Source: dataset/helpers/sector/dshelper_sector__sector_menu.pro
dshelper_sector::sector_menu Menu to select sectoring options for datasets inheriting the dshelper_sector class. Usage: dsdef -> sector_menu Keyword: group long Widget ID of a group leader. History: Original: 7/12/99; SJT Modify to put the averaged sectors first in the storage: 20/12/99; SJT Make 'ALL' button exclude average & add "Everything" button: 20/3/01; SJT