altitudeSysDef
altitudeSysDef(altitudeDatumName = NULL, altitudeResolution = NULL, altitudeDistanceUnits = NULL, altitudeEncodingMethod = NULL)
| altitudeDatumName | The identification given to the surface taken as the surface of reference from which altitudes are measured. See |
|---|---|
| altitudeResolution | The minimum distance possible between two adjacent altitude values, expressed in Altitude Distance Units of measure. See |
| altitudeDistanceUnits | Units in which altitude is measured. See |
| altitudeEncodingMethod | The means used to encode the altitudes. See |
a altitudeSysDef list object