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How to generate buildings when I have the shapes of roofs?

Question asked by re.georgiou_theCyI on Sep 18, 2020
Latest reply on Sep 28, 2020 by CLau-esristaff

In CityEngine, I have a GIS dataset that includes the shapes of roofs on their proper altitudes, meaning that the shapes are in the air (they have x, y and z values). I also have the terrain surface and a height for each shape/building (an average height probably).

Any idea of how I can properly generate the buildings using that information?

I have tried extruding downwards but the results are not very good. Not that a number of roof shapes are inclined and I don't want to lose that amount of detail.

I was thinking of projecting the roof shapes to the terrain and then extruding the copied shapes to the original roof shapes. Anyone know if this is somehow possible?