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1 ## Copyright (C) 1994, 1995, 1996, 1997, 2000, 2005, 2006, 2007 |
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2 ## John W. Eaton |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## Undocumented internal function. |
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21 |
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22 ## Author: jwe |
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23 |
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24 function retval = __plt1__ (h, x1, options, properties) |
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25 |
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26 if (nargin < 2 || nargin > 4) |
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27 print_usage (); |
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28 endif |
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29 |
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30 if (nargin < 3 || isempty (options)) |
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31 options = __default_plot_options__ (); |
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32 endif |
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33 |
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34 if (nargin < 4) |
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35 properties = {}; |
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36 endif |
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37 |
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38 if (! isstruct (options)) |
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39 error ("__plt1__: options must be a struct array"); |
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40 endif |
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41 |
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42 [nr, nc] = size (x1); |
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43 if (nr == 1) |
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44 x1 = x1.'; |
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45 tmp = nr; |
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46 nr = nc; |
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47 nc = tmp; |
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48 endif |
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49 x1_i = imag (x1); |
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50 if (any (any (x1_i))) |
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51 x2 = x1_i; |
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52 x1 = real (x1); |
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53 else |
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54 x2 = x1; |
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55 x1 = (1:nr)'; |
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56 endif |
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57 |
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58 retval = __plt2__ (h, x1, x2, options, properties); |
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59 |
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60 endfunction |
