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[Octave-bug-tracker] [bug #49260] gnuplot visual differences to OpenGL t

From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #49260] gnuplot visual differences to OpenGL toolkit
Date: Thu, 6 Oct 2016 17:37:13 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0

Follow-up Comment #5, bug #49260 (project octave):

I've attached a changeset for the errorbar multiple legend entry problem, one
of the bigger issues.  The patch is actually not real big, but I shifted a big
hunk of conditional code two spaces left which comes out jumbled.  The key
entries are constructed using phantom data.

The 'boxxyerrorbars' (i.e., error boxes) has no point type (see 'demo errorbar
5'), but the 'xyerrorbars' (i.e., error bars) does have a point type even
though the demo does not activate it.  I attempted adding a point type to
error boxes, but confusion about documentation lead to object actually just
being a 'boxxy', (i.e., a conventional box with x and y dimensions):


but I don't think that will happen.

So, this patch is a first step toward a satisfactory, but not complete
solution I suggest applying.  After that, since Octave goes to the lengths of
defining a legend in terms of elementary plot objects, I will attempt some
kind of hybrid that draws the legend along the lines of how current axes
drawing is handled but make sure the text portion comes out reasonably
balanced in terms of legend border.  My intuition is that may not come out
perfectly, hence the reason for applying this patch as an intermediate step.

(file #38677)

Additional Item Attachment:

File name: octave-gnuplot_key_errorbar_bug49260-djs2016oct06.patch Size:12 KB


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