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01_user_documentation:05_object:02_light:12_shaders:09_light_shader:02_hosekwilkieskylight

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01_user_documentation:05_object:02_light:12_shaders:09_light_shader:02_hosekwilkieskylight [2026/09/22 12:59] – created Tim01_user_documentation:05_object:02_light:12_shaders:09_light_shader:02_hosekwilkieskylight [2026/09/22 13:01] (current) Tim
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  Hosek-Wilkie (2012) analytic sky model.  Hosek-Wilkie (2012) analytic sky model.
  
-Implements the Hosek & Wilkie sky luminance model as presented in "An Analytic Model for Full Spectral Sky-Dome Radiance" SIGGRAPH 2012. Compared to the older Preetham model, Hosek-Wilkie provides better accuracy at low sun elevations and more realistic sunset colouring.+Implements the Hosek & Wilkie sky luminance model as presented in "An Analytic Model for Full Spectral Sky-Dome Radiance" SIGGRAPH 2012. Compared to the older [[01_user_documentation:05_object:02_light:12_shaders:09_light_shader:01_sunskylight|]] model, Hosek-Wilkie provides better accuracy at low sun elevations and more realistic sunset colouring.
  
 The additional Albedo parameter  controls ground albedo (reflected light contribution). The additional Albedo parameter  controls ground albedo (reflected light contribution).
01_user_documentation/05_object/02_light/12_shaders/09_light_shader/02_hosekwilkieskylight.txt · Last modified: by Tim