\section{{\tt script1}}
The IDL procedure
\linkf{{\tt script1}}
{http://www.astro.ku.dk/\~{}milvang/RelViz/idl/script1.pro}
is written by me, and is the cornerstone of the project
(while still, it wouldn't be any use without the beforementioned
lower layer procedures).
It integrates the geodesics equation by calling {{\tt hyman}} a number
of times.
