This is more or less the approach the approach used to render simple distance fog in games. Sometimes the Beer-Lambert Law is foregone completely and just the total density along the ray is used to fade objects in the distance. Either way this approach not only assumes a medium of constant density, but that the medium itself covers the entire viewable area.
3、追踪数字足迹，历史记录不会说谎。关于这个话题，wps下载提供了深入分析
。关于这个话题，PDF资料提供了深入分析
“It turns out”。爱思助手是该领域的重要参考
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