Mercurial > hg > octave-lyh
annotate scripts/plot/hold.m @ 8813:70d06ed27c08
gnuplot_drawnow.m: Only send figure position info to gnuplot when the plot stream is first opened. Revert usage of hidden axes to store prior figure "position" property.
| author | Ben Abbott <bpabbott@mac.com> |
|---|---|
| date | Thu, 19 Feb 2009 07:34:15 -0500 |
| parents | 5dd06f19e9be |
| children | eb63fbe60fab |
| rev | line source |
|---|---|
| 7017 | 1 ## Copyright (C) 2005, 2006, 2007 John W. Eaton |
| 5406 | 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 | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 5406 | 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 | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 5406 | 18 |
| 19 ## -*- texinfo -*- | |
| 6713 | 20 ## @deftypefn {Function File} {} hold @var{args} |
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21 ## Tell Octave to `hold' the current data on the graph when executing |
| 5406 | 22 ## subsequent plotting commands. This allows you to execute a series of |
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23 ## plot commands and have all the lines end up on the same graph. The |
| 5406 | 24 ## default is for each new plot command to clear the plot device first. |
| 25 ## For example, the command | |
| 26 ## | |
| 27 ## @example | |
| 28 ## hold on | |
| 29 ## @end example | |
| 30 ## | |
| 31 ## @noindent | |
| 32 ## turns the hold state on. An argument of @code{"off"} turns the hold | |
| 33 ## state off, and @code{hold} with no arguments toggles the current hold | |
| 34 ## state. | |
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35 ## |
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36 ## @deftypefnx {Function File} {} hold (@var{h}, @dots{}) |
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37 ## |
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38 ## Applies to a specific axis or axes, associated with the handle(s), |
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39 ## @var{h}. |
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40 ## |
| 5406 | 41 ## @end deftypefn |
| 42 | |
| 6257 | 43 function hold (varargin) |
| 5406 | 44 |
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45 if (nargin > 0 && numel (varargin{1}) == 1 && ishandle (varargin{1}(1)) |
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46 && strcmp (get (varargin{1}, "type"), "axes")) |
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47 [h, varargin, nargs] = __plt_get_axis_arg__ ("hold", varargin{:}); |
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48 elseif (nargin > 0 && numel (varargin{1}) > 1 && ishandle (varargin{1}(1))) |
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49 print_usage (); |
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50 else |
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51 h = gcf (); |
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52 nargs = numel (varargin); |
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53 endif |
| 5406 | 54 |
| 6257 | 55 hold_state = get (h, "nextplot"); |
| 5406 | 56 |
| 6257 | 57 if (nargs == 0) |
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58 if (strcmpi (hold_state, "add")) |
| 6257 | 59 hold_state = "replace"; |
| 5406 | 60 else |
| 6257 | 61 hold_state = "add"; |
| 62 endif | |
| 63 elseif (nargs == 1) | |
| 64 state = varargin{1}; | |
| 65 if (ischar (state)) | |
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66 if (strcmpi (state, "off")) |
| 6257 | 67 hold_state = "replace"; |
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68 elseif (strcmpi (state, "on")) |
| 6257 | 69 hold_state = "add"; |
| 70 else | |
| 71 print_usage (); | |
| 72 endif | |
| 5406 | 73 endif |
| 74 else | |
| 6046 | 75 print_usage (); |
| 5406 | 76 endif |
| 77 | |
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parents:
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78 if (isfigure (h)) |
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Fix for hold with no figures/axes. Set prop/val pairs to hggroups rather than underlying objects. Fix for equality test in array_property
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79 if (isempty (get (h, "currentaxes"))) |
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80 set (h, "currentaxes", __go_axes__ (h)) |
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Fix for hold with no figures/axes. Set prop/val pairs to hggroups rather than underlying objects. Fix for equality test in array_property
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parents:
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81 endif |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
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82 axes_objs = findobj (h, "type", "axes"); |
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6333da0dfdfd
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John W. Eaton <jwe@octave.org>
parents:
7985
diff
changeset
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83 h = [h; axes_objs]; |
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6333da0dfdfd
hold.m: if hold is applied to a figure, set state for all child axes objects
John W. Eaton <jwe@octave.org>
parents:
7985
diff
changeset
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84 endif |
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6333da0dfdfd
hold.m: if hold is applied to a figure, set state for all child axes objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
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85 |
| 6257 | 86 set (h, "nextplot", hold_state); |
| 87 | |
| 5406 | 88 endfunction |