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荫影图是工程技术中用得较多的一种图形。用计算机绘制荫影图的,无任何非标准语句的FORTRAN 77程序,尚未见文献报道。 我们用标准FORTRAN 77语言设计了绘制荫影图的计算机程序。该程序由一个基本子程序和六个从属子程序组成,共195行。基本子程序名为SHADOW。它调用五个子程序,它们是:TITLE3,MIMAX3,TRLOR,GEDOR,PRISYl,XDESOR。 使用程序SHADOW前,必须先把荫影图转换成二维数组Y(M,N),即m×n阶矩
Shadowgraph is a kind of graph used more in engineering and technology. The FORTRAN 77 program for computer-generated shadowing without any non-standard statements has not been reported. We have designed a computer program for shading in the standard FORTRAN 77 language. The program consists of a basic subroutine and six subordinate subroutines, a total of 195 lines. The basic subroutine name SHADOW. It calls five subroutines, which are: TITLE3, MIMAX3, TRLOR, GEDOR, PRISYl, XDESOR. Before using the program SHADOW, the shadow map must be converted into a two-dimensional array Y (M, N), that is, m × n moments