We are pleased to announce that the registration for DIVA Day 2016 is now open. DIVA Days is an annual symposium to discuss the use of DIVA and associated environmental analysis tools in design practice, research and architectural education. More

We're also holding a third annual DIVA Day Student Competition, with a $1500 prize! 


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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Simple model taking forever to run low quality point-in-time visualization

Started by Rauland Schaat in DIVA-Rhino (version 4.0). Last reply by Jon Sargent 43 minutes ago. 5 Replies

I have a model that is fairly simple geometry wise, but it is taking forever to run even a point-in-time visualization on the lowest quality setting. I've spend the past couple days adjusting the model/materials/parameters to try to identify what…Continue

Solar time or Local time for the Perez sky model

Started by Zhe Kong in DIVA-Rhino (version 4.0). Last reply by Zhe Kong 6 hours ago. 2 Replies

Hello DIVA community:I am using the Perez sky model and this question just occurred to me: Should I put solar time or local time into the Perez sky model?Since gendaylit has both options, which one is set by default in DIVA-for-Rhino?Thank you for…Continue

1. Solution exception:Value cannot be null. Parameter name: collection

Started by Dan Weissman in DIVA-Grasshopper (version 4.0). Last reply by Dan Weissman 15 hours ago. 2 Replies

I get this error with DA calc in grasshopper when i try to set some of the windows to have shades. still writes .ill files and shading profiles, but doesn't show grid.any thoughts?Continue

Tags: error, daylight, annual

Archsim Custom Schedules and Constructions

Started by Elliot G in DIVA-Grasshopper (version 4.0). Last reply by Jeff G 23 hours ago. 6 Replies

I have a question about the thermal components.I am attempting to run just a single zone model. After a process of trial and error (and checking the .err file) It seems that whenever I try to define a custom schedule or construction on the canvas,…Continue

Modelling perforated screens for thermal analysis

Started by DORIS CHI POOL in DIVA-Rhino (version 3.0) yesterday. 0 Replies

HiI am trying to simulate a perforated solar screen (no thickness) which be located 5mm in front of a facade with a WWR 100%. The perforated solar screen will have different configurations. For example, one screen have 392 circular holes and a…Continue

Simulation parameters for Radmap

Started by Belal Khalid Abboushi in DIVA-Grasshopper (version 4.0). Last reply by Belal Khalid Abboushi on Monday. 2 Replies

Hello,Is there a way to specify start and end period for simulation of radiation maps in Rhino4 grasshopper?Thank you,BelalContinue


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