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")

Warnig

Command «open» in the last line of the code above is supported at macintosh.

For other operational systems, it may have need to be replaced to «display» or «xpdf».

For portability, the result is transformed with command

convert PythonAdoExamole01.eps png8:PythonAdoExamole01.png

References

Keywords

«Ado.py», «Python»,