CityGML-3.0Encodings
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opengeospatial
Encodings for the CityGML 3.0 Conceptual Model
In the meeting on 21 October 2021 we discussed the GML encoding of code lists. - The code lists should be kept simple, i.e. they should only contain codes with...
In the web meeting on 12 January we discussed the document structure. - We will use the document structure provided by Chuck on github. This structure contains everything we need....
There seems to be inconsistency in multiplicity between data dictionary of conceptual model and XMLSchema. For example in CityGML 3.0 Part 1 table 668, the multiplicity of buildingInstallation is [1..*],...
As discussed in our last subgroup meeting, here is a PDF with some comments and edits for chapter 6.1. [21-006.pdf](https://github.com/opengeospatial/CityGML-3.0Encodings/files/8178986/21-006.pdf)
Paul Birkel has written up the TB17 recommendations regarding the CityGML 3.0 CM and its associated draft XML Schema encoding. they are located in the "documents" folder [here](https://github.com/opengeospatial/CityGML-3.0Encodings/blob/master/documents/List%20Representation%20in%20the%20CityGML%203.0%20CM.docx). Please let...
Please consider supporting integrity (and authenticity) as defined in [XML Signature Syntax and Processing Version 1.1](https://www.w3.org/TR/xmldsig-core1/)
In the CityGML 3.0 Conceptual Model, dependency from GML has been overcome by defining the GML concepts in a language-independent way in the Conceptual Model itself. See issues opengeospatial/CityGML-3.0CM/issues/16 and...
In `AbstractCityObjectType`, the `generalizesTo` property has the type `gml:ReferenceType`. This means it can only be used to reference a city object but it cannot contain a city object inline. This...
In CityGML 2.0, the geometry of a feature like `Building` can be stored with the feature itself but also spread across various sub-features on different hierarchy levels. Moreover, sometimes the...
From a developer's point of view, I think XLinks are really one of the things that cause a lot of pain when processing (City)GML datasets. And what comes on top:...
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Encodings for the CityGML 3.0 Conceptual Model