algorithmic modeling for Rhino



Gismo is a free and open source Grasshopper plugin for GIS environmental analysis.


Licensed under GPL-3.0+ license

Location: Antarctica
Members: 236
Latest Activity: Mar 23


Gismo enables automatic generation of urban environment and terrain geometry based on location's latitude-longitude coordinates/or address and radius. This includes connection with openstreetmap website and generation of buildings, trees, roads, rivers and other map elements. 3d building elements can also be used as a context for further analysis types: isovist (visibility), solar radiation, thermal/wind comfort, cfd analysis...

Discussion Forum

Terrain Generator: APIkey is incorrect 3 Replies

Hi! I have been trying to use Terrain Generator for a few hours now without results. I replaced all user objects with the last version, read about the API key update, got mine and it still gives me this message. I haven't found this precise one…Continue

Started by Sebastian Novoa. Last reply by djordje Dec 4, 2023.

Estimate tree's CO2 sequestering with Gismo

We are adding a new "Tree CO2" component which can simplify calculation of CO2 sequestered by a tree for its lifespan. The calculation is provided in kilograms.Download the…Continue

Tags: climate, emissions, greenhouse, sequestering, CO2

Started by djordje Feb 26, 2023.

Runtime error with OSM3D 5 Replies

Hi everyone,First let me say that I love Gismo, it has completely changed my design workflow. That said, I have encountered an new error when attempting to run OSM3D:Runtime error (TypeErrorException): unsupported operand type(s) for +: 'NoneType'…Continue

Started by Andrew Boehm. Last reply by djordje Oct 9, 2022.

COM class factory issue 35 Replies

Hi to allI want to try this plug-in. I have installed all requirements (Rhino 5, Grasshopper, Ghpython, MapWinGIS).I have defined the MapWinGis folder because at the first attempt the installation folder was not recognized:…Continue

Started by Francesco. Last reply by djordje Sep 13, 2022.

error in LB- EnviMet building terrain 7 Replies

Hi all,I´m a new user of Gismo. Iget this error when connecting terrain to the building terrain command: "Please move terrain".Could you please help me to solve it?Thanks in advance.PatriciaContinue

Started by Patricia Edith Camporeale. Last reply by Patricia Edith Camporeale May 29, 2022.

Terrain Shading Mask 1 Reply

I am getting the error above about not connecting to open topography. But I cam confused because the Terrain generator has an input for an API key and it works just fine. The only problem is the terrain shading mask. There isn't a link for an API…Continue

Started by Jenna Cangialosi. Last reply by djordje Apr 2, 2022.

reading OSM file 30 Replies

1.pngHi everyone. I am new to Gismo. I currently installed it successfully but there is an error in reading the OSM file. I…Continue

Started by niloofar. Last reply by niloofar Mar 18, 2022.

Gismo Terrain Generator Component Issue 2 Replies

Hi all,I've been experiencing issues with the Gismo_Terrain Generator (TerrainGenerator) Component. It's failing to gather the terrain data from It seems that this may be an issue on the component side or the REST services side…Continue

Started by Steven Danilowicz. Last reply by djordje Mar 4, 2022.

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