##RenderMan RIB 

Format 256 256 1   # frame size
Display "frame" "framebuffer" "rgba"
Display "+peb_15_42_075.tif" "file" "rgba"

Projection "perspective" "fov" [45]
PixelSamples 3 3

Declare "layers" "float"
Declare "seed" "float"
Declare "shdw" "float"
Declare "scale" "float"
Declare "shading" "float"
Declare "distimg" "string"
Declare "minc" "color"
Declare "maxc" "color"
Declare "rough" "float"
Declare "Km" "float"
Declare "basecolor" "color"
Declare "baseopac" "color"
Declare "depthshade" "float"


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 "ambientlight" 1 "intensity" [0.1]
LightSource "distantlight" 2 "intensity" [1] "lightcolor" [1 1 1] "from" [5 5 10] "to" [0 0 0]
LightSource "pointlight" 3 "intensity" [25] "from" [-5 -5 5]

Attribute "displacementbound" "sphere" [1] "coordinatesystem" ["shader"]

ShadingRate 0.5

Surface "pebblecolor"
	"basecolor" [1 1 1] "baseopac" [1 1 1]
	"Ka" [0.1] "Kd" [0.5] "Ks" [0.5] "rough" [0.1]
#	"Ka" [1] "Kd" [0] "Ks" [0] "shading" [1]
	"minc" [0.08 0.2 0.5] "maxc" [0.22 0.4 1]
	"shdw" [0.75]
	"layers" [15]
#	"scale" [0.75]
	"seed" [26]
#	"distimg" ["sampcirc.tdl"]
#	"distimg" ["pebtitle.tdl"]

Displacement "pebbledisp"
	"layers" [15]
#	"distimg" ["sampcirc.tdl"]
	"seed" [26]
#	"scale" [0.75]

Rotate -45 1 0 0
#Rotate 180 1 0 0
Patch "bilinear" "P" [-1 -1 0 1 -1 0 -1 1 0 1 1 0]

WorldEnd