From bbbd57d6c1a407b73592201d4df637fb0e6bcdb7 Mon Sep 17 00:00:00 2001
From: Gary Bradski <no@email>
Date: Wed, 1 Dec 2010 19:58:01 +0000
Subject: [PATCH] added an example call

---
 samples/c/facedetect.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/samples/c/facedetect.cpp b/samples/c/facedetect.cpp
index 4fbe055e97..9e12eaa8fc 100644
--- a/samples/c/facedetect.cpp
+++ b/samples/c/facedetect.cpp
@@ -10,13 +10,16 @@ using namespace cv;
 
 void help()
 {
-    cout << "\n This program demonstrates the haar cascade recognizer\n"
+    cout << "\nThis program demonstrates the haar cascade recognizer\n"
     		"this classifier can recognize many ~rigid objects, it's most known use is for faces.\n"
     	"Usage:\n"
-    	"./facedetect [--cascade=<cascade_path>]\n"
-        "   [--nested-cascade[=nested_cascade_path]]\n"
-        "   [--scale=<image scale greater or equal to 1>\n"
-        "   [filename|camera_index]\n" << endl;;
+    	"./facedetect [--cascade=<cascade_path> this is the primary trained classifier such as frontal face]\n"
+        "   [--nested-cascade[=nested_cascade_path this an optional secondary classifier such as eyes]]\n"
+        "   [--scale=<image scale greater or equal to 1, try 1.3 for example>\n"
+        "   [filename|camera_index]\n\n"
+    		"see facedetect.cmd for one call:\n"
+    		"./facedetect --cascade=\"../../data/haarcascades/haarcascade_frontalface_alt.xml\" --nested-cascade=\"../../data/haarcascades/haarcascade_eye.xml\" --scale=1.3 \n"
+    	"Hit any key to quit.\n" << endl;
 }
 
 void detectAndDraw( Mat& img,