Mercurial > hg > octave-nkf
annotate scripts/plot/contour.m @ 14237:11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Add clf() to all demos using plot features to get reproducibility.
Use 64 as input to all colormaps (jet (64)) to get reproducibility.
* bicubic.m, cell2mat.m, celldisp.m, cplxpair.m, interp1.m, interp2.m,
interpft.m, interpn.m, profile.m, profshow.m, convhull.m, delaunay.m,
griddata.m, inpolygon.m, voronoi.m, autumn.m, bone.m, contrast.m, cool.m,
copper.m, flag.m, gmap40.m, gray.m, hot.m, hsv.m, image.m, imshow.m, jet.m,
ocean.m, pink.m, prism.m, rainbow.m, spring.m, summer.m, white.m, winter.m,
condest.m, onenormest.m, axis.m, clabel.m, colorbar.m, comet.m, comet3.m,
compass.m, contour.m, contour3.m, contourf.m, cylinder.m, daspect.m,
ellipsoid.m, errorbar.m, ezcontour.m, ezcontourf.m, ezmesh.m, ezmeshc.m,
ezplot.m, ezplot3.m, ezpolar.m, ezsurf.m, ezsurfc.m, feather.m, fill.m,
fplot.m, grid.m, hold.m, isosurface.m, legend.m, loglog.m, loglogerr.m,
pareto.m, patch.m, pbaspect.m, pcolor.m, pie.m, pie3.m, plot3.m, plotmatrix.m,
plotyy.m, polar.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m, ribbon.m,
rose.m, scatter.m, scatter3.m, semilogx.m, semilogxerr.m, semilogy.m,
semilogyerr.m, shading.m, slice.m, sombrero.m, stairs.m, stem.m, stem3.m,
subplot.m, surf.m, surfc.m, surfl.m, surfnorm.m, text.m, title.m, trimesh.m,
triplot.m, trisurf.m, uigetdir.m, uigetfile.m, uimenu.m, uiputfile.m,
waitbar.m, xlim.m, ylim.m, zlim.m, mkpp.m, pchip.m, polyaffine.m, spline.m,
bicgstab.m, cgs.m, gplot.m, pcg.m, pcr.m, treeplot.m, strtok.m, demo.m,
example.m, rundemos.m, speed.m, test.m, calendar.m, datestr.m, datetick.m,
weekday.m: Revamp %!demos to use Octave coding conventions on spacing, etc.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Fri, 20 Jan 2012 12:59:53 -0800 |
| parents | 72c96de7a403 |
| children | 4506eade9f04 |
| rev | line source |
|---|---|
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14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
13156
diff
changeset
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1 ## Copyright (C) 1993-2012 Shai Ayal |
| 2313 | 2 ## |
| 6440 | 3 ## This file is part of Octave. |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 2313 | 6 ## under the terms of the GNU General Public License as published by |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 2313 | 9 ## |
| 6440 | 10 ## Octave is distributed in the hope that it will be useful, but |
| 2313 | 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 245 | 18 |
| 3368 | 19 ## -*- texinfo -*- |
|
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Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
20 ## @deftypefn {Function File} {} contour (@var{z}) |
| 7317 | 21 ## @deftypefnx {Function File} {} contour (@var{z}, @var{vn}) |
| 22 ## @deftypefnx {Function File} {} contour (@var{x}, @var{y}, @var{z}) | |
| 23 ## @deftypefnx {Function File} {} contour (@var{x}, @var{y}, @var{z}, @var{vn}) | |
| 24 ## @deftypefnx {Function File} {} contour (@dots{}, @var{style}) | |
| 25 ## @deftypefnx {Function File} {} contour (@var{h}, @dots{}) | |
| 7170 | 26 ## @deftypefnx {Function File} {[@var{c}, @var{h}] =} contour (@dots{}) |
| 6604 | 27 ## Plot level curves (contour lines) of the matrix @var{z}, using the |
| 28 ## contour matrix @var{c} computed by @code{contourc} from the same | |
| 6895 | 29 ## arguments; see the latter for their interpretation. The set of |
| 30 ## contour levels, @var{c}, is only returned if requested. For example: | |
| 6257 | 31 ## |
| 32 ## @example | |
| 6604 | 33 ## @group |
| 34 ## x = 0:2; | |
| 35 ## y = x; | |
| 36 ## z = x' * y; | |
| 37 ## contour (x, y, z, 2:3) | |
