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1 # Copyright (C) 1993, 1994 John W. Eaton |
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245
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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 the |
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7 # Free Software Foundation; either version 2, or (at your option) any |
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8 # later version. |
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9 # |
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10 # Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # 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, write to the Free |
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17 # Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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18 |
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934
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19 function polar (x1, x2, fmt) |
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4
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20 |
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21 # usage: polar (theta, rho, fmt) |
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22 # |
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23 # Make a 2D plot given polar the coordinates theta and rho. |
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24 # |
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25 # The optional third argument specifies the line type. |
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26 # |
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27 # See also: plot, semilogx, semilogy, loglog, mesh, contour, bar, |
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28 # stairs, gplot, gsplot, replot, xlabel, ylabel, title |
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29 |
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30 set nologscale; |
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31 set nopolar; |
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32 |
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934
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33 if (nargin == 3) |
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34 if (isstr (fmt)) |
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35 fmt = plot_opt ("polar", fmt); |
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36 else |
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37 error ("polar: third argument must be a string"); |
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38 endif |
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39 polar_int_2 (x1, x2, fmt); |
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4
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40 elseif (nargin == 2) |
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934
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41 if (isstr (x2)) |
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42 fmt = plot_opt ("polar", x2); |
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43 polar_int_1 (x1, fmt); |
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44 else |
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45 fmt = ""; |
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46 polar_int_2 (x1, x2, fmt); |
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47 endif |
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48 elseif (nargin == 1) |
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49 fmt = ""; |
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50 polar_int_1 (x1, fmt); |
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51 else |
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52 usage ("polar (theta, rho, fmt)"); |
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53 endif |
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54 |
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55 endfunction |
