# HG changeset patch
# User Rik <rik@octave.org>
# Date 1382210371 25200
# Node ID 10d3bd4ec98148b6f14ec7cddddc8af3d820c721
# Parent  dba2e06dcdb5b92621b35c88c488eed757a8c32c
maint: Move datetick from time/ to plot/appearance/ directory

* scripts/plot/appearance/datetick.m: Moved from time/ dir.

* scripts/plot/appearance/module.mk: Added datetick to build system.

* scripts/time/module.mk: Removed datetick from time/ dir build.

diff -r dba2e06dcdb5 -r 10d3bd4ec981 scripts/plot/appearance/datetick.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/plot/appearance/datetick.m	Sat Oct 19 12:19:31 2013 -0700
@@ -0,0 +1,314 @@
+## Copyright (C) 2008-2012 David Bateman
+##
+## 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  {Function File} {} datetick ()
+## @deftypefnx {Function File} {} datetick (@var{form})
+## @deftypefnx {Function File} {} datetick (@var{axis}, @var{form})
+## @deftypefnx {Function File} {} datetick (@dots{}, "keeplimits")
+## @deftypefnx {Function File} {} datetick (@dots{}, "keepticks")
+## @deftypefnx {Function File} {} datetick (@var{hax}, @dots{})
+## Add date formatted tick labels to an axis.  The axis to apply the
+## ticks to is determined by @var{axis} which can take the values @qcode{"x"},
+## @qcode{"y"}, or @qcode{"z"}.  The default value is @qcode{"x"}.  The
+## formatting of the labels is determined by the variable @var{form}, which
+## can either be a string or positive integer that @code{datestr} accepts.
+## @seealso{datenum, datestr}
+## @end deftypefn
+
+function datetick (varargin)
+
+  [hax, varargin, nargin] = __plt_get_axis_arg__ ("datetick", varargin{:});
+
+  oldfig = [];
+  if (! isempty (hax))
+    oldfig = get (0, "currentfigure");
+  endif
+  if (isempty (hax))
+    hax = gca ();
+  endif 
+
+  unwind_protect
+    ## FIXME: This will bring the axes to the top of the stack.
+    ##        This may not always be desirable if there are multiple axes
+    ##        objects.
+    axes (hax);
+    __datetick__ (varargin{:});
+  unwind_protect_cleanup
+    if (! isempty (oldfig))
+      set (0, "currentfigure", oldfig);
+    endif
+  end_unwind_protect
+
+endfunction
+
+
+%!demo
+%! clf;
+%! yr = 1900:10:2000;
+%! pop = [76.094, 92.407, 106.461, 123.077 131.954, 151.868, 179.979, ...
+%!        203.984, 227.225, 249.623, 282.224];
+%! plot (datenum (yr, 1, 1), pop);
+%! title ("US population (millions)");
+%! xlabel ("Year");
+%! datetick ("x", "YYYY");
+
+%!demo
+%! clf;
+%! yr = 1988:2:2002;
+%! yr = datenum (yr,1,1);
+%! pr = [12.1 13.3 12.6 13.1 13.3 14.1 14.4 15.2];
+%! plot (yr, pr, "-o");
+%! xlabel ("year");
+%! ylabel ("average price");
+%! ax = gca;
+%! set (ax, "xtick", datenum (1990:5:2005,1,1));
+%! datetick (2, "keepticks");
+%! set (ax, "ytick", 12:16);
+
+## Remove from test statistics.  No real tests possible.
+%!assert (1)
+
+function __datetick__ (varargin)
+
+  keeplimits = false;
+  idx = strcmpi (varargin, "keeplimits");
+  if (any (idx))
+    keeplimits = true;
+    varargin = varargin(! idx);
+  endif
+  keepticks = false;
+  idx = strcmpi (varargin, "keepticks");
+  if (any (idx))
+    keepticks = true;
+    varargin = varargin(! idx);
+  endif
+
+  nargin = numel (varargin); 
+  form = [];
+  ax = "x";
+
+  if (nargin != 0)
+    arg = varargin{1};
+    if (ischar (arg) && any (strcmpi (arg, {"x", "y", "z"})))
+      ax = tolower (arg);
+      if (nargin > 1)
+        form = varargin{2};
+        varargin(1:2) = [];
+      else
+        varargin(1) = [];
+      endif
+    else
+      form = arg;
+      varargin(1) = [];
+    endif
+  endif
+
+  ## Don't publish the existence of this variable for use with dateaxis
+  if (length (varargin) > 0)
+    startdate = varargin{1};
+  else
+    startdate = [];
+  endif
+
+  if (! isempty (form))
+    if (isnumeric (form))
+      if (! isscalar (form) || form < 0 || form != fix (form))
+        error ("datetick: expecting FORM argument to be a positive integer");
+      endif
+    elseif (! ischar (form))
+      error ("datetick: expecting valid date format string");
+    endif
+  endif
+
+  if (keepticks)
+    ticks = get (gca (), [ax "tick"]);
+  else
+    ## Need to do our own axis tick position calculation as
+    ## year, etc, don't fallback on nice datenum values.
