Introducing the DIVA-4.0 Public Beta

Calculating lighting and window shade schedules for inclusion in an Archsim energy model

Release of DIVA-4.0 Beta

This message has been a long time coming! We are pleased to announce the availability of the DIVA-4.0 public beta for download. The DIVA Grasshopper tools have been completely revamped for this release. We have added Archsim for multi-zone energy modelling, and fully coupled lighting and energy simulations are now possible! There are many simulation workflow improvements and interface improvements as well. DIVA-4.0 also features some great updates to the 3.0 version, including hybrid luminance images with illuminance contours, inclusion of the Utah colored sky model by Mark Stock on Windows and the photon mapping forward ray tracing module.

Download the beta installer, and let us know your thoughts in the comments or via e-mail to Please rename your C:\DIVA\ folder to C:\DIVA-3.0\ before running the installer.

Daylighting and Energy Modelling Training with DIVA-4.0

If you would like to learn the basics of lighting calculations, advanced parametric workflows or about lighting measurement using high dynamic range photography, join us for training sessions at this year's Passive and Low Energy Architecture conference, PLEA in Los Angeles. More details on the training sessions can be found in our blog post. Register for PLEA and the training soon.

Simulating and displaying image visualizations from the Grasshopper canvas


What is DIVA-for-Rhino?

DIVA-for-Rhino is a highly optimized daylighting and energy modeling plug-in for the Rhinoceros - NURBS modeler. The plug-in was initially developed at the Graduate School of Design at Harvard University and is now distributed and developed by Solemma LLC. DIVA-for-Rhino allows users to carry out a series of environmental performance evaluations of individual buildings and urban landscapes including Radiation Maps, Photorealistic Renderings, Climate-Based Daylighting MetricsAnnual and Individual Time Step Glare Analysis, LEED and CHPS Daylighting Compliance, and Single Thermal Zone Energy and Load Calculations.


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he process cannot access the file Temp-011971.oct because it is being used by another process.

Started by Stephan Griese in DIVA-Grasshopper (version 4.0). Last reply by Jon Sargent 8 hours ago. 3 Replies

I have a problem , I start the example file for radiation analys and I get this error message from the component.the process cannot access the file Temp-011971.oct because it is being used by another process.Many thanks in advance for your…Continue

PV material

Started by Bahare in DIVA-Rhino (version 4.0). Last reply by Bahare 16 hours ago. 3 Replies

Hi,I am trying to simulate Daylight grid-based Radiation map due to the installation of PV panels.The material I assigned for PV is GenericTranslucentPanel_20, but I do not know which material is the best option.Any suggestion? Thanks./BahareContinue


Started by Steve Gollehon in DIVA-Rhino (version 4.0) yesterday. 0 Replies

Hello,Has support been added for BSDF materials regarding annual simulations?  I thought this was planned for the new release but received an error during my annual simulation.Thanks,SteveContinue

Understanding .ies Files

Started by Kera Lagios in DIVA-Rhino (version 4.0) yesterday. 0 Replies

Hi Everyone,Alstan has put some great work into making it possible to import .ies files into your Rhino models with DIVA 4.0. But sometimes there is a need to change either the graphic representation (luminous dimensions) of the light source or to…Continue

Tags: electric, lights, .ies, ies

The pipe has been ended

Started by Nassim Jamali in DIVA-Rhino (version 4.0). Last reply by sperrault yesterday. 6 Replies

Hello,I've been trying the latest version of DIVA 4.0I want to congratulate you on the big improvement that you provided to the tool. Great work!I was running through the examples you've put. Whenever I've been trying to run the visualization tool,…Continue

Visualization and grid--based simulation error

Started by CD2005 in DIVA-Rhino (version 4.0) yesterday. 0 Replies

Hello everyone,I'm using DIVA 4.0 with Rhino 5 and I'm having some problems. I got some really strange results where 100% of my floor area is daylit and a mean daylight factor of 99.99% and when I try to run a simple visualization it fails (attached…Continue


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