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As ever, taken by Greg Ward. Click for full-size.

Workshop Programme

Accepted Title/Abstracts

You can now download the complete programme and the abstracts of most presentations (v6 - 01/09/2018) at this link:
Complete programme (v6)

A truly international workshop, there will be speakers from 14 different countries!

Presentations include:

  • Greg Ward, Latest Radiance update
  • Eleanor Lee, Taoning Wang, Lars Grobe, Greg Ward, Jan Wienold, David Geisler-Moroder, Generating high-resolution BSDFs for the direct beam component
  • Cosmin Ticleanu, Using daylight modelling to verify compliance with the WELL Building Standard
  • Priji Balakrishnan and J. Alstan Jakubiec, Measuring and Modelling Spectral Composition of Equatorial Light
  • Jan Wienold and Aicha Diakite, Making simulations more colorful: Extension of gendaylit to create a colored sky
  • Roland Schregle, Christian Renken, Stephen Wittkopf, Spatio-Temporal Visualisation of Reflections from Building Integrated Photovoltaics
  • And many more!

Day 1: Workshop

Monday 3rd September 2018

09:00 | Registration and breakfast
09:20 | Welcome address
09:30 | Morning session
12:30 | Lunch break
13:30 | Afternoon session
19:00 | Dinner at Burleigh Court Hotel

Day 2: Workshop

Tuesday 4th September 2018

09:00 | Registration and breakfast
09:30 | Tour of the ABCE Laboratories
10:00 | Morning session
12:30 | Lunch break
13:30 | Afternoon session

Day 3: Optional Training/Tutorial

Wednesday 5th September 2018


Ambient calculation crash-course [~ 1hr]

A perennial favourite giving a excellent 'under the hood' introduction to one of the keystone features of the Radiance system.

The 4 Component Method [~ 1hr]

An exposition of the 4 Component Method (4CM) daylight coefficient approach. The 4 Component Method was, it seems, the first daylight coefficient implementation (originally devised in 1995). It was revised in 2003, and tweaked since then. The rationale for including it during the tutorial day is because knowing how the 4CM approach works makes it much easier to understand how all the other, subsequent, daylight coefficient formulations work. Also, the rigorous validation that the 4CM approach was subjected to helps illustrate and explain many of the accuracy issues that apply to all the Radiance DC formulations.

Autonomous DSLR Setup for HDR Capture [~ 1hr]

Setting up a DSLR for long-term autonomous capture of HDR images. Based on our experience with long-term HDR monitoring in conservation and classroom settings, this session will show how to configure a Mac Mini and Canon DSLR for long-term autonomous capture of HDR images. Software is all freely available: gphoto2, hdgen, etc. Scripts etc. will be provided. By long-term, we mean until the hard-drive is filled or the shutter mechanism fails. The longest completely unattended monitoring session we achieved was nearly 11 months with a HDR capture every 10 minutes 24/7.


An Introduction to Honeybee for the Radiance User [~ 3hrs]

This three-hour session will essentially be a guided-tour of Honeybee and Honeybee[+] for an audience that is familiar, or well versed, with Radiance. The goal of the workshop is to primarily demonstrate the automation, numerical-analysis and data-visualization features afforded through the intuitive graphic interfaces of Honeybee through Grasshopper.

We will be demonstrating these features within the context of known workflows such as rpict- and rtrace-based simulations and the Three Phase Method. The tutorial will include an introduction to the Three Phase Method. At the end of the workshop we will present a number of new developments including honeybee integration with docker (

If you are interested to follow along during the workshop you will need to install Rhino, Grasshopper, Ladybug and Honeybee on Windows. We will provide detailed installation instructions closer to the workshop.

Given by: Mostapha Sadeghipour Roudsari and Sarith Subramaniam

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