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.

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。

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