It is necessary to consider the reasonableness of split and the quality of shadowimage when drawing shadow based on the view frustum split in a large scale scenes.
采用基于视截体分层的方法进行大规模场景阴影绘制时，需要考虑分层的合理性与阴影的图像质量。
2
We now have the character and his shadow isolated and on separate layers. We are ready to begin the final image.
现在，我们已经将人物和他的影子在不同的图层上分离出来了，准备开始制作最终图像吧！
3
Now they were peeking inside his brain to see if a mysterious shadow on a previous CT image might be an internal clot, or hematoma, at the rear of the skull, indicating a blow to the head.