# HG changeset patch
# User jwe
# Date 1198258895 0
# Node ID 3ed85de5922cda754571fe15a67008238b4078d8
# Parent  55f35e469c43745ef7e00277097a3e089bc83bf3
[project @ 2007-12-21 17:40:20 by jwe]

diff -r 55f35e469c43 -r 3ed85de5922c scripts/ChangeLog
--- a/scripts/ChangeLog	Thu Dec 20 17:53:36 2007 +0000
+++ b/scripts/ChangeLog	Fri Dec 21 17:41:35 2007 +0000
@@ -1,3 +1,7 @@
+2007-12-21  Soren Hauberg  <hauberg@gmail.com>
+
+	* image/imshow.m: Accept empty value for display_range.
+
 2007-12-20  Michael Goffioul <michael.goffioul@gmail.com>
 
 	* pkg/pkg.m: Add .lib as architecture-dependent suffix.
diff -r 55f35e469c43 -r 3ed85de5922c scripts/image/imshow.m
--- a/scripts/image/imshow.m	Thu Dec 20 17:53:36 2007 +0000
+++ b/scripts/image/imshow.m	Fri Dec 21 17:41:35 2007 +0000
@@ -92,7 +92,7 @@
   while (narg <= numel (varargin))
     arg = varargin{narg++};
     if (isnumeric (arg))
-      if (numel (arg) == 2)
+      if (numel (arg) == 2 || isempty (arg))
 	display_range = arg;
       elseif (columns (arg) == 3)
 	indexed = true;
diff -r 55f35e469c43 -r 3ed85de5922c scripts/plot/contour.m
--- a/scripts/plot/contour.m	Thu Dec 20 17:53:36 2007 +0000
+++ b/scripts/plot/contour.m	Fri Dec 21 17:41:35 2007 +0000
@@ -76,7 +76,7 @@
 %! contour (x, y, z);
 
 %!demo
-%! [th, r] = meshgrid (linspace (0, 2*pi, 64), 0:.05:0.9);
-%! [X, Y] = pol2cart (th, r);
-%! f = ((X + i*Y).^4 - 1).^(1/4);
-%! contour(X, Y, abs(f), 16)
+%! [theta, r] = meshgrid (linspace (0, 2*pi, 64), linspace(0,1,64));
+%! [X, Y] = pol2cart (theta, r);
+%! Z = sin(2*theta).*(1-r);
+%! contour(X, Y, abs(Z), 10)
diff -r 55f35e469c43 -r 3ed85de5922c scripts/plot/contourf.m
--- a/scripts/plot/contourf.m	Thu Dec 20 17:53:36 2007 +0000
+++ b/scripts/plot/contourf.m	Fri Dec 21 17:41:35 2007 +0000
@@ -260,7 +260,7 @@
 %! contourf (x, y, z, -7:9)
 
 %!demo
-%! [th, r] = meshgrid (linspace (0, 2*pi, 64), 0:.05:0.9);
-%! [X, Y] = pol2cart (th, r);
-%! f = ((X + i*Y).^4 - 1).^(1/4);
-%! contourf(X, Y, abs(f), 16)
+%! [theta, r] = meshgrid (linspace (0, 2*pi, 64), linspace(0,1,64));
+%! [X, Y] = pol2cart (theta, r);
+%! Z = sin(2*theta).*(1-r);
+%! contourf(X, Y, abs(Z), 10)