annotate scripts/plot/quiver3.m @ 14363:f3d52523cde1

Use Octave coding conventions in all m-file %!test blocks * wavread.m, acosd.m, acot.m, acotd.m, acoth.m, acsc.m, acscd.m, acsch.m, asec.m, asecd.m, asech.m, asind.m, atand.m, cosd.m, cot.m, cotd.m, coth.m, csc.m, cscd.m, csch.m, sec.m, secd.m, sech.m, sind.m, tand.m, accumarray.m, accumdim.m, bitcmp.m, bitget.m, bitset.m, blkdiag.m, cart2pol.m, cart2sph.m, celldisp.m, chop.m, circshift.m, colon.m, common_size.m, cplxpair.m, cumtrapz.m, curl.m, dblquad.m, deal.m, divergence.m, flipdim.m, fliplr.m, flipud.m, genvarname.m, gradient.m, idivide.m, int2str.m, interp1.m, interp1q.m, interp2.m, interp3.m, interpft.m, interpn.m, isa.m, isdir.m, isequal.m, isequalwithequalnans.m, issquare.m, logspace.m, nargchk.m, narginchk.m, nargoutchk.m, nextpow2.m, nthargout.m, num2str.m, pol2cart.m, polyarea.m, postpad.m, prepad.m, profile.m, profshow.m, quadgk.m, quadv.m, randi.m, rat.m, repmat.m, rot90.m, rotdim.m, shift.m, shiftdim.m, sph2cart.m, structfun.m, trapz.m, triplequad.m, convhull.m, dsearch.m, dsearchn.m, griddata3.m, griddatan.m, rectint.m, tsearchn.m, __makeinfo__.m, doc.m, get_first_help_sentence.m, help.m, type.m, unimplemented.m, which.m, imread.m, imwrite.m, dlmwrite.m, fileread.m, is_valid_file_id.m, strread.m, textread.m, textscan.m, commutation_matrix.m, cond.m, condest.m, cross.m, duplication_matrix.m, expm.m, housh.m, isdefinite.m, ishermitian.m, issymmetric.m, logm.m, normest.m, null.m, onenormest.m, orth.m, planerot.m, qzhess.m, rank.m, rref.m, trace.m, vech.m, ans.m, bincoeff.m, bug_report.m, bzip2.m, comma.m, compare_versions.m, computer.m, edit.m, fileparts.m, fullfile.m, getfield.m, gzip.m, info.m, inputname.m, isappdata.m, isdeployed.m, ismac.m, ispc.m, isunix.m, list_primes.m, ls.m, mexext.m, namelengthmax.m, news.m, orderfields.m, paren.m, recycle.m, rmappdata.m, semicolon.m, setappdata.m, setfield.m, substruct.m, symvar.m, ver.m, version.m, warning_ids.m, xor.m, fminbnd.m, fsolve.m, fzero.m, lsqnonneg.m, optimset.m, pqpnonneg.m, sqp.m, matlabroot.m, __gnuplot_drawnow__.m, __plt_get_axis_arg__.m, ancestor.m, cla.m, clf.m, close.m, colorbar.m, colstyle.m, comet3.m, contourc.m, figure.m, gca.m, gcbf.m, gcbo.m, gcf.m, ginput.m, graphics_toolkit.m, gtext.m, hggroup.m, hist.m, hold.m, isfigure.m, ishghandle.m, ishold.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m, line.m, loglog.m, loglogerr.m, meshgrid.m, ndgrid.m, newplot.m, orient.m, patch.m, plot3.m, plotyy.m, __print_parse_opts__.m, quiver3.m, refreshdata.m, ribbon.m, semilogx.m, semilogxerr.m, semilogy.m, stem.m, stem3.m, subplot.m, title.m, uigetfile.m, view.m, whitebg.m, compan.m, conv.m, deconv.m, mkpp.m, mpoles.m, pchip.m, poly.m, polyaffine.m, polyder.m, polyfit.m, polygcd.m, polyint.m, polyout.m, polyval.m, polyvalm.m, ppder.m, ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, intersect.m, ismember.m, powerset.m, setdiff.m, setxor.m, union.m, unique.m, autoreg_matrix.m, bartlett.m, blackman.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, freqz.m, hamming.m, hanning.m, ifftshift.m, sinc.m, sinetone.m, sinewave.m, unwrap.m, bicg.m, bicgstab.m, gmres.m, gplot.m, nonzeros.m, pcg.m, pcr.m, spaugment.m, spconvert.m, spdiags.m, speye.m, spfun.m, spones.m, sprand.m, sprandsym.m, spstats.m, spy.m, svds.m, treelayout.m, bessel.m, beta.m, betaln.m, factor.m, factorial.m, isprime.m, lcm.m, legendre.m, nchoosek.m, nthroot.m, perms.m, pow2.m, primes.m, reallog.m, realpow.m, realsqrt.m, hadamard.m, hankel.m, hilb.m, invhilb.m, magic.m, rosser.m, vander.m, __finish__.m, center.m, cloglog.m, corr.m, cov.m, gls.m, histc.m, iqr.m, kendall.m, kurtosis.m, logit.m, mahalanobis.m, mean.m, meansq.m, median.m, mode.m, moment.m, ols.m, ppplot.m, prctile.m, probit.m, quantile.m, range.m, ranks.m, run_count.m, runlength.m, skewness.m, spearman.m, statistics.m, std.m, table.m, var.m, zscore.m, betacdf.m, betainv.m, betapdf.m, betarnd.m, binocdf.m, binoinv.m, binopdf.m, binornd.m, cauchy_cdf.m, cauchy_inv.m, cauchy_pdf.m, cauchy_rnd.m, chi2cdf.m, chi2inv.m, chi2pdf.m, chi2rnd.