| UD:RSIZEL | CONTOUR_LABEL_HEIGHT | real |
| UD:RSIZET | CONTOUR_MESSAGE_HEIGHT | real |
| UD:XTTL | CONTOUR_MESSAGE_POSITION | real |
| UD:INDXMJ | MAJOR_CONTOUR_INDEX | integer |
| UD:INDXMN | MINOR_CONTOUR_INDEX | integer |
| UD:ISOLID | POSITIVE_CONTOUR_TYPE | integer |
| UD:IDASH | NEGATIVE_CONTOUR_TYPE | integer |
| UD:ICYCLE | MAJOR_CONTOUR_CYCLE | integer |
| UD:NLEV | CONTOUR_LEVEL_NUMBER | integer |
| UD:LDASH | ENABLE_NEGATIVE_CONTOUR | logical |
| UD:LABEL | ENABLE_LABELED_CONTOUR | logical |
| UD:LMSG | ENABLE_CONTOUR_MESSAGE | logical |
| UD:IUNDEF | -- ???? -- | integer |