+    objs = findall (gca ());
+    xmax = NaN;
+    xmin = NaN;
+    for i = 1 : length (objs)
+      fld = get (objs (i));
+      if (isfield (fld, [ax "data"]))
+        xdata = getfield (fld, [ax "data"])(:);
+        xmin = min (xmin, min (xdata));
+        xmax = max (xmax, max (xdata));
+      endif
+    endfor
+
+    if (isnan (xmin) || isnan (xmax))
+      xmin = 0;
+      xmax = 1;
+    elseif (xmin == xmax)
+      xmax = xmin + 1;
+    endif
+
+    N = 3;
+    if (xmax - xmin < N)
+      ## Day scale or less
+      if (xmax - xmin < N / 24 / 60 / 60)
+        scl = 1 / 24 / 60 / 60;
+      elseif (xmax - xmin < N / 24 / 60)
+        scl = 1 / 24 / 60;
+      else
+        scl = 1 / 24;
+      endif
+      sep = __calc_tick_sep__ (xmin / scl , xmax / scl);
+      xmin = sep * floor (xmin / scl / sep);
+      xmax = sep * ceil (xmax / scl / sep);
+      nticks = (xmax - xmin) / sep + 1;
+      xmin *= scl;
+      xmax *= scl;
+    else
+      [ymin, mmin, dmin] = datevec (xmin);
+      [ymax, mmax, dmax] = datevec (xmax);
+      minyear = ymin + (mmin - 1) / 12 + (dmin - 1) / 12 / 30;
+      maxyear = ymax + (mmax - 1) / 12 + (dmax - 1) / 12 / 30;
+      minmonth = mmin + (dmin - 1) / 30;
+      maxmonth = (ymax  - ymin) * 12 + mmax + (dmax - 1) / 30;
+
+      if (maxmonth - minmonth < N)
+        sep = __calc_tick_sep__ (xmin, xmax);
+        xmin = sep * floor (xmin / sep);
+        xmax = sep * ceil (xmax / sep);
+        nticks = (xmax - xmin) / sep + 1;
+      elseif (maxyear - minyear < N)
+        sep = __calc_tick_sep__ (minmonth , maxmonth);
+        xmin = datenum (ymin, sep * floor (minmonth / sep), 1);
+        xmax = datenum (ymax, sep * ceil (maxmonth / sep), 1);
+        nticks = ceil (maxmonth / sep) - floor (minmonth / sep) + 1;
+      else
+        sep = __calc_tick_sep__ (minyear , maxyear);
+        xmin = datenum (sep * floor (minyear / sep), 1, 1);
+        xmax = datenum (sep * ceil (maxyear / sep), 1, 1);
+        nticks = ceil (maxyear / sep) - floor (minyear / sep) + 1;
+      endif
+    endif
+    ticks = xmin + [0 : nticks - 1] / (nticks - 1) * (xmax - xmin);
+  endif
+
+  if (isempty (form))
+    r = max (ticks) - min (ticks);
+    if (r < 10/60/24)
+      ## minutes and seconds
+      form = 13;
+    elseif (r < 2)
+      ## hours
+      form = 15;
+    elseif (r < 15)
+      ## days
+      form = 8;
+    elseif (r < 365)
+      ## FIXME: FORM should be 19 for European users who use dd/mm
+      ## instead of mm/dd.  How can that be determined automatically?
