Re: [sdw] Discussion item: disjoint theoretical model / encodings cityGML

It is true that the LandInfra conceptual model was approved as a standard before the implementation parts were approved. Like with CityGML, very careful UML was developed in the conceptual model for Land Infra. I do know that the implementation work for Land Infra (standardized as InfaGML) was underway at the same time as those parts started the approval process pretty quickly behind the conceptual model. Minor correction to Peter's comment: there was not a corrigendum to the conceptual model, but it did get an update after the public comment period mostly as a result of the work on implementation.

We had an interesting debate at the 2015 Boulder meeting on whether UML or other modeling languages should be required in OGC standards. The results was "encouraged, not required." As other SWG talk about splitting their conceptual from implementation models, I think that a little more rigor in model evaluation will likely need to occur.

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Received on Friday, 10 August 2018 15:34:38 UTC