anim004.tex

\documentclass[svgnames,a4paper]{standalone}
\usepackage[T1]{fontenc}
\usepackage[frenchb]{babel}
\usepackage{bera}
\usepackage{xcolor}
\usepackage{pst-caelum}
\usepackage{xint-meeus}
\usepackage[export]{animate}
 
 
\begin{document}
\begin{animateinline}[%
    controls,
    palindrome,
    begin={\begin{pspicture}(-7,-7)(7,7)},
    end={\end{pspicture}}
]{7}% 7 frames/s (velocity of the animation)
\multiframe{5}{r=0.5+-0.075}{%
\psset[caelum]{sideralrotation,rotate=0,lon=0,month=1,day=1,hour=0,lat=48,horizon=10,lang=de}
\caelum{Ciel}
%\caelum[color1={[rgb]{0.25 0.25 0.55}},color2={[rgb]{0.3,0.3,0.6}},mwsize=1]{MilkyWay}
\caelum[linecolor=MidnightBlue!90!LightBlue,linewidth=0.5pt]{Graticule}%
%\caelum[linestyle=dotted,linewidth=0.2pt,linecolor=LightSkyBlue]{Boundaries}
%\caelum[linewidth=0.2pt,fillcolor=Goldenrod,size=1.4]{Asterisms}
\caelum[linecolor=Black]{Graduations}
%\caelum[linewidth=0.3pt,linecolor=Yellow]{EGalactic}
\caelum[linecolor=Crimson,linewidth=0.25pt]{Ecliptic}
% Les options qui me plaisent ;-)
\caelum[linecolor=Goldenrod,fillcolor=Black,opacity=\r,linewidth=2pt,lang=de]{Horizon}
\uput[0](-7,6){opacity : $+\r$}
}
\end{animateinline}
\end{document}