algorithmic modeling for Rhino


Ladybug + Honeybee

Ladybug and Honeybee are two open source environmental plugins for Grasshopper to help designers and engineers create an environmentally-conscious building design.

Installation Instructions

Download Ladybug and Honeybee

Remove Old Version

Ladybug PrimerHoneybee Primer

Example Files for Ladybug

Example Files for Honeybee

Ladybug on GitHub

Honeybee on GitHub

Use this Reference for your Publications.

Licensed under @license GPL-3.0+

Read more here

Members: 1167
Latest Activity: 1 hour ago


What is Ladybug?

Ladybug is an open source environmental plugin for Grasshopper3D that helps architects and engineers create an environmentally-conscious architectural design.  Ladybug imports standard EnergyPlus Weather files (.EPW) into Grasshopper and provides a variety of 3D interactive graphics to support the decision-making process during the initial stages of design.

What is Honeybee?

Honeybee connects Grasshopper3D to EnergyPlus, Radiance, Daysim and OpenStudio for building energy and daylighting simulation.The Honeybee project intends to make many of the features of these simulation tools available in a parametric way.

You can get started by watching this video:

Here are four separate playlist:

Want to see a full presentation?

Check out this presentation or watch it: Part1Part 2

And this video here:

Discussion Forum

Discordance in values and Test Points of a Mesh 1 Reply

Hi everybody,Thanks to Abraham I have managed to plot the Zone Operative Temperature in Rhino running the simulation for a week. (Thank you so much Abraham!!)But there is still something that i don´t undertstand:Even if my area is 1532 mq and the…Continue

Tags: HoneyBee, LadyBug

Started by Claudia. Last reply by Claudia 1 hour ago.

shadow range diagram question 6 Replies

Hi everybody,i am trying to get my head around the shadow range analysis which i downloaded fromhydra.i have attached the file i am experimenting at the moment.I want to show the shadows inside the box to seehow much daylight i get inside the…Continue

Started by Findie. Last reply by Findie 1 hour ago.

Fatal error during optimization process 4 Replies

Hi everyone,I have imported an IDF and create new schedule based on occupancy and all the definition works.I would like to optimize the results using octopus but after 3 simulation the energy plus run component stops working. Someone can you help…Continue

Started by Andrea Zani. Last reply by Andrea Zani 3 hours ago.

Ladybug, psychrometric chart and humidity ratio 4 Replies

Hello.I used the Ladybug humidity ratio (HR) calculator but if i not consider annual weather data it dosen't work: …Continue

Started by Francesco. Last reply by Mostapha Sadeghipour Roudsari 4 hours ago.

There are duplicate names in input zones. Zone names cannot be duplicate. Rename the zones and try again! 4 Replies

Hello everyone,I have been watching Chris's energy modeling videos and its really great thanks Chris for the effort.I'm trying honeybee and ladybug for the first time to run energy analysis for a small hotel but i have faced that issue....1. There…Continue

Started by Gabr Mohamed. Last reply by Mostapha Sadeghipour Roudsari 4 hours ago.

Galapagos/Octopus headache 2 Replies

Hello everyone, I am seeking your general advice in terms of using Galapagos/Octopus. I do not know whether it is the display issue associated with my computer only, I always start with blank interface when I start running Galapagos/Octopus (below…Continue

Started by Cheney. Last reply by Mostapha Sadeghipour Roudsari 4 hours ago.


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