def __init__(self, x, y, r1, r2, angle, options):
"""
Initializes base class ``Ellipse``.
TESTS::
sage: from sage.plot.ellipse import Ellipse
sage: e = Ellipse(0, 0, 1, 1, 0, {})
sage: print(loads(dumps(e)))
Ellipse centered at (0.0, 0.0) with radii (1.0, 1.0) and angle 0.0
sage: ellipse((0,0),0,1)
Traceback (most recent call last):
...
ValueError: both radii must be positive
"""
self.x = float(x)
self.y = float(y)
self.r1 = float(r1)
self.r2 = float(r2)
if self.r1 <= 0 or self.r2 <= 0:
raise ValueError("both radii must be positive")
self.angle = fmod(angle, 2 * pi)
if self.angle < 0:
self.angle += 2 * pi
GraphicPrimitive.__init__(self, options)
def __init__(self, x, y, r, options):
"""
Initializes base class Circle.
EXAMPLES::
sage: C = circle((2,3), 5, edgecolor='red', alpha=.5, fill=True)
sage: C[0].x
2.0
sage: C[0].r
5.0
sage: C[0].options()['edgecolor']
'red'
sage: C[0].options()['alpha']
0.500000000000000
"""
self.x = float(x)
self.y = float(y)
self.r = float(r)
GraphicPrimitive.__init__(self, options)
def __init__(self, x, y, r, options):
"""
Initializes base class Circle.
EXAMPLES::
sage: C = circle((2,3), 5, edgecolor='red', alpha=.5, fill=True)
sage: C[0].x
2.0
sage: C[0].r
5.0
sage: C[0].options()['edgecolor']
'red'
sage: C[0].options()['alpha']
0.500000000000000
"""
self.x = float(x)
self.y = float(y)
self.r = float(r)
GraphicPrimitive.__init__(self, options)
def __init__(self, x, y, r1, r2, angle, options):
"""
Initializes base class ``Ellipse``.
TESTS::
sage: from sage.plot.ellipse import Ellipse
sage: e = Ellipse(0, 0, 1, 1, 0, {})
sage: print loads(dumps(e))
Ellipse centered at (0.0, 0.0) with radii (1.0, 1.0) and angle 0.0
sage: ellipse((0,0),0,1)
Traceback (most recent call last):
...
ValueError: both radii must be positive
"""
self.x = float(x)
self.y = float(y)
self.r1 = float(r1)
self.r2 = float(r2)
if self.r1 <= 0 or self.r2 <= 0:
raise ValueError, "both radii must be positive"
self.angle = fmod(angle, 2 * pi)
if self.angle < 0: self.angle += 2 * pi
GraphicPrimitive.__init__(self, options)