--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extra/fpl/deprecated/FPL2ptcquiver.m	Mon Aug 17 10:19:39 2015 +0000
@@ -0,0 +1,83 @@
+## Copyright (C) 2004-2008  Carlo de Falco, Massimiliano Culpo
+##
+##  This file is part of 
+##
+##                   FPL - Fem PLotting package for octave
+## 
+##  FPL 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.
+## 
+##  FPL 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 FPL; If not, see <http://www.gnu.org/licenses/>.
+##
+##
+##  AUTHORS:
+##  Carlo de Falco <cdf _AT_ users.sourceforge.net>
+##
+##  Culpo Massimiliano
+##  Bergische Universitaet Wuppertal
+##  Fachbereich C - Mathematik und Naturwissenschaften
+##  Arbeitsgruppe fuer Angewandte MathematD-42119 Wuppertal  Gaussstr. 20 
+##  D-42119 Wuppertal, Germany
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} FPL2ptcquiver (@var{mesh1}, @var{color1}
+## @var{vx1}, @var{vy1}, [ @var{mesh2}, @var{color2}, @var{vx2}, @var{vy2} ...])
+## 
+## Plots the 2D vector fields @var{vx}, @var{vy} 
+## defined on the triangulations @var{mesh} using opendx.
+##
+##
+## @seealso{FPL2pdesurf, FPL2ptcsurf, FPL2pdequiver}
+## @end deftypefn
+
+function FPL2ptcquiver(varargin) 
+  
+  colorlist = "";
+  datalist  = "";
+  
+  for ii = 1:4:nargin
+    dataname{ii} = mktemp("/tmp",".dx");
+    JX = sum(varargin{ii+2},1)'/3;
+    JY = sum(varargin{ii+3},1)'/3;
+    FPL2dxoutputdata(dataname{ii},varargin{ii}.p,varargin{ii}.t,[ JX JY],'J',1,2,1);
+    datalist = strcat (datalist, """", dataname{ii} , """");
+    colorlist= strcat (colorlist, """", varargin{ii+1} , """");
+  endfor
+  
+  scriptname = mktemp("/tmp",".net");
+  
+  view       = file_in_path(path,"FPL2ptcquiver.net");
+  
+  system (["cp " view " " scriptname]);
+  system (["sed -i \'s|""FILELIST""|" datalist "|g\' " scriptname]);
+  system (["sed -i \'s|""COLORLIST""|" colorlist "|g\' " scriptname]);
+
+  command = ["dx  -noConfirmedQuit -program " scriptname " -execute -image  >& /dev/null & "];  
+  system(command);
+  
+endfunction
+
+function filename = mktemp (direct,ext);
+  
+  if (~exist(direct,"dir"))
+    error("trying to save temporary file to non existing directory")
+  endif
+  
+  done=false;
+  
+  while ~done
+    filename = [direct,"/FPL.",num2str(floor(rand*1e7)),ext];
+    if ~exist(filename,"file")
+      done =true;
+    endif
+  endwhile
+
+endfunction