Mercurial > hg > octave-max
view scripts/plot/contourf.m @ 14964:5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
* lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m,
colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m,
int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m,
__isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m,
rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m,
inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m,
gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m,
ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m,
compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m,
getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m,
__xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m,
fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m,
copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m,
installed_packages.m, is_architecture_dependent.m, load_package_dirs.m,
print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m,
allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m,
comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m,
fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m,
mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m,
polar.m, print.m, __add_datasource__.m, __add_default_menu__.m,
__axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m,
__errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m,
__ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m,
__go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m,
__stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m,
__uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m,
ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m,
surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m,
mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m,
ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m,
addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m,
arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m,
hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m,
stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m,
__sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m,
treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m,
magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m,
quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m,
bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m,
kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m,
z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m,
strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m,
test.m, now.m: Use Octave coding conventions for cuddling parentheses in
scripts directory.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Tue, 17 Jul 2012 07:08:39 -0700 |
| parents | c4fa5e0b6193 |
| children |
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## Copyright (C) 2007-2012 Kai Habel ## Copyright (C) 2003 Shai Ayal ## ## 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} {[@var{c}, @var{h}] =} contourf (@var{x}, @var{y}, @var{z}, @var{lvl}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{x}, @var{y}, @var{z}, @var{n}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{x}, @var{y}, @var{z}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{z}, @var{n}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{z}, @var{lvl}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{z}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@var{ax}, @dots{}) ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contourf (@dots{}, @var{"property"}, @var{val}) ## Compute and plot filled contours of the matrix @var{z}. ## Parameters @var{x}, @var{y} and @var{n} or @var{lvl} are optional. ## ## The return value @var{c} is a 2xn matrix containing the contour lines ## as described in the help to the contourc function. ## ## The return value @var{h} is handle-vector to the patch objects creating ## the filled contours. ## ## If @var{x} and @var{y} are omitted they are taken as the row/column ## index of @var{z}. @var{n} is a scalar denoting the number of lines ## to compute. Alternatively @var{lvl} is a vector containing the ## contour levels. If only one value (e.g., lvl0) is wanted, set ## @var{lvl} to [lvl0, lvl0]. If both @var{n} or @var{lvl} are omitted ## a default value of 10 contour level is assumed. ## ## If provided, the filled contours are added to the axes object ## @var{ax} instead of the current axis. ## ## The following example plots filled contours of the @code{peaks} ## function. ## ## @example ## @group ## [x, y, z] = peaks (50); ## contourf (x, y, z, -7:9) ## @end group ## @end example ## @seealso{contour, contourc, patch} ## @end deftypefn ## Author: Kai Habel <kai.habel@gmx.de> ## Author: Shai Ayal <shaiay@users.sourceforge.net> function [c, h] = contourf (varargin) [xh, varargin] = __plt_get_axis_arg__ ("contour", varargin{:}); oldh = gca (); unwind_protect axes (xh); newplot (); [ctmp, htmp] = __contour__ (xh, "none", "fill", "on", "linecolor", "black", varargin{:}); unwind_protect_cleanup axes (oldh); end_unwind_protect if (nargout > 0) c = ctmp; h = htmp; endif endfunction %!demo %! clf; %! colormap ('default'); %! [x, y, z] = peaks (50); %! contourf (x, y, z, -7:9); %!demo %! clf; %! colormap ('default'); %! [theta, r] = meshgrid (linspace (0,2*pi,64), linspace (0,1,64)); %! [X, Y] = pol2cart (theta, r); %! Z = sin (2*theta) .* (1-r); %! contourf (X, Y, abs (Z), 10);