+      ## months
+      form = 6;
+    elseif (r < 90*12)
+      ## quarters
+      form = 27;
+    else
+      ## years
+      form = 10;
+    endif
+  endif
+
+  if (length (ticks) == 6)
+    ## Careful that its not treated as a datevec
+    if (! isempty (startdate))
+      sticks = strvcat (datestr (ticks(1:end-1) - ticks(1) + startdate, form),
+      datestr (ticks(end) - ticks(1) + startdate, form));
+    else
+      sticks = strvcat (datestr (ticks(1:end-1), form),
+      datestr (ticks(end), form));
+    endif
+  else
+    if (! isempty (startdate))
+      sticks = datestr (ticks - ticks(1) + startdate, form);
+    else
+      sticks = datestr (ticks, form);
+    endif
+  endif
+
+  sticks = mat2cell (sticks, ones (rows (sticks), 1), columns (sticks));
+
+  if (keepticks)
+    if (keeplimits)
+      set (gca (), [ax "ticklabel"], sticks);
+    else
+      set (gca (), [ax "ticklabel"], sticks,
+                   [ax "lim"], [min(ticks), max(ticks)]);
+    endif
+  else
+    if (keeplimits)
+      set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks);
+    else
+      set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks,
+                   [ax "lim"], [min(ticks), max(ticks)]);
+    endif
+  endif
+endfunction
+
+function [a, b] = __magform__ (x)
+  if (x == 0)
+    a = 0;
+    b = 0;
+  else
+    l = log10 (abs (x));
+    r = fmod (l, 1);
+    a = 10 .^ r;
+    b = fix (l - r);
+    if (a < 1)
+      a *= 10;
+      b -= 1;
+    endif
+    if (x < 0)
+      a = -a;
+    endif
+  endif
+endfunction
+
+## A translation from Tom Holoryd's python code at
+## http://kurage.nimh.nih.gov/tomh/tics.py
+function sep = __calc_tick_sep__ (lo, hi)
+  persistent sqrt_2  = sqrt (2.0);
+  persistent sqrt_10 = sqrt (10.0);
+  persistent sqrt_50 = sqrt (50.0);
+
+  ticint = 5;
+
+  ## Reference: Lewart, C. R., "Algorithms SCALE1, SCALE2, and
+  ## SCALE3 for Determination of Scales on Computer Generated
+  ## Plots", Communications of the ACM, 10 (1973), 639-640.
+  ## Also cited as ACM Algorithm 463.
+
+  [a, b] = __magform__ ((hi - lo) / ticint);
+
+  if (a < sqrt_2)
+    x = 1;
+  elseif (a < sqrt_10)
+    x = 2;
+  elseif (a < sqrt_50)
+    x = 5;
+  else
+    x = 10;
+  endif
+  sep = x * 10 .^ b;
+endfunction
+
diff -r dba2e06dcdb5 -r 10d3bd4ec981 scripts/plot/appearance/module.mk
--- a/scripts/plot/appearance/module.mk	Sat Oct 19 12:05:50 2013 -0700
+++ b/scripts/plot/appearance/module.mk	Sat Oct 19 12:19:31 2013 -0700
@@ -12,6 +12,7 @@
   plot/appearance/caxis.m \
   plot/appearance/clabel.m \
   plot/appearance/daspect.m \
+  plot/appearance/datetick.m \
   plot/appearance/diffuse.m \
   plot/appearance/grid.m \
   plot/appearance/gtext.m \
diff -r dba2e06dcdb5 -r 10d3bd4ec981 scripts/time/datetick.m
--- a/scripts/time/datetick.m	Sat Oct 19 12:05:50 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,314 +0,0 @@
-## Copyright (C) 2008-2012 David Bateman
-##
-## 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  {Function File} {} datetick ()
-## @deftypefnx {Function File} {} datetick (@var{form})
-## @deftypefnx {Function File} {} datetick (@var{axis}, @var{form})
-## @deftypefnx {Function File} {} datetick (@dots{}, "keeplimits")
-## @deftypefnx {Function File} {} datetick (@dots{}, "keepticks")
-## @deftypefnx {Function File} {} datetick (@var{hax}, @dots{})
-## Add date formatted tick labels to an axis.  The axis to apply the
-## ticks to is determined by @var{axis} which can take the values @qcode{"x"},
-## @qcode{"y"}, or @qcode{"z"}.  The default value is @qcode{"x"}.  The
-## formatting of the labels is determined by the variable @var{form}, which
-## can either be a string or positive integer that @code{datestr} accepts.
-## @seealso{datenum, datestr}
-## @end deftypefn
-
-function datetick (varargin)
-
-  [hax, varargin, nargin] = __plt_get_axis_arg__ ("datetick", varargin{:});
-
-  oldfig = [];
-  if (! isempty (hax))
-    oldfig = get (0, "currentfigure");
-  endif
-  if (isempty (hax))
-    hax = gca ();
-  endif 
-
-  unwind_protect
-    ## FIXME: This will bring the axes to the top of the stack.
-    ##        This may not always be desirable if there are multiple axes
-    ##        objects.
-    axes (hax);
-    __datetick__ (varargin{:});
-  unwind_protect_cleanup
-    if (! isempty (oldfig))
-      set (0, "currentfigure", oldfig);
-    endif
-  end_unwind_protect
-
-endfunction
-
-
-%!demo
-%! clf;
-%! yr = 1900:10:2000;
-%! pop = [76.094, 92.407, 106.461, 123.077 131.954, 151.868, 179.979, ...
