octave-antonio: scripts/geometry/griddata3.m annotate

annotate scripts/geometry/griddata3.m @ 17744:d63878346099

maint: Update copyright notices for release.

author	John W. Eaton <jwe@octave.org>
date	Wed, 23 Oct 2013 22:09:27 -0400
parents	bc924baa2c4e
children	4197fc428c7d

rev	line source
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17281 diff changeset	1 ## Copyright (C) 2007-2013 David Bateman
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	2 ##
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	3 ## This file is part of Octave.
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	4 ##
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6826 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6826 diff changeset	8 ## your option) any later version.
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	9 ##
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	13 ## General Public License for more details.
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	14 ##
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6826 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6826 diff changeset	17 ## <http://www.gnu.org/licenses/>.
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	18
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	19 ## -- texinfo --
14384 4e8f1d1b0d75 maint: periodic merge of stable to default. Rik <octave@nomad.inbox5.com> parents: 14371 14362 diff changeset	20 ## @deftypefn {Function File} {@var{vi} =} griddata3 (@var{x}, @var{y}, @var{z}, @var{v}, @var{xi}, @var{yi}, @var{zi})
4e8f1d1b0d75 maint: periodic merge of stable to default. Rik <octave@nomad.inbox5.com> parents: 14371 14362 diff changeset	21 ## @deftypefnx {Function File} {@var{vi} =} griddata3 (@var{x}, @var{y}, @var{z}, @var{v}, @var{xi}, @var{yi}, @var{zi}, @var{method})
4e8f1d1b0d75 maint: periodic merge of stable to default. Rik <octave@nomad.inbox5.com> parents: 14371 14362 diff changeset	22 ## @deftypefnx {Function File} {@var{vi} =} griddata3 (@var{x}, @var{y}, @var{z}, @var{v}, @var{xi}, @var{yi}, @var{zi}, @var{method}, @var{options})
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	23 ##
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	24 ## Generate a regular mesh from irregular data using interpolation.
14362 cb4f1915db92 fix docstring in griddata3 Carlo de Falco <kingcrimson@tiscali.it> parents: 14138 diff changeset	25 ## The function is defined by @code{@var{v} = f (@var{x}, @var{y}, @var{z})}.
cb4f1915db92 fix docstring in griddata3 Carlo de Falco <kingcrimson@tiscali.it> parents: 14138 diff changeset	26 ## The interpolation points are specified by @var{xi}, @var{yi}, @var{zi}.
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	27 ##
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 14384 diff changeset	28 ## The interpolation method can be @qcode{"nearest"} or @qcode{"linear"}.
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 14384 diff changeset	29 ## If method is omitted it defaults to @qcode{"linear"}.
14371 079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	30 ##
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	31 ## The optional argument @var{options} is passed directly to Qhull when
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	32 ## computing the Delaunay triangulation used for interpolation. See
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	33 ## @code{delaunayn} for information on the defaults and how to pass different
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	34 ## values.
14362 cb4f1915db92 fix docstring in griddata3 Carlo de Falco <kingcrimson@tiscali.it> parents: 14138 diff changeset	35 ## @seealso{griddata, griddatan, delaunayn}
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	36 ## @end deftypefn
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	37
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	38 ## Author: David Bateman <dbateman@free.fr>
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	39
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	40 function vi = griddata3 (x, y, z, v, xi, yi, zi, method, varargin)
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	41
6826 8618f29520c6 [project @ 2007-08-24 16:02:07 by jwe] jwe parents: 6823 diff changeset	42 if (nargin < 7)
8618f29520c6 [project @ 2007-08-24 16:02:07 by jwe] jwe parents: 6823 diff changeset	43 print_usage ();
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	44 endif
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	45
14371 079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	46 if (isvector (x) && isvector (y) && isvector (z) && isvector (v))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	47 if (! isequal (length (x), length (y), length (z), length (v)))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	48 error ("griddata: X, Y, Z, and V must be vectors of the same length");
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	49 endif
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	50 elseif (! size_equal (x, y, z, v))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	51 error ("griddata: X, Y, Z, and V must have equal sizes");
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	52 endif
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	53
14371 079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	54 ## meshgrid xi, yi and zi if they are vectors unless
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	55 ## they are vectors of the same length.
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	56 if (isvector (xi) && isvector (yi) && isvector (zi))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	57 if (! isequal (length (xi), length (yi), length (zi)))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	58 [xi, yi, zi] = meshgrid (xi, yi, zi);
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	59 else
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	60 ## Otherwise, convert to column vectors
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	61 xi = xi(:);
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	62 yi = yi(:);
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	63 zi = zi(:);
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	64 endif
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	65 endif
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	66
14371 079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	67 if (! size_equal (xi, yi, zi))
079e6f3a0977 griddata3.m: Accept vectors of any orientation. Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	68 error ("griddata3: XI, YI, and ZI must be vectors or matrices of the same size");
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	69 endif
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	70
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	71 vi = griddatan ([x(:), y(:), z(:)], v(:), [xi(:), yi(:), zi(:)], varargin{:});
6826 8618f29520c6 [project @ 2007-08-24 16:02:07 by jwe] jwe parents: 6823 diff changeset	72 vi = reshape (vi, size (xi));
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	73
6823 9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	74 endfunction
9fddcc586065 [project @ 2007-08-24 08:27:27 by dbateman] dbateman parents: diff changeset	75
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	76
8153 ec0a13863eb7 Only run tests that depend on HDF5 and QHull if Octave was actually Soren Hauberg <hauberg@gmail.com> parents: 7585 diff changeset	77 %!testif HAVE_QHULL
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	78 %! old_state = rand ("state");
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	79 %! restore_state = onCleanup (@() rand ("state", old_state));
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	80 %! rand ("state", 0);
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	81 %! x = 2 * rand (1000, 1) - 1;
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	82 %! y = 2 * rand (1000, 1) - 1;
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	83 %! z = 2 * rand (1000, 1) - 1;
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	84 %! v = x.^2 + y.^2 + z.^2;
522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	85 %! [xi, yi, zi] = meshgrid (-0.8:0.2:0.8);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	86 %! vi = griddata3 (x, y, z, v, xi, yi, zi, "linear");
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	87 %! vv = vi - xi.^2 - yi.^2 - zi.^2;
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	88 %! assert (max (abs (vv(:))), 0, 0.1);
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	89
8153 ec0a13863eb7 Only run tests that depend on HDF5 and QHull if Octave was actually Soren Hauberg <hauberg@gmail.com> parents: 7585 diff changeset	90 %!testif HAVE_QHULL
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	91 %! old_state = rand ("state");
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	92 %! restore_state = onCleanup (@() rand ("state", old_state));
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	93 %! rand ("state", 0);
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	94 %! x = 2 * rand (1000, 1) - 1;
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	95 %! y = 2 * rand (1000, 1) - 1;
e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	96 %! z = 2 * rand (1000, 1) - 1;
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	97 %! v = x.^2 + y.^2 + z.^2;
522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	98 %! [xi, yi, zi] = meshgrid (-0.8:0.2:0.8);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	99 %! vi = griddata3 (x, y, z, v, xi, yi, zi, "nearest");
7585 522433b05f45 Fix griddata3 and add test code David Bateman <dbateman@free.fr> parents: 7418 diff changeset	100 %! vv = vi - xi.^2 - yi.^2 - zi.^2;
13747 e8564e8b0043 Restore random number state after %!demos or %!tests Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	101 %! assert (max (abs (vv(:))), 0, 0.1)
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	102

Mercurial > octave-antonio

annotate scripts/geometry/griddata3.m @ 17744:d63878346099