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Welcome to the Radiance Forum!
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0
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7022
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May 1, 2018
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Issue with Spectral Matrix Simulation
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4
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68
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April 29, 2026
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A high performance dctmestep
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10
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101
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April 23, 2026
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OptiX error for RTX5080
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7
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125
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April 16, 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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118
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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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50
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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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349
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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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68
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March 17, 2026
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Faster Radiance on Windows
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7
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257
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March 13, 2026
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Automated head install script
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1
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242
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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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73
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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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140
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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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71
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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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45
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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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70
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February 5, 2026
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Appropriate colours for gensky
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10
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97
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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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74
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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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123
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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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97
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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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53
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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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96
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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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47
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December 27, 2025
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Rpict: warning - no output produced"
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8
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96
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December 23, 2025
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“Trouble finding HDR patches”
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9
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49
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December 19, 2025
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WSL2: rvu, ximage now run beatifully on Win11
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0
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67
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December 18, 2025
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unit of irradiance using epw as input
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9
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556
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December 8, 2025
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How to visualize a sky vector?
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9
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807
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December 9, 2025
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Electric light calculation by using IES files with Accelerad
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3
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76
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December 2, 2025
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Radiance Workshop 2025, EPFL Lausanne
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14
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683
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November 12, 2025
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New/updated annual simulation tools
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0
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147
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October 29, 2025
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