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changeset 22343:029c5f4eac3a

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rgbplot.m: Don't use Octave-only plot() syntax. * rgbplot.m: Call plot (x,y,'color', ...) rather than plot (y, 'color', ...) Use double quotes instead of single quotes.
author Rik <rik@octave.org>
date Thu, 18 Aug 2016 12:26:32 -0700
parents 609403f90bb7
children 046ade63abc4
files scripts/image/rgbplot.m
diffstat 1 files changed, 7 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/image/rgbplot.m	Thu Aug 18 12:17:14 2016 -0700
+++ b/scripts/image/rgbplot.m	Thu Aug 18 12:26:32 2016 -0700
@@ -29,7 +29,7 @@
 ## @item profile (default)
 ## Plot the RGB line profile of the colormap for each of the channels (red,
 ## green and blue) with the plot lines colored appropriately.  Each line
-## represents the intensity of each RGB components across the colormap.
+## represents the intensity of an RGB component across the colormap.
 ##
 ## @item composite
 ## Draw the colormap across the X-axis so that the actual index colors are
@@ -58,12 +58,13 @@
 
   switch (tolower (style))
     case "profile"
-      htmp = plot (cmap(:,1),"r", cmap(:,2),"g", cmap(:,3),"b");
-      set (gca (), 'ytick', 0:0.1:1);
-      set (gca (), 'xlim', [0 rows(cmap)]);
+      x = 1:rows (cmap);
+      htmp = plot (x,cmap(:,1),"r", x,cmap(:,2),"g", x,cmap(:,3),"b");
+      set (gca (), "ytick", 0:0.1:1);
+      set (gca (), "xlim", [0 rows(cmap)]);
     case "composite"
-      htmp = image (1:rows(cmap));
-      set (gca, 'ytick', []);
+      htmp = image (1:rows (cmap));
+      set (gca, "ytick", []);
       colormap (cmap);
     otherwise
       error ("rgbplot: unknown style '%s'", style);