Drawable_object.h:
methode set_color(color c) modified
GL_win.h:
draw_ps() created and
reshape() modified.
int scale become int *scale
Viewer_3.h:
int scale become int *scale
constructors modified and created (two new)
draw_CGAL_objects.h:
to_ps() created for each Drawable_"object"_3 class
new class : Drawable_triangulation_3 : 2D triangulation with 3D points
scene_group.h:
constructors and destructors modified