to do :
- do a function to calculate the isometric projection
- apply the isometric calcul to the point coordonate
- draw lines between points
- segfault on elem-fract.fdf
- print the bottom line and the right line
- reduce the coef by 2 on the y
- check the leak with all the map :
- 100-6.fdf
- 10-2.fdf
- 10-70.fdf
- 20-60.fdf
- 42.fdf
- 50-4.fdf
- basictest.fdf
- elem2.fdf
- elem-col.fdf
- elem.fdf
- elem-fract.fdf
- julia.fdf
- mars.fdf
- pentenegpos.fdf
- plat.fdf
- pnp_plat.fdf
- pylone.fdf
- pyra.fdf
- pyramide.fdf
- t1.fdf
- t2.fdf