Mercurial > octave
view scripts/plot/appearance/grid.m @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | 3a2b891d0b33 e9a0469dedd9 |
children | 092078913d54 |
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## Copyright (C) 1993-2016 John W. Eaton ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} grid ## @deftypefnx {} {} grid on ## @deftypefnx {} {} grid off ## @deftypefnx {} {} grid minor ## @deftypefnx {} {} grid minor on ## @deftypefnx {} {} grid minor off ## @deftypefnx {} {} grid (@var{hax}, @dots{}) ## Control the display of plot grid lines. ## ## The function state input may be either @qcode{"on"} or @qcode{"off"}. ## If it is omitted, the current grid state is toggled. ## ## When the first argument is @qcode{"minor"} all subsequent commands ## modify the minor grid rather than the major grid. ## ## If the first argument @var{hax} is an axes handle, then operate on ## this axis rather than the current axes returned by @code{gca}. ## ## To control the grid lines for an individual axis use the @code{set} ## function. For example: ## ## @example ## set (gca, "ygrid", "on"); ## @end example ## @seealso{axis, box} ## @end deftypefn ## Author: jwe function grid (varargin) [hax, varargin, nargs] = __plt_get_axis_arg__ ("grid", varargin{:}); if (isempty (hax)) hax = gca (); endif ## Must be after gca (), since grid with no plot should create one. if (nargs > 2) print_usage (); endif grid_on = any (strcmp (get (hax, {"xgrid", "ygrid", "zgrid"}), "on")); minor_on = any (strcmp (get (hax, {"xminorgrid", "yminorgrid", "zminorgrid"}), "on") & ! strcmp (get (hax, {"xscale", "yscale", "zscale"}), "log")); minor_auto = true; if (nargs == 0) grid_on = ! grid_on; if (! grid_on) minor_auto = false; endif else arg1 = varargin{1}; if (! ischar (arg1)) error ("grid: argument 1 must be an axis handle or a string"); endif if (strcmpi (arg1, "off")) grid_on = false; minor_on = false; minor_auto = false; elseif (strcmpi (arg1, "on")) grid_on = true; minor_auto = true; elseif (strcmpi (arg1, "minor")) minor_auto = false; if (nargs == 2) arg2 = varargin{2}; if (strcmpi (arg2, "on")) minor_on = true; elseif (strcmpi (arg2, "off")) minor_on = false; else print_usage (); endif else minor_on = ! minor_on; endif else print_usage (); endif endif if (grid_on) set (hax, "xgrid", "on", "ygrid", "on", "zgrid", "on"); else set (hax, "xgrid", "off", "ygrid", "off", "zgrid", "off"); endif if (minor_on) set (hax, "xminorgrid", "on", "yminorgrid", "on", "zminorgrid", "on"); elseif (minor_auto) xmg = ifelse (strcmp (get (hax, "xscale"), "log"), "on", "off"); ymg = ifelse (strcmp (get (hax, "yscale"), "log"), "on", "off"); zmg = ifelse (strcmp (get (hax, "zscale"), "log"), "on", "off"); set (hax, "xminorgrid", xmg, "yminorgrid", ymg, "zminorgrid", zmg); else set (hax, "xminorgrid", "off", "yminorgrid", "off", "zminorgrid", "off"); endif endfunction %!demo %! clf; %! subplot (3, 2, 1); %! plot (1:100); %! grid off; %! title ("grid off"); %! subplot (3, 2, 2); %! plot (1:100); %! grid on; %! title ("grid on"); %! subplot (3, 2, 3); %! plot (1:100); %! set (gca, "xgrid", "on"); %! title ("xgrid on"); %! subplot (3, 2, 4); %! plot (1:100); %! set (gca, "ygrid", "on"); %! title ("ygrid on"); %! subplot (3, 2, 5); %! plot (1:100); %! grid minor; %! title ("grid minor"); %! subplot (3, 2, 6); %! plot (1:100); %! set (gca, "yminorgrid", "on"); %! title ("yminorgrid on"); %!demo %! subplot (2,2,1); %! semilogy (1:100); %! grid off; %! title ("grid off"); %! subplot (2,2,2); %! semilogy (1:100); %! grid on; %! title ("grid on"); %! subplot (2,2,3); %! semilogy (1:100); %! grid off; %! title ("no grid"); %! subplot (2,2,4); %! semilogy (1:100); %! grid minor; %! title ("grid minor"); %!demo %! ## Display minor grid lines at major ticks %! clf; %! subplot (1,2,1) %! plot (1:10); %! set (gca, "xminorgrid", "on"); %! set (gca, "yminorgrid", "on"); %! subplot (1,2,2) %! semilogy (1:100); %! set (gca, "xminorgrid", "on"); %! set (gca, "yminorgrid", "on"); %!demo %! clf; %! plot3 (1:10, 1:10, 1:10); %! set (gca, "xtick", [0, pi/2, 4.7, 8, 10]); %! set (gca, "ytick", [0, 1, pi, 7.3, 10]); %! set (gca, "ztick", [0, exp(1), 5, 9.1, 10]); %! set (gca, "xminorgrid", "on"); %! set (gca, "yminorgrid", "on"); %! set (gca, "zminorgrid", "on"); %! view (3); %! title ("Minor grid adapts to xticks (bug #45850)") ## linear scaling %!test <48533> %! hf = figure ("visible", "off"); %! unwind_protect %! hax = axes (); %! plot (1:10); %! grid on %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid minor %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "on"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "on"); %! grid off %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid minor %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "on"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "on"); %! grid minor %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect ## semilog scaling %!test <48533> %! hf = figure ("visible", "off"); %! unwind_protect %! hax = axes (); %! semilogy (1:100); %! grid on %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "off"); %! grid on %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "off"); %! grid minor %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "on"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "on"); %! grid off %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid minor %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "on"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "on"); %! grid minor %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! grid %! assert (get (hax, "xgrid"), "on"); %! assert (get (hax, "ygrid"), "on"); %! assert (get (hax, "zgrid"), "on"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "on"); %! assert (get (hax, "zminorgrid"), "off"); %! grid %! assert (get (hax, "xgrid"), "off"); %! assert (get (hax, "ygrid"), "off"); %! assert (get (hax, "zgrid"), "off"); %! assert (get (hax, "xminorgrid"), "off"); %! assert (get (hax, "yminorgrid"), "off"); %! assert (get (hax, "zminorgrid"), "off"); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect