From: cristy <urban-warrior@git.imagemagick.org>
Date: Fri, 14 Sep 2012 17:12:40 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~4947
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b5c691ec2b4b726cde507498a7c288ae4d894246;p=imagemagick

---

diff --git a/MagickWand/operation.c b/MagickWand/operation.c
index 224cf486d..ce2f250fe 100644
--- a/MagickWand/operation.c
+++ b/MagickWand/operation.c
@@ -2535,6 +2535,8 @@ static void CLISimpleOperatorImage(MagickCLI *cli_wand,
           flags=ParseGeometry(arg1,&geometry_info);
           if ((flags & (RhoValue|SigmaValue)) == 0)
             CLIWandExceptArgBreak(OptionError,"InvalidArgument",option,arg1);
+          if ((flags & SigmaValue) == 0)
+            geometry_info.sigma=1.0;
           if ((flags & PercentValue) != 0)
             geometry_info.xi=(double) QuantumRange*geometry_info.xi/100.0;
           new_image=AdaptiveThresholdImage(_image,(size_t) geometry_info.rho,