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authorKarl Berry <karl@freefriends.org>2006-11-01 23:50:14 +0000
committerKarl Berry <karl@freefriends.org>2006-11-01 23:50:14 +0000
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tree10af70bab7eedf89d55be20d1a3b9c334ad80ea3 /Master/texmf-dist/doc/latex/beamer/beamerug-interaction.tex
parent8cdb9ebeb89ec677972e7a568938c6a0dd313145 (diff)
beamer update to get solutions/ et al. (reported by gerben)
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-% $Header: /cvsroot/latex-beamer/latex-beamer/doc/beamerug-interaction.tex,v 1.8 2004/11/01 16:18:44 tantau Exp $
-
-% Copyright 2003, 2004 by Till Tantau <tantau@users.sourceforge.net>.
-%
-% This program can be redistributed and/or modified under the terms
-% of the GNU Public License, version 2.
-
-\section{Structuring a Presentation: The Interactive Global Structure}
-
-\label{section-nonlinear}
-
-
-\subsection{Adding Hyperlinks and Buttons}
-
-To create anticipated nonlinear jumps in your talk structure, you
-can add hyperlinks to your presentation. A hyperlink is a text
-(usually rendered as a button) that, when you click on it, jumps the
-presentation to some other slide. Creating such a button is a
-three-step process:
-\begin{enumerate}
-\item
- You specify a target using the command |\hypertarget| or (easier)
- the command |\label|. In some cases, see below, this step may be
- skipped.
-\item
- You render the button using |\beamerbutton| or a similar
- command. This will \emph{render} the button, but clicking it will
- not yet have any effect.
-\item
- You put the button inside a |\hyperlink| command. Now clicking it
- will jump to the target of the link.
-\end{enumerate}
-
-\begin{command}{\hypertarget\sarg{overlay specification}%
- \marg{target name}\marg{text}}
- If the \meta{overlay specification} is present, the \meta{text} is
- the target for hyper jumps to \meta{target name} only on the
- specified slide. On all other slides, the text is shown
- normally. Note that you \emph{must} add an overlay specification to
- the |\hypertarget| command whenever you use it on frames that have
- multiple slides (otherwise |pdflatex| rightfully complains
- that you have defined the same target on different slides).
- \example
-\begin{verbatim}
-\begin{frame}
- \begin{itemize}
- \item<1-> First item.
- \item<2-> Second item.
- \item<3-> Third item.
- \end{itemize}
-
- \hyperlink{jumptosecond}{\beamergotobutton{Jump to second slide}}
- \hypertarget<2>{jumptosecond}{}
-\end{frame}
-\end{verbatim}
-
- \articlenote
- You must say |\usepackage{hyperref}| in your preamble to use this
- command in |article| mode.
-\end{command}
-
-The |\label| command creates a hypertarget as a side-effect and the
-|label=|\meta{name} option of the |\frame| command creates a label
-named \meta{name}|<|\meta{slide number}|>| for each slide of the frame
-as a side-effect. Thus the above example could be written more easily
-as:
-\begin{verbatim}
-\begin{frame}[label=threeitems]
- \begin{itemize}
- \item<1-> First item.
- \item<2-> Second item.
- \item<3-> Third item.
- \end{itemize}
-
- \hyperlink{threeitems<2>}{\beamergotobutton{Jump to second slide}}
-\end{frame}
-\end{verbatim}
-
-
-
-The following commands can be used to specify in an abstract way what
-a button will be used for.
-
-\begin{command}{\beamerbutton\marg{button text}}
- Draws a button with the given \meta{button text}.
- \example |\hyperlink{somewhere}{\beamerbutton{Go somewhere}}|
-
- \articlenote
- This command (and the following) just insert their argument in
- |article| mode.
-
- \begin{element}{button}\yes\yes\yes
- When the |\beamerbutton| command is called, this template is used
- to render the button. Inside the template you can use the command
- |\insertbuttontext| to insert the argument that was passed to
- |\beamerbutton|.
- \begin{templateoptions}
- \itemoption{default}{}
- Typesets the button with rounded corners. The fore- and
- background of the \beamer-color |button| are used and also the
- \beamer-font |button|. The border of the button gets the
- foreground of the \beamer-color |button border|.
