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| -rw-r--r-- | src/hdfsee.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/hdfsee.c b/src/hdfsee.c index 73373928..0ec15212 100644 --- a/src/hdfsee.c +++ b/src/hdfsee.c @@ -44,6 +44,9 @@ static void show_help(const char *s) " sets all pixels in each 3x3 region to\n" " zero if any of them have negative\n" " values.\n" +" --show-rings Overlay rings that indicate resolution.\n" +" --simple-rings=XX,YY,... Overlay rings at specified radii XX, YY, ...\n" +" in pixel units.\n" " -c, --colscale=<scale> Use the given colour scale. Choose from:\n" " mono : Greyscale, black is zero.\n" " invmono : Greyscale, white is zero.\n" |