Shader: "wrapped circular anisotropic"
"wrapped circular anisotropic"

ClassReflectance
Synopsis Approximation of surface with many small areas of concentric rings of scratches or ridges repeated over the surface. Such surfaces reflect light differently in different directions (the technical term for this is 'anisotropic reflection').
Arguments

"ambient factor" Description: The amount of ambient reflection.
Default:0.1
Hint:[ 0, 1 ]
"diffuse factor" Description: The amount of diffuse reflection.
Default:0.5
Hint:[ 0, 1 ]
"specular factor" Description: The amount of mirror reflection.
Default:0.5
Hint:[ 0, 1 ]
"specular colour" Description: The colour of the specular highlights.
Default:(1.0, 1.0, 1.0)
Hint: [ 0, 1 ], [ 0, 1 ], [ 0, 1 ]
"roughness" Description: The sharpness of specular reflection highlights. The reflection is made sharper with small values for the roughness, such as 0.1. Larger values, such as 1.0, decrease the specular fall-off.
Default:0.1
Hint:[ 0.001, 1 ]
"width" Description: The horizontal frequency of the pattern of circular areas.
Default:1.0
Hint:-
"height" Description: The vertical frequency of the pattern of circular areas.
Default:1.0
Hint:-
"cylinder distance" Description: The degree of anisotropy of the surface can be controlled by varying the distance between the cylinders. A distance of 0.0 gives isotropic (i.e., the same in all directions) reflectivity, and distance of 2.0 gives maximum anisotropy (i.e., the most directional reflectivity). A distance of greater than 2.0 gives a flat floor between cylinders which reflects light isotropically (evenly).
Default:1.0
Hint:-
"floor height" Description: The height of the floor across the cylinders. A value of 0.0 gives no floor, a value of 1.0 gives a completely flat, isotropic surface (i.e., one that reflects evenly in all directions).
Default:0.0
Hint:-
"scale" Description: The overall scale of the pattern.
Default:1.0
Hint:[ 0.01, 1000 ]
"overlap area" Description: Controls whether the circles overlap or not. A value of 0.0 means the circles are placed side by side, while 1.0 makes large parts of the circles overlapped by other circles. For example, the surface effect created by a brushing machine, which gives an overlap, can be created with setting "overlap area" to value close to 0.3.
Default:0.0
Hint:-
"scratches" Description: Specifies whether circles representing scratches on a surface should appear. 0.0 means that there are no scratches while 1.0 means that the scratches are clearly visible.
Default:0.3
Hint:-
"scratches thickness" Description: Specifies the thickness of the scratches. The lower the value set, the thinner the scratches will be.
Default:0.01
Hint:[LI_SMALL_06, 0.05]
"scratches variation" Description: Controls whether scratches are uniform (0.0) or there is colour variation along lines (1.0 gives the strongest variation).
Default:0.15
Hint:-
"scratches variation scale" Description: Specifies the frequency of the variation along the scratches. Small values create a grainy effect while higher values create visible lines.
Default:0.1
Hint:[0.05, inf]

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