#5956: image dimensions for show() are in inches
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Reporter: mvngu |
Owner: was
Type: defect |
Status: needs_review
Priority: minor |
Milestone: sage-5.4
Component: graphics |
Resolution:
Keywords: image dimensions, figsize, beginner | Work
issues:
Report Upstream: None of the above - read trac for reasoning. |
Reviewers: Karl-Dieter Crisman
Authors: Emily Chen | Merged
in:
Dependencies: |
Stopgaps:
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Comment (by ppurka):
This ticket is awesome! Brought my laptop to a crawl! :)
@emchennyc: I might come back to this ticket if kcrisman doesn't. For now,
it seems that matplotlib (even the latest 1.2.0 release) does not handle
the parameters `[256,256]` properly. It tries to allocate memory and then
fails, resulting in a segfault.
What kcrisman asks is a doctest like this (under a `TEST:` section; look
at how these sections are written in other functions or other files):
{{{
TEST:
The following plot segfaults sage and should not be doctested.::
sage: plot(x).show(figsize=[256,256]) # not tested
}}}
If you do happen to run this command, be very careful. I suggest you set a
ulimit before you start sage. If you have, say 3G, of memory/RAM, then set
ulimit to 2G and only then start sage. If you have even less memory then
you will need to set even lower ulimit, but sage won't run properly below
1G.
{{{
$ ulimit -v 2000000
$ sage
sage: plot(x).show(figsize=[256,256]) # boom, segv!!
}}}
That said, I would like you to set some defaults in your editor.
Currently, your patch contains a mixture of tabs and spaces. I suggest you
change the settings in your editor to not insert tabs, and instead insert
4 spaces every time you press a tab key.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5956#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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