g_cad_file(initialize):-
	tell_usr(geom_format, viewer),
	feedback(file_geom).

feedback(file_geom, novice):-
	chat_usr([
		'This form allows you to import the geometrical',
		'description of a building from an external source',
		'(viewer, autocad, acropolis).'
		]).

geom_file(_Zn_file):-
	to_bb(application, start,perspective,_Zn_file).

perspective_complete(_Pic_name):-
	tell_usr(geom_file_pic, _Pic_name).

