1 ## Copyright (C) 2004-2008,2009 Carlo de Falco, Massimiliano Culpo
3 ## This file is part of
5 ## FPL - Fem PLotting package for octave
7 ## FPL is free software; you can redistribute it and/or modify
8 ## it under the terms of the GNU General Public License as published by
9 ## the Free Software Foundation; either version 2 of the License, or
10 ## (at your option) any later version.
12 ## FPL is distributed in the hope that it will be useful,
13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ## GNU General Public License for more details.
17 ## You should have received a copy of the GNU General Public License
18 ## along with FPL; If not, see <http://www.gnu.org/licenses/>.
22 ## Carlo de Falco <cdf _AT_ users.sourceforge.net>
25 ## Bergische Universitaet Wuppertal
26 ## Fachbereich C - Mathematik und Naturwissenschaften
27 ## Arbeitsgruppe fuer Angewandte MathematD-42119 Wuppertal Gaussstr. 20
28 ## D-42119 Wuppertal, Germany
32 ## @deftypefn {Function File} {} FPL2pdeshowmesh (@var{mesh},@var{color})
34 ## Displays one 2-D triangulations using opendx
39 ## FPL2pdeshowmesh(mesh)
40 ## FPL2pdeshowmesh(mesh,"blue")
44 ## @seealso{FPL2ptcshowmesh}
47 function FPL2pdeshowmesh (varargin)
52 colorname = varargin{2};
55 dataname = mktemp("/tmp",".dx");
56 FPL2dxoutputdata(dataname,varargin{1}.p,varargin{1}.t,varargin{1}.p(1,:)','x',0,1,1);
58 scriptname = mktemp("/tmp",".net");
60 showmesh = file_in_path(path,"FPL2pdeshowmesh.net");
62 system (["cp " showmesh " " scriptname]);
63 system (["sed -i \'s|FILENAME|" dataname "|g\' " scriptname]);
64 system (["sed -i \'s|COLORNAME|" colorname "|g\' " scriptname]);
66 command = ["dx -noConfirmedQuit -program " scriptname " -execute -image >& /dev/null & "];
71 function filename = mktemp (direct,ext);
73 if (~exist(direct,"dir"))
74 error("trying to save temporary file to non existing directory")
80 filename = [direct,"/FPL.",num2str(floor(rand*1e7)),ext];
81 if ~exist(filename,"file")
89 %! msh.p = [0 0; 1 0; 1 1; 0 1].';
90 %! msh.t = [1 2 3 1; 1 3 4 1].';
91 %! msh.e = [1 2 0 0 1 0 1; 2 3 0 0 2 0 1; 3 4 0 0 3 0 1; 4 1 0 0 4 0 1].';
92 %! FPL2pdeshowmesh (msh, "red");
93 %! s = input ("do you see a red outlined square divided in two triangles (if you see an empty plot try ctrl-F)? (y/n): " ,"s");