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< [[Presentations]] | [[Presentation effects]] | [[RawSteps]] | [[SlideWithSteps]] | [[JavaScript]]>
== Introduction ==
* making <b>multiple pages</b> and (quickly) browse through them
* using <b>[[JavaScript]]</b>
* using <b>[[modules:animation|the animation module]]</b>* (probably one day [[SVG]] will anable enable that too)
The first alternative can be hardcoded, achieved with either some trickery (<{{cmd>|dorecurse</cmd> }} may sometimes help you) or with support of mudules modules such as [[RawSteps]].
This page will mostly deal with <b>[[JavaScript]]</b> animations.
Even if you were leaping for joy once you heard about the animations, I have to disappoint you right away: no matter how hard you try, it's not very likely that you'll ever achive much more than one, maybe some frames per second. So won't really be able to watch movies this way.
However, there's another possibility to use your nice metapost figures to make animations, pdf2swf. See http://melusine.eu.org/syracuse/metapost/animations/ and http://www.quiss.org/swftools/examples.html for examples.
== Preparing the figures with Metapost/Metafun ==
* [[EuroAnim|Animated construction of the "euro" symbol]]
* pdfclock
* [[5BarMechAnim|Animation of a five bar mechanism]]
== Using [[modules:animation|the animation module]] ==
=== Simple example ===
<texcode>
\usemodule[animation]
\setupinteraction[state=start]
\starttext
\startanimation
{\externalfigure[dummy]A}
{\externalfigure[dummy]B}
{\externalfigure[dummy]C}
{\externalfigure[dummy]D}
\stopanimation
\stoptext
</texcode>
=== Add captions ===
<texcode>
\usemodule[animation]
\setupinteraction[state=start]
\definepairedbox[animationtext][location=top,align=middle,width=\textwidth]
\starttext
\startanimation
{\placeanimationtext{The letter a}{\externalfigure[dummy]}}
{\placeanimationtext{The letter b}{\externalfigure[dummy]}}
{\placeanimationtext{The letter c}{\externalfigure[dummy]}}
{\placeanimationtext{The letter d}{\externalfigure[dummy]}}
\stopanimation
\stoptext
</texcode>
=== Example with formulae ===
<texcode>
\usemodule[animation]
\setuppapersize[S6][S6]
\setupinteraction[state=start]
\definepairedbox[animationtext][location=top,align=middle,width=\textwidth]
\starttext
\startanimation
{\placeanimationtext{Sine norm, and}{\startformula \int_{0}^{2\pi}\sin^2(x)dx = \stopformula}}
{\placeanimationtext{Cosine norm}{\startformula\int_{0}^{2\pi}\cos^2(x)dx = \stopformula}}
{\placeanimationtext{are equal}{\startformula = \pi. \stopformula}}
\stopanimation
\stoptext
</texcode>
== Animating Text ==
TODO: presentations with [[source:s-pre-61.tex|pre-61]] == Making animations with external tools == === Samples ===* [http://www-math.univ-poitiers.fr/~phan/animations.html Gif Animation]* [http://melusine.eu.org/syracuse/metapost/animations/ Flash Animations] made with '''swftools'''
== Documentation ==
* Javascript JavaScript (as well as PDF) reference from Adobe: at [[http://partners.adobe.com/public/developer/acrobat/sdk/index_doc.htmlAdobe]] {{todo|Here are a lot of empty sections, and a bit more order won't hurt}} [[Category:Graphics]]
