文中应用面向对象的设计方法 ，针对消除隐藏线算法 ，为由点、直线段、多边形构成的立体图形设计了一种实体模型 ，该实体模型具有封装性和可维护性等面向对象设计方法的优点。
In this paper, based on object-oriented design, we design an efficient solid model for 3-dimension object constructed by point, straight line and polygon to accomplish hidden-line detection method.
首先将方程曲面离散成四边形网格，然后采用消隐算法消除曲面的自隐藏线。
Firstly, the surface was dispersed into quadrangular meshes, then, the self-hidden lines were removed from the surface by the algorithm of removing hidden lines.
隐藏线和隐藏面的消除是计算机图形学中较为困难的问题之一。
The hidden line and hidden surface removal is one of the difficult problems in computer graphics.
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