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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+

http://spdx.org/licenses/GPL-3.0+

Read more here

Website: https://www.facebook.com/LadybugAnalysisTools
Members: 1190
Latest Activity: 10 minutes ago

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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

[solved] [urgent] error probably related to wrongly written IDF file on the class of SizingPeriod 22 Replies

For the attached simple demo file, I got the following errors when running EnergyPlus simulation:   ** Severe  ** IP: IDF line~48 Invalid Number in Numeric Field#7 (Enthalpy at Maximum Dry-Bulb  ), value=WINTERDESIGNDAY, in…Continue

Started by Grasshope. Last reply by Chris Mackey 10 minutes ago.

Radiant Temperature Map °C too high during night 14 Replies

Hi all,I have a weird error and am wondering whether anyone saw it before.Running a single hour radiant temp analysis during the nighttime, highly glazed space, subarctic climate gives me the attached output- basically higher radiant temps near the…Continue

Started by Max D. Last reply by Max D 2 hours ago.

Window Shade Generator: Simulation Result output is same for Blinds on/off schedule 7 Replies

Hey All,The simulation output for blinds schedule in window shade generator component gives out similar results, it is not affecting the solar gains or operative temperature. Could someone take a look at my file and let me know the issue? Thank…Continue

Started by Vinu Subashini. Last reply by Chris Mackey 8 hours ago.

Simulation error: 'EPZone' object has no attribute 'cenPt' geometry

Hi. I've created a building manually, with levels and windows. I turned the geometry into honeybee zones, created the windows with Add glazing tool and now I'm trying to simulate it, but i get this error message: Solution exception:'EPZone' object…Continue

Started by Andressa L. Saraiva 20 hours ago.

Outdoor Comfort and Tree Transparency 5 Replies

Greetings, Has anyone had any success in modeling tree transparency with regards to outdoor thermal comfort? I am attempting to utilize the UTCI calculator in Ladybug with the use of the Solar Adjusted MRT component. There current does not seem to…Continue

Tags: MRT, Ladybug, UTCI

Started by Kit Elsworth. Last reply by Etienne Burdet 22 hours ago.

Reference for HVAC System Library 3 Replies

Thank you for including OpenStudio 90.1 HVAC systems in Honeybee! Where can I find reference for system assumptions, I looked for on the OpenStudio website, couldn't find it..Continue

Started by Arpan Bakshi. Last reply by Chris Mackey 23 hours ago.

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