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2022 - Toronto, Canada

The 20th International Radiance Workshop
Toronto, Canada
August 3-5, 2022
Hosted by: J. Alstan Jakubiec, University of Toronto, Daniels Faculty of Architecture, Landscape and Design
Workshop website:


Wednesday, 3 August 2022
09:30 - 12:30 Bo Jung, University of Washington
Tutorial #1: Melanopic HDR Capture, Part A, Part B (exercise files)
13:30 - 16:30 Stephen Wasilewski, EPFL
Tutorial #2: Raytraverse for Annual Glare Assessment (exercise files)


Thursday, 4 August 2022
09:45 - 10:00 J. Alstan Jakubiec, U. of Toronto & Solemma
Introduction / Welcome
10:00 - 10:30 Greg Ward, Anyhere Software
New Features in Radiance (Recording)
10:30 - 11:00 Michael Beggs & Alan DeMarche, Loisos + Ubbelohde
Building and Validating a BSDF of a Looped Metal Mesh (Recording)
11:00 - 11:30 David Geisler-Moroder, Bartenbach GmbH
What is the (relevant) size of the sun? (Video) (Recording)
11:30 - 12:00 Stephen Wasilewski, EPFL
Comparing Annual Glare Simulation Methods (Recording)
13:00 - 13:30 Tanmay Naik, Georgia Institute of Technology
Developing a Healing Building Envelope in Healthcare Design (Recording)
13:30 - 14:00 Athina Alight, U. of Toronto
Simulating Circadian Light and Interpreting its Results (Recording)
14:00 - 14:30 Nima Forouzandeh, T.U. Delft
Development of Efficient Daylight Modeling Workflows for Existing Buildings (Recording)
14:30 - 15:00 Jessie Pan & J. Alstan Jakubiec, U. of Toronto
Deciduous Trees in Climate-based Daylight Simulations (Recording)
15:20 - 15:50 Takuya Nagata & Shogo Ito, Takenaka Corporation
Effects of Model Geometry, Material Properties, and Calculation Parameters on Calculation Accuracy in Simulations Using Radiance (Recording)
15:50 - 16:20 Nicolas Roy, Velux & David Geisler-Moroder, Bartenbach GmbH
Validation of the new VELUX Daylight Visualizer (Recording)
16:20 - 16:45 Jaeha Kim, Cornell U.
Window View Satisfaction Evaluation in Residential Buildings Using Machine Learning and Data (Recording)
16:45 - 17:10 Parisa Mahmoudzadeh, Penn State University
Calculating Spatial Efficiency of Indoor Lighting Using Lighting Application Efficacy Framework (Recording)
17:10 - 17:35 Masoome Haghani, North Carolina State U.
Daylight Simulation Analysis of an Innovative Daylighting System: Optical Vertical Louver (OVL) System (Recording)


Friday, 5 August 2022
9:30 - 10:00 Mathias Sønderskov Schaltz, LINK Arkitektur
An Educational Tool to Work Directly with Radiance Through Grasshopper (Recording)
10:00 - 10:30 Franz Forsberg, dataTrees
Optimising Daylight Simulation Workflow through openBIM and the Web (Recording)
14:00 - 14:45 Keita Matsuda & Takanori Kabaki, Tokyo University of Science
New Method for Predicting the Solar Radiation Environment based on Scalar Irradiance Using Volume Photon Mapping (Recording)
11:00 - 11:30 Mike Martinez, Atelier Ten
Mix n’ Match – Old Radiance Techniques using New Tools and Processes(Recording)
11:30 - 12:00 J. Alstan Jakubiec, U. of Toronto
A Historical Comparison of Glare Metrics (Recording)
13:00 - 13:30 Madeline Gradillas, Atelier Ten
NVIDIA Voyager - Daylight Design Process from Early Design to Completion
11:30 - 12:00 Michael Kent, Berkeley Education Alliance for Research Singapore
Implementing an Approach to Measure Annual Daylight Illuminance Distributions (Recording)
14:00 - 14:30 Chris Humann, Halio, Inc.
HDR Sky Imaging for Real Time Control of Facades (Recording)
14:30 - 15:00 Roland Schregle, Lucerne U. of Applied Sciences and Arts
Canned Sunshine: Precomputed Daylight Coefficients for Climate Based Modelling using Photon Mapping (Recording)
15:15 - 17:00 The Future of Radiance (Recording)
by taoning – last modified Aug 26, 2022 10:17 AM