实现了dicom数据的光线投射的体绘制算法，该实现过程借助了vtk来实现,Dicom data implementation of the ray-casting algorithm for volume rendering, the implementation process to achieve with the vtk

VC7.0下写的一个演示射线碰撞的程序,主要是我用作讲课用的,内有天空盒,地面,主角,地面是一个模型,通过射线碰撞,让主角在高度起伏的地面上行走,wasd四个键控制人物移动.本代码用作教学用,注释详细,代码清晰-Under VC7.0 to write a demonstration of collision-ray procedures, mainly because I used for lectures, with the sky box, the ground, the protagon

基于VTK使用光线投射算法实现医学三维体绘制，含DICOM绘制源数据-Medical 3D volume rendering using ray casting algorithm based on VTK, containing DICOM draw source data