examples/drawing/metapost.py

   1 from pyx import *
   2 from pyx.metapost.path import beginknot, endknot, smoothknot, tensioncurve
   3
   4 p1, p2, p3, p4, p5 = (0, 0), (2, 1.33), (1.3, 3), (0.33, 2.33), (1, 1.67)
   5 openpath = metapost.path.path([
   6     beginknot(*p1), tensioncurve(), smoothknot(*p2), tensioncurve(),
   7     smoothknot(*p3), tensioncurve(), smoothknot(*p4), tensioncurve(),
   8     endknot(*p5)])
   9 closedpath = metapost.path.path([
  10     smoothknot(*p1), tensioncurve(), smoothknot(*p2), tensioncurve(),
  11     smoothknot(*p3), tensioncurve(), smoothknot(*p4), tensioncurve(),
  12     smoothknot(*p5), tensioncurve()])
  13 c = canvas.canvas()
  14 for p in [p1, p2, p3, p4, p5]:
  15     c.fill(path.circle(p[0], p[1], 0.05), [color.rgb.red])
  16     c.fill(path.circle(p[0], p[1], 0.05), [color.rgb.red, trafo.translate(2, 0)])
  17 c.stroke(openpath)
  18 c.stroke(closedpath, [trafo.translate(2, 0)])
  19
  20 c.writeEPSfile("metapost")
  21 c.writePDFfile("metapost")