| 38 ## @end group | |
| 6257 | 39 ## @end example |
| 7170 | 40 ## |
| 7317 | 41 ## The style to use for the plot can be defined with a line style @var{style} |
| 42 ## in a similar manner to the line styles used with the @code{plot} command. | |
| 43 ## Any markers defined by @var{style} are ignored. | |
| 44 ## | |
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all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
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45 ## The optional input and output argument @var{h} allows an axis handle to |
| 7170 | 46 ## be passed to @code{contour} and the handles to the contour objects to be |
| 47 ## returned. | |
| 48 ## @seealso{contourc, patch, plot} | |
| 3368 | 49 ## @end deftypefn |
| 4 | 50 |
| 7327 | 51 ## Author: Shai Ayal <shaiay@users.sourceforge.net> |
| 6257 | 52 |
| 7170 | 53 function [c, h] = contour (varargin) |
| 6434 | 54 |
| 7216 | 55 [xh, varargin] = __plt_get_axis_arg__ ("contour", varargin{:}); |
| 56 | |
| 7215 | 57 oldh = gca (); |
| 58 unwind_protect | |
| 7216 | 59 axes (xh); |
| 7170 | 60 newplot (); |
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Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
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61 [ctmp, htmp] = __contour__ (xh, "none", varargin{:}); |
| 7215 | 62 unwind_protect_cleanup |
| 63 axes (oldh); | |
| 64 end_unwind_protect | |
| 6257 | 65 |
| 66 if (nargout > 0) | |
| 7170 | 67 c = ctmp; |
| 7189 | 68 h = htmp; |
| 4 | 69 endif |
| 70 | |
| 71 endfunction | |
| 7245 | 72 |
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14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
73 |
| 7245 | 74 %!demo |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
75 %! clf; |
| 7245 | 76 %! [x, y, z] = peaks (); |
| 77 %! contour (x, y, z); | |
| 7327 | 78 |
| 79 %!demo | |
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14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
80 %! clf; |
|
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
81 %! [theta, r] = meshgrid (linspace (0,2*pi,64), linspace (0,1,64)); |
| 7331 | 82 %! [X, Y] = pol2cart (theta, r); |
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14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
83 %! Z = sin (2*theta) .* (1-r); |
|
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
84 %! contour (X, Y, abs(Z), 10); |
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13156
da71f676e449
Fix bug #34282. Fill holes in contours with the background colour
Ben Abbott <bpabbott@mac.com>
parents:
11587
diff
changeset
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85 |
|
da71f676e449
Fix bug #34282. Fill holes in contours with the background colour
Ben Abbott <bpabbott@mac.com>
parents:
11587
diff
changeset
|
86 %!demo |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
87 %! clf; |
|
13156
da71f676e449
Fix bug #34282. Fill holes in contours with the background colour
Ben Abbott <bpabbott@mac.com>
parents:
11587
diff
changeset
|
88 %! x = linspace (-2, 2); |
|
da71f676e449
Fix bug #34282. Fill holes in contours with the background colour
Ben Abbott <bpabbott@mac.com>
parents:
11587
diff
changeset
|
89 %! [x, y] = meshgrid (x); |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
90 %! z = sqrt (x.^2 + y.^2) ./ (x.^2 + y.^2 + 1); |
|
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
91 %! contourf (x, y, z, [0.4, 0.4]); |
|
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
92 %! title ("The hole should be filled with the background color"); |
|
13156
da71f676e449
Fix bug #34282. Fill holes in contours with the background colour
Ben Abbott <bpabbott@mac.com>
parents:
11587
diff
changeset
|
93 |