GHCitySim is a Grasshopper interface for CitySim, an urban-scale energy simulation tool developed at EPFL.

It is coded in Python and relies on the Ladybug tools. It is released under the GPL-3.0+ license

Both the source code and the compiled Grasshopper components are available through the Github repository.

GHCitySim is free to use. You are kindly invited to acknowledge its use by citing the related publication in a research paper you are writing, reports, and/or other applicable materials.

Get the tool from GitHub

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