CityDigitalTwinExporter

Rhino plugin · v2.1.1 · updated 9/14/2026

Export Rhino models to CityDigitalTwin, the urban climate simulation platform by Planète GreenLeaves. Adds two commands. CDT_ExportAsciiSTL writes simulation-ready geometry: correct axes (+X east, +Y up, +Z south), metres, outward normals, ground on the zero datum, and one solid per object, named after your Rhino layers and objects so every solid can be traced back to what you modelled. A single object holding several buildings still comes out as one solid per building. CDT_AssignType tags selected objects with a vegetation, soil, road, water or building type, exported as the assignment CSV files the CityDigitalTwin web app reads when you create a project. It also removes interior geometry the simulation can never see, adds or removes the floor a building stands on to suit the solver you are running, fills bare parts of the site with ground, and reports anything left floating above it. Organise geometry under layers named Buildings, Trees, Grasses, Grounds, Roads and Waters, and the exporter handles the rest.

Total downloads

27

Recent downloads

+3 / week+20 in the last month

Latest version

v2.1.19/14/2026

Releases

5every ~11d

First released

8/3/2026

Download size

45 KB

License

MIT

Authors

Planète GreenLeaves

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