# HG changeset patch
# User jwe
# Date 1167242014 0
# Node ID ba9db82d85a888372976c70f28989f7443d1a435
# Parent  c1b66b74937d148b2b59efd053c7d09c5944173d
[project @ 2006-12-27 17:53:34 by jwe]

diff -r c1b66b74937d -r ba9db82d85a8 scripts/ChangeLog
--- a/scripts/ChangeLog	Wed Dec 27 17:43:51 2006 +0000
+++ b/scripts/ChangeLog	Wed Dec 27 17:53:34 2006 +0000
@@ -1,3 +1,7 @@
+2006-12-27  Søren Hauberg  <hauberg@gmail.com>
+
+	* image/imshow.m: Strip NaNs from image.
+
 2006-12-08  David Bateman  <dbateman@free.fr>
 
 	* sparse/normest.m: New file.
diff -r c1b66b74937d -r ba9db82d85a8 scripts/image/imshow.m
--- a/scripts/image/imshow.m	Wed Dec 27 17:43:51 2006 +0000
+++ b/scripts/image/imshow.m	Wed Dec 27 17:53:34 2006 +0000
@@ -130,6 +130,13 @@
     im = real (im);
   endif
   
+  nans = isnan (im(:));
+  if (any (nans))
+    warning ("Octave:imshow-NaN",
+	     "imshow: pixel with NaN or NA values are set to zero");
+    im(nans) = display_range(1);
+  endif
+
   ## Scale the image to the interval [0, 1] according to display_range.
   if (! isindexed)
     low = display_range(1);