Mercurial > hg > octave-lyh
annotate scripts/plot/quiver3.m @ 17126:eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Emphasize clarity, use common "voice", and increase density of seealso links.
* doc/interpreter/plot.txi: Add @findex entries that were in xlim.m
* scripts/miscellaneous/getappdata.m scripts/miscellaneous/setappdata.m,
scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/area.m,
scripts/plot/axes.m, scripts/plot/axis.m, scripts/plot/bar.m,
scripts/plot/barh.m, scripts/plot/box.m, scripts/plot/caxis.m,
scripts/plot/cla.m, scripts/plot/clabel.m, scripts/plot/clf.m,
scripts/plot/close.m, scripts/plot/closereq.m, scripts/plot/colorbar.m,
scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/compass.m,
scripts/plot/contour.m, scripts/plot/contour3.m, scripts/plot/contourc.m,
scripts/plot/contourf.m, scripts/plot/copyobj.m, scripts/plot/cylinder.m,
scripts/plot/daspect.m, scripts/plot/diffuse.m, scripts/plot/ellipsoid.m,
scripts/plot/errorbar.m, scripts/plot/ezcontour.m, scripts/plot/ezcontourf.m,
scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezplot.m,
scripts/plot/ezplot3.m, scripts/plot/ezpolar.m, scripts/plot/ezsurf.m,
scripts/plot/ezsurfc.m, scripts/plot/feather.m, scripts/plot/figure.m,
scripts/plot/fill.m, scripts/plot/findall.m, scripts/plot/findobj.m,
scripts/plot/fplot.m, scripts/plot/gca.m, scripts/plot/gcbf.m,
scripts/plot/gcbo.m, scripts/plot/gcf.m, scripts/plot/gco.m,
scripts/plot/ginput.m, scripts/plot/graphics_toolkit.m, scripts/plot/grid.m,
scripts/plot/gtext.m, scripts/plot/guidata.m, scripts/plot/guihandles.m,
scripts/plot/hdl2struct.m, scripts/plot/hggroup.m, scripts/plot/hidden.m,
scripts/plot/hist.m, scripts/plot/hold.m, scripts/plot/ishghandle.m,
scripts/plot/ishold.m, scripts/plot/isocolors.m, scripts/plot/isprop.m,
scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/linkprop.m,
scripts/plot/loglog.m, scripts/plot/loglogerr.m, scripts/plot/mesh.m,
scripts/plot/meshc.m, scripts/plot/meshgrid.m, scripts/plot/meshz.m,
scripts/plot/newplot.m, scripts/plot/orient.m, scripts/plot/pareto.m,
scripts/plot/patch.m, scripts/plot/pcolor.m, scripts/plot/peaks.m,
scripts/plot/pie.m, scripts/plot/pie3.m, scripts/plot/plot.m,
scripts/plot/plot3.m, scripts/plot/plotmatrix.m, scripts/plot/plotyy.m,
scripts/plot/polar.m, scripts/plot/print.m, scripts/plot/quiver.m,
scripts/plot/quiver3.m, scripts/plot/rectangle.m, scripts/plot/refresh.m,
scripts/plot/refreshdata.m, scripts/plot/ribbon.m, scripts/plot/rose.m,
scripts/plot/saveas.m, scripts/plot/scatter.m, scripts/plot/scatter3.m,
scripts/plot/semilogx.m, scripts/plot/semilogxerr.m, scripts/plot/semilogy.m,
scripts/plot/semilogyerr.m, scripts/plot/shading.m, scripts/plot/shg.m,
scripts/plot/shrinkfaces.m, scripts/plot/slice.m, scripts/plot/specular.m,
scripts/plot/sphere.m, scripts/plot/stairs.m, scripts/plot/stem.m,
scripts/plot/stem3.m, scripts/plot/struct2hdl.m, scripts/plot/subplot.m,
scripts/plot/surf.m, scripts/plot/surface.m, scripts/plot/surfc.m,
scripts/plot/surfl.m, scripts/plot/tetramesh.m, scripts/plot/text.m,
scripts/plot/title.m, scripts/plot/trimesh.m, scripts/plot/triplot.m,
scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/waitbar.m,
scripts/plot/waitforbuttonpress.m, scripts/plot/waterfall.m,
scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m,
scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m,
scripts/plot/zlim.m: Rewrite docstrings for most plot functions.
