From 710617034ba4840d3d007e3444a03d84b6f5e423 Mon Sep 17 00:00:00 2001
From: Vladislav Vinogradov <vlad.vinogradov@itseez.com>
Date: Mon, 12 Jan 2015 11:26:07 +0300
Subject: [PATCH] remove unused function from pyrlk_optical_flow sample

---
 samples/gpu/pyrlk_optical_flow.cpp | 38 ------------------------------
 1 file changed, 38 deletions(-)

diff --git a/samples/gpu/pyrlk_optical_flow.cpp b/samples/gpu/pyrlk_optical_flow.cpp
index 9074c47b68..f13487b622 100644
--- a/samples/gpu/pyrlk_optical_flow.cpp
+++ b/samples/gpu/pyrlk_optical_flow.cpp
@@ -77,44 +77,6 @@ template <typename T> inline T mapValue(T x, T a, T b, T c, T d)
     return c + (d - c) * (x - a) / (b - a);
 }
 
-static void getFlowField(const Mat& u, const Mat& v, Mat& flowField)
-{
-    float maxDisplacement = 1.0f;
-
-    for (int i = 0; i < u.rows; ++i)
-    {
-        const float* ptr_u = u.ptr<float>(i);
-        const float* ptr_v = v.ptr<float>(i);
-
-        for (int j = 0; j < u.cols; ++j)
-        {
-            float d = max(fabsf(ptr_u[j]), fabsf(ptr_v[j]));
-
-            if (d > maxDisplacement)
-                maxDisplacement = d;
-        }
-    }
-
-    flowField.create(u.size(), CV_8UC4);
-
-    for (int i = 0; i < flowField.rows; ++i)
-    {
-        const float* ptr_u = u.ptr<float>(i);
-        const float* ptr_v = v.ptr<float>(i);
-
-
-        Vec4b* row = flowField.ptr<Vec4b>(i);
-
-        for (int j = 0; j < flowField.cols; ++j)
-        {
-            row[j][0] = 0;
-            row[j][1] = static_cast<unsigned char> (mapValue (-ptr_v[j], -maxDisplacement, maxDisplacement, 0.0f, 255.0f));
-            row[j][2] = static_cast<unsigned char> (mapValue ( ptr_u[j], -maxDisplacement, maxDisplacement, 0.0f, 255.0f));
-            row[j][3] = 255;
-        }
-    }
-}
-
 int main(int argc, const char* argv[])
 {
     const char* keys =