From 1317f6feaf92ba3e0c41a56c8a3d9d34a2e029b2 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 4 Jan 2003 20:43:53 +0000
Subject: [PATCH] Added usage info in -O option.

---
 src/Demos/sgv/sgv.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Demos/sgv/sgv.cpp b/src/Demos/sgv/sgv.cpp
index d86091de1..3a10a38ca 100644
--- a/src/Demos/sgv/sgv.cpp
+++ b/src/Demos/sgv/sgv.cpp
@@ -68,6 +68,9 @@ void write_usage(std::ostream& out,const std::string& name)
     out <<"                          done with -l above, as it automatically expands to"<< std::endl;
     out <<"                          the full library name appropriate for each platform."<< std::endl;
     out <<std::endl;
+    out <<"    -O \"options string\" - create an options string to pass to the reader/wrter "<< std::endl;
+    out <<"                          for controlling reading and writing parameters."<< std::endl;
+    out <<std::endl;
     out <<"    -stereo             - switch on stereo rendering, using the default of,"<< std::endl;
     out <<"                          ANAGLYPHIC or the value set in the OSG_STEREO_MODE "<< std::endl;
     out <<"                          environmental variable. See doc/stereo.html for "<< std::endl;