Gets information about a projection system.
(ade_projgetinfo cscode info_type)
Returns a piece of projection system information or nil.
| cscode | Coordinate system code (string), eight characters |
| info_type | Information type (string); see Information Types below |
| description | Description (string). For example, "World Geodetic System of 1984 Latitude/Longitude in Degrees". |
| projection | Projection (string). For example, "Unity Conversion, produce/accept lat/longs". |
| datum | Datum (string). For example, "North American Datum of 1927, Mean Values". |