octave: scripts/image/imagesc.m annotate

annotate scripts/image/imagesc.m @ 27985:9f9ac219896d

maint: Remove remaining "Author:" instances from code base. * __ftp__.cc, load-save.cc, urlwrite.cc, xnorm.cc, xnorm.h, cconv2.f, cdotc3.f, cmatm3.f, csconv2.f, dconv2.f, ddot3.f, dmatm3.f, sconv2.f, sdot3.f, smatm3.f, zconv2.f, zdconv2.f, zdotc3.f, zmatm3.f, crsf2csf.f, zrsf2csf.f, oct-norm.cc, oct-norm.h, lin2mu.m, mu2lin.m, bincoeff.m, blkdiag.m, deal.m, gradient.m, interpft.m, nextpow2.m, postpad.m, prepad.m, repmat.m, shift.m, xor.m, griddata.m, rotx.m, roty.m, rotz.m, voronoin.m, getappdata.m, isappdata.m, rmappdata.m, setappdata.m, colormap.m, gray.m, gray2ind.m, im2double.m, image.m, imagesc.m, imread.m, imshow.m, ind2gray.m, ind2rgb.m, ocean.m, __imread__.m, rgb2ind.m, javachk.m, ClassHelper.java, usejava.m, findstr.m, commutation_matrix.m, cross.m, gls.m, housh.m, isdefinite.m, ishermitian.m, issymmetric.m, logm.m, null.m, ols.m, orth.m, qzhess.m, rref.m, dos.m, nargoutchk.m, orderfields.m, parseparams.m, __w2mpth__.m, unix.m, untar.m, unzip.m, expand_rel_paths.m, make_rel_paths.m, daspect.m, orient.m, pbaspect.m, rticks.m, thetaticks.m, xticklabels.m, xticks.m, yticklabels.m, yticks.m, zticklabels.m, zticks.m, comet.m, contourf.m, plot3.m, cla.m, copyobj.m, findfigs.m, hdl2struct.m, linkaxes.m, __ghostscript__.m, __gnuplot_get_var__.m, __gnuplot_has_feature__.m, __gnuplot_has_terminal__.m, __gnuplot_open_stream__.m, __gnuplot_print__.m, struct2hdl.m, subplot.m, compan.m, conv.m, deconv.m, mpoles.m, poly.m, polyder.m, polyfit.m, polyint.m, polyout.m, polyreduce.m, polyval.m, polyvalm.m, residue.m, roots.m, ismember.m, __parse_movargs__.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, filter2.m, movfun.m, movslice.m, ichol.m, pcg.m, beta.m, ellipke.m, lcm.m, nchoosek.m, pow2.m, primes.m, pascal.m, rosser.m, wilkinson.m, corr.m, kurtosis.m, skewness.m, base2dec.m, bin2dec.m, blanks.m, deblank.m, dec2base.m, dec2bin.m, dec2hex.m, hex2dec.m, index.m, rindex.m, strjoin.m, substr.m, untabify.m, calendar.m, datestr.m, eomday.m, now.m, weekday.m: Remove remaining "Author:" instances from code base.

author	Rik <rik@octave.org>
date	Tue, 21 Jan 2020 14:35:03 -0800
parents	7f1cec12c240
children	9342688e86b4

