altitudeSysDef

altitudeSysDef(altitudeDatumName = NULL, altitudeResolution = NULL,
  altitudeDistanceUnits = NULL, altitudeEncodingMethod = NULL)

Arguments

altitudeDatumName

The identification given to the surface taken as the surface of reference from which altitudes are measured. See altitudeDatumName()

altitudeResolution

The minimum distance possible between two adjacent altitude values, expressed in Altitude Distance Units of measure. See altitudeResolution()

altitudeDistanceUnits

Units in which altitude is measured. See altitudeDistanceUnits()

altitudeEncodingMethod

The means used to encode the altitudes. See altitudeEncodingMethod()

Value

a altitudeSysDef list object