File:PythonAdoExamole01.png

Example of use of Python routine Ado.py

Generator

import math
o= open("PythonAdoExamole01.eps","w+")

def ado(x,y):
 o.write("%!PS-Adobe-2.0 EPSF-2.0\r\n%%")
 o.write("BoundingBox: 0 0 %d " %x)
 o.write("%d\r\n" %y)
 o.write("/RGB {setrgbcolor} bind def\r\n")
 o.write("/W {setlinewidth} bind def\r\n")
 o.write("/M {moveto} bind def\r\n")
 o.write("/L {lineto} bind def\r\n")
 o.write("/C {closepath} bind def\r\n")
 o.write("/S {stroke} bind def\r\n")

ado(1020,420)

o.write("10 10 translate\r\n")
o.write("100 100 scale\r\n")
o.write("1 setlinejoin 2 setlinecap\r\n")

def M(x,y):
 o.write("%f " %x)
 o.write("%f M\n" %y)

def L(x,y):
 o.write("%f " %x)
 o.write("%f L\n" %y)

for n in range(0,5):
 M(0, n)
 L(10, n)

for n in range(0,11):
 M(n,4)
 L(n,0)
o.write("0 0 0 RGB .02 W S\r\n")

a = [3.190074, 3.00812328, 2.81343466, 2.60300605, 2.37695838, 2.1300704, 1.86308525, 1.57027974, 1.24972556, 0.89783445, 0.50733685]

for n in range(0,11):
 print n, a[n]

M(0,a[0])
for n in range(1,11):
# x= math.sin(.1*n)
 L(n,a[n])
o.write("1 0 0 RGB .1 W S\r\n")
o.write("showpage\r\n")
o.close()
print("closed\n")
import os
os.system("epstopdf PythonAdoExamole01.eps")
os.system("    xpdf PythonAdoExamole01.pdf")

Notes

For some operational systems, command «xpdf» in the last line of the code may have need to be replaced to «display».

For portability, the result is transformed with command

convert PythonAdoExamole01.eps png8:PythonAdoExamole01.png

References

Keywords

«Ado.py», «Python»,