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1 ## Copyright (C) 2000, 2001, 2002 Teemu Ikonen |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 3 of the License, or (at |
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8 ## your option) any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## Undocumented internal function. |
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20 |
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21 ## Created: 18.7.2000 |
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22 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi> |
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23 ## Keywords: errorbar, plotting |
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24 |
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25 function h = __errplot__ (fstr, p, a1, a2, a3, a4, a5, a6) |
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26 |
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27 if (nargin < 4 || nargin > 8) # at least two data arguments needed |
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28 print_usage (); |
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29 endif |
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30 |
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31 [fmt, key] = __pltopt__ ("__errplot__", fstr); |
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32 |
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33 [len, nplots] = size (a1); |
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34 |
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35 for i = 1:nplots |
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36 ## Set the plot type based on linestyle. |
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37 if (fmt.linestyle == "~") |
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38 ifmt = "yerr"; |
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39 elseif (fmt.linestyle == ">") |
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40 ifmt = "xerr"; |
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41 elseif (fmt.linestyle == "~>") |
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42 ifmt = "xyerr"; |
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43 elseif (fmt.linestyle == "#") |
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44 ifmt = "box"; |
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45 elseif (fmt.linestyle == "#~") |
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46 ifmt = "boxy"; |
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47 elseif (fmt.linestyle == "#~>") |
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48 ifmt = "boxxy"; |
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49 else |
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50 print_usage (); |
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51 endif |
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52 |
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53 h = __line__ (p); |
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54 |
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55 switch (nargin - 2) |
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56 case 2 |
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57 set (h, "xdata", (1:len)'); |
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58 set (h, "ydata", a1(:,i)); |
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59 set (h, "ldata", a2(:,i)); |
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60 set (h, "udata", a2(:,i)); |
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61 case 3 |
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62 set (h, "xdata", a1(:,i)); |
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63 set (h, "ydata", a2(:,i)); |
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64 set (h, "ldata", a3(:,i)); |
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65 set (h, "udata", a3(:,i)); |
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66 case 4 |
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67 set (h, "xdata", a1(:,i)); |
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68 set (h, "ydata", a2(:,i)); |
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69 |
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70 if (index (ifmt, "boxxy") || index (ifmt, "xyerr")) |
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71 set (h, "xldata", a3(:,i)); |
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72 set (h, "xudata", a3(:,i)); |
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73 set (h, "ldata", a4(:,i)); |
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74 set (h, "udata", a4(:,i)); |
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75 elseif (index (ifmt, "xerr")) |
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76 set (h, "xldata", a3(:,i)); |
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77 set (h, "xudata", a4(:,i)); |
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78 else |
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79 set (h, "ldata", a3(:,i)); |
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80 set (h, "udata", a4(:,i)); |
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81 endif |
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82 case 5 |
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83 error ("error plot requires 2, 3, 4 or 6 columns"); |
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84 case 6 |
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85 set (h, "xdata", a1(:,i)); |
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86 set (h, "ydata", a2(:,i)); |
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87 set (h, "xldata", a3(:,i)); |
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88 set (h, "xudata", a4(:,i)); |
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89 set (h, "ldata", a5(:,i)); |
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90 set (h, "udata", a6(:,i)); |
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91 endswitch |
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92 endfor |
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93 |
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94 endfunction |
