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[Octave-bug-tracker] [bug #49341] demo legend 14 produce error with gnup

From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #49341] demo legend 14 produce error with gnuplot
Date: Sun, 16 Oct 2016 07:33:16 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0

Follow-up Comment #7, bug #49341 (project octave):

Attached is a fix for the legend entry of some more hggroup objects.  I've
done what I can as far as almost-correct legend symbols.  One of gnuplot's
limitations is in the area of keys and key entries.  I wish it was done
differently however many years ago now.  In order to construct a key with both
lines and points, someone devised a new style 'linespoints': sounds good, but
it is so restrictive once other styles are introduced, e.g., error bars and
boxes, etc.  Then try remember the names.  It would have been much nicer if
one could specify "plot <mydata> with lines ... and points ..." such that all
of those items appear in the key symbol.

Anyway, try the following:

demo legend 17
demo legend 18
demo legend
demo errorbar

The stem series of legend 17 demo illustrates how a circle and line can be in
the key IF the two are the same color.  But linespoints can't have different
colors for lines and for points, so those two have to be done
separately--hence cannont be in the same key symbol.

(file #38738)

Additional Item Attachment:

File name: octave-gnuplot_hggroup_legend_bug49341-djs2016oct16.patch Size:9 KB


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