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[Octave-bug-tracker] [bug #44427] Document that ginput is intended for 2


From: Andreas Weber
Subject: [Octave-bug-tracker] [bug #44427] Document that ginput is intended for 2-D plots
Date: Wed, 04 Mar 2015 19:02:12 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.4.0

Follow-up Comment #1, bug #44427 (project octave):

Btw, I once implemented FLTKs axes currentpoint as specified by ML for 3D
plots as vector perpendicular to the image plane through that point. For
example:


close all
graphics_toolkit fltk
sombrero
# please click the figure
ginput (1); #dummy read to wait for click

p = get (gca, "currentpoint");
tmp = axis ();
line (p(:, 1), p(:, 2), p(:,3), "linewidth", 3)
axis (tmp)


so we could easily return more than x, y for 3D plots if we want. What does
the other produkt return for 3D plots?

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Reply to this item at:

  <http://savannah.gnu.org/bugs/?44427>

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