Mercurial > octave-nkf
view scripts/plot/draw/polar.m @ 17572:7bb76a22cde1
maint: Split scripts/plot directory into 4 pieces.
scripts/gui : user-interface functions
scripts/plot/appearance : functions controlling plot appearance
scripts/plot/draw : plotting functions which produce graphs
scripts/plot/util : low-level plotting functions and utilities.
* scripts/gui/guidata.m, scripts/gui/guihandles.m, scripts/gui/module.mk,
scripts/gui/private/__file_filter__.m,
scripts/gui/private/__fltk_file_filter__.m,
scripts/gui/private/__is_function__.m, scripts/gui/private/__uigetdir_fltk__.m,
scripts/gui/private/__uigetfile_fltk__.m,
scripts/gui/private/__uiobject_split_args__.m,
scripts/gui/private/__uiputfile_fltk__.m, scripts/gui/uicontextmenu.m,
scripts/gui/uicontrol.m, scripts/gui/uigetdir.m, scripts/gui/uigetfile.m,
scripts/gui/uimenu.m, scripts/gui/uipanel.m, scripts/gui/uipushtool.m,
scripts/gui/uiputfile.m, scripts/gui/uiresume.m, scripts/gui/uitoggletool.m,
scripts/gui/uitoolbar.m, scripts/gui/uiwait.m, scripts/gui/waitbar.m,
scripts/gui/waitforbuttonpress.m: Moved from scripts/plot to scripts/gui
* scripts/plot/appearance/__clabel__.m,
scripts/plot/appearance/__getlegenddata__.m, scripts/plot/appearance/axis.m,
scripts/plot/appearance/box.m, scripts/plot/appearance/caxis.m,
scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m,
scripts/plot/appearance/diffuse.m, scripts/plot/appearance/grid.m,
scripts/plot/appearance/gtext.m, scripts/plot/appearance/hidden.m,
scripts/plot/appearance/legend.m,
scripts/plot/appearance/orient.m, scripts/plot/appearance/pbaspect.m,
scripts/plot/appearance/private/__axis_label__.m,
scripts/plot/appearance/private/__axis_limits__.m,
scripts/plot/appearance/shading.m, scripts/plot/appearance/specular.m,
scripts/plot/appearance/text.m, scripts/plot/appearance/title.m,
scripts/plot/appearance/view.m, scripts/plot/appearance/whitebg.m,
scripts/plot/appearance/xlabel.m, scripts/plot/appearance/xlim.m,
scripts/plot/appearance/ylabel.m, scripts/plot/appearance/ylim.m,
scripts/plot/appearance/zlabel.m, scripts/plot/appearance/zlim.m:
Moved from scripts/plot to subdir appearance.
* scripts/plot/draw/area.m, scripts/plot/draw/bar.m, scripts/plot/draw/barh.m,
scripts/plot/draw/colorbar.m, scripts/plot/draw/comet.m,
scripts/plot/draw/comet3.m, scripts/plot/draw/compass.m,
scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m,
scripts/plot/draw/contourc.m, scripts/plot/draw/contourf.m,
scripts/plot/draw/cylinder.m, scripts/plot/draw/ellipsoid.m,
scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m,
scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m,
scripts/plot/draw/ezmeshc.m, scripts/plot/draw/ezplot.m,
scripts/plot/draw/ezplot3.m, scripts/plot/draw/ezpolar.m,
scripts/plot/draw/ezsurf.m, scripts/plot/draw/ezsurfc.m,
scripts/plot/draw/feather.m, scripts/plot/draw/fill.m,
scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m,
scripts/plot/draw/isocolors.m, scripts/plot/draw/isonormals.m,
scripts/plot/draw/isosurface.m, scripts/plot/draw/line.m,
scripts/plot/draw/loglog.m, scripts/plot/draw/loglogerr.m,
scripts/plot/draw/mesh.m, scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m,
scripts/plot/draw/pareto.m,
scripts/plot/draw/patch.m, scripts/plot/draw/pcolor.m,
scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m, scripts/plot/draw/pie3.m,
scripts/plot/draw/plot.m, scripts/plot/draw/plot3.m,
scripts/plot/draw/plotmatrix.m, scripts/plot/draw/plotyy.m,
scripts/plot/draw/polar.m, scripts/plot/draw/private/__add_datasource__.m,
scripts/plot/draw/private/__bar__.m, scripts/plot/draw/private/__contour__.m,
scripts/plot/draw/private/__errcomm__.m,
scripts/plot/draw/private/__errplot__.m,
scripts/plot/draw/private/__ezplot__.m,
scripts/plot/draw/private/__interp_cube__.m,
scripts/plot/draw/private/__line__.m,
scripts/plot/draw/private/__marching_cube__.m,
scripts/plot/draw/private/__patch__.m, scripts/plot/draw/private/__pie__.m,
scripts/plot/draw/private/__plt__.m, scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m, scripts/plot/draw/private/__stem__.m,
scripts/plot/draw/quiver.m, scripts/plot/draw/quiver3.m,
scripts/plot/draw/rectangle.m, scripts/plot/draw/ribbon.m,
scripts/plot/draw/rose.m, scripts/plot/draw/scatter.m,
scripts/plot/draw/scatter3.m, scripts/plot/draw/semilogx.m,
scripts/plot/draw/semilogxerr.m, scripts/plot/draw/semilogy.m,
scripts/plot/draw/semilogyerr.m, scripts/plot/draw/shrinkfaces.m,
scripts/plot/draw/slice.m, scripts/plot/draw/sombrero.m,
scripts/plot/draw/sphere.m, scripts/plot/draw/stairs.m,
scripts/plot/draw/stem.m, scripts/plot/draw/stem3.m,
scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m,
scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m,
scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m,
scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m,
scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m,
scripts/plot/draw/waterfall.m: Moved from plot/ to subdir draw.