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ########################################################################
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 ##
27919 1891570abac8 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 27918 diff changeset	3 ## Copyright (C) 1994-2020 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	4 ##
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 ## See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 ## distribution or <https://octave.org/copyright/>.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	7 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	8 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	9 ##
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24057 diff changeset	10 ## Octave is free software: you can redistribute it and/or modify it
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	11 ## under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24057 diff changeset	12 ## the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22369 diff changeset	13 ## (at your option) any later version.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	14 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	15 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22369 diff changeset	17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22369 diff changeset	18 ## GNU General Public License for more details.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	19 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	20 ## 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: 6368 diff changeset	21 ## along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24057 diff changeset	22 ## <https://www.gnu.org/licenses/>.
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 ##
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ########################################################################
1024 56520a75b5b3 [project @ 1995-01-11 20:30:04 by jwe] jwe parents: 904 diff changeset	25
3381 69b167451491 [project @ 1999-12-15 20:48:10 by jwe] jwe parents: 3373 diff changeset	26 ## -- texinfo --
20852 516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	27 ## @deftypefn {} {} imagesc (@var{img})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	28 ## @deftypefnx {} {} imagesc (@var{x}, @var{y}, @var{img})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	29 ## @deftypefnx {} {} imagesc (@dots{}, @var{climits})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	30 ## @deftypefnx {} {} imagesc (@dots{}, "@var{prop}", @var{val}, @dots{})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	31 ## @deftypefnx {} {} imagesc ("@var{prop1}", @var{val1}, @dots{})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	32 ## @deftypefnx {} {} imagesc (@var{hax}, @dots{})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20158 diff changeset	33 ## @deftypefnx {} {@var{h} =} imagesc (@dots{})
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	34 ## Display a scaled version of the matrix @var{img} as a color image.
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	35 ##
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	36 ## The colormap is scaled so that the entries of the matrix occupy the entire
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	37 ## colormap. If @code{@var{climits} = [@var{lo}, @var{hi}]} is given, then
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	38 ## that range is set to the @qcode{"clim"} of the current axes.
3651 c2305b99fbd7 [project @ 2000-03-31 07:12:29 by jwe] jwe parents: 3457 diff changeset	39 ##
25856 9578af67a0d4 Document that image x/ydata indicate the centers of corner pixels (bug #54610). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	40 ## @var{x} and @var{y} are optional 2-element vectors, @w{@code{[min, max]}},
9578af67a0d4 Document that image x/ydata indicate the centers of corner pixels (bug #54610). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	41 ## which specify the coordinates of the centers of the corner pixels.
9578af67a0d4 Document that image x/ydata indicate the centers of corner pixels (bug #54610). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	42 ## If a range is specified as @w{@code{[max, min]}} then the image will be
9578af67a0d4 Document that image x/ydata indicate the centers of corner pixels (bug #54610). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	43 ## reversed along that axis. For convenience, @var{x} and @var{y} may be
9578af67a0d4 Document that image x/ydata indicate the centers of corner pixels (bug #54610). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	44 ## specified as N-element vectors matching the length of the data in @var{img}.
25980 221c039aa415 Fix rendering of images with permuted x/ydata (bug #49756). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25856 diff changeset	45 ## However, only the first and last elements will be used to determine
221c039aa415 Fix rendering of images with permuted x/ydata (bug #49756). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25856 diff changeset	46 ## the image limits.
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	47 ##
14001 5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 11589 diff changeset	48 ## The optional return value @var{h} is a graphics handle to the image.
17689 dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	49 ##
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	50 ## Calling Forms: The @code{imagesc} function can be called in two forms:
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	51 ## High-Level and Low-Level. When invoked with normal options, the High-Level
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	52 ## form is used which first calls @code{newplot} to prepare the graphic figure
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	53 ## and axes. When the only inputs to @code{image} are property/value pairs
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	54 ## the Low-Level form is used which creates a new instance of an image object
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	55 ## and inserts it in the current axes.
dd8db3f1c1da doc: Add information about High-Level/Low-Level calling forms for image, imagesc. Rik <rik@octave.org> parents: 17281 diff changeset	56 ##
8286 6f2d95255911 fix @seealso references to point to existing anchors Thorsten Meyer <thorsten.meyier@gmx.de> parents: 7650 diff changeset	57 ## @seealso{image, imshow, caxis}
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3225 diff changeset	58 ## @end deftypefn
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	59
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	60 function h = imagesc (varargin)
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	61
17692 38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	62 [hax, varargin, nargin] = __plt_get_axis_arg__ ("imagesc", varargin{:});
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	63
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	64 chararg = find (cellfun ("isclass", varargin, "char"), 1, "first");
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	65
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	66 do_new = true;
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	67 if (nargin == 0)
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	68 print_usage ();
17692 38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	69 elseif (chararg == 1)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	70 ## Low-Level syntax
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	71 do_new = false;
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	72 img = x = y = climits = [];
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	73 elseif (nargin == 1 \|\| chararg == 2)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	74 img = varargin{1};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	75 x = y = climits = [];
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	76 elseif (nargin == 2 \|\| chararg == 3)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	77 img = varargin{1};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	78 climits = varargin{2};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	79 x = y = [];
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	80 elseif (nargin == 3 \|\| chararg == 4)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	81 x = varargin{1};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	82 y = varargin{2};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	83 img = varargin{3};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	84 climits = [];
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	85 elseif (nargin == 4 \|\| chararg == 5)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	86 x = varargin{1};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	87 y = varargin{2};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	88 img = varargin{3};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	89 climits = varargin{4};
