def overlap(self):
"""Try to figure out if there is an overlap
"""
self.overlappers = list()
for fbox in self.fboxes:
for gbox in self.gboxes:
# TODO: remove illustration
tmp = NaivePlot(60, 20, -1, 7, -1, 11)
cf = Curve(self.f, 0.0, 1.0, 0.001)
cg = Curve(self.g, 0.0, 1.0, 0.001)
cfb = Curve(fbox, 0.0, 1.0, 0.001)
cgb = Curve(gbox, 0.0, 1.0, 0.001)
tmp.add_curve(cf, "/", "white")
tmp.add_curve(cg, "\\", "white")
tmp.add_curve(cfb, "f", "red")
tmp.add_curve(cgb, "g", "blue")
tmp.fit_curve(cf)
tmp.fit_curve(cg)
print tmp
if fbox.overlap(gbox):
self.overlappers.append((fbox, gbox))
return len(self.overlappers) > 0
if __name__ == '__main__':
print "Demo Plot 1"
plot = NaivePlot(xmin=-3.5, xmax=3.3, ymin=-3.3, ymax=2.7)
c1 = Curve(Func(lambda x: 1-x/2), -pi, pi, 0.02)
c2 = Curve(ParaFunc(lambda t: sin(2*t)-2,
lambda t: 2*cos(t)),
0, 2*pi, 0.02)
c3 = Curve(ParaFunc(lambda t: 2+sin(t),
lambda t: cos(t)-2),
0, 2*pi, 0.02)
for (curve, cross) in [(c1, '~'), (c2, '8'), (c3, 'o')]:
plot.add_curve(curve, cross)
plot.fit_curve(curve)
for p in [1, -1, 2, -2]:
plot.add_curve(Point(p, -p), 'X')
plot.add_curve(Point(p, p), 'X')
print plot
print "Demo Plot 2"
heart = NaivePlot()
pf1 = ParaFunc(heartx, hearty)
c1 = Curve(pf1, -pi, pi, 0.001)
heart.add_curve(c1, 'o', 'red')
heart.fit_curve(c1)
pf2 = ParaFunc(curvex, curvey)
heart.add_curve(Curve(pf2, -20, 20, 0.01), 'x', 'white')
