##RenderMan RIB 

# set your frame resolution here:
Format 256 256 1

# use first one for screen display, second line to write to a file
Display "frame" "framebuffer" "rgba" 
Display "+brushcirc.tif" "file" "rgba"

PixelSamples 2 2

Declare "freq" "float"
Declare "layers" "float"
Declare "radvar" "float"
Declare "transvar" "float"
Declare "seed" "float"
Declare "nu" "float"
Declare "nv" "float"
Declare "Kd" "float"
Declare "Ks" "float"
Declare "envname" "string"
Declare "envsamp" "float"
Declare "refl" "float"

Projection "orthographic" "fov" [45]
Scale -1 1 1
Rotate 0 0 0 1
Rotate 0 1 0 0
Rotate 180 0 1 0
Translate 0 0 -2.4
WorldBegin 

LightSource "pointlight" 2 "intensity" [140] "lightcolor" [1 1 1] "from" [-3 10 10]

LightSource "pointlight" 3 "intensity" [200] "lightcolor" [1 1 1] "from" [-10 5 -15]

LightSource "pointlight" 3 "intensity" [200] "lightcolor" [1 1 1] "from" [10 5 -15]

Rotate 90 1 0 0

Attribute "displacementbound" "sphere" [.5] "coordinatesystem" ["shader"]

Surface "brushcirc" "freq" [10] "layers" [4] "radvar" [0.5] "transvar" [1]
	"seed" [1234] "nu" [1] "nv" [100] "Kd" [0.2] "Ks" [0.7]
	"envsamp" [10] "refl" [0.3]
	"envname" ["funcenter.tdl"]
#"envname" ["simpleenv.tdl"]

#Color 0.2 0.3 0.9
Color 1 1 1
Sphere 1 -1 1 360 

WorldEnd