CityEngine CGA “ extrude” Use questions

[GGgarlic]

Using extrusion will produce such redundant faces. How to remove them?

 

 

[JonasObertuefer]

Hi,

This is because you have multiple initial shapes next to each other.

There are two way to get ride of the faces in-between:

1. Combine the sidewalk shapes together into one:

• Select the sidewalks
• Menu -> Shapes -> Convert Models to Shapes
• Menu -> Shapes -> Combine Shapes
• Apply your rule to this large sidewalk shape

Note: The shape created is not updated when you make changes to your street network.

2. Using occlusion queries:

Sidewalk --> extrude(10)
             comp(f) { side : Wall }

Wall --> case touches(inter): NIL   // using inter occlusion
         else : Wall.

See comp operation, touches() function  and context and occlusion queries in the cga docs for more infos.

Hope this helps!

Cheers
Jonas

[GGgarlic]

It works. The number of scenes has been reduced a lot. Thank you very much!