--- /dev/null
+## 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 2 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} {} FPL3dxoutputfield( @var{filename}, @
+## @var{meshfilename}, @var{dep}, @var{u}, @var{attr_name}, @var{attr_rank}, @
+## @var{attr_shape}, @var{endfile} )
+##
+## Outputs data in DX form.
+##
+## Variable must be a scalar, vector or tensor of doubles
+##
+## @itemize @minus
+## @item @var{filename} = name of file to save (type string)
+## @item @var{meshfilename} = name of mesh file (type string)
+## @item @var{dep} = "positions" for node data, "connections" for element data
+## @item @var{field} = field data to be saved
+## @item @var{attr_name} = name of the variable (type string)
+## @item @var{attr_rank} = rank of variable data (0 for scalar, 1 for vector, etc.)
+## @item @var{attr_shape} = number of components of variable data (assumed 1 for scalar)
+## @end itemize
+## @end deftypefn
+
+function FPL3dxoutputfield(filename,meshfilename,dep,field,attr_name,attr_rank,attr_shape)
+
+ fid = fopen (filename,"w");
+ nnodes = size(field,1);
+
+ if ((attr_rank==0) & (min(size(field))==1))
+ fprintf(fid,"object ""%s.data""\nclass array type double rank 0 items %d data follows",attr_name,nnodes);
+ fprintf(fid,"\n %e",field);
+ else
+ fprintf(fid,"object ""%s.data""\nclass array type double rank %d shape %d items %d data follows",attr_name,attr_rank,attr_shape,nnodes);
+ for ii = 1:nnodes
+ fprintf(fid,"\n");
+ fprintf(fid," %e",field(ii,:));
+ endfor
+ endif
+ fprintf(fid,"\nattribute ""dep"" string ""%s""\n\n",dep);
+ fprintf(fid,"object ""%s"" class field\n",attr_name);
+ fprintf(fid,"component ""positions"" file %s ""pos""\n",meshfilename);
+ fprintf(fid,"component ""connections"" file %s ""con""\n",meshfilename);
+ fprintf(fid,"component ""data"" value ""%s.data""\n",attr_name);
+
+ fprintf(fid,"\nend\n");
+ fclose (fid);
+
+endfunction
+
+