- \end{templateoptions}
- The following inserts are useful for this element:
- \begin{itemize}
- \iteminsert{\insertbuttontext} inserts the text of the current
- button. Inside ``Goto-Buttons'' (see below) this text is
- prefixed by the insert |\insertgotosymbol| and similarly for
- skip and return buttons.
-
- \iteminsert{\insertgotosymbol} This text is inserted at the
- beginning of goto buttons. Redefine this command to change the
- symbol.
- \example
- |\renewcommand{\insertgotosymbol}{\somearrowcommand}|
-
- \iteminsert{\insertskipsymbol} This text is inserted at the
- beginning of skip buttons.
-
- \iteminsert{\insertreturnsymbol} This text is inserted at the
- beginning of return buttons.
- \end{itemize}
- \end{element}
-
- \begin{element}{button border}\no\yes\no
- The foreground of this color is used to render the border of
- buttons.
- \end{element}
-\end{command}
-
-\begin{command}{\beamergotobutton\marg{button text}}
- Draws a button with the given \meta{button text}. Before the text, a
- small symbol (usually a right-pointing arrow) is inserted that
- indicates that pressing this button will jump to another ``area'' of
- the presentation.
-
- \example |\hyperlink{detour}{\beamergotobutton{Go to detour}}|
-\end{command}
-
-\begin{command}{\beamerskipbutton\marg{button text}}
- The symbol drawn for this button is usually a double right
- arrow. Use this button if pressing it will skip over a
- well-defined part of your talk.
-
- \example
-\begin{verbatim}
-\frame{
- \begin{theorem}
- ...
- \end{theorem}
-
- \begin{overprint}
- \onslide<1>
- \hfill\hyperlinkframestartnext{\beamerskipbutton{Skip proof}}
- \onslide<2>
- \begin{proof}
- ...
- \end{proof}
- \end{overprint}
-}
-\end{verbatim}
-\end{command}
-
-\begin{command}{\beamerreturnbutton\marg{button text}}
- The symbol drawn for this button is usually a left-pointing
- arrow. Use this button if pressing it will return from a detour.
-
- \example
-\begin{verbatim}
-\frame<1>[label=mytheorem]
-{
- \begin{theorem}
- ...
- \end{theorem}
-
- \begin{overprint}
- \onslide<1>
- \hfill\hyperlink{mytheorem<2>}{\beamergotobutton{Go to proof details}}
- \onslide<2>
- \begin{proof}
- ...
- \end{proof}
- \hfill\hyperlink{mytheorem<1>}{\beamerreturnbutton{Return}}
- \end{overprint}
-}
-\appendix
-\againframe<2>{mytheorem}
-\end{verbatim}
-\end{command}
-
-To make a button ``clickable'' you must place it in a command like
-|\hyperlink|. The command |\hyperlink| is a standard command of the
-|hyperref| package. The \beamer\ class defines a whole bunch of other
-hyperlink commands that you can also use.
-
-\begin{command}{\hyperlink\sarg{overlay specification}\marg{target
- name}\marg{link text}\sarg{overlay specification}}
- Only one \meta{overlay specification} may be given.
- The \meta{link text} is typeset in the usual way. If you click
- anywhere on this text, you will jump to the slide on which the
- |\hypertarget| command was used with the parameter \meta{target
- name}. If an \meta{overlay specification} is present, the
- hyperlink (including the \meta{link text}) is completely
- suppressed on the non-specified slides.
-\end{command}
-
-The following commands have a predefined target; otherwise they behave
-exactly like |\hyperlink|. In particular, they all also accept an
-overlay specification and they also accept it at the end, rather than
-at the beginning.
-
-\begin{command}{\hyperlinkslideprev\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps one slide back.
-\end{command}
-
-\begin{command}{\hyperlinkslidenext\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps one slide forward.
-\end{command}
-
-\begin{command}{\hyperlinkframestart\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the first slide of the current frame.
-\end{command}
-
-\begin{command}{\hyperlinkframeend\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the last slide of the current frame.
-\end{command}
-
-\begin{command}{\hyperlinkframestartnext\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the first slide of the next frame.
-\end{command}
-
-\begin{command}{\hyperlinkframeendprev\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the last slide of the previous frame.
-\end{command}
-
-The previous four command exist also with ``|frame|'' replaced by
-``|subsection|'' everywhere, and also again with ``|frame|'' replaced
-by ``|section|''.
-
-\begin{command}{\hyperlinkpresentationstart\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the first slide of the presentation.
