摘要
以光滑曲面立体和逐片光滑曲面立体的视觉事件类型为基础 ,讨论了轴测投影下投影球的划分 ,研究了棱线多于两条和具有顶点的回转体特有的视觉事件 ,即三条棱线之间的三重点型和相切交叉型以及顶点和轮廓曲线之间的多重视觉事件。
Authors have presented methods to find the visual events for the solid revolver from the axonometric projection.The point curve visual event is shown that is a new kind of visual event.There are two types of point curve visual events:the point edge and the point limp.All of the visual events can be used to construct the aspect graph of solid revolver.
出处
《太原理工大学学报》
CAS
2000年第4期397-400,共4页
Journal of Taiyuan University of Technology
关键词
形态图
特征视图
回转体
轴测投影
aspect graph
characteristic view
object representation
solid revolver
axonometric projection
