A vocabulary for describing the type of SpatialOffset that exists between two SamplingFeatures. ODM2 Working Group ODM2 Spatial Offset Type Controlled Vocabulary Offset expressed as a distance along a ray that originates from a central point. The angle of the ray is expressed as the first offset coordinate in degrees. The distance along the ray is expressed as the second offset coordinate. Radial horizontal offset Distance along ray Degrees from north 2D