SS-EN-ISO-19156 Geographic information - Observations and measurements (ISO 19156:2011)


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ISO 19156:2011 defines a conceptual schema for observations, and for features involved in sampling when making observations. These provide models for the exchange of information describing observation acts and their results, both within and between different scientific and technical communities. Observations commonly involve sampling of an ultimate feature-of-interest. ISO 19156:2011 defines a common set of sampling feature types classified primarily by topological dimension, as well as samples for ex-situ observations. The schema includes relationships between sampling features (sub-sampling, derived samples). ISO 19156:2011 concerns only externally visible interfaces and places no restriction on the underlying implementations other than what is needed to satisfy the interface specifications in the actual situation.

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Designation Name

SS-EN ISO 19156:2013

Revision Level




Publication Date

Aug. 9, 2013



Page Count


International Equivalent

EN ISO 19156:2013(IDT); ISO 19156:2011(IDT)