-\end{command}
-
-\begin{command}{\hyperlinkpresentationend\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the last slide of the presentation. This
- \emph{excludes} the appendix.
-\end{command}
-
-\begin{command}{\hyperlinkappendixstart\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the first slide of the appendix. If there
- is no appendix, this will jump to the last slide of the document.
-\end{command}
-
-\begin{command}{\hyperlinkappendixend\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the last slide of the appendix.
-\end{command}
-
-\begin{command}{\hyperlinkdocumentstart\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the first slide of the presentation.
-\end{command}
-
-\begin{command}{\hyperlinkdocumentend\sarg{overlay specification}\marg{link text}}
- Clicking the text jumps to the last slide of the presentation or, if
- an appendix is present, to the last slide of the appendix.
-\end{command}
-
-
-
-
-\subsection{Repeating a Frame at a Later Point}
-
-Sometimes you may wish some slides of a frame to be shown in your main
-talk, but wish some ``supplementary'' slides of the frame to be shown
-only in the the appendix. In this case, the |\againframe| commands is
-useful.
-
-
-\begin{command}{\againframe\sarg{overlay
- specification}\opt{|[<|\meta{default overlay specification}|>]|}\oarg{options}\marg{name}}
- \beamernote
- Resumes a frame that was previously created using |\frame|
- with the option |label=|\meta{name}. You must have used this option,
- just placing a label inside a frame ``by hand'' is not enough. You
- can use this command to ``continue'' a frame that has been
- interrupted by another frame. The effect of this command is to call
- the |\frame| command with the given \meta{overlay specification},
- \meta{default overlay specification} (if present), and
- \meta{options} (if present) and with the original frame's contents.
-
- \example
-\begin{verbatim}
-\frame<1-2>[label=myframe]
-{
- \begin{itemize}
- \item<alert@1> First subject.
- \item<alert@2> Second subject.
- \item<alert@3> Third subject.
- \end{itemize}
-}
-
-\frame
-{
- Some stuff explaining more on the second matter.
-}
-
-\againframe<3>{myframe}
-\end{verbatim}
- The effect of the above code is to create four slides. In the first
- two, the items 1 and~2 are hilighted. The third slide contains the
- text ``Some stuff explaining more on the second matter.'' The fourth
- slide is identical to the first two slides, except that the third
- point is now hilighted.
-
- \example
-\begin{verbatim}
-\frame<1>[label=Cantor]
-{
- \frametitle{Main Theorem}
-
- \begin{Theorem}
- $\alpha < 2^\alpha$ for all ordinals~$\alpha$.
- \end{Theorem}
-
- \begin{overprint}
- \onslide<1>
- \hyperlink{Cantor<2>}{\beamergotobutton{Proof details}}
-
- \onslide<2->
- % this is only shown in the appendix, where this frame is resumed.
- \begin{proof}
- As shown by Cantor, ...
- \end{proof}
-
- \hfill\hyperlink{Cantor<1>}{\beamerreturnbutton{Return}}
- \end{overprint}
-}
-
-...
-\appendix
-
-\againframe<2>{Cantor}
-\end{verbatim}
- In this example, the proof details are deferred to a slide in the
- appendix. Hyperlinks are setup, so that one can jump to the proof
- and go back.
-
- \articlenote
- This command is ignored in |article| mode.
-
- \lyxnote
- Use the style ``AgainFrame'' to insert an |\againframe| command. The
- \meta{label name} is the text on following the style name
- and is \emph{not} put in \TeX-mode. However, an overlay specification
- must be given in \TeX-mode and it must precede the label name.
-\end{command}
-
-
-
-\subsection{Adding Anticipated Zooming}
-
-\label{section-zooming}
-
-
-Anticipated zooming is necessary when you have a very complicated
-graphic that you are not willing to simplify since, indeed, all the
-complex details merit an explanation. In this case, use the command
-|\framezoom|. It allows you to specify that clicking on a certain area
-of a frame should zoom out this area. You can then explain the
-details. Clicking on the zoomed out picture will take you back to the
-original one.
