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

annotate scripts/plot/surfl.m @ 14868:5d3a684236b0

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	ce2b59a6d0e5
children	022dba56de1e

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14092 diff changeset	1 ## Copyright (C) 2009-2012 Kai Habel
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	2 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	3 ## This file is part of Octave.
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	4 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	8 ## your option) any later version.
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	9 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	13 ## General Public License for more details.
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	14 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	16 ## along with Octave; see the file COPYING. If not, see
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	17 ## <http://www.gnu.org/licenses/>.
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	18
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	19 ## -- texinfo --
10793 be55736a0783 Grammarcheck the documentation from m-files. Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	20 ## @deftypefn {Function File} {} surfl (@var{x}, @var{y}, @var{z})
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	21 ## @deftypefnx {Function File} {} surfl (@var{z})
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	22 ## @deftypefnx {Function File} {} surfl (@var{x}, @var{y}, @var{z}, @var{L})
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	23 ## @deftypefnx {Function File} {} surfl (@var{x}, @var{y}, @var{z}, @var{L}, @var{P})
11563 3c6e8aaa9555 Grammarcheck m-files before 3.4 release. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	24 ## @deftypefnx {Function File} {} surfl (@dots{}, "light")
10793 be55736a0783 Grammarcheck the documentation from m-files. Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	25 ## Plot a lighted surface given matrices @var{x}, and @var{y} from
14248 48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	26 ## @code{meshgrid} and a matrix @var{z} corresponding to the @var{x} and
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	27 ## @var{y} coordinates of the mesh. If @var{x} and @var{y} are vectors, then
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	28 ## a typical vertex is (@var{x}(j), @var{y}(i), @var{z}(i,j)). Thus, columns
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	29 ## of @var{z} correspond to different @var{x} values and rows of @var{z}
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	30 ## correspond to different @var{y} values.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	31 ##
14248 48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	32 ## The light direction can be specified using @var{L}. It can be given as a
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	33 ## 2-element vector [azimuth, elevation] in degrees or as a 3-element vector
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	34 ## [lx, ly, lz]. The default value is rotated 45 degrees counterclockwise
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	35 ## from the current view.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	36 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	37 ## The material properties of the surface can specified using a 4-element vector
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	38 ## @var{P} = [@var{AM} @var{D} @var{SP} @var{exp}] which defaults to
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11563 diff changeset	39 ## @var{p} = [0.55 0.6 0.4 10].
14248 48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	40 ##
11595 5ec6aa05638d Prevent doubled quotes around @table items in Info. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	41 ## @table @asis
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	42 ## @item "AM" strength of ambient light
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	43 ##
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	44 ## @item "D" strength of diffuse reflection
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	45 ##
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	46 ## @item "SP" strength of specular reflection
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	47 ##
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	48 ## @item "EXP" specular exponent
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	49 ## @end table
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11563 diff changeset	50 ##
10793 be55736a0783 Grammarcheck the documentation from m-files. Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	51 ## The default lighting mode "cdata", changes the cdata property to give the
14248 48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	52 ## impression of a lighted surface. Please note: the alternative "light"
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	53 ## mode, which creates a light object to illuminate the surface is not
48cb466f1418 surfl.m: Update docstring. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	54 ## implemented (yet).
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	55 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	56 ## Example:
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	57 ##
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	58 ## @example
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 9040 diff changeset	59 ## @group
14327 4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	60 ## colormap (bone (64));
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	61 ## surfl (peaks);
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	62 ## shading interp;
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 9040 diff changeset	63 ## @end group
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	64 ## @end example
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	65 ## @seealso{surf, diffuse, specular, surface}
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	66 ## @end deftypefn
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	67
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	68 ## Author: Kai Habel <kai.habel@gmx.de>
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	69
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	70 function retval = surfl (varargin)
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	71
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	72 [h, varargin] = __plt_get_axis_arg__ ("surfl", varargin{:});
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	73
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	74 oldh = gca ();
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	75 unwind_protect
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	76 axes (h);
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	77 newplot ();
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	78
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	79 ## Check for lighting type.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	80 use_cdata = true;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	81 if (ischar (varargin{end}))
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	82 lstr = tolower (varargin{end});
f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	83 if (strncmp (lstr, "light", 5))
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	84 warning ("light method not supported (yet), using cdata method instead");
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	85 ## This can be implemented when light objects are supported.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	86 use_cdata = false;
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	87 elseif (strncmp (lstr, "cdata", 5))
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	88 use_cdata = true;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	89 else
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	90 error ("surfl: unknown lighting method");
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	91 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	92 varargin(end) = [];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	93 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	94
