define('DISALLOW_FILE_EDIT', true);
define('DISALLOW_FILE_MODS', true);
Tu devrais regarder cette publi (si tu veux je te l’envoie) :
Aharonson, O.; Zuber, M. T. & Rothman, D. H., Statistics of Mars’ topography from the Mars Orbiter Laser Altimeter: Slopes, correlations, and physical models, Journal of Geophysical Research, 2001, 106, 23723-23736