#7808: Plots seem to be shifted up and to the left by one pixel or so
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Reporter: jason | Owner: was
Type: defect | Status: needs_info
Priority: major | Milestone: sage-4.4.4
Component: graphics | Keywords:
Author: Jason Grout | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by jason):
Replying to [comment:10 kcrisman]:
> I'm uncomfortable with the following comment in the patch
> {{{
> (but drawing another
> # horizontal/vertical line through the origin may not!)
> }}}
> But would that still be the case for the mpl upgrade piece?
Setting path.snap to False makes all horizontal/vertical lines do the
.set_snap(False) (not just the axes). So using the rcParam as above would
make all horizontal and vertical lines consistent.
>
> Otherwise it seems that 2 is the best option. Axes that don't match is
a similarly annoying thing to the moved-over pixel.
In that case, all we have to do is set the matplotlib path.snap config
parameter somewhere (either in our code, or provide a default
matplotlibrc, or modify the default matplotlibrc in the spkg.
I played a little with Mathematica, and it seems like they have both crisp
horizontal lines *and* perfect axes. I'm not quite sure what they are
doing, though.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7808#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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