#7872: Adding coordinate transformations to plot3d
--------------------------------------------------------+-------------------
Reporter: olazo | Owner: olazo
Type: enhancement | Status:
needs_work
Priority: minor | Milestone:
sage-4.3.3
Component: graphics | Keywords:
Author: Bill Cauchois, Oscar Gerardo Lazo Arjona | Upstream: N/A
Reviewer: Karl-Dieter Crisman | Merged:
Work_issues: |
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Comment(by wcauchois):
Replying to [comment:20 kcrisman]:
> Ah, I think I see. There are six different possibilities for order of
independent variables and the dependent variable, and you want to allow
all of these - it that it? Maybe you should make it clearer that this is
what is going on by saying that it's not the names, but rather which one
is the dependent variable, you are changing - in fact, that the names look
the same only to preserve the usual terminology - and then adding to
> {{{
> sage: Spherical('theta', ['r', 'phi'])
> Spherical coordinate system (theta in terms of r, phi)
> }}}
> by actually plotting something with this.
In the docstring on line 254, I do just that.
> Also, in line 623, I think it should be
> {{{
> sage: var('r,u,v')
> }}}
> instead of r, u, u; I am surprised this doesn't give a doctest failure
(I didn't get a chance to run that right now).
Good catch!
> Is it ok if I make it still 'needs work' to just clarify these? For
most users it will all be irrelevant, of course, but if we are really
going to import Spherical() at the top level, then it should be very clear
what the point is.
I've done my best on the documentation, but it still might not be entirely
clear on how to use Spherical and Cylindrical. Most users, of course, can
simply use spherical_plot3d and cylindrical_plot3d. Can you make any
concrete suggestions on how to improve the documentation? Does anyone have
any ideas for sentences to add?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7872#comment:21>
Sage <http://www.sagemath.org>
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