Reflectancy

SHADER TYPE: Wrapped Mirror Map

Wrapped Mirror Map is a reflectivity type that can be used to create a mirror-type surface. The degree of reflectivity of the various surface points is determined by the red colour component of a given image file. This shader type is suitable for mirror-type surfaces where the degree of reflectivity varies between different parts of the surface.

Parameter: Explanation: Default value: Possible values and comments:
Ambient Factor Reflectivity factor of ambient light 0.1
Diffuse Factor Reflectivity factor of diffuse light 0.1
Specular Factor Specular factor 0.8
Mirror Factor Proportion of light mirrored in the specular direction 0.8
Roughness Reflection sharpness factor 0.0625 The larger the factor, the sharper the reflection. Smaller values make the surface less mirror-like.
Image --
File Name Name of the image file "" jpg, tiff, targa, bmp, lwi files: as a default, the program searches for the file in the lw directory

 

examp2.gif (16612 bytes)
An example with its default values:
Object Colour: (0,0,170)
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
wrmirma1.gif (25144 bytes)
Ambient Factor: 0.1
Diffuse Factor: 0.1
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.0625
Image: --
File Name: "file path"		 wrmirma2.gif (20871 bytes)
Ambient Factor: 0.9
Diffuse Factor: 0.1
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.0625
Image: --
File Name: "file path"
wrmirma3.gif (20965 bytes)
Ambient Factor: 0.9
Diffuse Factor: 0.8
Specular Factor: 0.8
Mirror Factor: 0.8
Roughness: 0.0625
Image: --
File Name: "file path"		 wrmirma4.gif (20673 bytes)
Ambient Factor: 0.9
Diffuse Factor: 0.8
Specular Factor: 0.6
Mirror Factor: 0.8
Roughness: 0.0625
Image: --
File Name: "file path"
wrmirma5.gif (19627 bytes)
Ambient Factor: 0.9
Diffuse Factor: 0.8
Specular Factor: 0.6
Mirror Factor: 0.6
Roughness: 0.0625
Image: --
File Name: "file path"		 wrmirma6.gif (25427 bytes)
Ambient Factor: 0.9
Diffuse Factor: 0.8
Specular Factor: 0.6
Mirror Factor: 0.6
Roughness: 4
Image: --
File Name: "file path"

 

wrmirexa.gif (18261 bytes)
Colour: Plain
Colour (150,150,150)

Reflectivity: Wrapped Mirror Map
Ambient Factor: 0.9
Diffuse Factor: 0.8
Specular Factor: 0.4
Mirror Factor: 0.4
Roughness: 0.06
Image: --
File Name: "file path"

Mirror

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