一张名为ROAD 的hdri全景图片，由3docean 网站提供。这个HDRI文件达到314MB，像素达到14336X7168,并且包含sIBL信息。
SIBL全称Smart Image Based Lighting，它是一个工具集，用于组织你的HDRI环境，是一个简单的的点击预置设置你的场景的解决方案，用来创建逼真的灯光。 它和主流的3D软件都兼容，比如：Lightwave, 3ds MAX, Maya, Modo XSI 等等。
sIBL is a short name for Smart Image Based Lighting. In short it is a toolset for organizing your hdri environments and is a single click preset solution to setup your scene with photo realistic lighting.
It works with most major 3D programs like Lightwave, 3ds MAX, Maya, Modo and XSI.
