| british_isles | British Isles |
| gpat_create_grid | Grid polygon creator |
| gpat_header_parser | Parse a header of a GeoPAT 2 grid file |
| gpat_read_distmtx | Read a GeoPAT distance matrix |
| gpat_read_txt | Read a GeoPAT 2 text output |
| gpat_st_make_grid | Grid polygon creator (without a header) |