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Welcome to the Radiance Forum!
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0
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7053
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May 1, 2018
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Radiance Workshop 2026 - Program
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0
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89
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July 28, 2026
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What is the correct luminous efficacy ratio for genssky input illuminances?
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2
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57
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July 21, 2026
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Public GitHub Release: Horticulture Lighting Simulator, powered by Radiance
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3
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174
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July 5, 2026
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Converting genssky output to Watts per wavelength band
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6
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87
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June 29, 2026
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How to Efficiently Capturing Partially Occluded Direct Solar Contributions in Enhanced Two-Phase Daylight Simulation
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1
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67
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June 27, 2026
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Calls for Abstracts: 24th Radiance Workshop in Seattle, WA
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3
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283
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June 15, 2026
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Gensdaylit: a spectral, penumbra-aware extension of gendaylit
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0
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99
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June 10, 2026
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BTDF Luminit file to BSDF.xml
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7
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104
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May 25, 2026
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OptiX error for RTX5080
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8
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227
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May 13, 2026
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Issue with Spectral Matrix Simulation
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4
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117
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April 29, 2026
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A high performance dctmestep
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10
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163
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April 23, 2026
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Browser-based horticultural lighting simulation on Radiance — photon-native PPFD, concentric-ring layout + basis-matrix solver — seeking technical feedback
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7
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197
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April 14, 2026
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Three Phase Matrix Method using irradiance
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4
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72
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April 12, 2026
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Weighting factors used in the irradiance calculation
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20
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456
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April 7, 2026
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Validity of daylight factor results
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7
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106
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March 17, 2026
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Faster Radiance on Windows
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7
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341
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March 13, 2026
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Automated head install script
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1
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256
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February 26, 2026
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Radiance 6 spectral materials now on spectraldb.com
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1
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95
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February 23, 2026
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Managing Radiance X Windows on Windows (WSL2 + VcXsrv)
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0
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176
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February 22, 2026
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Question about spectral output of rfluxmtx
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5
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104
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February 20, 2026
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How to convert Melanopic illuminance to EMl or m-EDI
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1
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82
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February 6, 2026
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Rendering with rtpict with high number of processors
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3
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85
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February 5, 2026
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Appropriate colours for gensky
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10
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136
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February 2, 2026
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Rendering with Radiance errata and updates
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1
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105
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January 13, 2026
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2026 Radiance Workshop in Seattle, WA
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0
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231
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January 11, 2026
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Simulation time for artificial lighting
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2
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138
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January 8, 2026
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Postdoctoral fellowships at the Department of Architecture at ETH Zurich
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0
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69
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January 7, 2026
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Irradiance from illuminance for scene with IES - Compared to real-world measurements
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3
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123
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January 3, 2026
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Using -av to approximate higher-order reflections
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2
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64
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December 27, 2025
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