二维和三维图形的默认视图和场景应该让用户能够确定方向，而不需要太多的平移。
Default views of 2d and 3d diagrams and scenes should be such that a user can Orient himself without too much panning around.
根据管点数据类型的不同，将图形可视化显示分为二维和三维图形分别予以编程实现。
According to the different data types of the space points, the paper achieves the programming of both the two-dimensional graphics and the three-dimensional graphics.
MATLAB图形技术采用矩阵运算方法，可以方便地绘制出各种二维和三维图形，广泛用于科学研究和工程技术。
By adapting matrix calculation method for using MATLAB drawing graph technology, 2d and 3d function graphs could be drawn, which is widely applied for science research and engineering technology.
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