**naca_test**,
a C program which
calls naca() to
take the parameters of certain NACA airfoils and return the
coordinates of a sequence of points that outline the wing shape.
The data can be displayed with gnuplot.

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

naca, a C library which can take the parameters of certain naca airfoils and return the coordinates of a sequence of points that outline the wing shape. The data can be displayed with gnuplot().

- naca_test.c, a sample calling program.
- naca_test.sh, runs all the examples.
- naca_test.txt, the output file.

- symmetric_data.txt, the data outlining the NACA symmetric 4-digit airfoil.
- symmetric_commands.txt, gnuplot commands to plot the data.
- symmetric.png, a PNG image of the data.
- cambered_data.txt, the data outlining the NACA cambered 4-digit airfoil.
- cambered_commands.txt, gnuplot commands to plot the data.
- cambered.png, a PNG image of the data.