# mental ray scene file from "Writing mental ray shaders"
# http://www.writingshaders.com/scene_catalog.html

verbose on

link "contour.so"
$include "contour.mi"
link "lambert.so"
$include "lambert.mi"
link "texture_uv.so"
$include "texture_uv.mi"
link "threshold_volume.so"
$include "threshold_volume.mi"
link "point_light_shadow.so"
$include "point_light_shadow.mi"
link "transparent.so"
$include "transparent.mi"
link "c_distance_store.so"
$include "c_distance_store.mi"
link "c_distance_contrast.so"
$include "c_distance_contrast.mi"
link "c_contour.so"
$include "c_contour.mi"

options "opt"
    object space
    samples 0 2
    trace depth 6 6 6
    contrast .05 .05 .05
    volume on
    autovolume on
    contour store "c_distance_store" ()
    contour contrast "c_distance_contrast" ("distance" .05)
end options

camera "cam"
    output "contour,rgba" "contour_composite" ()
    output "rgba" "tif"
        "volume_1A.tif"
    focal 1.5
    aperture 1
    aspect 1
    resolution 300 300
end camera

instance "camera-instance" "cam"
    transform 
        0.792329 0.0 0.610094 0.0 
        0.0 1.0 0.0 0.0 
        -0.610094 0.0 0.792329 0.0 
        0.063386 0.0 -4.999598 1.0 
end instance

 

light "light1"
    "point_light_shadow" (
        "light_color" .7 .7 .3 1
    )
    origin 1 5 0
end light

instance "light1-i" "light1" end instance

light "light2"
    "point_light_shadow" (
        "light_color" .3 .3 .7 1
    )
    origin -1 5 0
end light

instance "light2-i" "light2" end instance

material "sphere_volume"
    volume "threshold_volume" (
        "color" .7 .7 1,
        "radius" 1,
	"unit_density" 1,
	"density_threshold" 0,  
	"march_increment" .1
    )
end material

color texture "diamond" "diamond.tif"

shader "grid"
    "texture_uv" (
        "tex" "diamond",
        "u_scale" 20,
	"v_scale" 20
    )

material "gray"
    "lambert" (
	"lights" ["light1-i", "light2-i"],
        "diffuse" = "grid"
    )
end material


material "outline"
    "transparent" ( 
        "transparency" .6 .6 .6
    )
    contour "c_contour" ( 
        "width" .5,
        "color" 1 0 0 1
    )
end material

instance "cube-1"
    geometry "bw_cube" ("name" "cube")
    material "sphere_volume"
    transform 
        0.50 0.0 0.0 0.0 
        0.0 0.50 0.0 0.0 
        0.0 0.0 0.50 0.0 
        0.0 -0.050 -0.0150 1.0 
    tag 1
    globillum on
    globillum 3
end instance

instance "cube-2"
    geometry "bw_cube" ("name" "cube")
    material "outline"
    transform 
        0.497512 0.0 0.0 0.0 
        0.0 0.497512 0.0 0.0 
        0.0 0.0 0.497512 0.0 
        0.0 -0.049751 -0.014925 1.0 
    tag 2
    globillum on
    globillum 3
end instance

instance "cube-3"
    geometry "bw_cube" ("name" "cube")
    material "gray"
    transform 
        0.10 0.0 0.0 0.0 
        0.0 100.0 0.0 0.0 
        0.0 0.0 0.10 0.0 
        0.0 100.0 0.0 1.0 
    tag 3
    globillum on
    globillum 3
end instance

instance "cube-4"
    geometry "bw_cube" ("name" "cube")
    material "gray"
    transform 
        0.10 0.0 0.0 0.0 
        0.0 -0.000004 -0.10 0.0 
        0.0 100.0 -0.0 0.0 
        0.0 100.0 -0.0 1.0 
    tag 4
    globillum on
    globillum 3
end instance

instgroup "root"
    "camera-instance"
    "light1-i" "light2-i"    "cube-1" "cube-2" "cube-3" "cube-4" 
end instgroup

render "root" "camera-instance" "opt"