class RGeo::CoordSys::CS::HorizontalDatum

OGC spec description

Procedure used to measure positions on the surface of the Earth.

Attributes

ellipsoid[R]

Returns the Ellipsoid.

wgs84_parameters[R]

Gets preferred parameters for a Bursa Wolf transformation into WGS84. The 7 returned values correspond to (dx,dy,dz) in meters, (ex,ey,ez) in arc-seconds, and scaling in parts-per-million.

Public Class Methods

create(name_, datum_type_, ellipsoid_, wgs84_parameters_, *optional_) click to toggle source

Create a HorizontalDatum given a name, datum type code, Ellipsoid, and WGS84ConversionInfo. The WGS84ConversionInfo is optional and may be set to nil. You may also provide the optional parameters specified by the Info interface.

# File lib/rgeo/coord_sys/cs/entities.rb, line 970
def create(name_, datum_type_, ellipsoid_, wgs84_parameters_, *optional_)
  new(name_, datum_type_, ellipsoid_, wgs84_parameters_, *optional_)
end