rising_smoke.xml

<?xml version='1.0' encoding='utf-8'?>

<scene version="0.5.0">
	<integrator type="volpath_simple">
		<integer name="maxDepth" value="8"/>
	</integrator>

	<medium type="heterogeneous" id="smoke">
		<string name="method" value="woodcock"/>

		<volume name="density" type="gridvolume">
			<string name="filename" value="Datas/rising_smoke/frame_000250.vol"/>
		</volume>

		<volume name="albedo" type="constvolume">
			<spectrum name="value" value="0.95"/>
		</volume>
		<float name="scale" value="400"/>
	</medium>

	<shape type="obj">
		<string name="filename" value="Objects/rising_smoke_bounds.obj"/>
		<ref name="interior" id="smoke"/>
	</shape>

	<shape type="obj">
		<string name="filename" value="Objects/rising_smoke_plane.obj"/>

		<bsdf type="diffuse">
			<rgb name="diffuseReflectance" value=".2, .25, .3"/>
		</bsdf>
		<transform name="toWorld">
			<translate x="0.25" y="0.02"/>
		</transform>
	</shape>

	<sensor type="perspective">
		<float name="focusDistance" value="2.66137"/>
		<float name="fov" value="25"/>
		<string name="fovAxis" value="x"/>
		<transform name="toWorld">
			<lookat target="0.5 0.6 0.5" origin="0.5, 0.6, 3.2" up="0 1 0"/>
		</transform>

		<sampler type="ldsampler">
			<integer name="sampleCount" value="64"/>
		</sampler>

		<film type="ldrfilm">
			<boolean name="banner" value="false"/>
			<float name="exposure" value="0"/>
			<float name="gamma" value="-1"/>
			<integer name="height" value="512"/>
			<string name="pixelFormat" value="rgb"/>
			<string name="toneMappingMethod" value="gamma"/>
			<string name="tonemapMethod" value="gamma"/>
			<integer name="width" value="512"/>
			<rfilter type="gaussian"/>
		</film>
	</sensor>

	<shape type="sphere">
		<point name="center" x="0.5" y="4" z="3"/>
		<float name="radius" value=".2"/>

		<emitter type="area">
			<spectrum name="radiance" value="500"/>
		</emitter>
	</shape>
</scene>