Reflectancy

SHADER TYPE: Conductor

Conductor is a reflectivity type that defines a surface’s reflectivity features to also use secondary reflections. It is especially suitable for metal surfaces. The default values of the refraction and absorption factors are for silver. 

Parameter: Explanation: Default value: Possible values:
Ambient Factor Reflectivity factor of ambient light 0.1  
Diffuse Factor Reflectivity factor of diffuse light 0.1  
Specular Factor Reflectivity factor of specular light 0.8  
Mirror Factor Proportion of light mirrored in the specular direction 0.8  
Roughness Proportional roughness factor of the surface 0.1 The larger the factor, the sharper the reflection. High values like 10 make the surface more mirror-like
Refraction Red Refraction factor of red light 0.13764 The default value is for silver
Refraction Green Refraction factor of green light 0.128079 The default value is for silver
Refraction Blue Refraction factor of blue light 0.156556 The default value is for silver
Absorption Red Absorption factor of red light 3.75633 The default value is for silver
Absorption Green Absorption factor of green light 4.37743 The default value is for silver
Absorption Blue Absorption factor of blue light 2.3437 The default value is for silver

 

examp1.gif (15146 bytes)
An example with its default values:
Object Colour: (0,0,128)
Reflectivity: Matte 1 1
Background: Clouds 10 (120,190,255) (200,255,255) 3
Ambient Light: 0.55 (255,250,245) TRUE
Distant Light: 0.65 (255,255,255) (19610,-6767,17933) (0,0,0) TRUE 2048 9 1 (255,255,255) TRUE
conduct1.gif (32766 bytes)
Ambient Factor: 0.1
Diffuse Factor: 0.1
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.1
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437		 conduct2.gif (32886 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.1
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.1
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437
conduct3.gif (27580 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.5
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.1
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437		 conduct4.gif (32769 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.5
Specular Factor: 0.4
Mirror Factor: 0.8
Roughness: 0.1
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437
conduct5.gif (27230 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.5
Specular Factor: 0.4
Mirror Factor: 0.4
Roughness: 0.1
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437		 conduct6.gif (31959 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.5
Specular Factor: 0.4
Mirror Factor: 0.4
Roughness: 8
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437
conduct7.gif (29176 bytes)
Ambient Factor: 0.5
Diffuse Factor: 0.5
Specular Factor: 0.4
Mirror Factor: 0.4
Roughness: 8
Refraction Red: 0.540
Refraction Green: 0.302
Refraction Blue: 0.613    >values for copper
Absorption Red: 1.168
Absorption Green: 3.916
Absorption Blue: 1.051

 

conducexa.gif (31329 bytes)
Colour: Plain
Colour (170,170,170)

Reflectivity: Conductor
Ambient Factor: 0.6
Diffuse Factor: 0.5
Specular Factor: 0.4
Mirror Factor: 0.4
Roughness: 2
Refraction Red: 0.13764
Refraction Green: 0.128079
Refraction Blue: 0.156556
Absorption Red: 3.75633
Absorption Green: 4.37743
Absorption Blue: 2.3437
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