octave-lyh: scripts/plot/polar.m annotate

annotate scripts/plot/polar.m @ 17072:22fa8c77b92d

polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. * scripts/plot/polar.m: Overhaul to use new __plt_get_axis_arg__. Redo docstring. Simplify calculations to match sizes of rho and theta. Use "polar" in all error() messages. Add %!demo showing complex input. * scripts/plot/rose.m: Overhaul to use new __plt_get_axis_arg__. Redo docstring.

author	Rik <rik@octave.org>
date	Wed, 24 Jul 2013 23:12:46 -0700
parents	64e7bb01fce2
children	eaab03308c0b

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14088 diff changeset	1 ## Copyright (C) 1993-2012 John W. Eaton
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	2 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	3 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	4 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	8 ## your option) any later version.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	9 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	13 ## General Public License for more details.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	14 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	17 ## <http://www.gnu.org/licenses/>.
245 16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe] jwe parents: 4 diff changeset	18
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3063 diff changeset	19 ## -- texinfo --
10730 390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	20 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho})
390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	21 ## @deftypefnx {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt})
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	22 ## @deftypefnx {Function File} {} polar (@var{cplx})
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	23 ## @deftypefnx {Function File} {} polar (@var{cplx}, @var{fmt})
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	24 ## @deftypefnx {Function File} {} polar (@var{hax}, @dots{})
10730 390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	25 ## @deftypefnx {Function File} {@var{h} =} polar (@dots{})
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	26 ## Create a 2-D plot from polar coordinates @var{theta} and @var{rho}.
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	27 ##
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	28 ## If a single complex input @var{cplx} is given then the real part is used
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	29 ## for @var{theta} and the imaginary part is used for @var{rho}.
2311 2b5788792cad [project @ 1996-07-11 20:18:38 by jwe] jwe parents: 2303 diff changeset	30 ##
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	31 ## The optional argument @var{fmt} specifies the line format in the same way
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	32 ## as @code{plot}.
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	33 ##
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	34 ## If the first argument @var{hax} is an axis handle, then plot into this axis,
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	35 ## rather than the current axis handle returned by @code{gca}.
14001 5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 12789 diff changeset	36 ##
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 12789 diff changeset	37 ## The optional return value @var{h} is a graphics handle to the created plot.
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 12789 diff changeset	38 ##
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	39 ## @seealso{rose, compass, plot}
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3063 diff changeset	40 ## @end deftypefn
4 b4df021f796c [project @ 1993-08-08 01:26:08 by jwe] jwe parents: diff changeset	41
2314 949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe] jwe parents: 2313 diff changeset	42 ## Author: jwe
949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe] jwe parents: 2313 diff changeset	43
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	44 function h = polar (varargin)
4 b4df021f796c [project @ 1993-08-08 01:26:08 by jwe] jwe parents: diff changeset	45
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	46 [hax, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:});
7216 5389a52df87b [project @ 2007-11-29 19:07:29 by jwe] jwe parents: 7215 diff changeset	47
10730 390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	48 if (nargs < 1)
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	49 print_usage ();
10730 390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	50 endif
390d93e20531 Plot commands now print usage information without errors Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	51
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	52 oldfig = ifelse (isempty (hax), [], get (0, "currentfigure"));
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	53 unwind_protect
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	54 hax = newplot (hax);
3063 4287b8c06fbf [project @ 1997-06-26 02:36:05 by jwe] jwe parents: 2847 diff changeset	55
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	56 if (nargs == 3)
71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	57 if (! ischar (varargin{3}))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	58 error ("polar: FMT argument must be a string");
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	59 endif
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	60 htmp = __plr2__ (hax, varargin{:});
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	61 maxr = max (varargin{2}(:));
7321 359f464342b3 [project @ 2007-12-18 03:48:03 by jwe] jwe parents: 7216 diff changeset	62 elseif (nargs == 2)
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	63 if (ischar (varargin{2}))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	64 htmp = __plr1__ (hax, varargin{:});
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	65 if (iscomplex (varargin{1}))
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	66 maxr = max (imag (varargin{1})(:));
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	67 else
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	68 maxr = max (varargin{1}(:));
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	69 endif
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	70 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	71 fmt = "";
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	72 htmp = __plr2__ (hax, varargin{:}, fmt);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	73 maxr = max (varargin{2}(:));
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	74 endif
7321 359f464342b3 [project @ 2007-12-18 03:48:03 by jwe] jwe parents: 7216 diff changeset	75 elseif (nargs == 1)
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	76 fmt = "";
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	77 htmp = __plr1__ (hax, varargin{:}, fmt);
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	78 if (iscomplex (varargin{1}))
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14846 diff changeset	79 maxr = max (imag (varargin{1})(:));
7321 359f464342b3 [project @ 2007-12-18 03:48:03 by jwe] jwe parents: 7216 diff changeset	80 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	81 maxr = max (varargin{1}(:));
7321 359f464342b3 [project @ 2007-12-18 03:48:03 by jwe] jwe parents: 7216 diff changeset	82 endif
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	83 else
71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	84 print_usage ();
934 be867ddbe4aa [project @ 1994-11-17 04:23:41 by jwe] jwe parents: 904 diff changeset	85 endif
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	86
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	87 set (hax, "xlim", [-maxr, maxr], "ylim", [-maxr, maxr],
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	88 "xaxislocation", "zero", "yaxislocation", "zero",
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	89 "plotboxaspectratio", [1, 1, 1]);
7321 359f464342b3 [project @ 2007-12-18 03:48:03 by jwe] jwe parents: 7216 diff changeset	90
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	91 unwind_protect_cleanup
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	92 if (! isempty (oldfig))
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	93 set (0, "currentfigure", oldfig);
934 be867ddbe4aa [project @ 1994-11-17 04:23:41 by jwe] jwe parents: 904 diff changeset	94 endif
7207 71c03c7239fb [project @ 2007-11-28 02:19:25 by jwe] jwe parents: 7180 diff changeset	95 end_unwind_protect
6302 a5cd8b77e892 [project @ 2007-02-13 08:08:33 by jwe] jwe parents: 6257 diff changeset	96
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	97 if (nargout > 0)
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	98 h = htmp;
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	99 endif
