Hi
I am currently looking to create a CityGML model of the buildings in a specific area using various spatial data. I have followed this tutorial Point Cloud to 3D Terrain Model with Buildings and obtained an Adobe 3D PDF model of the buildings
But I now want to convert this model into a CityGML LOD2 model. Is this possible?
Since I have just started using FME and am not very familiar with the software, what should my next steps be? Could you provide some useful references?
Thanks for your advice
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It’s a bit difficult to create CityGML from a point cloud and a terrain model.
CityGML typically expects proper/simple roof shapes rather than something with might come out of a surface build from a point cloud.
To help get started with writing out CityGML with FME I would encourage you to check out the FME Hub and have a look at some of the existing worksapce template files here:
https://hub.safe.com/?page=1&page_size=20&types=templates&order=relevance&query=CityGML
these template workspaces already contain sample data and can be a starting point for a workflow.
In most cases, however, the 3D data have usually been modelled in another format and the workspace only reflect a conversion of the geometries and semantics into CityGML.