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      <title>Foreground - Light Scattering Parameters</title>
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      <div class="title_topic5" id="xps10_pagetitle">Foreground - Light Scattering Parameters</div>
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               <p class="para_th">Parameter</p>
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               <p class="para_th">Description</p>
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               <p class="para_td">Samples</p>
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               <p class="para_td">Determines the sample rate for light scattering. A low value for sampling will result in better performance but can lead to aliasing effects. Possible values are:</p>
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                     <p class="para_item">Low - good for a quick preview of light scattering (10 samples/ray)</p>
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                     <p class="para_item">Medium Low - also a good preview value (20 samples/ray)</p>
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                     <p class="para_item">Medium - a good general purpose value (30 samples/ray)</p>
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                     <p class="para_item">Medium High - for higher quality rendering (50 samples/ray)</p>
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                     <p class="para_item">High - When performance is not the issue (80 samples/ray)</p>
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               <p class="para_td">Density</p>
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               <p class="para_td">Controls the density of the light.</p>
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               <p class="para_td">Max Distance</p>
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               <p class="para_td">Controls the distance to which light scattering is calculated. This is an option provided to increase performance and the higher the value, aliasing problems become more likely. A value near 0.0, however, would result in an image lacking any volumetric effects.</p>
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               <p class="para_td">Noise Scale</p>
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               <p class="para_td">Determines the relative size or scale of the noise, depending on the scene size.</p>
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               <p class="para_td">Noise Level</p>
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               <p class="para_td">Determines the amount of random variation in the light scattering. A slider controls this Attenuation. The further the slider is to the right, the greater the variation in the light density.</p>
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               <p class="para_td">Attenuation</p>
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               <p class="para_td">Determines how quickly the light density attenuates as the distance from the source increases. This option is controlled by a slider, and the further the slider is to the right, the more quickly the light attenuates.</p>
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