#12212: Colormap for implicit_plot3d and parametric_plot3d
------------------------+---------------------------------------------------
Reporter: niles | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: graphics | Keywords: colormap, plot
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Colormaps work for `plot3d`, but not for `implicit_plot3d` or
`parametric_plot3d`.
Compare the following:
{{{
sage: var('r v')
sage: cmsel = [colormaps['autumn'](i) for i in sxrange(0,1,0.05)]
sage: p = plot3d(0.2*(r**2 + v**2) + cos(2*r)*sin(2*v),(r,-2,2), (v,-2,2),
adaptive=True, color=cmsel, plot_points=10, opacity=0.9)
sage: p2 = sphere((0,0,0),1,color='black',opacity=0.5)
sage: (p+p2).show(aspect_ratio=(1,1,1), figsize=[7,3])
}}}
{{{
sage: cmsel = [colormaps['autumn'](i) for i in sxrange(0,1,0.05)]
sage: var('x,y,z')
sage: implicit_plot3d(x^2+y^2+z^2==4, (x, -3, 3), (y, -3,3), (z, -3,3),
color=cmsel)
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (49, 0))
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
...
TypeError: 'NoneType' object is not iterable
}}}
See details at this [http://ask.sagemath.org/question/17/use-a-colormap-
for-implicit_plot3d Ask Sage question].
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12212>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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