annotate docs/spec/track-feature-vectors.tikz @ 601:82d23418d867

Fix some fd leaks in the command-line binary

Strictly speaking, they're not really leaks, because the only codepath
that suffers from these leaks exits immediately afterwards.  On the
other hand, this fix makes valgrind on e.g. tests/0025 happier, going
from 5 errors to none.

\input interval-index.tikz
\input segmented-track.tikz
% \foreach \x in {-2.5,-2,-1.4,-0.5,0,0.8,1.3,1.8} {
%   \begin{scope}[xshift=\x cm,yshift=-0.4 cm]
\foreach \x/\f in {-1.8/fv0,-1.4/fv1,-1.0/fv2,-0.6/fv3,-0.2/fv4,0.2/fv5,0.6/fv6,1.0/fv7} {
  \begin{scope}[yshift=1.1 cm,xshift=\x cm]
    \input \f.tikz
  \end{scope}
}
\foreach \x in {-1.8,-1.4,...,1.1} {
  \begin{scope}[xshift=\x cm,yshift=1.1 cm]
    \draw (-0.1,0) rectangle (0.1,1);
    \foreach \y in {0.2,0.4,0.6,0.8} {
      \draw (-0.1,\y) -- (0.1,\y);
    }
  \end{scope}
}
\begin{scope}[yshift=1.1 cm]
  \draw[<->,>=stealth] (-2.1,0) -- (-2.1,1);
  \draw node at (-2.4,0.5) {$d$};
\end{scope}