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changeset 7216:5389a52df87b

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[project @ 2007-11-29 19:07:29 by jwe]
author jwe
date Thu, 29 Nov 2007 19:07:29 +0000
parents dd88d61d443f
children c8abc18322b7
files scripts/ChangeLog scripts/plot/__axes_limits__.m scripts/plot/__plt_get_axis_arg__.m scripts/plot/axis.m scripts/plot/caxis.m scripts/plot/contour.m scripts/plot/contour3.m scripts/plot/contourf.m scripts/plot/errorbar.m scripts/plot/fill.m scripts/plot/grid.m scripts/plot/loglog.m scripts/plot/loglogerr.m scripts/plot/meshz.m scripts/plot/patch.m scripts/plot/peaks.m scripts/plot/pie.m scripts/plot/plot.m scripts/plot/plotyy.m scripts/plot/polar.m scripts/plot/semilogx.m scripts/plot/semilogxerr.m scripts/plot/semilogy.m scripts/plot/semilogyerr.m scripts/plot/surf.m scripts/plot/surface.m scripts/plot/surfnorm.m
diffstat 27 files changed, 75 insertions(+), 41 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/ChangeLog	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/ChangeLog	Thu Nov 29 19:07:29 2007 +0000
@@ -1,3 +1,15 @@
+2007-11-29  John W. Eaton  <jwe@octave.org>
+
+	* plot/contour.m, plot/contour3.m, plot/fill.m, plot/patch.m,
+	plot/surf.m, plot/surface.m: Don't return handle value unless
+	requested.
+
+	* plot/patch.m: Omit isnan check on handle returned from
+	__plt_get_axis_arg__.
+
+	* plot/__plt_get_axis_arg__.m: Don't fail if current figure exists
+	but has no axes.
+
 2007-11-28  David Bateman  <dbateman@free.fr>
 
 	* __plt_get_axis_handle__.m: Also allow hggroup and return axes
--- a/scripts/plot/__axes_limits__.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/__axes_limits__.m	Thu Nov 29 19:07:29 2007 +0000
@@ -19,8 +19,10 @@
 ## Undocumented internal function.
 
 function retval = __axes_limits__ (fcn, varargin)
+
   retval = [];
-  fcnmode = sprintf("%smode", fcn);
+
+  fcnmode = sprintf ("%smode", fcn);
 
   [h, varargin, nargin] = __plt_get_axis_arg__ (fcn, varargin{:});
 
@@ -45,4 +47,5 @@
       endif
     endif
   endif
+
 endfunction
--- a/scripts/plot/__plt_get_axis_arg__.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/__plt_get_axis_arg__.m	Thu Nov 29 19:07:29 2007 +0000
@@ -44,12 +44,17 @@
     endif
   else
     f = get (0, "currentfigure");
-    if (! isempty (f))
+    if (isempty (f))
+      h = [];
+    else
       h = get (f, 'currentaxes');
-    elseif (nogca)
-      h = NaN;
-    else
-      h = gca ();
+    endif
+    if (isempty (h))
+      if (nogca)
+	h = NaN;
+      else
+	h = gca ();
+      endif
     endif
     if (nargin < 2)
       varargin = {};
--- a/scripts/plot/axis.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/axis.m	Thu Nov 29 19:07:29 2007 +0000
@@ -119,6 +119,7 @@
 function varargout = axis (varargin)
 
   [h, varargin, nargin] = __plt_get_axis_arg__ ("axis", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
--- a/scripts/plot/caxis.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/caxis.m	Thu Nov 29 19:07:29 2007 +0000
@@ -40,6 +40,7 @@
 function varargout = caxis (varargin)
 
   [h, varargin, nargin] = __plt_get_axis_arg__ ("caxis", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
--- a/scripts/plot/contour.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/contour.m	Thu Nov 29 19:07:29 2007 +0000
@@ -49,12 +49,13 @@
 
 function [c, h] = contour (varargin)
 
-  [h, varargin] = __plt_get_axis_arg__ ("contour", varargin{:});
+  [xh, varargin] = __plt_get_axis_arg__ ("contour", varargin{:});
+
   oldh = gca ();
   unwind_protect
-    axes (h);
+    axes (xh);
     newplot ();
-    [ctmp, htmp] = __contour__ (h, NaN, varargin{:});
+    [ctmp, htmp] = __contour__ (xh, NaN, varargin{:});
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/contour3.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/contour3.m	Thu Nov 29 19:07:29 2007 +0000
@@ -46,18 +46,19 @@
 
 function [c, h] = contour3 (varargin)
 
