/usr/share/octave/packages/fpl-1.3.4/deprecated/FPL2dxappenddata.m is in octave-fpl 1.3.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | ## 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} {} FPL2dxappenddata ( @var{filename},
## @var{p}, @var{t}, @var{u}, @var{attr_name}, @var{attr_rank},
## @var{attr_shape}, @var{endflie} )
##
## Apends data to a file in DX form.
## Only one variable can be written to the file
## variable must be a scalar, vector or tensor of doubles
## mesh data in the file must be consistent with this variable
##
## Variable must be a scalar, vector or tensor of doubles
##
## @itemize @minus
## @item @var{filename}= name of file to save (type string)
## @item @var{p}, @var{t} = mesh
## @item @var{u} = variable to save
## @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)
## @item @var{endfile} = 0 if you want to add other variables to the
## same file, 1 otherwise
## @end itemize
## @end deftypefn
function FPL2dxappenddata(filename,p,t,u,attr_name,attr_rank,attr_shape,endfile)
p = p';
t = t';
t = t(:,1:3);
fid=fopen (filename,'a');
Nnodi = size(p,1);
Ntriangoli = size(t,1);
fprintf(fid,'\nattribute "element type" string "triangles"\nattribute "ref" string "positions"\n\n');
if ((attr_rank==0) && (min(size(u))==1))
fprintf(fid,'object "%s.data"\nclass array type double rank 0 items %d data follows',attr_name,Nnodi);
fprintf(fid,'\n %1.7e',u);
else
fprintf(fid,'object "%s.data"\nclass array type double rank %d shape %d items %d data follows', ...
attr_name,attr_rank,attr_shape,Nnodi);
for i=1:Nnodi
fprintf(fid,'\n');
fprintf(fid,' %1.7e',u(i,:));
endfor
endif
fprintf(fid,['\nattribute "dep" string "positions"\n\n' ...
'object "%s" class field\n'...
'component "positions" value "pos"\n'...
'component "connections" value "con"\n'...
'component "data" value "%s.data"\n'],...
attr_name,attr_name);
if(endfile)
fprintf(fid,'\nend\n');
endif
fclose (fid);
endfunction
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