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Scatter random trees and plants across undulating terrain

Paul King
Mentor

I have used scatters in the Octane plugin for ArchiCAD (which appear only in the rendered result) , and via the vegetation brush in Twinmotion, but am quite keen to scatter a forest on a large undulating terrain directly within ArchiCAD, so that the trees (which will be simple & semi translucent) can be switched on and visible during a live editing /workshop session.

 

Reading this forum, I found a link to a quite cool GDL scatter object by Svetlana Gajos that can scatter macro objects within various defined array types. https://www.youtube.com/@svetlanagajos .  This could work to scatter tree macros across a flat site, but I don't see an obvious way to use this to scatter objects across a terrain such that each object in the scatter is subject to gravity and is placed accurately on the mesh surface.

 

Is there some clever way to do this within ArchiCAD as yet?

 

 

 

 

 

 

PAUL KING | https://www.prime.net.nz
ArchiCAD 8-27 | Twinmotion 2023
Windoze 11 PC | Intel Core i9 10900K | Nvidia Gforce RTX 3080 | 32 Gb DDR3 | 2x4K monitor extended desktop
3 REPLIES 3
Mathias Jonathan
Advocate

Apart from the grasshopper connection, I can't think of anything else.

Paul King
Mentor

I looked briefly at grasshopper years ago, but was put off by what seemed an enormous learning curve to do anything relevant to my needs, and (if I remember rightly) a staggeringly expensive subscription needed for Rhino, both of which seemed out of proportion to my envisaged once or twice per decade usage... 

PAUL KING | https://www.prime.net.nz
ArchiCAD 8-27 | Twinmotion 2023
Windoze 11 PC | Intel Core i9 10900K | Nvidia Gforce RTX 3080 | 32 Gb DDR3 | 2x4K monitor extended desktop
Paul King
Mentor

To answer my own question, there does look to be a way https://centralinnovation.com/technical-resources/tips-and-tricks/place-objects-with-ciselect-tools/

Will give this a try

PAUL KING | https://www.prime.net.nz
ArchiCAD 8-27 | Twinmotion 2023
Windoze 11 PC | Intel Core i9 10900K | Nvidia Gforce RTX 3080 | 32 Gb DDR3 | 2x4K monitor extended desktop

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