test/functional/test_axis.py

   1 #!/usr/bin/env python
   2 import sys; sys.path[:0] = ["../.."]
   3
   4 import math
   5 from pyx import *
   6 from pyx.graph.axis.parter import linear as linparter
   7 from pyx.graph.axis.painter import regular, ticklength, rotatetext
   8 from pyx.graph.axis.texter import rational, exponential
   9 from pyx.graph.axis.axis import lin, pathaxis
  10
  11 c = canvas.canvas()
  12 lintest = {"title": "axis title", "min": 0, "max": 1, "parter": linparter(["0.25", "0.1/0.8"])}
  13 c.insert(pathaxis(path.path(path.moveto(0, 0), path.lineto(0, 8)),
  14                         lin(**lintest),
  15                         direction=-1))
  16 c.insert(pathaxis(path.path(path.moveto(1, 0), path.lineto(1, 8)),
  17                         lin(**lintest)))
  18 c.insert(pathaxis(path.path(path.moveto(5, 0), path.lineto(5, 8)),
  19                         lin(painter=regular(labelattrs=[trafo.rotate(45)], titleattrs=[trafo.rotate(45)]), **lintest),
  20                         direction=-1))
  21 c.insert(pathaxis(path.path(path.moveto(8, 0), path.lineto(8, 8)),
  22                         lin(painter=regular(labelattrs=[trafo.rotate(45), text.halign.right], titleattrs=[trafo.rotate(-45)]), **lintest),
  23                         direction=-1))
  24 c.insert(pathaxis(path.path(path.moveto(11, 0), path.lineto(11, 8)),
  25                         lin(painter=regular(tickattrs=[color.rgb.red], innerticklength=0, outerticklength=ticklength.normal), **lintest),
  26                         direction=-1))
  27 c.insert(pathaxis(path.path(path.moveto(12, 0), path.lineto(12, 8)),
  28                         lin(painter=regular(tickattrs=[attr.changelist([None, color.rgb.green])]), **lintest)))
  29 c.insert(pathaxis(path.path(path.moveto(16, 0), path.lineto(16, 8)),
  30                         lin(texter=exponential(), **lintest),
  31                         direction=-1))
  32 c.insert(pathaxis(path.path(path.moveto(18, 0), path.lineto(18, 8)),
  33                         lin(texter=rational(), **lintest),
  34                         direction=-1))
  35 lintest = {"title": "axis title", "min": -2*math.pi, "max": 0, "divisor": math.pi, "parter": linparter("0.25")}
  36 c.insert(pathaxis(path.path(path.moveto(0, 11), path.lineto(8, 11)),
  37                         lin(texter=rational(suffix="\pi"), **lintest)))
  38 lintest = {"title": "axis title", "min": 0, "max": 2*math.pi, "divisor": math.pi, "parter": linparter("0.5")}
  39 c.insert(pathaxis(path.path(path.moveto(10, 11), path.lineto(18, 11)),
  40                         lin(texter=rational(enumsuffix="\pi", over="%s/%s"), **lintest)))
  41 lintest = {"min": 0, "max": 2*math.pi, "divisor": math.pi, "parter": linparter("0.125")}
  42 c.insert(pathaxis(path.circle(4, 17, 4),
  43                         lin(texter=rational(suffix="\pi"), **lintest)))
  44 lintest = {"min": 0, "max": 2*math.pi, "divisor": math.pi/180, "parter": linparter("30")}
  45 c.insert(pathaxis(path.circle(14, 17, 4),
  46                         lin(painter=regular(labeldirection=rotatetext.parallel), **lintest)))
  47 c.writeEPSfile("test_axis", paperformat="a4")
  48 c.writePDFfile("test_axis", paperformat="a4")
  49