Hi, I agree with Martin's proposed rewording.
Richard On 31/07/2018 18:22, Martin Doerr wrote: > > Dear All, > > The current scope note of E94 Space Primitive reads: > > > E94 Space Primitive > > Subclass of: _E59 <#_E59_Primitive_Value>_ Primitive Value > > > > Scope Note: This class comprises instances of E59 Primitive > Value for space that should be implemented with appropriate > validation, precision and references to spatial coordinate systems to > express geometries on or relative to earth, or any other stable > constellations of matter, relevant to cultural and scientific > documentation. > > An E94 Space Primitive defines an E53 Place in the sense of a > declarative place as elaborated in CRMgeo (Doerr and Hiebel 2013), > which means that the identity of the place is derived from its > geometric definition. This declarative place allows for the > application of all place properties to relate phenomenal places to > their approximations expressed with geometries. > > Definitions of instances of E53 Place using different spatial > reference systems always result in definitions of different instances > of E53 place approximating each other. > > > > Instances of E94 Space Primitive provide the ability to link CRM > encoded data to the kinds of geometries used in maps or Geoinformation > systems. They may be used for visualisation of the instances of E53 > Place they define, in their geographic context and for computing > topological relations between places based on these geometries. > > Note that it is possible for a place to be defined by phenomena causal > to it or other forms of identification rather than by an instance of > E94 Space Primitive. In this case, this property must not be used for > approximating the respective instance of E53 Place with an instance of > E94 Space Primitive. E94 Space Primitive is not further elaborated > upon within this model. Compatibility with OGC standards are recommended. > > The last paragraph above talks about the property. This is wrong. I > propose: > > *new last paragraph*: > > Note that it is possible for a place to be defined by phenomena causal > to it, such as a settlement or a riverbed, or other forms of > identification rather than by an instance of E94 Space Primitive. Any > geometric approximation of such a place by an instance ofE94 Space > Primitiveconstitutes an instance of E53 Place in its own right, i.e., > the approximating one. E94 Space Primitive is not further elaborated > upon within this model. Compatibility with OGC standards are recommended. > > Please comment. > > Martin > > -- > -------------------------------------------------------------- > Dr. Martin Doerr | Vox:+30(2810)391625 | > Research Director | Fax:+30(2810)391638 | > | Email: [email protected] | > | > Center for Cultural Informatics | > Information Systems Laboratory | > Institute of Computer Science | > Foundation for Research and Technology - Hellas (FORTH) | > | > N.Plastira 100, Vassilika Vouton, | > GR70013 Heraklion,Crete,Greece | > | > Web-site: http://www.ics.forth.gr/isl | > -------------------------------------------------------------- > > > _______________________________________________ > Crm-sig mailing list > [email protected] > http://lists.ics.forth.gr/mailman/listinfo/crm-sig -- *Richard Light*
