#12212: Colormap for implicit_plot3d and parametric_plot3d
-------------------------------------+-------------------------------------
Reporter: niles | Owner: jason, was
Type: defect | Status: positive_review
Priority: blocker | Milestone: sage-6.5
Component: graphics | Resolution:
Keywords: colormap, plot | Merged in:
Authors: Joris | Reviewers: Frédéric Chapoton,
Vankerschaver, Frédéric Chapoton, | Niles Johnson, Karl-Dieter Crisman,
Niles Johnson | Jonathan Gutow
Report Upstream: N/A | Work issues:
Branch: u/chapoton/12212 | Commit:
Dependencies: #17645 | 36e4d8cae0037fc8442fbd20594a8e36c5b46196
| Stopgaps:
-------------------------------------+-------------------------------------
Old description:
> 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].
New description:
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].
New jmol package available here:
* [http://chapoton.perso.math.cnrs.fr/jmol-14.2.11_2015.01.20.tar.bz2]
--
Comment (by fbissey):
When you have a new version of a package, please put it in the ticket
description so that it is easy to find.
--
Ticket URL: <http://trac.sagemath.org/ticket/12212#comment:165>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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