Hello Kumar.
I make my PDF animations so that I first create a single multi-page PDF
file whose separate pages are separate animation frames.
Then this auxiliary PDF file I put into another PDF file using \ fieldstack.
Here's how I prepare a separate animation file.
\def\setmyparameter#1#2{%
\global\def\myparameter{#2}#1%
}%
\def\processmyparameters[#1]#2%
{\processcommalist[#1]{\setmyparameter{#2}}}
\startbuffer [greenbar]
\blackrule[width=\myparameter, height=5mm, color=green]
\stopbuffer
\starttext
\processmyparameters[1cm,2cm,3.5cm,4.5cm,8cm,11cm]{
\getbuffer[greenbar]\page}
\stoptext
Greetings
Jaroslav Hajtmar
Dne 20.2.2013 10:16, Marco Patzer napsal(a):
\newdimen\cnt
\starttext
\startbuffer [greenbar]
\blackrule[width=4cm, height=5mm, color=green]
\stopbuffer
\dorecurse{10}{%%
\blackrule[width=\textwidth]
\advance\cnt1cm \hskip\cnt
\getbuffer[greenbar]\page}
\stoptext
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