三维算法的相关内容

文章 2011-03-25 来自：开发者社区

基于序列图像的三维体绘的视线投射算法

基于序列图像的三维体绘的视线投射算法（Ray Casting）一．体绘算法步骤 1．体数据的生成：将序列图像的象素数据部分剥离出来（如果是JPG等压缩类型的数据，还需要先解压缩），按照相对的上下层之间的关系，将其存到一内存区中，保存的原则比较简单，即能够根据象素的三维坐标最快的检索到体素的值（此处的象素值可以是灰度值、颜色值或者CT值等）。 2．设置材质的显示属性：某...

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