Ray tracing point set surfaces
Shape Modeling International（2003）
摘要
Point set surfaces (PSS) are a smooth manifold surface approximation from a set of sample points. The surface definition is based on a projection operation that constructs local polynomial approximations and respects a minimum feature size. We present techniques for ray tracing PSSs. For the computation of ray-surface intersection the properties of the projection operation are exploited. The surface is enclosed by a union of minimum feature size spheres. A ray is intersected with the spheres first and inside the spheres with local polynomial approximations. Our results show that 2-3 projections are sufficient to accurately intersect a ray with the surface.
更多查看译文
关键词
intersect aray,ray tracing,projection operation,point set surface,results showthat,surface fitting,computational geometry,sphereswith local polynomial approximation,present technique,polynomial approximation,ray-surface intersection,minimum feature size sphere,constructslocal polynomial approximation,ray tracing point set,topological information,point sampled geometry,minimumfeature size,surface definition,smooth manifold surface approximation,data structures,coherence,projection operator,displays,computer graphics,shape,polynomials,solid modeling,information geometry
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要