\input fig4tex.tex
%
% 1. Definition of characteristic points
\figinit{pt}
\figpt 1:(-10,10)
\def\haxis{100}
\def\startangle{-20}
\def\stopangle{160}
\figptcirc 2:$B$:1;\haxis(160)
%
% 2. Creation of the graphical file
\figdrawbegin{}
\figdrawarccirc 1;\haxis(\startangle,\stopangle)
\figdrawend
% 3. Writing text on the figure
\figvisu{\figBoxA}{Arc de cercle}{%
\figset write(mark={.})\figwriten 1:(2)
\figwritew 2:(2)}
\centerline{\box\figBoxA}

\bye