This enumeration contains general purpose compass directions.

Values:

IG_COMPASS_N	North.
IG_COMPASS_NE	North-East.
IG_COMPASS_E	East.
IG_COMPASS_SE	South-East.
IG_COMPASS_S	South.
IG_COMPASS_SW	South-West.
IG_COMPASS_W	West.
IG_COMPASS_NW	North-West.