Thanks everybody for your help. In fact no attribute clause was defined in my data file, and it was working only with the array pointed to by the "data" field component. Now I have put an attribute "dep" clause for each data array and "Mark" is working as expected.
Best regards -- Richard GRENON ONERA Departement d'Aerodynamique Appliquee - DAAP/ACI BP 72, 92322 CHATILLON CEDEX - FRANCE phone : +33 1 46 73 42 17 fax : +33 1 46 73 41 46 mailto:[EMAIL PROTECTED] http://www.onera.fr