Emphasize clarity, use common "voice", and increase density of seealso links.
| author | Rik <rik@octave.org> |
|---|---|
| date | Wed, 31 Jul 2013 13:53:30 -0700 |
| parents | d465f9970c02 |
| children | 52931d71400f |
| rev | line source |
|---|---|
|
14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
14092
diff
changeset
|
1 ## Copyright (C) 2007-2012 David Bateman |
| 7189 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 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 | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
|
10793
be55736a0783
Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
9040
diff
changeset
|
20 ## @deftypefn {Function File} {} quiver3 (@var{u}, @var{v}, @var{w}) |
| 7189 | 21 ## @deftypefnx {Function File} {} quiver3 (@var{x}, @var{y}, @var{z}, @var{u}, @var{v}, @var{w}) |
| 22 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{s}) | |
| 23 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{style}) | |
|
14359
7277fe922e99
doc: Use Octave preference for double quote in docstrings in scripts/
Rik <octave@nomad.inbox5.com>
parents:
14247
diff
changeset
|
24 ## @deftypefnx {Function File} {} quiver3 (@dots{}, "filled") |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
25 ## @deftypefnx {Function File} {} quiver3 (@var{hax}, @dots{}) |
| 7189 | 26 ## @deftypefnx {Function File} {@var{h} =} quiver3 (@dots{}) |
| 27 ## | |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
28 ## Plot the (@var{u}, @var{v}, @var{w}) components of a vector field in |
|
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
29 ## an (@var{x}, @var{y}, @var{z}) meshgrid. If the grid is uniform, you |
|
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
30 ## can specify @var{x}, @var{y}, and @var{z} as vectors. |
| 7189 | 31 ## |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
32 ## If @var{x}, @var{y}, and @var{z} are undefined they are assumed to be |
|
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
33 ## @code{(1:@var{m}, 1:@var{n}, 1:@var{p})} where @code{[@var{m}, @var{n}] = |
|
14868
5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents:
14363
diff
changeset
|
34 ## size (@var{u})} and @code{@var{p} = max (size (@var{w}))}. |
| 7189 | 35 ## |
| 36 ## The variable @var{s} is a scalar defining a scaling factor to use for | |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
37 ## the arrows of the field relative to the mesh spacing. A value of 0 |
|
9040
dbd0c77e575e
Cleanup documentation file plot.texi
Rik <rdrider0-list@yahoo.com>
parents:
8920
diff
changeset
|
38 ## disables all scaling. The default value is 1. |
| 7189 | 39 ## |
| 40 ## The style to use for the plot can be defined with a line style @var{style} | |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
41 ## of the same format as the @code{plot} command. |
| 7189 | 42 ## If a marker is specified then markers at the grid points of the vectors are |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
43 ## drawn rather than arrows. If the argument "filled" is given then the |
|
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
44 ## markers are filled. |
| 7189 | 45 ## |
|
14001
5f0bb45e615c
doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
46 ## The optional return value @var{h} is a graphics handle to a quiver object. |
|
5f0bb45e615c
doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
47 ## A quiver object regroups the components of the quiver plot (body, arrow, |
|
5f0bb45e615c
doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
48 ## and marker), and allows them to be changed together. |
| 7189 | 49 ## |
| 50 ## @example | |
| 51 ## @group | |
| 52 ## [x, y, z] = peaks (25); | |
| 53 ## surf (x, y, z); | |
| 54 ## hold on; | |
| 55 ## [u, v, w] = surfnorm (x, y, z / 10); | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7245
diff
changeset
|
56 ## h = quiver3 (x, y, z, u, v, w); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7245
diff
changeset
|
57 ## set (h, "maxheadsize", 0.33); |
| 7189 | 58 ## @end group |
| 59 ## @end example | |
| 60 ## | |
|
17126
eaab03308c0b
doc: Rewrite docstrings for most plot functions.
