Mercurial > hg > octave-lyh
annotate scripts/plot/sphere.m @ 13141:e81ddf9cacd5
maint: untabify and remove trailing whitespace from source files
* bicg.m, gmres.m, pkg.m: Untabify and remove trailing whitespace.
* libcruft/Makefile.am, libcruft/blas-xtra/cdotc3.f,
libcruft/blas-xtra/cmatm3.f, libcruft/blas-xtra/ddot3.f,
libcruft/blas-xtra/dmatm3.f, libcruft/blas-xtra/sdot3.f,
libcruft/blas-xtra/smatm3.f, libcruft/blas-xtra/zdotc3.f,
libcruft/blas-xtra/zmatm3.f, libcruft/lapack-xtra/crsf2csf.f,
libcruft/lapack-xtra/zrsf2csf.f, liboctave/Array.cc,
liboctave/DASPK-opts.in, liboctave/DASRT-opts.in,
liboctave/DASSL-opts.in, liboctave/LSODE-opts.in,
liboctave/Makefile.a,mliboctave/Quad-opts.in,
liboctave/Sparse-perm-op-defs.h,
scripts/Makefile.a,mscripts/deprecated/glpkmex.m,
scripts/general/blkdiag.m, scripts/general/interp1.m,
scripts/general/profshow.m, scripts/general/quadl.m,
scripts/general/triplequad.m, scripts/help/__makeinfo__.m,
scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m,
scripts/linear-algebra/rank.m, scripts/miscellaneous/gzip.m,
scripts/miscellaneous/private/__xzip__.m,
scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m,
scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m,
scripts/plot/cla.m, scripts/plot/clf.m, scripts/plot/findall.m,
scripts/plot/findobj.m, scripts/plot/gca.m, scripts/plot/gcf.m,
scripts/plot/hggroup.m, scripts/plot/isfigure.m,
scripts/plot/ishghandle.m, scripts/plot/legend.m,
scripts/plot/line.m, scripts/plot/loglog.m, scripts/plot/patch.m,
scripts/plot/print.m, scripts/plot/private/__quiver__.m,
scripts/plot/private/__scatter__.m, scripts/plot/rectangle.m,
scripts/plot/semilogx.m, scripts/plot/semilogy.m,
scripts/plot/surface.m, scripts/plot/text.m, scripts/plot/title.m,
scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/whitebg.m,
scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m,
scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m,
scripts/polynomial/mkpp.m, scripts/polynomial/polygcd.m,
scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m,
scripts/polynomial/ppval.m, scripts/set/setxor.m,
scripts/sparse/bicgstab.m, scripts/sparse/cgs.m,
scripts/sparse/spconvert.m, scripts/specfun/nthroot.m,
scripts/strings/strmatch.m, scripts/strings/untabify.m,
scripts/testfun/demo.m, scripts/testfun/example.m,
src/DLD-FUNCTIONS/filter.cc, src/DLD-FUNCTIONS/mgorth.cc,
src/DLD-FUNCTIONS/quadcc.cc, src/DLD-FUNCTIONS/str2double.cc,
src/Makefile.a,msrc/gl-render.cc, src/gl2ps-renderer.cc,
src/graphics.cc, src/octave-config.cc.in, src/octave-config.in,
src/ov-class.h, src/ov-fcn.h, src/profiler.cc, src/profiler.h,
src/pt-binop.cc, src/pt-unop.cc, src/symtab.cc, src/txt-eng-ft.cc:
Remove trailing whitespace.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 15 Sep 2011 12:51:10 -0400 |
| parents | d0b799dafede |
| children | 72c96de7a403 |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 2007-2011 Michael Goffioul |
| 7189 | 2 ## |
| 7224 | 3 ## This file is part of Octave. |
| 7189 | 4 ## |
| 7224 | 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 3 of the License, or (at | |
| 8 ## your option) 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. | |
| 7189 | 14 ## |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7224 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 7189 | 18 |
| 19 ## -*- texinfo -*- | |
|
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20 ## @deftypefn {Function File} {[@var{x}, @var{y}, @var{z}] =} sphere (@var{n}) |
| 7189 | 21 ## @deftypefnx {Function File} {} sphere (@var{h}, @dots{}) |
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22 ## Generate three matrices in @code{meshgrid} format, such that |
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23 ## @code{surf (@var{x}, @var{y}, @var{z})} generates a unit sphere. |
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24 ## The matrices of @code{@var{n}+1}-by-@code{@var{n}+1}. If @var{n} is |
| 7189 | 25 ## omitted then a default value of 20 is assumed. |
| 26 ## | |
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27 ## Called with no return arguments, @code{sphere} call directly |
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28 ## @code{surf (@var{x}, @var{y}, @var{z})}. If an axes handle is passed |
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29 ## as the first argument, the surface is plotted to this set of axes. |
| 7189 | 30 ## @seealso{peaks} |
| 31 ## @end deftypefn | |
| 32 | |
| 7215 | 33 function [xx, yy, zz] = sphere (varargin) |
| 7189 | 34 |
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parents:
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changeset
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35 [h, varargin, nargin] = __plt_get_axis_arg__ ((nargout > 0), "sphere", |
| 10549 | 36 varargin{:}); |
| 7215 | 37 if (nargin > 1) |
| 38 print_usage (); | |
| 7191 | 39 elseif (nargin == 1) |
| 7215 | 40 n = varargin{1}; |
| 7189 | 41 else |
| 7191 | 42 n = 20; |
| 7189 | 43 endif |
| 44 | |
| 45 theta = linspace (0, 2*pi, n+1); | |
| 46 phi = linspace (-pi/2, pi/2, n+1); | |
| 47 [theta,phi] = meshgrid (theta, phi); | |
| 48 | |
| 7191 | 49 x = cos (phi) .* cos (theta); |
| 50 y = cos (phi) .* sin (theta); | |
| 51 z = sin (phi); | |
| 7189 | 52 |
| 53 if (nargout > 0) | |
| 54 xx = x; | |
| 55 yy = y; | |
| 56 zz = z; | |
| 57 else | |
| 7215 | 58 surf (h, x, y, z); |
| 7189 | 59 endif |
| 60 | |
| 61 endfunction |