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, discrete_rnd.m, empirical_cdf.m, empirical_inv.m, empirical_pdf.m, empirical_rnd.m, expcdf.m, expinv.m, exppdf.m, exprnd.m, fcdf.m, finv.m, fpdf.m, frnd.m, gamcdf.m, gaminv.m, gampdf.m, gamrnd.m, geocdf.m, geoinv.m, geopdf.m, geornd.m, hygecdf.m, hygeinv.m, hygepdf.m, hygernd.m, kolmogorov_smirnov_cdf.m, laplace_cdf.m, laplace_inv.m, laplace_pdf.m, laplace_rnd.m, logistic_cdf.m, logistic_inv.m, logistic_pdf.m, logistic_rnd.m, logncdf.m, logninv.m, lognpdf.m, lognrnd.m, nbincdf.m, nbininv.m, nbinpdf.m, nbinrnd.m, normcdf.m, norminv.m, normpdf.m, normrnd.m, poisscdf.m, poissinv.m, poisspdf.m, poissrnd.m, stdnormal_cdf.m, stdnormal_inv.m, stdnormal_pdf.m, stdnormal_rnd.m, tcdf.m, tinv.m, tpdf.m, trnd.m, unidcdf.m, unidinv.m, unidpdf.m, unidrnd.m, unifcdf.m, unifinv.m, unifpdf.m, unifrnd.m, wblcdf.m, wblinv.m, wblpdf.m, wblrnd.m, kolmogorov_smirnov_test.m, kruskal_wallis_test.m, base2dec.m, bin2dec.m, blanks.m, cstrcat.m, deblank.m, dec2base.m, dec2bin.m, dec2hex.m, findstr.m, hex2dec.m, index.m, isletter.m, mat2str.m, rindex.m, str2num.m, strcat.m, strjust.m, strmatch.m, strsplit.m, strtok.m, strtrim.m, strtrunc.m, substr.m, validatestring.m, demo.m, example.m, fail.m, speed.m, addtodate.m, asctime.m, clock.m, ctime.m, date.m, datenum.m, datetick.m, datevec.m, eomday.m, etime.m, is_leap_year.m, now.m: Use Octave coding conventions in all m-file %!test blocks
author Rik <octave@nomad.inbox5.com>
date Mon, 13 Feb 2012 07:29:44 -0800
parents 7277fe922e99
children 5d3a684236b0
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rev   line source
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1 ## Copyright (C) 2007-2012 David Bateman
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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
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} quiver3 (@var{u}, @var{v}, @var{w})
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21 ## @deftypefnx {Function File} {} quiver3 (@var{x}, @var{y}, @var{z}, @var{u}, @var{v}, @var{w})
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22 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{s})
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23 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{style})
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24 ## @deftypefnx {Function File} {} quiver3 (@dots{}, "filled")
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25 ## @deftypefnx {Function File} {} quiver3 (@var{h}, @dots{})
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26 ## @deftypefnx {Function File} {@var{h} =} quiver3 (@dots{})
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27 ##
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28 ## Plot the @code{(@var{u}, @var{v}, @var{w})} components of a vector field in
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29 ## an @code{(@var{x}, @var{y}), @var{z}} meshgrid. If the grid is uniform, you
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30 ## can specify @var{x}, @var{y} @var{z} as vectors.
