Steve,
This patch is pretty straightforward. I've applied it. I'll take a close look
at the other patch later as it's a little more involved.
Regards
Andrew
On Tuesday 04 Jun 2013 18:33:47 Alan W. Irwin wrote:
> On 2013-05-27 12:55-0000 Schwartz, Steven J wrote:
> > Dear plplot-devel,
> >
> > I attach a patch to fix the mis-alignment of the major axes and grid
>
> in the case of a time-axis ('d' option). This was due to different
> algorithms being applied to determine the grid and tick location. In
> essence, the grid didn't subtract off the start time.
>
> > While fixing this, I also found a small bug in the tick routine for
>
> the left y-axis again in the case of time ('d') option. This was due
> to a vpwymi instead of vpwyma at this location. For reasons best known
> to you, the tick routines work down the left axis and up the right
> axis, so the two bits of code are different.
>
> > I attach some code to test this, plus the before and after outputs.
> >
> > Steve
> >
> > PS I submitted a separate patch, also to plbox, last week. If it
>
> would be helpful, I can generate a patch that combines both sets of
> fixes. Both are patched against svn 12298.
>
> > PPS in case someone is confused. My test rig plots y-axes as both a
>
> float representation of the time (which starts at zero and runs
> several days) and the plplot time (which starts at t=0 seconds,
> corresponding to day 001 of the year). So the two plots don't appear
> to have the same y-limits but are correct.
>
> > PPPS I looked at the minor tick grid option ('h'), which works ok
>
> but is absent in all cases unless the major grid is also requested. I
> guess this is probably as intended, but does limit the ability to use
> different line styles, thicknesses, and/or colours for the major and
> minor grid.
>
> Hi Steve:
>
> I am up to my eyes in something else (The "Build Projects" project) so
> I don't have time to look at your patches for probably several weeks.
> Since nobody else has responded they are probably in the same
> situation (one of the perils of an all-volunteer project). However,
> from your explanation of your first patch, it appears you are fixing
> an area of PLplot (label exponents) that I have long thought was
> problematic. In fact, the situation has been so bad I have always
> gone out of my way to use scaled or logarithmic variables to avoid
> exponent labels as much as possible. So your first patch and also your
> second patch to fix a misalignment issue sound useful. So ping us
> again in a couple of weeks if nobody has evaluated your patches by
> then.
>
> Alan
> __________________________
> Alan W. Irwin
>
> Astronomical research affiliation with Department of Physics and Astronomy,
> University of Victoria (astrowww.phys.uvic.ca).
>
> Programming affiliations with the FreeEOS equation-of-state
> implementation for stellar interiors (freeeos.sf.net); the Time
> Ephemerides project (timeephem.sf.net); PLplot scientific plotting
> software package (plplot.sf.net); the libLASi project
> (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
> and the Linux Brochure Project (lbproject.sf.net).
> __________________________
>
> Linux-powered Science
> __________________________
>
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