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I have some data that I'm currently writing into citygml and cityjson. Azul renders my gml just fine, but when I write the same data out into cityjson v0.6 the geometries are way off.
Notes on the …
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Convert the cityjson into gltf
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2nd-level CityObjects like `"BuildingInstallation"` offer a `"parent"` property of type string which is the ID of the parent CityObject. It is assumed that every 2nd-level CityObject has exactly one p…
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It looks like the referenceSystem in the metadata is missing. For me it only export the bbox.
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```
$ ./citygml-tools --version
hallo
1.0
bla
```
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Just came across https://www.shapenet.org/, which is a repo of models and per-model/per-mesh classification. The models are available as OBJ+MTL.
Perhaps glTF would be very useful here, especially…
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In a certain instance the CityGML output is an empty file, while the OBJ and CityJSON are constructed without problem.
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I just read through the [Extensions chapter](http://www.cityjson.org/en/0.8/extensions/) of the CityJSON 0.8 specification on http://www.cityjson.org and came across the following:
> While Extensio…
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The [CityJSON extension specification ](http://www.cityjson.org/en/0.8/extensions/#id5) discusses two possible alternatives for adding new attributes to a City Object: 1) simply add the new attributes…
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The CityJSON extension mechanism allows adding new semantic surfaces by simply adding "+" to their name. My question is whether these names also have to be listed in the `"extensions"` member of the `…