-  [h, varargin, nargin] = __plt_get_axis_arg__ ("contour3", varargin{:});
+  [xh, varargin, nargin] = __plt_get_axis_arg__ ("contour3", varargin{:});
+
   oldh = gca ();
   unwind_protect
-    axes (h);
+    axes (xh);
     newplot ();
-    [ctmp, htmp] = __contour__ (h, "level", varargin{:});
+    [ctmp, htmp] = __contour__ (xh, "level", varargin{:});
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
 
   if (! ishold ())
-    set (h, "view", [-37.5, 30]);
+    set (xh, "view", [-37.5, 30]);
   endif
 
   if (nargout > 0)
--- a/scripts/plot/contourf.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/contourf.m	Thu Nov 29 19:07:29 2007 +0000
@@ -60,8 +60,11 @@
 function varargout = contourf (varargin)
 
   [ax, varargin] = __plt_get_axis_arg__ ("contourf", varargin{:});
+
   [X, Y, Z, lvl, patch_props] = parse_args (varargin);
+
   [nr, nc] = size (Z);
+
   [minx, maxx] = deal (min (X(:)), max (X(:)));
   [miny, maxy] = deal (min (Y(:)), max (Y(:)));
 
--- a/scripts/plot/errorbar.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/errorbar.m	Thu Nov 29 19:07:29 2007 +0000
@@ -111,6 +111,7 @@
 function errorbar (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("errorbar", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
--- a/scripts/plot/fill.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/fill.m	Thu Nov 29 19:07:29 2007 +0000
@@ -25,11 +25,13 @@
 ## Create one or more filled patch objects, returning a patch object for each.
 ## @end deftypefn
 
-function h = fill (varargin)
+function retval = fill (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("fill", varargin{:});
+
   htmp = [];
   iargs = __find_patches__ (varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -52,7 +54,7 @@
   end_unwind_protect
 
   if (nargout > 0)
-    h = htmp;
+    retval = htmp;
   endif
 
 endfunction
--- a/scripts/plot/grid.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/grid.m	Thu Nov 29 19:07:29 2007 +0000
@@ -41,6 +41,7 @@
   persistent minor_on = false;
 
   [ax, varargin, nargs] = __plt_get_axis_arg__ ("grid", varargin{:});
+
   if (nargs > 1)
     print_usage ();
   elseif (nargs == 0)
--- a/scripts/plot/loglog.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/loglog.m	Thu Nov 29 19:07:29 2007 +0000
@@ -30,6 +30,7 @@
 function retval = loglog (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("loglog", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -42,7 +43,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/loglogerr.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/loglogerr.m	Thu Nov 29 19:07:29 2007 +0000
@@ -41,6 +41,7 @@
 function retval = loglogerr (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("loglogerr", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -53,7 +54,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/meshz.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/meshz.m	Thu Nov 29 19:07:29 2007 +0000
@@ -32,7 +32,7 @@
   [h, varargin, nargin] = __plt_get_axis_arg__ ("meshz", varargin{:});
 
   ioff = nargin + 1;
-  for i = 1 : nargin
+  for i = 1:nargin
     if (ischar (varargin{i}))
       ioff = i;
       break;
@@ -47,8 +47,8 @@
   if (ioff == 2)
     z = varargin{1};
     [m, n] = size (z);
-    x = 1 : n;
-    y = (1 : m).';
+    x = 1:n;
+    y = (1:m).';
   else
     x = varargin{1};
     y = varargin{2};
--- a/scripts/plot/patch.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/patch.m	Thu Nov 29 19:07:29 2007 +0000
@@ -34,13 +34,12 @@
 
 ## Author: jwe
 
-function h = patch (varargin)
+function retval = patch (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("patch", varargin{:});
+
   oldh = gca ();
-  if (isnan(h))
-    h = oldh;
-  endif
+
   unwind_protect
     axes (h);
     [tmp, fail] = __patch__ (h, varargin{:});
@@ -53,7 +52,7 @@
   endif
 
   if (nargout > 0)
-    h = tmp;
+    retval = tmp;
   endif
 
 endfunction
--- a/scripts/plot/peaks.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/peaks.m	Thu Nov 29 19:07:29 2007 +0000
@@ -54,17 +54,17 @@
 
 function [X_out, Y_out, Z_out] = peaks (x, y)
 
