diff --git a/include/loop_detector.h b/include/loop_detector.h
index 4e92ff8..ebb57b7 100644
--- a/include/loop_detector.h
+++ b/include/loop_detector.h
@@ -24,6 +24,14 @@ public:
     vector<vector<glm::vec3>> f_tangent_u;
     vector<vector<glm::vec3>> f_tangent_v;
 
+    // 有向距离计算结果。有向距离通过采样的方式计算，其结果与s曲面sub patch中的采样网格规模相同，即与s_evaluation大小一致
+//    vector<vector<glm::vec3>> distance;
+    // 确定有向距离后，对应的f曲面上的最短距离点的位置
+    vector<vector<pair<int, int>>> selectedPointsIdx;
+    // vector fields, 即有向距离关于u、v的导数
+    vector<vector<glm::vec2>> vectorFields;
+    vector<vector<int>> rotationNumbers;
+
 //    int subPatchEdgeSampleCnt;  // 在一个sub patch的采样网格中，边上的采样点个数
 //    void init(tinynurbs::RationalSurface<float> _s, tinynurbs::RationalSurface<float> _f, int _maxSplitLayer);
     vector<pair<int, int>> detect(pair<int, int> _s_subPatchIdxRange_u, pair<int, int> _s_subPatchIdxRange_v,
@@ -44,13 +52,6 @@ private:
     // 整个曲面一条边上的采样点个数
     int edgeSampleCnt;
 
-    // 有向距离计算结果。有向距离通过采样的方式计算，其结果与s曲面sub patch中的采样网格规模相同，即与s_evaluation大小一致
-//    vector<vector<glm::vec3>> distance;
-    // 确定有向距离后，对应的f曲面上的最短距离点的位置
-    vector<vector<pair<int, int>>> selectedPointsIdx;
-    // vector fields, 即有向距离关于u、v的导数
-    vector<vector<glm::vec2>> vectorFields;
-
     void initEvaluation();
 
     void initOrientedDistance();
diff --git a/main.cpp b/main.cpp
index 8c80ed9..726e22c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -54,24 +54,13 @@ int main() {
     // 这里范围真包含于[0, 31]
     loopDetector.detect({3, 11}, {4, 11}, {2, 7}, {6, 15});
 
-    glm::vec3 a(2, 3, 4);
-    glm::vec3 b(3, 7, 1);
-    auto nab = glm::normalize(a - b);
-    auto res = nab * (a - b);
-    auto ab = a * b;
-    cout << res.x << ", " << res.y << ", " << res.z << endl;
-    cout << nab.x << ", " << nab.y << ", " << nab.z << endl;
-    cout << ab.x << ", " << ab.y << ", " << ab.z << endl;
-    std::cout << "Hello, World!" << std::endl;
-    auto m = glm::mat2x2(1, 2, 3, 4);
-    cout << m[0][0] << " " << m[0][1] << endl;
-    auto dotRes = glm::dot(a, b);
-    cout << dotRes << endl;
+    // 结果
+    for (const auto& line: loopDetector.rotationNumbers) {
+        for (const auto& el: line) {
+            cout << el << " ";
+        }
+        cout << endl;
+    }
 
-    cout<<isnan(glm::normalize(glm::vec3(0, 0, 0)).x)<<endl;
-    cout<<isnan(1.)<<endl;
-//    auto m1 = glm::mat2(1., 2.);
-
-    cout<<round(3.7)<<" "<<round(3.5657567658)<<" "<<round(3.2)<<" "<<round(3.0)<<endl;
     return 0;
 }
diff --git a/src/loop_detector.cpp b/src/loop_detector.cpp
index ddde204..70feb88 100644
--- a/src/loop_detector.cpp
+++ b/src/loop_detector.cpp
@@ -150,6 +150,9 @@ void LoopDetector::getRotationNumber() {
 
             rotationNumber = 2 * atan(double (v11.x/v11.y)) - 2 * atan(double(v00.x/v00.y));
             rotationNumber /= (2 * PI);
+
+            rotationNumbers[i][j] = int(round(rotationNumber));
+
             printf("rotationNumber: %lf\n", rotationNumber);
         }
     }