#13422: Log scale plots should auto-expand axes range to include at least 2
ticks
-----------------------------------------+----------------------------------
Reporter: ppurka | Owner: jason, was
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.11
Component: graphics | Resolution:
Keywords: log plot | Work issues:
Report Upstream: N/A | Reviewers: Karl-Dieter Crisman
Authors: Punarbasu Purkayastha | Merged in:
Dependencies: | Stopgaps:
-----------------------------------------+----------------------------------
Old description:
> This comes up from an internal(?) email where it was asked that log scale
> plots should have automatic expansion of the axis if there are not enough
> ticks. The current behavior is to raise an error.
>
> The attached patch implements this feature and works as long as the user
> doesn't provide too few ticks via the `ticks` option of `show()`. This
> patch should work well with the following plots, all of which fail
> without this patch:
> {{{
> sage: plot_loglog(x, (1,10)).show(xmin=10, xmax=1)
> sage: list_plot_loglog(zip([1, 10], [0.5, 6.0]))
> sage: list_plot_loglog(zip([2, 3], [3, 4.0]), base=2)
> sage: list_plot_loglog(zip([2, 10], [0.5, 4.0]))
> }}}
>
> This patch fixes #13340 too.
>
> ----
>
> Apply [attachment:trac_13422-auto_expand_log.patch] to `devel/sage`
New description:
This comes up from an internal(?) email where it was asked that log scale
plots should have automatic expansion of the axis if there are not enough
ticks. The current behavior is to raise an error.
The attached patch implements this feature and works as long as the user
doesn't provide too few ticks via the `ticks` option of `show()`. This
patch should work well with the following plots, all of which fail without
this patch:
{{{
sage: plot_loglog(x, (1,10)).show(xmin=10, xmax=1)
sage: list_plot_loglog(zip([1, 10], [0.5, 6.0]))
sage: list_plot_loglog(zip([2, 3], [3, 4.0]), base=2)
sage: list_plot_loglog(zip([2, 10], [0.5, 4.0]))
}}}
This patch fixes #13340 too.
----
Apply [attachment:trac_13422-rebase.patch] to `devel/sage`
--
Comment (by kcrisman):
That said, I've still rebased, since I'm probably wrong and this is a
different preexisting bug :)
apply trac_13422-rebase.patch
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13422#comment:12>
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