X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fplot%2Fprivate%2F__gnuplot_open_stream__.m;fp=octave_packages%2Fm%2Fplot%2Fprivate%2F__gnuplot_open_stream__.m;h=65bb7b57403020b77b3723d2770e5531337bc43b;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278 diff --git a/octave_packages/m/plot/private/__gnuplot_open_stream__.m b/octave_packages/m/plot/private/__gnuplot_open_stream__.m new file mode 100644 index 0000000..65bb7b5 --- /dev/null +++ b/octave_packages/m/plot/private/__gnuplot_open_stream__.m @@ -0,0 +1,45 @@ +## Copyright (C) 2009-2012 Ben Abbott +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{stream} =} __gnuplot_open_stream__ (@var{npipes}, @var{h}) +## Undocumented internal function. +## @end deftypefn + +## Author: Ben Abbott +## Created: 2009-04-11 + +function plot_stream = __gnuplot_open_stream__ (npipes, h) + [prog, args] = gnuplot_binary (); + if (npipes > 1) + [plot_stream(1), plot_stream(2), pid] = popen2 (prog, args{:}); + if (pid < 0) + error ("__gnuplot_open_stream__: failed to open connection to gnuplot"); + else + plot_stream(3) = pid; + endif + else + plot_stream = popen (sprintf ("%s ", prog, args{:}), "w"); + if (plot_stream < 0) + error ("__gnuplot_open_stream__: failed to open connection to gnuplot"); + endif + endif + if (nargin > 1) + set (h, "__plot_stream__", plot_stream); + endif +endfunction