height.rib

##RenderMan RIB
version 3.03
# Michael Rose
# January 22 2016
# As of January 13th, 2016, this file compiles using 
# prman.exe from the non-commercial version of
# Renderman found in RenderManProServer-20.6

# declare the variables:

Declare "Ad"  "uniform float"
Declare "Bd" "uniform float"
Declare "Amp" "uniform float"
Declare "Height" "uniform float"

# define the output file:

Display "height.tiff" "file" "rgb" 
Format 500 500 -1

# define the lighting:

LightSource "ambientlight" 1 "intensity" [0.25]
LightSource "distantlight" 2 "intensity" [0.75] "from" [5 8 -10] "to" [0 0 0]


# define the rendering parameters:

ShadingRate 1
Projection "perspective" "fov" [70]

# define the scene to be rendered:

WorldBegin
    Attribute "bound" "displacement" [1.5]
	Surface "ovals" "Ad" 0.05 "Bd" 0.075 "Amp" .6
	Displacement "height" "Ad" 0.05 "Bd" 0.075 "Amp" .6 "Height" .2
	Color   [1 1 1]				# specify the Cs color
	Opacity [1 1 1]				# specify the Os opacity
	TransformBegin
		Translate 0 0 6			# move away from the eye (= gluLookAt)
		Rotate 90  1. 0. 0.		# rotate so don't see north pole
		Sphere 3 -3 3 360 		# a full sphere
	TransformEnd
WorldEnd