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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>