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	95 ## Check for reflection properties argument.
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	96 ##
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	97 ## r = [ambient light strength,
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	98 ## diffuse reflection strength,
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	99 ## specular reflection strength,
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11563 diff changeset	100 ## specular shine]
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	101 if (length (varargin{end}) == 4 && isnumeric (varargin{end}))
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	102 r = varargin{end};
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	103 varargin(end) = [];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	104 else
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	105 ## Default values.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	106 r = [0.55, 0.6, 0.4, 10];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	107 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	108
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	109 ## Check for light vector (lv) argument.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	110 have_lv = false;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	111 if (isnumeric (varargin{end}))
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	112 len = numel (varargin{end});
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	113 lastarg = varargin{end};
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	114 if (len == 3)
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	115 lv = lastarg;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	116 varargin(end) = [];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	117 have_lv = true;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	118 elseif (len == 2)
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	119 [lv(1), lv(2), lv(3)] = sph2cart ((lastarg(1) - 90) * pi/180, lastarg(2) * pi/180, 1.0);
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	120 varargin(end) = [];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	121 have_lv = true;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	122 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	123 endif
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11563 diff changeset	124
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	125 htmp = surface (varargin{:});
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	126 if (! ishold ())
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	127 set (h, "view", [-37.5, 30],
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10226 diff changeset	128 "xgrid", "on", "ygrid", "on", "zgrid", "on", "clim", [0 1]);
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	129 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	130
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	131 ## Get view vector (vv).
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	132 a = axis;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	133 [az, el] = view;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	134 [vv(1), vv(2), vv(3)] = sph2cart ((az - 90) * pi/180.0, el * pi/180.0, 1.0);
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	135 vv /= norm (vv);
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	136
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	137 if (!have_lv)
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	138 ## Calculate light vector (lv) from view vector.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	139 Phi = 45.0 / 180.0 * pi;
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	140 R = [cos(Phi), -sin(Phi), 0;
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	141 sin(Phi), cos(Phi), 0;
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	142 0, 0, 1];
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	143 lv = (R * vv.').';
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	144 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	145
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	146 vn = get (htmp, "vertexnormals");
10226 2884758e265b Replace dataaspectratio props with plotboxaspectratio props. Ben Abbott <bpabbott@mac.com> parents: 9051 diff changeset	147 dar = get (h, "plotboxaspectratio");
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	148 vn(:,:,1) *= dar(1);
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	149 vn(:,:,2) *= dar(2);
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	150 vn(:,:,3) *= dar(3);
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	151
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	152 ## Normalize vn.
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	153 vn = vn ./ repmat (sqrt (sumsq (vn, 3)), [1, 1, 3]);
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14335 diff changeset	154 [nr, nc] = size (get (htmp, "zdata"));
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	155
8460 e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	156 ## Ambient, diffuse, and specular term.
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	157 cdata = (r(1) * ones (nr, nc)
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	158 + r(2) * diffuse (vn(:,:,1), vn(:,:,2), vn(:,:,3), lv)
e4c9ecb64411 diffuse.m, specular.m, surfl.m: style fixes John W. Eaton <jwe@octave.org> parents: 8450 diff changeset	159 + r(3) * specular (vn(:,:,1), vn(:,:,2), vn(:,:,3), lv, vv, r(4)));
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	160
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	161 set (htmp, "cdata", cdata ./ sum (r(1:3)));
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11563 diff changeset	162
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	163 unwind_protect_cleanup
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	164 axes (oldh);
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	165 end_unwind_protect
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	166
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	167 if (nargout > 0)
14225 f0d903879eaa Replace unnecessary strcmpi calls with strcmp. Rik <octave@nomad.inbox5.com> parents: 14223 diff changeset	168 retval = htmp;
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	169 endif
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	170
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	171 endfunction
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	172
14223 ba7a26030214 Use Octave spacing convention in %!test blocks of surface plot functions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	173
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	174 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	175 %! clf;
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	176 %! [X,Y,Z] = sombrero ();
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	177 %! colormap (copper (64));
14223 ba7a26030214 Use Octave spacing convention in %!test blocks of surface plot functions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	178 %! surfl (X,Y,Z);
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	179 %! shading interp;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	180
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	181 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	182 %! clf;
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	183 %! [X,Y,Z] = sombrero ();
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	184 %! colormap (copper (64));
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14225 diff changeset	185 %! [az, el] = view ();
14223 ba7a26030214 Use Octave spacing convention in %!test blocks of surface plot functions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	186 %! surfl (X,Y,Z, [az+225,el], [0.2 0.6 0.4 25]);
8450 6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	187 %! shading interp;
6c4e2fc14beb Add new 3D plotting function surfl. Add light functions diffuse and specular Kai Habel parents: diff changeset	188

Mercurial > hg > octave-lyh

annotate scripts/plot/surfl.m @ 14868:5d3a684236b0