The geometrical modeling information and feature parametric information are encapsulated in hierarchic model, so that the whole information of an assembly or a part can be expressed comprehensively, and also the drawing file for design process can occupy the least space of storage. 将实体的几何造型信息和特征参数信息封装于层次化模型中,既可完整表达部件或零件的全部信息,又使得设计的图形文件占用空间最少。
This paper presents a new method of drawing perspective shade and shadow in parallel rays, which makes use of plane trace and geometrical drawing method. 探讨了一种利用平面迹线和几何作图法,作无灭光线下透视阴影的新方法。
The geometrical transformation is carried out for computer aided drawing technology and two-dimensional graphics, from which some application-specific transformational matrices for two-dimensional graphics are derived, A drawing software is designed and implanted suitable for the teaching of plane analytic geometry. 研究了计算机辅助绘图技术和二维图形的几何变换,导出了二维图形的某些特定变换矩阵,设计和实现了一个适合平面解析几何教学的绘图软件。
Research on Simplified Drawing for Solution on Geometrical Drawing 画法几何解题中简化作图的研究
Simplified drawing is a unique method for the geometrical solution by drawing, as it can lead students to the simplest solution by bold and diversifying thinking based on the basic thought chart and figure principles, and break through the usual patterns. 简化作图作为画法几何解题的一种特有的方式,能引导学生在遵循图学基本原理的基础上,大胆地进行发散性思维,突破常规解题模式,用最简洁的方式求解问题。
In this paper, the author presents some geometrical drawing approaches by using mathematical analysis method, hoping that the approaches described would be useful to readers. 本文给出有关用数学分析法解决空间几何问题的作图方法,作者希望通过实例能对读者有所启迪。
The Application of Aitken Interpolation in Geometrical Drawing Aitken插值在几何作图中的应用
According to the stress characteristics and geometrical condition of forces system balance of component, analyses the shapes and rules of internal forces map, introduces a prompt drawing way of internal forces map. 根据构件的受力特点及力系平衡的几何条件,分析了内力图的形状及规律,介绍了内力图的快捷作图方法。
This paper puts forward a geometrical method of determining inertial moments and products& drawing the inertial circle, which is straight, convenient and simple. 本文提出计算截面惯性矩、惯性积的几何方法&作惯性圆法,该法具有直观、方便、简洁的优点。
The advanced roller CAD system is introduced. Based on Auto-CAD system, the parameter drawing method according to roller shape character and geometrical binding technology are adopted to realize the systematic of roller pass design and roller accessory parameter drawing. 介绍了一种先进的轧辊CAD设计系统,该系统以AUTOCAD为支撑平台,采用基于轧辊形状特征和几何约束技术的参数化绘图方法,实现了轧辊孔型设计及轧辊零件参数化绘图的一体化。
The geometrical drawing by means of ray tracing has confirmed our theoretical results. 用光线追迹的几何作图证实了理论结果。
Geometrical Drawing Aided by Mathematical Method 用数学方法解析几何作图问题
The master thesis deal the mineral resources potential evaluation of Limestone quarry of Kaixian of Chongqing in traditional geometrical method firstly, then using the matrix and powerful function of drawing of MATLAB, doing the algorithm analysis, writing the MATLAB programs in C language. 本文先用传统几何方法&平行块段法进行重庆市开县石灰石矿矿产资源量估算,再利用MATLAB的矩阵运算及强大的图形绘制功能,进行算法分析,再用C语言编写MATLAB程序代码。
In the sheet metal unfolding primary stage, mapping method is put forward. It is a pure handmade geometrical drawing method with low production efficiency and qualified rate of products, occupying much time of the designers. 钣金展开的最初阶段提出了作图法,作图法是纯手工的几何绘图法,占据了设计人员大量的时间,不仅生产效率低,并且产品的合格率也不高。