def moonExample():
# a high-resolution, softly flickering moon,
# constructed by the difference of two stars ...
moon = Star(radius=3, center=(1.0, 2.0), beams=140, iradius=2.90) \
- Star(radius=3, center=(-0.3, 2.0), beams=140, iradius=2.90)
# plot the moon and its convex hull
writeSVG('MoonAndHull.svg', (moon, convexHull(moon)), height=400, fill_opacity=(1.0, 0.3))
# test point containment
d = ['outside', 'inside']
c = moon.center()
print 'Did you know that the center of gravitation of my moon is %s?' % d[moon.isInside(c[0], c[1])]
def moonExample():
# a high-resolution, softly flickering moon,
# constructed by the difference of two stars ...
moon = Star(radius=3, center=(1.0, 2.0), beams=140, iradius=2.90) \
- Star(radius=3, center=(-0.3, 2.0), beams=140, iradius=2.90)
# plot the moon and its convex hull
writeSVG('MoonAndHull.svg', (moon, convexHull(moon)), height=400, fill_opacity=(1.0, 0.3))
# test point containment
d = ['outside', 'inside']
c = moon.center()
print 'Did you know that the center of gravitation of my moon is %s?' % d[moon.isInside(c[0], c[1])]
def chull(self):
""" Return convex hull of points."""
if self._chull is None:
self._chull = convexHull(self.points).contour(0)
return self._chull
def chull(self):
""" Return convex hull of points."""
if self._chull is None:
self._chull = convexHull(self.points).contour(0)
return self._chull