|
2847
|
1 ## Copyright (C) 1996, 1997 John W. Eaton |
|
2313
|
2 ## |
|
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
|
7 ## the Free Software Foundation; either version 2, or (at your option) |
|
|
8 ## any later version. |
|
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
|
16 ## along with Octave; see the file COPYING. If not, write to the Free |
|
|
17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
|
|
18 ## 02111-1307, USA. |
|
245
|
19 |
|
3368
|
20 ## -*- texinfo -*- |
|
|
21 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) |
|
|
22 ## Make a two-dimensional plot given polar the coordinates @var{theta} and |
|
|
23 ## @var{rho}. |
|
2311
|
24 ## |
|
|
25 ## The optional third argument specifies the line type. |
|
3368
|
26 ## @end deftypefn |
|
|
27 |
|
2311
|
28 ## See also: plot, semilogx, semilogy, loglog, mesh, contour, bar, |
|
2325
|
29 ## stairs, gplot, gsplot, replot, xlabel, ylabel, title |
|
4
|
30 |
|
2314
|
31 ## Author: jwe |
|
|
32 |
|
2311
|
33 function polar (x1, x2, fmt) |
|
4
|
34 |
|
3063
|
35 ## XXX FIXME XXX -- these plot states should really just be set |
|
|
36 ## temporarily, probably inside an unwind_protect block, but there is |
|
|
37 ## no way to determine their current values. |
|
|
38 |
|
2520
|
39 gset nologscale; |
|
|
40 gset nopolar; |
|
4
|
41 |
|
934
|
42 if (nargin == 3) |
|
|
43 if (isstr (fmt)) |
|
2315
|
44 fmt = __pltopt__ ("polar", fmt); |
|
934
|
45 else |
|
|
46 error ("polar: third argument must be a string"); |
|
|
47 endif |
|
2315
|
48 __plr2__ (x1, x2, fmt); |
|
4
|
49 elseif (nargin == 2) |
|
934
|
50 if (isstr (x2)) |
|
2315
|
51 fmt = __pltopt__ ("polar", x2); |
|
|
52 __plr1__ (x1, fmt); |
|
934
|
53 else |
|
|
54 fmt = ""; |
|
2315
|
55 __plr2__ (x1, x2, fmt); |
|
934
|
56 endif |
|
|
57 elseif (nargin == 1) |
|
|
58 fmt = ""; |
|
2315
|
59 __plr1__ (x1, fmt); |
|
4
|
60 else |
|
934
|
61 usage ("polar (theta, rho, fmt)"); |
|
4
|
62 endif |
|
|
63 |
|
|
64 endfunction |