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31 ##
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32 ## If @var{x}, @var{y} and @var{z} are undefined they are assumed to be
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33 ## @code{(1:@var{m}, 1:@var{n}, 1:@var{p})} where @code{[@var{m}, @var{n}] =
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34 ## size(@var{u})} and @code{@var{p} = max (size (@var{w}))}.
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35 ##
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36 ## The variable @var{s} is a scalar defining a scaling factor to use for
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37 ## the arrows of the field relative to the mesh spacing. A value of 0
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38 ## disables all scaling. The default value is 1.
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39 ##
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40 ## The style to use for the plot can be defined with a line style @var{style}
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41 ## in a similar manner to the line styles used with the @code{plot} command.
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42 ## If a marker is specified then markers at the grid points of the vectors are
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43 ## printed rather than arrows. If the argument "filled" is given then the
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44 ## markers as filled.
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45 ##
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46 ## The optional return value @var{h} is a graphics handle to a quiver object.
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47 ## A quiver object regroups the components of the quiver plot (body, arrow,
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48 ## and marker), and allows them to be changed together.
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49 ##
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50 ## @example
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51 ## @group
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52 ## [x, y, z] = peaks (25);
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53 ## surf (x, y, z);
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54 ## hold on;
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55 ## [u, v, w] = surfnorm (x, y, z / 10);
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56 ## h = quiver3 (x, y, z, u, v, w);
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57 ## set (h, "maxheadsize", 0.33);
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58 ## @end group
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59 ## @end example
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60 ##
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61 ## @seealso{plot}
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62 ## @end deftypefn
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63
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64 function retval = quiver3 (varargin)
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65
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66 [h, varargin, nargin] = __plt_get_axis_arg__ ("quiver3", varargin{:});
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67
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68 if (nargin < 2)
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69 print_usage ();
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70 else
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71 oldh = gca ();
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72 unwind_protect
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73 axes (h);
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74 newplot ();
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75 tmp = __quiver__ (h, 1, varargin{:});
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76 unwind_protect_cleanup
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77 axes (oldh);
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78 end_unwind_protect
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79 endif
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80
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81 if (nargout > 0)
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82 retval = tmp;
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83 endif
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84
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85 endfunction
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86
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87
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88 %!demo
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89 %! clf;
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90 %! colormap ('default');
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91 %! [x,y] = meshgrid (-1:0.1:1);
14237
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
92 %! z = sin (2*pi * sqrt (x.^2 + y.^2));
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
93 %! theta = 2*pi * sqrt (x.^2 + y.^2) + pi/2;
14001
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
94 %! quiver3 (x, y, z, sin (theta), cos (theta), ones (size (z)));
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
95 %! hold on;
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14359
diff changeset
96 %! mesh (x, y, z);
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents:
diff changeset
97 %! hold off;
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
98
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
99 %!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
100 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
101 %! colormap ('default');
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
102 %! [x, y, z] = peaks (25);
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
103 %! surf (x, y, z);
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
104 %! hold on;
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7215
diff changeset
105 %! [u, v, w] = surfnorm (x, y, z / 10);
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
106 %! h = quiver3 (x, y, z, u, v, w);
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
107 %! set (h, 'maxheadsize', 0.33);
8253
873ea2c72f16 quiver3.m: turn hold off after demo
John W. Eaton <jwe@octave.org>
parents: 8056
diff changeset
108 %! hold off;
8889
665b264b6a50 Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents: 8253
diff changeset
109
665b264b6a50 Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents: 8253
diff changeset
110 %!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
111 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
112 %! colormap ('default');
14092
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
113 %! [x, y, z] = peaks (25);
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
114 %! surf (x, y, z);
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
115 %! hold on;
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
116 %! [u, v, w] = surfnorm (x, y, z / 10);
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
117 %! h = quiver3 (x, y, z, u, v, w);
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
118 %! set (h, 'maxheadsize', 0.33);
14092
22c50cbad2ce Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents: 14001
diff changeset
119 %! hold off;
14237
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
120 %! shading interp;
8889
665b264b6a50 Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents: 8253
diff changeset
121