mental ray Architectural and Design Visualization Shader Library
mental ray Architectural and Design Visualization Shader Library
mental ray Architectural and Design Visualization Shader Library
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64 3 Sun <strong>and</strong> SkyThe most important common parameters are those that drive the entire shading- <strong>and</strong>colorization model:• haze sets the amount of haze in the air. The range is from 0 (a completely clear day)to 15 (extremely overcast, or s<strong>and</strong>storm in Sahara). The haze influences the intensity<strong>and</strong> color of the sky <strong>and</strong> horizon, intensity <strong>and</strong> color of sunlight, softness of the sunsshadows, softness of the glow around the sun, <strong>and</strong> the strength of the aerial perspective.Haze=0Haze=3Haze=8Haze=15• redblueshift gives artistic control over the “redness” of the light. The default valueof 0.0 is the physically correct value 2 , but can be changed with this parameter whichranges from -1.0 (extremely blue) to 1.0 (extremely red).Redness=-0.32 Calculated for a 6500K whitepoint.Redness=+0.3