我想学习如何在 Latex 中执行一些简单的动画。我尝试运行这个 MWE（来自 使用 Tikz 和 'animate' 包制作动画线/路径)，但它不起作用：我可以运行代码，但这不会产生任何动画。为什么？
\listfiles
\documentclass{beamer}
\usepackage{tikz}
\usepackage{animate}
\begin{document}
\begin{frame}
\begin{animateinline}[autoplay,loop]{3}
\multiframe{10}{rPos=0.1+0.1}{
\begin{tikzpicture}[]
\node (s){A}; \node (r) at (1,0) {};
\node (t) at (1,-2) {};
\node (v) at (0,-2) {B};
\path (s) -- (r) -- (t)--(v) node[pos=\rPos,coordinate] (p) {};
\draw[->, draw=black!70, line width=2.5] (s) -- +(r)--+(t)--+(p);
\end{tikzpicture}
}
\end{animateinline}
\end{frame}
\end{document}
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pgfcomp-version-0-65.sty 2007/07/03 v3.0.1a (rcs-revision 1.7)
pgfcomp-version-1-18.sty 2007/07/23 v3.0.1a (rcs-revision 1.1)
pgffor.sty 2013/12/13 v3.0.1a (rcs-revision 1.25)
pgfkeys.sty
pgfkeys.code.tex
pgfmath.sty
pgfmath.code.tex
pgffor.code.tex
tikz.code.tex
animate.sty 2019/04/09 PDF & SVG animations from files and inline graphics
xkeyval.sty 2014/12/03 v2.7a package option processing (HA)
xkeyval.tex 2014/12/03 v2.7a key=value parser (HA)
ifthen.sty 2014/09/29 v1.1c Standard LaTeX ifthen package (DPC)
ifdraft.sty 2016/05/16 v1.4 Detect class options draft and final (HO)
calc.sty 2014/10/28 v4.3 Infix arithmetic (KKT,FJ)
zref-abspage.sty 2016/05/21 v2.26 Module abspage for zref (HO)
zref-base.sty 2016/05/21 v2.26 Module base for zref (HO)
pdfbase.sty 2019/05/24 v0.32 driver independent access to low-level PDF fea
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expl3.sty 2019-05-28 L3 programming layer (loader)
expl3-code.tex 2019-05-28 L3 programming layer
l3pdfmode.def 2019-04-06 v L3 Experimental driver: PDF mode
l3keys2e.sty 2019-05-28 LaTeX2e option processing using LaTeX3 keys
ocgbase.sty 2019/05/24 v0.15 support package for ocgx2.sty
supp-pdf.mkii
epstopdf-base.sty 2016/05/15 v2.6 Base part for package epstopdf
grfext.sty 2016/05/16 v1.2 Manage graphics extensions (HO)
nameref.sty 2016/05/21 v2.44 Cross-referencing by name of section
gettitlestring.sty 2016/05/16 v1.5 Cleanup title references (HO)
senza-nome-3.out
senza-nome-3.out
translator-basic-dictionary-English.dict
translator-bibliography-dictionary-English.dict
translator-environment-dictionary-English.dict
translator-months-dictionary-English.dict
translator-numbers-dictionary-English.dict
translator-theorem-dictionary-English.dict
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Output written on senza-nome-3.pdf (1 page, 28598 bytes).
SyncTeX written on senza-nome-3.synctex.gz.
Transcript written on senza-nome-3.log.
答案1
我认为我解决了这个问题。我误解了 beamer 动画的工作原理，因为我希望在运行代码后立即看到动画。相反，我注意到只有在外部打开 .pdf 时才能看到动画。正如 @KJO 所建议的，只有一些编辑器使用带有动画的辅助查看器。因此，有必要从内部切换到外部，这是一个基本（且关键！）的步骤，作为新手，我没有考虑到这一点。