-
-\begin{command}{\framezoom\ssarg{button overlay
- specification}\ssarg{zoomed overlay
- specification}\oarg{options}\\|(|\meta{upper left x}|,|\meta{upper
- left y}|)(|\meta{zoom area width}|,|\meta{zoom area depth}|)|}
- This command should be given somewhere at the beginning of a
- frame. When given, two different things will happen, depending on
- whether the \meta{button overlay specification} applies to the
- current slide of the frame or whether the \meta{zoomed overlay
- specification} applies. These overlay specifications should not
- overlap.
-
- If the \meta{button overlay specification} applies, a clickable area
- is created inside the frame. The size of this area is given by
- \meta{zoom area width} and \meta{zoom area depth}, which are two
- normal \TeX\ dimensions (like |1cm| or |20pt|). The upper left
- corner of this area is given by \meta{upper left x} and \meta{upper
- left y}, which are also \TeX\ dimensions. They are measures
- \emph{relative to the place where the first normal text of a
- frame would go}. Thus, the location |(0pt,0pt)| is at the
- beginning of the normal text (which excludes the headline and also
- the frame title).
-
- By default, the button is clickable, but it will not be indicated in
- any special way. You can draw a border around the button by using
- the following \meta{option}:
- \begin{itemize}
- \item \declare{|border|}\opt{|=|\meta{width in pixels}} will draw
- a border around the specified button area. The default width is 1
- pixel. The color of this button is the |linkbordercolor| of
- |hyperref|. \beamer\ sets this color to a 50\% gray by default. To
- change this, you can use the command
- |\hypersetup{linkbordercolor={|\meta{red}| |\meta{green}| |\meta{blue}|}}|,
- where \meta{red}, \meta{green}, and \meta{blue} are values between
- 0 and 1.
- \end{itemize}
-
- When you press the button created in this way, the viewer
- application will hyperjump to the first of the frames specified by
- the \meta{zoomed overlay specification}. For the slides to which
- this overlay specification applies, the following happens:
-
- The exact same area as the one specified before is ``zoomed out'' to
- fill the whole normal text area of the frame. Everything else,
- including the sidebars, the headlines and footlines, and even the
- frame title retain their normal size. The zooming is performed in
- such a way that the whole specified area is completely shown. The
- aspect ratio is kept correct and the zoomed area will possibly show
- more than just the specified area if the aspect ratio of this area
- and the aspect ratio of the available text area do not agree.
-
- Behind the whole text area (which contains the zoomed area) a big
- invisible ``Back'' button is put. Thus clicking anywhere on the text
- area will jump back to the original (unzoomed) picture.
-
- You can specify several zoom areas for a single frame. In this case,
- you should specify different \meta{zoomed overlay specification},
- but you can specify the same \meta{button overlay
- specification}. You cannot nest zoomings in the sense that you
- cannot have a zoom button on a slide that is in some \meta{zoomed
- overlay specification}. However, you can have overlapping and even
- nested \meta{button overlay specification}. When clicking on an area
- that belongs to several buttons, the one given last will ``win'' (it
- should hence be the smallest one).
-
- If you do not wish to have the frame title shown on a zoomed slide,
- you can add an overlay specification to the |\frametitle| command
- that simply suppresses the title for the slide. Also, by using the
- |plain| option, you can have the zoomed slide fill the whole page.
-
- \example A simple case
-\begin{verbatim}
-\begin{frame}
- \frametitle{A Complicated Picture}
-
- \framezoom<1><2>(0cm,0cm)(2cm,1.5cm)
- \framezoom<1><3>(1cm,3cm)(2cm,1.5cm)
- \framezoom<1><4>(3cm,2cm)(3cm,2cm)
-
- \pgfimage[height=8cm]{complicatedimagefilename}
-\end{frame}
-\end{verbatim}
-
- \example A more complicate case in which the zoomed parts completely
- fill the frames.
-\begin{verbatim}
-\begin{frame}<1>[label=zooms]
- \frametitle<1>{A Complicated Picture}
-
- \framezoom<1><2>[border](0cm,0cm)(2cm,1.5cm)
- \framezoom<1><3>[border](1cm,3cm)(2cm,1.5cm)
- \framezoom<1><4>[border](3cm,2cm)(3cm,2cm)
-
- \pgfimage[height=8cm]{complicatedimagefilename}
-\end{frame}
-\againframe<2->[plain]{zooms}
-\end{verbatim}
-\end{command}
-
-
-
-
-
-
-%%% Local Variables:
-%%% mode: latex
-%%% TeX-master: "beameruserguide"
-%%% End: