Mercurial > octave
annotate scripts/plot/draw/private/__interp_cube__.m @ 27978:a4268efb7334
maint: Eliminate single "Author:" lines from code base.
* color-picker.cc, color-picker.h, octave-qscintilla.cc, octave-qscintilla.h,
octave-txt-lexer.cc, octave-txt-lexer.h, balance.cc, kron.cc, lookup.cc,
ls-hdf5.cc, ls-mat5.cc, ls-oct-text.cc, sylvester.cc, tsearch.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, pt-jit.cc,
pt-jit.h, Array-jit.cc, bsxfun.h, url-transfer.cc, url-transfer.h, acosd.m,
acotd.m, acscd.m, asecd.m, asind.m, atand.m, cosd.m, cotd.m, cscd.m, secd.m,
sind.m, tand.m, cart2pol.m, cart2sph.m, curl.m, del2.m, divergence.m, flip.m,
pol2cart.m, randi.m, sortrows.m, sph2cart.m, griddata3.m, griddatan.m,
rectint.m, voronoi.m, dialog.m, guidata.m, guihandles.m, __file_filter__.m,
__fltk_file_filter__.m, __get_funcname__.m, __is_function__.m,
__uigetdir_fltk__.m, __uigetfile_fltk__.m, __uiobject_split_args__.m,
__uiputfile_fltk__.m, uibuttongroup.m, uicontextmenu.m, uicontrol.m,
uigetdir.m, uigetfile.m, uimenu.m, uipanel.m, uipushtool.m, uiputfile.m,
uiresume.m, uitoggletool.m, uitoolbar.m, uiwait.m, doc.m, autumn.m, bone.m,
cmpermute.m, cmunique.m, cool.m, copper.m, cubehelix.m, flag.m, frame2im.m,
hot.m, hsv.m, hsv2rgb.m, im2frame.m, imfinfo.m, imformats.m, iscolormap.m,
jet.m, pink.m, prism.m, __imfinfo__.m, rainbow.m, rgb2hsv.m, spinmap.m,
spring.m, viridis.m, white.m, winter.m, importdata.m, strmatch.m, bandwidth.m,
isbanded.m, isdiag.m, istril.m, istriu.m, krylov.m, linsolve.m, logm.m,
lscov.m, subspace.m, bunzip2.m, compare_versions.m, edit.m, fullfile.m,
getfield.m, gunzip.m, inputParser.m, license.m, nargchk.m, narginchk.m,
nthargout.m, python.m, setfield.m, tar.m, unpack.m, ver.m, zip.m, odeplot.m,
fminbnd.m, fminunc.m, fsolve.m, fzero.m, glpk.m, humps.m, pathdef.m,
savepath.m, diffuse.m, lighting.m, material.m, shading.m, specular.m,
contour.m, ellipsoid.m, isocaps.m, isocolors.m, isonormals.m, isosurface.m,
light.m, pcolor.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__stem__.m, reducepatch.m, reducevolume.m, ribbon.m, shrinkfaces.m, slice.m,
stem.m, surf.m, surfl.m, tetramesh.m, waterfall.m, __actual_axis_position__.m,
__next_line_color__.m, allchild.m, figure.m, findall.m, findobj.m, gcf.m,
hggroup.m, isprop.m, ndgrid.m, __add_default_menu__.m, saveas.m,
__splinefit__.m, prefdir.m, preferences.m, profexplore.m, profexport.m,
profile.m, profshow.m, setdiff.m, freqz.m, freqz_plot.m, sinc.m, unwrap.m,
pcr.m, qmr.m, sprandn.m, betaincinv.m, cosint.m, ellipke.m, factor.m,
gammaincinv.m, legendre.m, nchoosek.m, primes.m, invhilb.m, toeplitz.m,
erase.m, mat2str.m, strtrim.m, validatestring.m, fail.m, compare_plot_demos.m,
dump_demos.m, html_compare_plot_demos.m, addtodate.m, datenum.m, jit.tst:
Eliminate single "Author:" lines from code base.
author | Rik <rik@octave.org> |
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date | Tue, 21 Jan 2020 12:53:13 -0800 |
parents | bd51beb6205e |
children | 0a5b15007766 |
rev | line source |
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1 ######################################################################## |
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2 ## |
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3 ## Copyright (C) 2009-2020 The Octave Project Developers |
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4 ## |
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5 ## See the file COPYRIGHT.md in the top-level directory of this |
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6 ## distribution or <https://octave.org/copyright/>. |
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7 ## |
11104 | 8 ## This file is part of Octave. |
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9 ## |
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10 ## Octave is free software: you can redistribute it and/or modify it |
11104 | 11 ## under the terms of the GNU General Public License as published by |
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12 ## the Free Software Foundation, either version 3 of the License, or |
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13 ## (at your option) any later version. |
11104 | 14 ## |
15 ## Octave is distributed in the hope that it will be useful, but | |
16 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 ## GNU General Public License for more details. |
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19 ## |
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20 ## You should have received a copy of the GNU General Public License |
11104 | 21 ## along with Octave; see the file COPYING. If not, see |
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22 ## <https://www.gnu.org/licenses/>. |
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23 ## |
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24 ######################################################################## |
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25 ## |
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26 ## -*- texinfo -*- |
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27 ## @deftypefn {} {[@var{vxyz}, @var{idx}, @var{frac}] =} __interp_cube__ (@var{caller}, @var{x}, @var{y}, @var{z}, @var{val}, @var{v}, @var{req}) |
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28 ## Undocumented internal function. |
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29 ## @end deftypefn |
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30 |
22786 | 31 function [Vxyz, idx, frac] = __interp_cube__ (caller, x, y, z, val, v, |
32 req = "values") | |
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33 |
22786 | 34 if (isnumeric (x) && ndims (x) == 3 && isnumeric (y) && isnumeric (z) |
35 && size_equal (x, y, z, val)) | |
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36 x = squeeze (x(1,:,1))(:); |
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37 y = squeeze (y(:,1,1))(:); |
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38 z = squeeze (z(1,1,:))(:); |
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39 elseif (isvector (x) && isvector (y) && isvector (z)) |
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40 x = x(:); |
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41 y = y(:); |
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42 z = z(:); |
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43 else |
22786 | 44 error ([caller ": X, Y, Z have unequal dimensions"]); |
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45 endif |
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46 |
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47 if (size (val) != [length(x), length(y), length(z)]) |
22786 | 48 error ([caller ": VAL dimensions must match those of X, Y, and Z"]); |
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49 endif |
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50 if (columns (v) != 3) |
22786 | 51 error ([caller ": V must be an Nx3 matrix"]); |
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52 endif |
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53 |
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54 if (isempty (v)) |
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55 Vxyz = idx = frac = []; |
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56 return; |
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57 endif |
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58 |
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59 switch (req) |
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60 case "normals" |
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61 [idx, frac] = cube_idx (x, y, z, v); |
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62 |
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63 dx = x(2:end) - x(1:end-1); |
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64 dy = y(2:end) - y(1:end-1); |
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65 dz = z(2:end) - z(1:end-1); |
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66 dx = 0.5 .* [dx;dx(end)](idx(:,2)); |
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67 dy = 0.5 .* [dy;dy(end)](idx(:,1)); |
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68 dz = 0.5 .* [dz;dz(end)](idx(:,3)); |
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69 |
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70 p000 = [v(:, 1) - dx, v(:, 2) - dy, v(:, 3) - dz]; |
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71 p100 = [v(:, 1) + dx, v(:, 2) - dy, v(:, 3) - dz]; |
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72 p010 = [v(:, 1) - dx, v(:, 2) + dy, v(:, 3) - dz]; |
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73 p001 = [v(:, 1) - dx, v(:, 2) - dy, v(:, 3) + dz]; |
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74 p011 = [v(:, 1) - dx, v(:, 2) + dy, v(:, 3) + dz]; |
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75 p101 = [v(:, 1) + dx, v(:, 2) - dy, v(:, 3) + dz]; |
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76 p110 = [v(:, 1) + dx, v(:, 2) + dy, v(:, 3) - dz]; |
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77 p111 = [v(:, 1) + dx, v(:, 2) + dy, v(:, 3) + dz]; |
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78 |
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79 v000 = interp_cube_trilin (x, y, z, val, p000); |
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80 v100 = interp_cube_trilin (x, y, z, val, p100); |
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81 v010 = interp_cube_trilin (x, y, z, val, p010); |
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82 v001 = interp_cube_trilin (x, y, z, val, p001); |
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83 v011 = interp_cube_trilin (x, y, z, val, p011); |
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84 v101 = interp_cube_trilin (x, y, z, val, p101); |
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85 v110 = interp_cube_trilin (x, y, z, val, p110); |
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86 v111 = interp_cube_trilin (x, y, z, val, p111); |
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87 |
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88 Dx = -v000 .+ v100 .- v010 .- v001 .- v011 .+ v101 .+ v110 .+ v111; |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
89 Dy = -v000 .- v100 .+ v010 .- v001 .+ v011 .- v101 .+ v110 .+ v111; |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
diff
changeset
|
90 Dz = -v000 .- v100 .- v010 .+ v001 .+ v011 .+ v101 .- v110 .+ v111; |
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David Bateman <dbateman@free.fr>
parents:
diff
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|
91 Vxyz = 0.5 .* [Dx./dx, Dy./dy, Dz./dz]; |
22786 | 92 |
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parents:
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changeset
|
93 case "normals8" |
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parents:
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|
94 [idx, frac] = cube_idx (x, y, z, v); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
diff
changeset
|
95 |
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parents:
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changeset
|
96 dx = x(2:end) - x(1:end-1); |
22ae6b3411a7
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parents:
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changeset
|
97 dy = y(2:end) - y(1:end-1); |
22ae6b3411a7
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parents:
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changeset
|
98 dz = z(2:end) - z(1:end-1); |
22ae6b3411a7
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
99 dx = [dx;dx(end)](idx(:,2)); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
100 dy = [dy;dy(end)](idx(:,1)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
101 dz = [dz;dz(end)](idx(:,3)); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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102 [Dx, Dy, Dz, idx, frac] = interp_cube_trilin_grad (x, y, z, val, v); |
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David Bateman <dbateman@free.fr>
parents:
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|
103 Vxyz = [Dx./dx, Dy./dy, Dz./dz]; |
22786 | 104 |
17176
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14872
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changeset
|
105 case "values" |
abf384f5d243
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|
106 [Vxyz, idx, frac] = interp_cube_trilin (x, y, z, val, v); |
22786 | 107 |
9110
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|
108 otherwise |
22786 | 109 error ([caller ': Invalid request type "%s", use "values", "normals" or "normals8"'], req); |
110 | |
9110
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
111 endswitch |
21758
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parents:
20852
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changeset
|
112 |
9110
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parents:
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changeset
|
113 endfunction |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
114 |
14868
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|
115 function [Vxyz, idx, frac] = interp_cube_trilin (x, y, z, val, v) |
21758
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|
116 |
9110
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117 [idx, frac] = cube_idx (x(:), y(:), z(:), v); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
118 sval = size (val); |
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119 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)); |
22ae6b3411a7
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120 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
121 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
122 i001 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
123 i101 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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|
124 i011 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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changeset
|
125 i110 = sub2ind (sval, idx(:, 1)+1, idx(:, 2)+1, idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
126 i111 = sub2ind (sval, idx(:, 1)+1, idx(:, 2)+1, idx(:, 3)+1 ); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
127 Bx = frac(:, 1); |
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|
128 By = frac(:, 2); |
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|
129 Bz = frac(:, 3); |
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|
130 Vxyz = ... |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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131 val( i000 ) .* (1 .- Bx) .* (1 .- By) .* (1 .- Bz) .+ ... |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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132 val( i100 ) .* Bx .* (1 .- By) .* (1 .- Bz) .+ ... |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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133 val( i010 ) .* (1 .- Bx) .* By .* (1 .- Bz) .+ ... |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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changeset
|
134 val( i001 ) .* (1 .- Bx) .* (1 .- By) .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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|
