| 
 DclInitSHT    (SHTINT)  | 
Initialize. | 
| 
 DclDeallocSHT    (----)  | 
 A workspace is released. | 
| 
 DclGetSpectrumNumber    (SHTNML)  | 
Get housing location of spectrum data. | 
| 
 DclOperateLaplacian    (SHTLAP)  | 
 Laplacian is computed to spectrum data. | 
| 
 DclSpectrumToGrid    (SHTS2G)  | 
Transform from spectrum data to grid data. | 
| 
 DclGridToSpectrum    (SHTG2W)  | 
Transform from grid data to spectrum data. | 
| 
 D clSpectrumToGridForWave    (SHTWGM, SHTSGM, SHTSWM)  | 
Transform from spectrum data to grid data. (Wave number designation) | 
| 
 Dc lSpectrumToGridForZonal    (SHTWGZ, SHTSGZ, SHTSWZ)  | 
Transform from spectrum data to grid data. (A band state component) | 
| 
 DclSp ectrumToGridForLatitude    (SHTSGJ, SHTSWJ, SHTGJ)  | 
Transform from spectrum data to grid data. (Latitude circle designation) | 
| 
 DclGetLegendreFunctions    (SHTFUN)  | 
 The calculation of associated Legendre function. | 
| 
 DclLegendreTransform_F    (SHTLFW)  | 
 Legendre positive conversion. | 
| 
 DclLegendreTransform_B    (SHTLBW)  | 
 Legendre Backward transformation. | 
*The corresponding f77 interface name in parentheses.