view docs/spec/track.tikz @ 571:d25eb017b68e

improvements to runner-rdf example

Actually return the buffer full of doubles rather than some
randomly-intiialized memory from parse_value_string.

Also, free the rdf parser as well as everything else rdf-related.

(Now almost valgrind-clean)

\draw[thick] (-2.5,-0.2) rectangle (2.5,0.2);
\draw plot[domain=-2.4:2.4,samples=250] (\x, {0.15*sin(9.2*\x r)});