135 val( i011 ) .* (1 .- Bx) .* By .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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changeset
|
136 val( i101 ) .* Bx .* (1 .- By) .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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changeset
|
137 val( i110 ) .* Bx .* By .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
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parents:
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changeset
|
138 val( i111 ) .* Bx .* By .* Bz; |
21758
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Rik <rik@octave.org>
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20852
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changeset
|
139 |
9110
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parents:
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changeset
|
140 endfunction |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
141 |
14868
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diff
changeset
|
142 function [Dx, Dy, Dz, idx, frac] = interp_cube_trilin_grad (x, y, z, val, v) |
21758
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Rik <rik@octave.org>
parents:
20852
diff
changeset
|
143 |
9110
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changeset
|
144 [idx, frac] = cube_idx (x(:), y(:), z(:), v); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
145 sval = size (val); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
146 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
147 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
148 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
149 i001 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
150 i101 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
151 i011 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)+1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
152 i110 = sub2ind (sval, idx(:, 1)+1, idx(:, 2)+1, idx(:, 3)); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
153 i111 = sub2ind (sval, idx(:, 1)+1, idx(:, 2)+1, idx(:, 3)+1 ); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
154 Bx = frac(:, 1); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
155 By = frac(:, 2); |
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Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
156 Bz = frac(:, 3); |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
157 Dx = ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
158 val( i000 ) .* -1 .* (1 .- By) .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
159 val( i100 ) .* (1 .- By) .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
160 val( i010 ) .* -1 .* By .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
161 val( i001 ) .* -1 .* (1 .- By) .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
162 val( i011 ) .* -1 .* By .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
163 val( i101 ) .* (1 .- By) .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
164 val( i110 ) .* By .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
165 val( i111 ) .* By .* Bz; |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
166 Dy = ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
167 val( i000 ) .* (1 .- Bx) .* -1 .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
168 val( i100 ) .* Bx .* -1 .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
169 val( i010 ) .* (1 .- Bx) .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
170 val( i001 ) .* (1 .- Bx) .* -1 .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
171 val( i011 ) .* (1 .- Bx) .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
172 val( i101 ) .* Bx .* -1 .* Bz .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
173 val( i110 ) .* Bx .* (1 .- Bz) .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
174 val( i111 ) .* Bx .* Bz; |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
175 Dz = ... |
22ae6b3411a7
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parents:
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changeset
|
176 val( i000 ) .* (1 .- Bx) .* (1 .- By) .* -1 .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
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changeset
|
177 val( i100 ) .* Bx .* (1 .- By) .* -1 .+ ... |
22ae6b3411a7
Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
178 val( i010 ) .* (1 .- Bx) .* By .* -1 .+ ... |
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179 val( i001 ) .* (1 .- Bx) .* (1 .- By) .+ ... |
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180 val( i011 ) .* (1 .- Bx) .* By + ... |
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181 val( i101 ) .* Bx .* (1 .- By) .+ ... |
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182 val( i110 ) .* Bx .* By .* -1 .+ ... |
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183 val( i111 ) .* Bx .* By; |
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184 |
9110
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185 endfunction |
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186 |
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187 function [idx, frac] = cube_idx (x, y, z, v) |
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188 |
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189 idx = zeros (size (v)); |
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190 frac = zeros (size (v)); |
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191 idx(:, 2) = lookup (x(2:end-1), v(:, 1)) + 1; |
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192 frac(:, 2) = (v(:, 1) - x(idx(:, 2)) )... |
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193 ./ (x(idx(:, 2)+1) - x(idx(:, 2))); |
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194 idx(:, 1) = lookup (y(2:end-1), v(:, 2)) + 1; |
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195 frac(:, 1) = (v(:, 2) - y(idx(:, 1))) ... |
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196 ./ (y(idx(:, 1)+1) - y(idx(:, 1))); |
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197 idx(:, 3) = lookup (z(2:end-1), v(:, 3)) + 1; |
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198 frac(:, 3) = (v(:, 3) - z(idx(:, 3))) ... |
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199 ./ (z(idx(:, 3)+1) - z(idx(:, 3))); |
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200 |
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201 endfunction |