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	90 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	91
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	92 oldfig = [];
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	93 if (! isempty (hax))
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	94 oldfig = get (0, "currentfigure");
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	95 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	96 unwind_protect
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	97 if (do_new)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	98 hax = newplot (hax);
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	99 elseif (isempty (hax))
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	100 hax = gca ();
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	101 endif
17692 38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	102
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	103 if (do_new)
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	104 htmp = image (x, y, img, "cdatamapping", "scaled", varargin{chararg:end});
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	105 else
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	106 htmp = image ("cdatamapping", "scaled", varargin{:});
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	107 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	108
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	109 if (do_new && ! ishold (hax))
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	110 ## use given climits or guess them from the matrix
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	111 if (numel (climits) == 2 && climits(1) <= climits(2))
24056 ae35d50d9756 Ensure numeric values are passed for the axes "clim" property (bug #52053). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 23219 diff changeset	112 set (hax, "clim", double (climits));
17692 38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	113 elseif (! isempty (climits))
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	114 error ("imagesc: CLIMITS must be in form [lo, hi]");
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	115 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	116 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	117 unwind_protect_cleanup
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	118 if (! isempty (oldfig))
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	119 set (0, "currentfigure", oldfig);
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	120 endif
38cf56b77274 Overhaul image, imagesc to use newplot and support low-level invocation form. Rik <rik@octave.org> parents: 17689 diff changeset	121 end_unwind_protect
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	122
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	123 if (nargout > 0)
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	124 h = htmp;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	125 endif
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	126
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	127 endfunction
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	128
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	129
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	130 %!demo
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	131 %! clf;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	132 %! colormap ("default");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	133 %! img = 1 ./ hilb (11);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	134 %! x = y = -5:5;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	135 %! subplot (2,2,1);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	136 %! h = imagesc (x, y, img);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	137 %! ylabel ("limits = [-5.5, 5.5]");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	138 %! title ("imagesc (x, y, img)");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	139 %! subplot (2,2,2);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	140 %! h = imagesc (-x, y, img);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	141 %! title ("imagesc (-x, y, img)");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	142 %! subplot (2,2,3);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	143 %! h = imagesc (x, -y, img);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	144 %! title ("imagesc (x, -y, img)");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	145 %! ylabel ("limits = [-5.5, 5.5]");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	146 %! subplot (2,2,4);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	147 %! h = imagesc (-x, -y, img);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	148 %! title ("imagesc (-x, -y, img)");
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	149
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	150 %!demo
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	151 %! clf;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	152 %! colormap ("default");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	153 %! g = 0.1:0.1:10;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	154 %! h = g'*g;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	155 %! imagesc (g, g, sin (h));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	156 %! hold on;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	157 %! imagesc (g, g+12, cos (h/2));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	158 %! axis ([0 10 0 22]);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	159 %! hold off;
22312 533c3c4059a3 Add titles to more of the graphic demos. Rik <rik@octave.org> parents: 22069 diff changeset	160 %! title ("two consecutive images w/hold()");
6368 ec2a523713b5 [project @ 2007-02-28 22:07:24 by jwe] jwe parents: 6046 diff changeset	161
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	162 %!demo
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	163 %! clf;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	164 %! colormap ("default");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	165 %! g = 0.1:0.1:10;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	166 %! h = g'*g;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	167 %! imagesc (g, g, sin (h));
22069 9121d6584f6a Overhaul graphics implementation of hold() (bug #43559). Rik <rik@octave.org> parents: 20852 diff changeset	168 %! hold on;
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	169 %! plot (g, 11.0 * ones (size (g)));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	170 %! imagesc (g, g+12, cos (h/2));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	171 %! axis ([0 10 0 22]);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	172 %! hold off;
22312 533c3c4059a3 Add titles to more of the graphic demos. Rik <rik@octave.org> parents: 22069 diff changeset	173 %! title ("image, line, image w/hold()");
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	174
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	175 %!demo
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	176 %! clf;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	177 %! colormap ("default");
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	178 %! g = 0.1:0.1:10;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	179 %! h = g'*g;
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	180 %! plot (g, 10.5 * ones (size (g)));
22069 9121d6584f6a Overhaul graphics implementation of hold() (bug #43559). Rik <rik@octave.org> parents: 20852 diff changeset	181 %! hold on;
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	182 %! imagesc (g, g, sin (h));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	183 %! plot (g, 11.0 * ones (size (g)));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	184 %! imagesc (g, g+12, cos (h/2));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	185 %! plot (g, 11.5 * ones (size (g)));
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	186 %! axis ([0 10 0 22]);
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14359 diff changeset	187 %! hold off;
22312 533c3c4059a3 Add titles to more of the graphic demos. Rik <rik@octave.org> parents: 22069 diff changeset	188 %! title ("line, image, line, image, line w/hold()");
7189 e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman] dbateman parents: 7017 diff changeset	189
22369 17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	190 %!demo # bug #48879
17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	191 %! clf;
17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	192 %! img = reshape (1:100, 10, 10);
17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	193 %! imagesc (img);
17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	194 %! colormap (prism (10));
17c9cc85842e Fix display of scaled images in OpenGL toolkits (bug #48879). Rik <rik@octave.org> parents: 22323 diff changeset	195 %! title ("10 vertical color bars");

Mercurial > octave

annotate scripts/image/imagesc.m @ 27985:9f9ac219896d