improve this answer
I don't mean that... I want them to be superimposed...Sorry for the inconvinience! – Thanos Sep 28 '12 at 7:03
see edit, the second example – Herbert Sep 28 '12 at 7:04
If the images are not the same size, you will need to use an `overlayarea1 to avoid the rest of the content 'jumping around'. – Joseph Wright Sep 28 '12 at 7:06
@Joseph: not when I controll the height of the image instead of the width – Herbert Sep 28 '12 at 7:08
@Thanos: the center environment adds some vertical white space before and after. And this is especially in the limited height of a slide not a good option. \centering doesn't – Herbert Sep 28 '12 at 7:32

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