* scripts/plot/util/__actual_axis_position__.m,
scripts/plot/util/__default_plot_options__.m,
scripts/plot/util/__gnuplot_drawnow__.m,
scripts/plot/util/__next_line_color__.m,
scripts/plot/util/__next_line_style__.m,
scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/__pltopt__.m,
scripts/plot/util/allchild.m, scripts/plot/util/ancestor.m,
scripts/plot/util/axes.m, scripts/plot/util/cla.m, scripts/plot/util/clf.m,
scripts/plot/util/close.m, scripts/plot/util/closereq.m,
scripts/plot/util/colstyle.m, scripts/plot/util/copyobj.m,
scripts/plot/util/figure.m, scripts/plot/util/findall.m,
scripts/plot/util/findfigs.m, scripts/plot/util/findobj.m,
scripts/plot/util/gca.m, scripts/plot/util/gcbf.m, scripts/plot/util/gcbo.m,
scripts/plot/util/gcf.m, scripts/plot/util/gco.m, scripts/plot/util/ginput.m,
scripts/plot/util/gnuplot_binary.in, scripts/plot/util/graphics_toolkit.m,
scripts/plot/util/hdl2struct.m, scripts/plot/util/hggroup.m,
scripts/plot/util/hold.m, scripts/plot/util/isaxes.m,
scripts/plot/util/isfigure.m, scripts/plot/util/ishghandle.m,
scripts/plot/util/ishold.m, scripts/plot/util/isprop.m,
scripts/plot/util/linkprop.m, scripts/plot/util/meshgrid.m,
scripts/plot/util/ndgrid.m,
scripts/plot/util/newplot.m, scripts/plot/util/print.m,
scripts/plot/util/printd.m, scripts/plot/util/private/__add_default_menu__.m,
scripts/plot/util/private/__fltk_ginput__.m,
scripts/plot/util/private/__fltk_print__.m,
scripts/plot/util/private/__ghostscript__.m,
scripts/plot/util/private/__gnuplot_get_var__.m,
scripts/plot/util/private/__gnuplot_ginput__.m,
scripts/plot/util/private/__gnuplot_has_feature__.m,
scripts/plot/util/private/__gnuplot_has_terminal__.m,
scripts/plot/util/private/__gnuplot_open_stream__.m,
scripts/plot/util/private/__gnuplot_print__.m,
scripts/plot/util/private/__gnuplot_version__.m,
scripts/plot/util/private/__go_draw_axes__.m,
scripts/plot/util/private/__go_draw_figure__.m,
scripts/plot/util/private/__print_parse_opts__.m,
scripts/plot/util/private/__tight_eps_bbox__.m, scripts/plot/util/refresh.m,
scripts/plot/util/refreshdata.m, scripts/plot/util/saveas.m,
scripts/plot/util/shg.m, scripts/plot/util/struct2hdl.m,
scripts/plot/util/subplot.m: Moved from plot to subdir util.
* etc/HACKING: Updated directory structure info.
