AltitudeReferenceSystem enumeration

Applies to Windows and Windows Phone

Indicates the altitude reference system to be used in defining a geographic shape.

Syntax


var value = Windows.Devices.Geolocation.AltitudeReferenceSystem.unspecified;

Attributes

[Version(0x06030000)]

Members

The AltitudeReferenceSystem enumeration has these members.

MemberValueDescription
Unspecified | unspecified0

The altitude reference system was not specified.

Terrain | terrain1

The altitude reference system is based on distance above terrain or ground level.

Ellipsoid | ellipsoid2

The altitude reference system is based on an ellipsoid which is a mathematical approximation of the shape of the Earth.

Geoid | geoid3

The altitude reference system is based on the distance above sea level.

Surface | surface4

The altitude reference system is based on the distance above the tallest surface structures, such as buildings, trees, roads, etc., above terrain or ground level.

Remarks

Note that the Terrain, Geoid, and Surface are implementation dependent and not mathematically precise.

Currently, the Windows Location Provider supports "Ellipsoid". The Windows Phone Location Services support "Geoid"

Requirements

Minimum supported client

Windows 8.1

Minimum supported server

None supported

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.Devices.Geolocation
Windows::Devices::Geolocation [C++]

Metadata

Windows.winmd

 

 

Show:
© 2014 Microsoft