example1.xml

<?xml version="1.0" standalone="no" ?>
<!DOCTYPE scene SYSTEM "scene.dtd">

<scene output_file="example1.png">
	<background_color r="0.0" g="0.0" b="0.0"/>
	<camera>
		<position x="0.0" y="0.0" z="1.0"/>
		<lookat x="0.0" y="0.0" z="-2.5"/>
		<up x="0.0" y="1.0" z="0.0"/>
		<horizontal_fov angle="45"/>
		<resolution horizontal="512" vertical="512"/>
		<max_bounces n="8"/>
	</camera>
	<lights>
		<ambient_light>
			<color r="1.0" g="1.0" b="1.0"/>
		</ambient_light>
	</lights>
	<surfaces>

		<sphere radius="1.0">
			<position x="0.0" y="0.0" z="-3.0"/>
			<material_solid>
				<color r="0.5" g="0.17" b="0.18"/>
				<phong ka="0.3" kd="0.9" ks="1.0" exponent="200"/>
				<reflectance r="0.0"/>
				<transmittance t="0.0"/>
				<refraction iof="2.3"/>
			</material_solid>
		</sphere>
		<sphere radius="1.0">
			<position x="-2.1" y="0.0" z="-3.0"/>
			<material_solid>
				<color r="0.17" g="0.18" b="0.50"/>
				<phong ka="0.3" kd="0.9" ks="1.0" exponent="200"/>
				<reflectance r="0.0"/>
				<transmittance t="0.0"/>
				<refraction iof="2.3"/>
			</material_solid>
		</sphere>
		<sphere radius="1.0">
			<position x="2.1" y="0.0" z="-3.0"/>
			<material_solid>
				<color r="0.18" g="0.50" b="0.17"/>
				<phong ka="0.3" kd="0.9" ks="1.0" exponent="200"/>
				<reflectance r="0.0"/>
				<transmittance t="0.0"/>
				<refraction iof="2.3"/>
			</material_solid>
		</sphere>
	</surfaces>
</scene>