理学 路径跟踪方法 释 ray casting 光线投射 光线投射技术是基于几何光学的绘制方法的基础。它由视点出发逐像素地向外发射光线，寻找光线与场景的第一个表面交点。
计算机应用 计算机辅助设计与图形学 释文 ray casting 光线投射
- slope of isochron
- slope of repose
- slope protection for pipeline
- slope protection with vegetation
- slope ratio method
- slope retaining
- slope runoff
- slope runoff coefficient
- slope scale
- slope stability
- slope staking
- slope-steepness factor
- slope structure
- slope theodolite
- slope-trap net fishing
- slope unloading zones
- slope/wall angle parameters
- slopewash soil mass
- slope weathering zones
- slope wingding
- sloping
- sloping type wharf
- sloppy feeding
- sloshing
- slot