-%!        203.984, 227.225, 249.623, 282.224];
-%! plot (datenum (yr, 1, 1), pop);
-%! title ("US population (millions)");
-%! xlabel ("Year");
-%! datetick ("x", "YYYY");
-
-%!demo
-%! clf;
-%! yr = 1988:2:2002;
-%! yr = datenum (yr,1,1);
-%! pr = [12.1 13.3 12.6 13.1 13.3 14.1 14.4 15.2];
-%! plot (yr, pr, "-o");
-%! xlabel ("year");
-%! ylabel ("average price");
-%! ax = gca;
-%! set (ax, "xtick", datenum (1990:5:2005,1,1));
-%! datetick (2, "keepticks");
-%! set (ax, "ytick", 12:16);
-
-## Remove from test statistics.  No real tests possible.
-%!assert (1)
-
-function __datetick__ (varargin)
-
-  keeplimits = false;
-  idx = strcmpi (varargin, "keeplimits");
-  if (any (idx))
-    keeplimits = true;
-    varargin = varargin(! idx);
-  endif
-  keepticks = false;
-  idx = strcmpi (varargin, "keepticks");
-  if (any (idx))
-    keepticks = true;
-    varargin = varargin(! idx);
-  endif
-
-  nargin = numel (varargin); 
-  form = [];
-  ax = "x";
-
-  if (nargin != 0)
-    arg = varargin{1};
-    if (ischar (arg) && any (strcmpi (arg, {"x", "y", "z"})))
-      ax = tolower (arg);
-      if (nargin > 1)
-        form = varargin{2};
-        varargin(1:2) = [];
-      else
-        varargin(1) = [];
-      endif
-    else
-      form = arg;
-      varargin(1) = [];
-    endif
-  endif
-
-  ## Don't publish the existence of this variable for use with dateaxis
-  if (length (varargin) > 0)
-    startdate = varargin{1};
-  else
-    startdate = [];
-  endif
-
-  if (! isempty (form))
-    if (isnumeric (form))
-      if (! isscalar (form) || form < 0 || form != fix (form))
-        error ("datetick: expecting FORM argument to be a positive integer");
-      endif
-    elseif (! ischar (form))
-      error ("datetick: expecting valid date format string");
-    endif
-  endif
-
-  if (keepticks)
-    ticks = get (gca (), [ax "tick"]);
-  else
-    ## Need to do our own axis tick position calculation as
-    ## year, etc, don't fallback on nice datenum values.
-    objs = findall (gca ());
-    xmax = NaN;
-    xmin = NaN;
-    for i = 1 : length (objs)
-      fld = get (objs (i));
-      if (isfield (fld, [ax "data"]))
-        xdata = getfield (fld, [ax "data"])(:);
-        xmin = min (xmin, min (xdata));
-        xmax = max (xmax, max (xdata));
-      endif
-    endfor
-
-    if (isnan (xmin) || isnan (xmax))
-      xmin = 0;
-      xmax = 1;
-    elseif (xmin == xmax)
-      xmax = xmin + 1;
-    endif
-
-    N = 3;
-    if (xmax - xmin < N)
-      ## Day scale or less
-      if (xmax - xmin < N / 24 / 60 / 60)
-        scl = 1 / 24 / 60 / 60;
-      elseif (xmax - xmin < N / 24 / 60)
-        scl = 1 / 24 / 60;
-      else
-        scl = 1 / 24;
-      endif
-      sep = __calc_tick_sep__ (xmin / scl , xmax / scl);
-      xmin = sep * floor (xmin / scl / sep);
-      xmax = sep * ceil (xmax / scl / sep);
-      nticks = (xmax - xmin) / sep + 1;
-      xmin *= scl;
-      xmax *= scl;
-    else
-      [ymin, mmin, dmin] = datevec (xmin);
-      [ymax, mmax, dmax] = datevec (xmax);
-      minyear = ymin + (mmin - 1) / 12 + (dmin - 1) / 12 / 30;
-      maxyear = ymax + (mmax - 1) / 12 + (dmax - 1) / 12 / 30;
-      minmonth = mmin + (dmin - 1) / 30;
-      maxmonth = (ymax  - ymin) * 12 + mmax + (dmax - 1) / 30;
-
-      if (maxmonth - minmonth < N)
-        sep = __calc_tick_sep__ (xmin, xmax);
-        xmin = sep * floor (xmin / sep);
-        xmax = sep * ceil (xmax / sep);
-        nticks = (xmax - xmin) / sep + 1;
-      elseif (maxyear - minyear < N)
-        sep = __calc_tick_sep__ (minmonth , maxmonth);
-        xmin = datenum (ymin, sep * floor (minmonth / sep), 1);
-        xmax = datenum (ymax, sep * ceil (maxmonth / sep), 1);
-        nticks = ceil (maxmonth / sep) - floor (minmonth / sep) + 1;
-      else
-        sep = __calc_tick_sep__ (minyear , maxyear);
-        xmin = datenum (sep * floor (minyear / sep), 1, 1);
-        xmax = datenum (sep * ceil (maxyear / sep), 1, 1);
-        nticks = ceil (maxyear / sep) - floor (minyear / sep) + 1;
-      endif
-    endif
-    ticks = xmin + [0 : nticks - 1] / (nticks - 1) * (xmax - xmin);
-  endif
-
-  if (isempty (form))
-    r = max (ticks) - min (ticks);
-    if (r < 10/60/24)
-      ## minutes and seconds
-      form = 13;
-    elseif (r < 2)
-      ## hours
-      form = 15;
-    elseif (r < 15)
-      ## days
-      form = 8;
-    elseif (r < 365)
-      ## FIXME: FORM should be 19 for European users who use dd/mm
-      ## instead of mm/dd.  How can that be determined automatically?
