#18711: fix elliptic curve plot legends
------------------------+----------------------------
Reporter: kcrisman | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-6.8
Component: graphics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
------------------------+----------------------------
{{{
sage: Qx.<x>=PolynomialRing(QQ)
sage: K.<a> = NumberField(x^2-2)
sage: S = K.embeddings(RR)
sage: E=EllipticCurve([a,0])
sage: F = E.base_extend(S[0])
sage: F.plot(legend_label='b')
Launched png viewer for Graphics object consisting of 2 graphics
primitives
}}}
The legend label appears twice, because
{{{
sage: F.plot??
...
for j in range(len(I)):
a,b,shape = I[j]
v = generate_plot_points(f1, (a, b), plot_points,
adaptive_tolerance, adaptive_recursion, randomize)
w = generate_plot_points(f2, (a, b), plot_points,
adaptive_tolerance, adaptive_recursion, randomize)
if shape == 'o':
g += plot.line(v + list(reversed(w)) + [v[0]], **args)
elif shape == '<':
g += plot.line(list(reversed(v)) + w, **args)
elif shape == '>':
g += plot.line(v + list(reversed(w)), **args)
else:
g += plot.line(v, **args)
g += plot.line(w, **args)
return g
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/18711>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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