The polygons that belongs to buildings are not separate (All vertex points are snapping each other) but sharing web scene this project, building's polygons seems separate.
Why this is happening? and how can I solve this problem?
I have experienced a similar situation with gaps appearing between polygons on exported web scenes, as shown in the image below.
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I have attached a zip file of a CityEngine 2013 project that demonstrates the issue. When the generated models are exported to a web scene, gaps that weren't visible in CityEngine appear between the polygons.