-      ## months
-      form = 6;
-    elseif (r < 90*12)
-      ## quarters
-      form = 27;
-    else
-      ## years
-      form = 10;
-    endif
-  endif
-
-  if (length (ticks) == 6)
-    ## Careful that its not treated as a datevec
-    if (! isempty (startdate))
-      sticks = strvcat (datestr (ticks(1:end-1) - ticks(1) + startdate, form),
-      datestr (ticks(end) - ticks(1) + startdate, form));
-    else
-      sticks = strvcat (datestr (ticks(1:end-1), form),
-      datestr (ticks(end), form));
-    endif
-  else
-    if (! isempty (startdate))
-      sticks = datestr (ticks - ticks(1) + startdate, form);
-    else
-      sticks = datestr (ticks, form);
-    endif
-  endif
-
-  sticks = mat2cell (sticks, ones (rows (sticks), 1), columns (sticks));
-
-  if (keepticks)
-    if (keeplimits)
-      set (gca (), [ax "ticklabel"], sticks);
-    else
-      set (gca (), [ax "ticklabel"], sticks,
-                   [ax "lim"], [min(ticks), max(ticks)]);
-    endif
-  else
-    if (keeplimits)
-      set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks);
-    else
-      set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks,
-                   [ax "lim"], [min(ticks), max(ticks)]);
-    endif
-  endif
-endfunction
-
-function [a, b] = __magform__ (x)
-  if (x == 0)
-    a = 0;
-    b = 0;
-  else
-    l = log10 (abs (x));
-    r = fmod (l, 1);
-    a = 10 .^ r;
-    b = fix (l - r);
-    if (a < 1)
-      a *= 10;
-      b -= 1;
-    endif
-    if (x < 0)
-      a = -a;
-    endif
-  endif
-endfunction
-
-## A translation from Tom Holoryd's python code at
-## http://kurage.nimh.nih.gov/tomh/tics.py
-function sep = __calc_tick_sep__ (lo, hi)
-  persistent sqrt_2  = sqrt (2.0);
-  persistent sqrt_10 = sqrt (10.0);
-  persistent sqrt_50 = sqrt (50.0);
-
-  ticint = 5;
-
-  ## Reference: Lewart, C. R., "Algorithms SCALE1, SCALE2, and
-  ## SCALE3 for Determination of Scales on Computer Generated
-  ## Plots", Communications of the ACM, 10 (1973), 639-640.
-  ## Also cited as ACM Algorithm 463.
-
-  [a, b] = __magform__ ((hi - lo) / ticint);
-
-  if (a < sqrt_2)
-    x = 1;
-  elseif (a < sqrt_10)
-    x = 2;
-  elseif (a < sqrt_50)
-    x = 5;
-  else
-    x = 10;
-  endif
-  sep = x * 10 .^ b;
-endfunction
-
diff -r dba2e06dcdb5 -r 10d3bd4ec981 scripts/time/module.mk
--- a/scripts/time/module.mk	Sat Oct 19 12:05:50 2013 -0700
+++ b/scripts/time/module.mk	Sat Oct 19 12:19:31 2013 -0700
@@ -9,7 +9,6 @@
   time/date.m \
   time/datenum.m \
   time/datestr.m \
-  time/datetick.m \
   time/datevec.m \
   time/eomday.m \
   time/etime.m \