In this paper, a method about how to program in Delphi with OpenGL to demonstrate the 3D shape of solder paste is presented. It also realizes some functions such as rotating, scaling and displaying different color according to the thickness of solder paste. Experimental results show that programming in Delphi with OpenGL to demonstrate the 3D shape of solder paste dynamically can not only avoid a lot of matrix operation, reduce the length of the program code, enhance the efficiency of programming, but also improve the demonstration effect of graphics.%研究在Delphi下采用OpenGL编程显示锡膏三维形态的方法,并且实现旋转、缩放及根据锡膏厚度显示不同的颜色等功能.实验结果表明:在Delphi7.0平台上采用OpenGL编程实现锡膏三维形态实时动态显示不仅可以避免大量的矩阵运算、减少程序代码长度、提高编程效率,而且能够提高图形的显示效果.
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