Rik <rik@octave.org>
parents:
17070
diff
changeset
|
61 ## @seealso{quiver, compass, feather, plot} |
| 7189 | 62 ## @end deftypefn |
| 63 | |
| 64 function retval = quiver3 (varargin) | |
| 65 | |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
66 [hax, varargin, nargin] = __plt_get_axis_arg__ ("quiver3", varargin{:}); |
| 7215 | 67 |
| 7189 | 68 if (nargin < 2) |
| 69 print_usage (); | |
| 7215 | 70 else |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
71 oldfig = ifelse (isempty (hax), [], get (0, "currentfigure")); |
| 7189 | 72 unwind_protect |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
73 hax = newplot (hax); |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
74 htmp = __quiver__ (hax, true, varargin{:}); |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
75 |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
76 if (! ishold (hax)) |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
77 set (hax, "view", [-37.5, 30]); # 3D view |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
78 endif |
| 7189 | 79 unwind_protect_cleanup |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
80 if (! isempty (oldfig)) |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
81 set (0, "currentfigure", oldfig); |
|
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
82 endif |
| 7189 | 83 end_unwind_protect |
| 84 endif | |
| 85 | |
| 86 if (nargout > 0) | |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
87 retval = htmp; |
| 7189 | 88 endif |
| 89 | |
| 90 endfunction | |
| 91 | |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
92 |
| 7189 | 93 %!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
|
94 %! clf; |
|
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14245
diff
changeset
|
95 %! colormap ('default'); |
|
14001
5f0bb45e615c
doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
96 %! [x,y] = meshgrid (-1:0.1:1); |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
97 %! z = sin (2*pi * sqrt (x.^2 + y.^2)); |
|
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
98 %! theta = 2*pi * sqrt (x.^2 + y.^2) + pi/2; |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
99 %! mesh (x, y, z); |
|
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
100 %! hold on; |
|
17070
d465f9970c02
quiver.m, quiver3.m: Upgrade to use new __plt_get_axis_arg__.
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
16814
diff
changeset
|
101 %! quiver3 (x, y, z, sin (theta), cos (theta), ones (size (z))); |
| 7189 | 102 %! hold off; |
| 7245 | 103 |
| 104 %!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
|
105 %! clf; |
|
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14245
diff
changeset
|
106 %! colormap ('default'); |
| 7245 | 107 %! [x, y, z] = peaks (25); |
| 108 %! surf (x, y, z); | |
| 109 %! hold on; | |
| 110 %! [u, v, w] = surfnorm (x, y, z / 10); | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7245
diff
changeset
|
111 %! h = quiver3 (x, y, z, u, v, w); |
|
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
112 %! set (h, 'maxheadsize', 0.33); |
|
8253
873ea2c72f16
quiver3.m: turn hold off after demo
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
113 %! hold off; |
|
8889
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
|
114 |
|
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
|
115 %!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
|
116 %! clf; |
|
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14245
diff
changeset
|
117 %! colormap ('default'); |
|
14092
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
118 %! [x, y, z] = peaks (25); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
119 %! surf (x, y, z); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
120 %! hold on; |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
121 %! [u, v, w] = surfnorm (x, y, z / 10); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
122 %! h = quiver3 (x, y, z, u, v, w); |
|
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
123 %! set (h, 'maxheadsize', 0.33); |
|
14092
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
124 %! hold off; |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
125 %! shading interp; |
|
8889
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
|
126 |