Aircraft silhouettes of ARGOS ATLAS

aircraft-shapes.json holds the top-down aircraft outlines and the map of ICAO type designators to
outlines of tar1090, by Matthias Wirth and the tar1090 contributors, based on FlightAware dump1090:

    https://github.com/wiedehopf/tar1090  (html/markers.js; the commit is in the file, "source")

tar1090 is licensed under the GNU General Public License, version 2 or (at your option) any later
version. The full text is in LICENSE.txt, in this folder, as tar1090 distributes it.

The file is tar1090's data, extracted unchanged into JSON, except that the four ground vehicles
that tar1090 draws as whole SVG documents and the accent strokes (panel lines, windows) are left
out. The script that extracts it is frontend/scripts/tar1090_shapes.mjs in the ARGOS ATLAS
repository.