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	100
4 b4df021f796c [project @ 1993-08-08 01:26:08 by jwe] jwe parents: diff changeset	101 endfunction
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	102
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	103 function retval = __plr1__ (h, theta, fmt)
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	104
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	105 theta = theta(:);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	106 if (iscomplex (theta))
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	107 rho = imag (theta);
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	108 theta = real (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	109 else
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	110 rho = theta;
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	111 theta = (1:rows (rho))';
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	112 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	113
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	114 retval = __plr2__ (h, theta, rho, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	115
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	116 endfunction
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	117
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	118 function retval = __plr2__ (h, theta, rho, fmt)
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	119
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	120 if (ndims (theta) > 2 \|\| ndims (rho) > 2)
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	121 error ("polar: THETA and RHO must be 2-D objects");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	122 endif
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	123 theta = real (theta);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	124 rho = real (rho);
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	125
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	126 if (isscalar (theta))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	127 if (isscalar (rho))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	128 x = rho * cos (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	129 y = rho * sin (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	130 retval = __plt__ ("polar", h, x, y, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	131 else
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	132 error ("polar: Can't plot constant THETA with varying RHO");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	133 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	134 elseif (isvector (theta))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	135 if (isvector (rho))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	136 if (length (theta) != length (rho))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	137 error ("polar: THETA and RHO vector lengths must match");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	138 endif
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	139 rho = rho(:);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	140 theta = theta(:);
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	141 x = rho .* cos (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	142 y = rho .* sin (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	143 retval = __plt__ ("polar", h, x, y, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	144 elseif (ismatrix (rho))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	145 theta = theta(:);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	146 t_nr = rows (theta);
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	147 [r_nr, r_nc] = size (rho);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	148 if (t_nr != r_nr)
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	149 rho = rho';
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	150 r_nr = r_nc;
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	151 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	152 if (t_nr != r_nr)
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	153 error ("polar: THETA vector and RHO matrix sizes must match");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	154 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	155 x = diag (cos (theta)) * rho;
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	156 y = diag (sin (theta)) * rho;
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	157 retval = __plt__ ("polar", h, x, y, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	158 else
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	159 error ("polar: invalid data for plotting");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	160 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	161 elseif (ismatrix (theta))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	162 if (isvector (rho))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	163 rho = rho(:);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	164 r_nr = rows (rho);
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	165 [t_nr, t_nc] = size (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	166 if (r_nr != t_nr)
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	167 theta = theta';
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	168 t_nr = t_nc;
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	169 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	170 if (r_nr != t_nr)
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	171 error ("polar: THETA matrix and RHO vector sizes must match");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	172 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	173 diag_r = diag (rho);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	174 x = diag_r * cos (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	175 y = diag_r * sin (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	176 retval = __plt__ ("polar", h, x, y, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	177 elseif (ismatrix (rho))
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	178 if (! size_equal (rho, theta))
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	179 error ("polar: THETA and RHO matrix dimensions must match");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	180 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	181 x = rho .* cos (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	182 y = rho .* sin (theta);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	183 retval = __plt__ ("polar", h, x, y, fmt);
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	184 else
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	185 error ("polar: invalid data for plotting");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	186 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	187 else
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	188 error ("polar: invalid data for plotting");
9896 1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	189 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	190
1aeb39118764 convert some plot functions to subfunctions or make some them private John W. Eaton <jwe@octave.org> parents: 7321 diff changeset	191 endfunction
12789 482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	192
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	193
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	194 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	195 %! clf;
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	196 %! theta = linspace (0,2*pi,1000);
12789 482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	197 %! rho = sin (7*theta);
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	198 %! polar (theta, rho);
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	199
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	200 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	201 %! clf;
17072 22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	202 %! theta = linspace (0,2*pi,1000);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	203 %! cplx = theta + isin (7theta);
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	204 %! polar (cplx, 'g');
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	205
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	206 %!demo
22fa8c77b92d polar.m, rose.m: Overhaul to use new __plt_get_axis_arg__. Rik <rik@octave.org> parents: 16814 diff changeset	207 %! clf;
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	208 %! theta = linspace (0,10*pi,1000);
12789 482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	209 %! rho = sin (5/4*theta);
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	210 %! polar (theta, rho);
482cc053281b codesprint: Add 2 demos for polar.m Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	211

Mercurial > hg > octave-lyh

annotate scripts/plot/polar.m @ 17072:22fa8c77b92d