Smooth out a surface according median_filter procedure
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=R8), | intent(inout), | dimension(:,:) | :: | tab | 
                 array containing the surface  | 
        |
| type(SCALE_SURF), | intent(in) | :: | scal | 
                 SCALE_SURF object  |