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For some beamer related code in one of my packages I need to access the current overlay number. I mean the internal number used for things like \only<1>{..}.

\only<1>{ Some internal number must be one in here }
\only<2>{ But 2 in here }
\only<1-5>{\includegraphics[page=(current overlay number)]{...}}

I checked the beamer manual and could find any information about this. I checked the source code and found some related macros/counters but they didn't held always the correct values. \beamerpauses seems not the correct one either. Does anyone now the "offical" counter/macro for this number?

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up vote 15 down vote accepted

You may be looking for the internal counter


as defined in beamerbasedecode.sty: It is the value beamer consults when encountering something like \only<1,3-5>{...} to check whether to display or to hide the content.

A small demonstration on how to access this value:

\only<1>{ Some internal number must be \overlaynumber\ in here }
\only<2>{ But \overlaynumber\ in here }

\only<1-5>{Graphic \overlaynumber}
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This seems indeed the right counter. How exactly did you find it? – Martin Scharrer May 9 '12 at 12:39
@MartinScharrer I already had fun with the decode routine when answering previous questions, so I knew where to look ;-) – diabonas May 9 '12 at 12:46

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