Did you ever wanted to go beyond the Point in Time daylight simulation possible with the tandem of Radiance and Ecotect and simulate the Daylight Autonomy of a space over the course of a year then you might be interested in the following tutorials from the AutodeskEcoWorkshop YouTube channel.
DAYSIM and Ecotect 1: Export Models to Daysim for Daylighting Analysis and Daylight Autonomy
Learn how to export Ecotect geometry and simulation settings to Daysim for more accurate and validated daylighting studies. Daysim is able to correlate daylight simulations with climate data and has more options for occupancy settings and daylight controls. The Daysim report includes daylight factor (DF), daylight autonomy (DA), useful daylight index (UDI), and Daylight Glare Potential (DGP).
DAYSIM and Ecotect 2: Visualize Daysim Results by Importing them on an Ecotect Grid
Learn how to import Daysim results back into an Ecotect analysis grid, scale data so its comparable, and then export these visuals to Illustrator for side-by-side comparison.
DAYSIM and Ecotect 3: Compare Daysim Results to Find the Best Design Option
Learn how to visually interpret and compare the output of a Daysim analysis using Autodesk Ecotect’s visualization tools in conjunction with Adobe Illustrator. By studying three alternative design concepts, learn how to interpret daylight factor, daylight autonomy, continuous daylight autonomy, daylight autonomy max value, useful daylight illuminances, and daylight saturation percentage.
DAYSIM and Ecotect 4: Lighting Controls and and Occupant Behavior
Learn how to use the powerful tools within Daysim to consider lighting controls and occupant behavior into your daylight simulations. Use the dynamic shading device features to set open and closed conditions, and specify more detailed user requirements and shading control systems. You can reduce electric lighting use by properly simulating manual vs. automatic controls, and active vs. passive users.

6 comments
AAA says:
Jan 25, 2013
Kindly advise what plug-in/softwares do I need to install in order to run the Daysim simulation as i have Autodesk ECOTECT install but can’t find any folder/plug-in named DAYSIM.
Thanks & Regards
Jens Voshage says:
Jan 29, 2013
You need to install DAYSIM. Unfortunately the daysim.com website seems to be unavailable right now. Let us know if anybody finds the whereabouts of DAYSIM on the web.
Sahar-A says:
Feb 2, 2013
I’m having the same problem,if you find a solution please let me know,thank you so much
Adam Menter says:
Feb 5, 2013
It looks like Daysim has moved here: http://daysim.ning.com
And here’s the download page: http://daysim.ning.com/page/download
Shamim Javed says:
Jan 29, 2013
Thanks for the informative videos! Can you please direct me to some resources on scripting in ecotect? I need to run simulation on various parameters of a light shelf (change in height, width, tilt, profile, specularity etc.) and see their effect on the daylight performance in a room interior. I would also like to create animation of these variations so that as I change the light shelf I can see the resulting change in the interior daylighting condition. Thank you in advance for your help!
Adam Menter says:
Feb 5, 2013
Search for Geco, it’ll allow Ecotect results to drive Rhino models through Grasshopper… examples: http://www.youtube.com/watch?v=eEhna0AFfsY ; http://www.food4rhino.com/project/geco
And one step further is “Gecolapagos”: Galapagos genetic algorithm/evolution + Geco – http://www.youtube.com/watch?v=m4v8pzBub2I