-  if nargin == 0
-    x = y = linspace(-3,3,49);
-  elseif nargin == 1
+  if (nargin == 0)
+    x = y = linspace (-3, 3, 49);
+  elseif (nargin == 1)
     if length(x) > 1
       y = x;
     else
-      x = y = linspace(-3,3,x);
+      x = y = linspace (-3, 3, x);
     endif
   endif
 
-  if (isvector(x) && isvector(y))
+  if (isvector (x) && isvector (y))
     [X, Y] = meshgrid (x, y);
   else
     X = x;
@@ -75,9 +75,9 @@
       - 10 * (X / 5 - X .^ 3 - Y .^ 5) .* exp(- X .^ 2 - Y .^ 2) \
       - 1 / 3 * exp(- (X + 1) .^ 2 - Y .^ 2);
 
-  if nargout == 0
+  if (nargout == 0)
     mesh (x, y, Z);
-  elseif nargout == 1
+  elseif (nargout == 1)
     X_out = Z;
   else
     X_out = X;
--- a/scripts/plot/pie.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/pie.m	Thu Nov 29 19:07:29 2007 +0000
@@ -59,7 +59,6 @@
     end_unwind_protect
   endif
 
-
   if (nargout > 0)
     retval = tmp;
   endif
--- a/scripts/plot/plot.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/plot.m	Thu Nov 29 19:07:29 2007 +0000
@@ -179,6 +179,7 @@
 function retval = plot (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("plot", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
--- a/scripts/plot/plotyy.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/plotyy.m	Thu Nov 29 19:07:29 2007 +0000
@@ -60,6 +60,7 @@
   if (nargin < 4)
     print_usage ();
   endif
+
   oldh = gca ();
   unwind_protect
     axes (ax);
--- a/scripts/plot/polar.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/polar.m	Thu Nov 29 19:07:29 2007 +0000
@@ -31,6 +31,7 @@
 function retval = polar (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("polar", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -60,7 +61,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/semilogx.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/semilogx.m	Thu Nov 29 19:07:29 2007 +0000
@@ -30,6 +30,7 @@
 function retval = semilogx (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("semilogx", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -42,7 +43,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/semilogxerr.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/semilogxerr.m	Thu Nov 29 19:07:29 2007 +0000
@@ -41,6 +41,7 @@
 function retval = semilogxerr (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("semilogxerr", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -53,7 +54,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/semilogy.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/semilogy.m	Thu Nov 29 19:07:29 2007 +0000
@@ -30,6 +30,7 @@
 function retval = semilogy (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("semilogy", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
--- a/scripts/plot/semilogyerr.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/semilogyerr.m	Thu Nov 29 19:07:29 2007 +0000
@@ -41,6 +41,7 @@
 function retval = semilogyerr (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("semilogyerr", varargin{:});
+
   oldh = gca ();
   unwind_protect
     axes (h);
@@ -53,7 +54,6 @@
     if (nargout > 0)
       retval = tmp;
     endif
-
   unwind_protect_cleanup
     axes (oldh);
   end_unwind_protect
--- a/scripts/plot/surf.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/surf.m	Thu Nov 29 19:07:29 2007 +0000
@@ -29,7 +29,7 @@
 
 ## Author: Kai Habel <kai.habel@gmx.de>
 
-function h = surf (varargin)
+function retval = surf (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("surf", varargin{:});
 
@@ -48,7 +48,7 @@
   end_unwind_protect
 
   if (nargout > 0)
-    h = tmp;
+    retval = tmp;
   endif
 
 endfunction
--- a/scripts/plot/surface.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/surface.m	Thu Nov 29 19:07:29 2007 +0000
@@ -39,7 +39,7 @@
 
 ## Author: jwe
 
-function h = surface (varargin)
+function retval = surface (varargin)
 
   [h, varargin] = __plt_get_axis_arg__ ("surface", varargin{:});
 
@@ -56,8 +56,9 @@
   endif
 
   if (nargout > 0)
-    h = tmp;
+    retval = tmp;
   endif
+
 endfunction
 
 function [h, bad_usage] = __surface__ (ax, varargin)
--- a/scripts/plot/surfnorm.m	Thu Nov 29 16:46:40 2007 +0000
+++ b/scripts/plot/surfnorm.m	Thu Nov 29 19:07:29 2007 +0000
@@ -127,6 +127,7 @@
     Ny = ny;
     Nz = nz;
   endif
+
 endfunction
 
 %!demo