Material Database

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<?xml version="1.0" encoding="utf-8" ?>
<scenedata>
    <medium>
        <name>Coating_medium</name>
        <precedence>2</precedence>
        <basic>
            <ior>1.52</ior>
            <cauchy_b_coeff>0</cauchy_b_coeff>
            <absorption_coefficient_spectrum>
                <rgb>
                    <rgb>3 1 2</rgb>
                    <gamma>2.2</gamma>
                </rgb>
            </absorption_coefficient_spectrum>
        </basic>
    </medium>
    <material>
        <name>Glass</name>
        <specular>
            <internal_medium_name>Coating_medium</internal_medium_name>
            <transparent>true</transparent>
            <layer>0</layer>
        </specular>
    </material>
    <material>
        <name>Coating</name>
        <phong>
            <specular_reflectivity>
                <constant>
                    <rgb>
                        <rgb>0.582 0.582 0.582</rgb>
                        <gamma>2.2</gamma>
                    </rgb>
                </constant>
            </specular_reflectivity>
            <exponent>
                <constant>10000</constant>
            </exponent>
            <layer>0</layer>
            <fresnel_scale>1</fresnel_scale>
            <ior>1.4</ior>
            <nk_data />
        </phong>
    </material>
    <material>
        <name>Coated Glass</name>
        <blend>
            <a_name>Glass</a_name>
            <b_name>Coating</b_name>
            <blend>
                <constant>0.2</constant>
            </blend>
            <step_blend>false</step_blend>
        </blend>
    </material>
</scenedata>

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