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1 ## Copyright (C) 2004-2008 Carlo de Falco, Massimiliano Culpo |
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2 ## |
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3 ## This file is part of |
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4 ## |
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5 ## FPL - Fem PLotting package for octave |
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6 ## |
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7 ## FPL is free software; you can redistribute it and/or modify |
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8 ## it under the terms of the GNU General Public License as published by |
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9 ## the Free Software Foundation; either version 3 of the License, or |
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10 ## (at your option) any later version. |
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11 ## |
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12 ## FPL is distributed in the hope that it will be useful, |
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13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 ## GNU General Public License for more details. |
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16 ## |
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17 ## You should have received a copy of the GNU General Public License |
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18 ## along with FPL; If not, see <http://www.gnu.org/licenses/>. |
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19 ## |
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20 ## |
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21 ## AUTHORS: |
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22 ## Carlo de Falco <cdf _AT_ users.sourceforge.net> |
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23 ## |
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24 ## Culpo Massimiliano |
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25 ## Bergische Universitaet Wuppertal |
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26 ## Fachbereich C - Mathematik und Naturwissenschaften |
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27 ## Arbeitsgruppe fuer Angewandte MathematD-42119 Wuppertal Gaussstr. 20 |
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28 ## D-42119 Wuppertal, Germany |
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29 |
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30 ## -*- texinfo -*- |
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31 ## @deftypefn {Function File} {} FPL2dxappenddata ( @var{filename}, |
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32 ## @var{p}, @var{t}, @var{u}, @var{attr_name}, @var{attr_rank}, |
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33 ## @var{attr_shape}, @var{endflie} ) |
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34 ## |
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35 ## Apends data to a file in DX form. |
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36 ## Only one variable can be written to the file |
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37 ## variable must be a scalar, vector or tensor of doubles |
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38 ## mesh data in the file must be consistent with this variable |
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39 ## |
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40 ## Variable must be a scalar, vector or tensor of doubles |
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41 ## |
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42 ## @itemize @minus |
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43 ## @item @var{filename}= name of file to save (type string) |
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44 ## @item @var{p}, @var{t} = mesh |
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45 ## @item @var{u} = variable to save |
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46 ## @item @var{attr_name} = name of the variable (type string) |
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47 ## @item @var{attr_rank} = rank of variable data (0 for scalar, 1 for vector, etc.) |
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48 ## @item @var{attr_shape} = number of components of variable data (assumed 1 for scalar) |
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49 ## @item @var{endfile} = 0 if you want to add other variables to the |
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50 ## same file, 1 otherwise |
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51 ## @end itemize |
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52 ## @end deftypefn |
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53 |
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54 function FPL2dxappenddata(filename,p,t,u,attr_name,attr_rank,attr_shape,endfile) |
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55 |
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56 p = p'; |
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57 t = t'; |
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58 t = t(:,1:3); |
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59 |
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60 fid=fopen (filename,'a'); |
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61 Nnodi = size(p,1); |
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62 Ntriangoli = size(t,1); |
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63 |
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64 fprintf(fid,'\nattribute "element type" string "triangles"\nattribute "ref" string "positions"\n\n'); |
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65 |
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66 if ((attr_rank==0) && (min(size(u))==1)) |
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67 fprintf(fid,'object "%s.data"\nclass array type double rank 0 items %d data follows',attr_name,Nnodi); |
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68 fprintf(fid,'\n %1.7e',u); |
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69 else |
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70 fprintf(fid,'object "%s.data"\nclass array type double rank %d shape %d items %d data follows', ... |
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71 attr_name,attr_rank,attr_shape,Nnodi); |
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72 for i=1:Nnodi |
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73 fprintf(fid,'\n'); |
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74 fprintf(fid,' %1.7e',u(i,:)); |
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75 endfor |
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76 endif |
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77 fprintf(fid,['\nattribute "dep" string "positions"\n\n' ... |
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78 'object "%s" class field\n'... |
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79 'component "positions" value "pos"\n'... |
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80 'component "connections" value "con"\n'... |
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81 'component "data" value "%s.data"\n'],... |
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82 attr_name,attr_name); |
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83 |
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84 if(endfile) |
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85 fprintf(fid,'\nend\n'); |
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86 endif |
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87 |
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88 fclose (fid); |
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89 |
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90 endfunction |
