examples/path/at.py

   1 from pyx import *
   2
   3 def mark(x, y):
   4     return path.circle(x, y, 0.1)
   5
   6 c = canvas.canvas()
   7
   8 p1 = path.curve(0, 0, 1, 0, 1, 1, 2, 1)
   9 c.stroke(p1)
  10 c.fill(mark(*p1.atbegin()))
  11 c.fill(mark(*p1.at(0.5*p1.arclen())))
  12 c.fill(mark(*p1.atend()))
  13
  14 p2 = path.curve(3, 0, 4, 0, 4, 1, 5, 1)
  15 c.stroke(p2)
  16 c.fill(mark(*p2.at(p2.begin()+0.5)))
  17 c.fill(mark(*p2.at(p2.end()-0.5)))
  18
  19 c.writeEPSfile("at")
  20 c.writePDFfile("at")
  21 c.writeSVGfile("at")