* scripts/Makefile.am, scripts/plot/appearance/module.mk,
scripts/plot/draw/module.mk, scripts/plot/util/module.mk:
Added new directories to build system.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 04 Oct 2013 17:09:08 -0700 |
parents | scripts/plot/polar.m@68bcac3c043a |
children | d63878346099 |
line wrap: on
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## Copyright (C) 1993-2012 John W. Eaton ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or (at ## your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}) ## @deftypefnx {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) ## @deftypefnx {Function File} {} polar (@var{cplx}) ## @deftypefnx {Function File} {} polar (@var{cplx}, @var{fmt}) ## @deftypefnx {Function File} {} polar (@var{hax}, @dots{}) ## @deftypefnx {Function File} {@var{h} =} polar (@dots{}) ## Create a 2-D plot from polar coordinates @var{theta} and @var{rho}. ## ## If a single complex input @var{cplx} is given then the real part is used ## for @var{theta} and the imaginary part is used for @var{rho}. ## ## The optional argument @var{fmt} specifies the line format in the same way ## as @code{plot}. ## ## If the first argument @var{hax} is an axes handle, then plot into this axis, ## rather than the current axes returned by @code{gca}. ## ## The optional return value @var{h} is a graphics handle to the created plot. ## ## @seealso{rose, compass, plot} ## @end deftypefn ## Author: jwe function h = polar (varargin) [hax, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:}); if (nargs < 1) print_usage (); endif oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); if (nargs == 3) if (! ischar (varargin{3})) error ("polar: FMT argument must be a string"); endif htmp = __plr2__ (hax, varargin{:}); maxr = max (varargin{2}(:)); elseif (nargs == 2) if (ischar (varargin{2})) htmp = __plr1__ (hax, varargin{:}); if (iscomplex (varargin{1})) maxr = max (imag (varargin{1})(:)); else maxr = max (varargin{1}(:)); endif else fmt = ""; htmp = __plr2__ (hax, varargin{:}, fmt); maxr = max (varargin{2}(:)); endif elseif (nargs == 1) fmt = ""; htmp = __plr1__ (hax, varargin{:}, fmt); if (iscomplex (varargin{1})) maxr = max (imag (varargin{1})(:)); else maxr = max (varargin{1}(:)); endif else print_usage (); endif set (hax, "xlim", [-maxr, maxr], "ylim", [-maxr, maxr], "xaxislocation", "zero", "yaxislocation", "zero", "plotboxaspectratio", [1, 1, 1]); unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect if (nargout > 0) h = htmp; endif endfunction function retval = __plr1__ (h, theta, fmt) theta = theta(:); if (iscomplex (theta)) rho = imag (theta); theta = real (theta); else rho = theta; theta = (1:rows (rho))'; endif retval = __plr2__ (h, theta, rho, fmt); endfunction function retval = __plr2__ (h, theta, rho, fmt) if (ndims (theta) > 2 || ndims (rho) > 2) error ("polar: THETA and RHO must be 2-D objects"); endif theta = real (theta); rho = real (rho); if (isscalar (theta)) if (isscalar (rho)) x = rho * cos (theta); y = rho * sin (theta); retval = __plt__ ("polar", h, x, y, fmt); else error ("polar: Can't plot constant THETA with varying RHO"); endif elseif (isvector (theta)) if (isvector (rho)) if (length (theta) != length (rho)) error ("polar: THETA and RHO vector lengths must match"); endif rho = rho(:); theta = theta(:); x = rho .* cos (theta); y = rho .* sin (theta); retval = __plt__ ("polar", h, x, y, fmt); elseif (ismatrix (rho)) theta = theta(:); t_nr = rows (theta); [r_nr, r_nc] = size (rho); if (t_nr != r_nr) rho = rho'; r_nr = r_nc; endif if (t_nr != r_nr) error ("polar: THETA vector and RHO matrix sizes must match"); endif x = diag (cos (theta)) * rho; y = diag (sin (theta)) * rho; retval = __plt__ ("polar", h, x, y, fmt); else error ("polar: invalid data for plotting"); endif elseif (ismatrix (theta)) if (isvector (rho)) rho = rho(:); r_nr = rows (rho); [t_nr, t_nc] = size (theta); if (r_nr != t_nr) theta = theta'; t_nr = t_nc; endif if (r_nr != t_nr) error ("polar: THETA matrix and RHO vector sizes must match"); endif diag_r = diag (rho); x = diag_r * cos (theta); y = diag_r * sin (theta); retval = __plt__ ("polar", h, x, y, fmt); elseif (ismatrix (rho)) if (! size_equal (rho, theta)) error ("polar: THETA and RHO matrix dimensions must match"); endif x = rho .* cos (theta); y = rho .* sin (theta); retval = __plt__ ("polar", h, x, y, fmt); else error ("polar: invalid data for plotting"); endif else error ("polar: invalid data for plotting"); endif endfunction %!demo %! clf; %! theta = linspace (0,2*pi,1000); %! rho = sin (7*theta); %! polar (theta, rho); %! title ('polar() plot'); %!demo %! clf; %! theta = linspace (0,2*pi,1000); %! cplx = theta + i*sin (7*theta); %! polar (cplx, 'g'); %! title ('polar() plot of complex data'); %!demo %! clf; %! theta = linspace (0,8*pi,1000); %! rho = sin (5/4*theta); %! polar (theta, rho); %! title ('polar() plot');