Initialize.
| Call | DclInitSHT | (A mm, jm, im, [idx]) |
| Mm | < I > | A mutilation wave number (M). |
| Jm | < I > | 1/2 (the J) of north and south division numbers |
| Im | < I > | 1/2 (I) of east and west division numbers |
| Idx | < I > | Work area number. The default value is1. |
None