Converts the given meshes into CityObjects.
The CityGML object type is set to the value of the gml:type
attribute of the mesh
(or Building
if not set).
The LOD is set to the value of the bldg:lod
attribute of the mesh (or 2.0
if not set).
The geometry type can be set by the value of the gml:geometryType
attribute of the mesh
(possible values: Solid
, MultiSurface
). By default, it is set to Solid
.