<?xml version="1.0" encoding="UTF-8"?>
<!-- File generated by appleseed.dll version 2.1.0-beta (SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 F16C). -->
<project format_revision="33">
    <scene>
        <camera name="camera" model="pinhole_camera">
            <parameter name="autofocus_enabled" value="false" />
            <parameter name="controller_target" value="-0.00826836 0.475416 -0.127482" />
            <parameter name="film_dimensions" value="0.024892 0.018669" />
            <parameter name="focal_length" value="0.035" />
            <transform time="0">
                <matrix>
                    0.99999984799720898 -0.00006991828941900 0.00054691589194900 -0.00690828518108700
                    0.00000000000000000 0.99192715506987905 0.12680898641253999 0.79076554324592196
                    -0.00055136699217700 -0.12680896713722001 0.99192700429418301 2.33924889780328682
                    0.00000000000000000 0.00000000000000000 0.00000000000000000 1.00000000000000000
                </matrix>
            </transform>
        </camera>
        <environment name="environment" model="generic_environment" />
        <assembly name="assembly">
            <color name="back_reflectance">
                <parameter name="color_space" value="srgb" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    1.000000000 1.000000000 0.000000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <color name="left_square_reflectance">
                <parameter name="color_space" value="srgb" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    1.000000000 0.000000000 0.000000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <color name="light_exitance">
                <parameter name="color_space" value="srgb" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    1.000000000 1.000000000 1.000000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <color name="light_reflectance">
                <parameter name="color_space" value="spectral" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    0.500000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <color name="right_square_reflectance">
                <parameter name="color_space" value="srgb" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    0.000000000 1.000000000 0.000000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <color name="vertical_square_reflectance">
                <parameter name="color_space" value="srgb" />
                <parameter name="multiplier" value="1.0" />
                <parameter name="wavelength_range" value="400.0 700.0" />
                <values>
                    0.000000000 0.000000000 1.000000000
                </values>
                <alpha>
                    1.000000000
                </alpha>
            </color>
            <bsdf name="back_brdf" model="lambertian_brdf">
                <parameter name="reflectance" value="back_reflectance" />
            </bsdf>
            <bsdf name="left_square_brdf" model="lambertian_brdf">
                <parameter name="reflectance" value="left_square_reflectance" />
            </bsdf>
            <bsdf name="light_brdf" model="lambertian_brdf">
                <parameter name="reflectance" value="light_reflectance" />
            </bsdf>
            <bsdf name="right_square_brdf" model="lambertian_brdf">
                <parameter name="reflectance" value="right_square_reflectance" />
            </bsdf>
            <bsdf name="vertical_square_brdf" model="lambertian_brdf">
                <parameter name="reflectance" value="vertical_square_reflectance" />
            </bsdf>
            <edf name="light_edf" model="diffuse_edf">
                <parameter name="radiance" value="light_exitance" />
            </edf>
            <surface_shader name="physical_surface_shader" model="physical_surface_shader" />
            <material name="back_material" model="generic_material">
                <parameter name="bsdf" value="back_brdf" />
                <parameter name="surface_shader" value="physical_surface_shader" />
            </material>
            <material name="left_square_material" model="generic_material">
                <parameter name="bsdf" value="left_square_brdf" />
                <parameter name="surface_shader" value="physical_surface_shader" />
            </material>
            <material name="light_material" model="generic_material">
                <parameter name="bsdf" value="light_brdf" />
                <parameter name="edf" value="light_edf" />
                <parameter name="surface_shader" value="physical_surface_shader" />
            </material>
            <material name="right_square_material" model="generic_material">
                <parameter name="bsdf" value="right_square_brdf" />
                <parameter name="surface_shader" value="physical_surface_shader" />
            </material>
            <material name="vertical_square_material" model="generic_material">
                <parameter name="bsdf" value="vertical_square_brdf" />
                <parameter name="surface_shader" value="physical_surface_shader" />
            </material>
            <object name="back faces" model="mesh_object">
                <parameter name="filename" value="back faces back light.obj" />
            </object>
            <object_instance name="back faces.left_square_inst" object="back faces.left_square">
                <assign_material slot="Default" side="front" material="left_square_material" />
            </object_instance>
            <object_instance name="back faces.light_inst" object="back faces.light">
                <assign_material slot="Default" side="back" material="light_material" />
            </object_instance>
            <object_instance name="back faces.right_square_inst" object="back faces.right_square">
                <assign_material slot="Default" side="front" material="right_square_material" />
                <assign_material slot="Default" side="back" material="back_material" />
            </object_instance>
            <object_instance name="back faces.vertical_square_inst" object="back faces.vertical_square">
                <assign_material slot="Default" side="front" material="vertical_square_material" />
                <assign_material slot="Default" side="back" material="back_material" />
            </object_instance>
        </assembly>
        <assembly_instance name="assembly_inst" assembly="assembly">
        </assembly_instance>
    </scene>
    <output>
        <frame name="beauty">
            <parameter name="camera" value="camera" />
            <parameter name="resolution" value="640 480" />
        </frame>
    </output>
    <configurations>
        <configuration name="final" base="base_final">
            <parameter name="lighting_engine" value="pt" />
            <parameters name="generic_tile_renderer">
            </parameters>
            <parameters name="pt">
                <parameter name="max_bounces" value="-1" />
                <parameter name="max_diffuse_bounces" value="-1" />
                <parameter name="max_glossy_bounces" value="-1" />
                <parameter name="max_specular_bounces" value="-1" />
                <parameter name="next_event_estimation" value="true" />
            </parameters>
            <parameters name="uniform_pixel_renderer">
                <parameter name="samples" value="4" />
            </parameters>
        </configuration>
        <configuration name="interactive" base="base_interactive">
            <parameter name="lighting_engine" value="pt" />
            <parameters name="pt">
                <parameter name="max_bounces" value="-1" />
                <parameter name="max_diffuse_bounces" value="-1" />
                <parameter name="max_glossy_bounces" value="-1" />
                <parameter name="max_specular_bounces" value="-1" />
                <parameter name="next_event_estimation" value="true" />
            </parameters>
        </configuration>
    </configurations>
</project>
