SamplingFeatureType ODM2 Working Group A vocabulary for describing the type of SamplingFeature. Many different SamplingFeature types can be represented in ODM2. SamplingFeatures of type Site and Specimen will be the most common, but many different types of varying levels of complexity can be used. Scene A two-dimensional visual extent within a physical environment. SamplingSurface Term from OGC Observations & Measurements. Partial definition from Wikipedia. Term retrived from OGC Observations & Measurements (e.g., see https://www.seegrid.csiro.au/wiki/AppSchemas/ObservationsAndSampling#Sampling_model). Parts of the definition came from Wikipedia (see http://en.wikipedia.org/wiki/Scene_(perception)).