5 files changed, 7 insertions, 4 deletions
diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp
index 6ff19479..2e6fd9b1 100644
--- a/tracker-pt/ftnoir_tracker_pt.cpp
+++ b/tracker-pt/ftnoir_tracker_pt.cpp
@@ -63,7 +63,6 @@ bool Tracker_PT::get_focal_length(float& ret)
     const bool res = camera.get_info(info);
     if (res)
     {
-        static constexpr double pi = 3.14159265359;
         const int w = info.res_x, h = info.res_y;
         const double diag = sqrt(1. + h/(double)w * h/(double)w);
         const double diag_fov = static_cast<int>(s.fov) * pi / 180.;
diff --git a/tracker-pt/ftnoir_tracker_pt.h b/tracker-pt/ftnoir_tracker_pt.h
index b6815bd7..d3b96f1d 100644
--- a/tracker-pt/ftnoir_tracker_pt.h
+++ b/tracker-pt/ftnoir_tracker_pt.h
@@ -31,6 +31,8 @@ class TrackerDialog_PT;
 // Constantly processes the tracking chain in a separate thread
 class Tracker_PT : public QThread, public ITracker
 {
+    static constexpr double pi = 3.14159265359;
+
     Q_OBJECT
     friend class camera_dialog;
     friend class TrackerDialog_PT;
diff --git a/tracker-pt/point_extractor.h b/tracker-pt/point_extractor.h
index 3e4661f9..b3fac38a 100644
--- a/tracker-pt/point_extractor.h
+++ b/tracker-pt/point_extractor.h
@@ -28,7 +28,9 @@ public:
     
     settings_pt s;
 private:
-    enum { hist_c = 2 };
+    static constexpr double pi = 3.14159265359;
+    static constexpr int hist_c = 1;
+
     std::vector<cv::Vec2f> points;
     QMutex mtx;
     cv::Mat frame_gray;
diff --git a/tracker-pt/point_tracker.cpp b/tracker-pt/point_tracker.cpp
index d3a3d400..1fb4128e 100644
--- a/tracker-pt/point_tracker.cpp
+++ b/tracker-pt/point_tracker.cpp
@@ -13,8 +13,6 @@
 
 #include <QDebug>
 
-const float PI = 3.14159265358979323846f;
-
 static void get_row(const cv::Matx33f& m, int i, cv::Vec3f& v)
 {
     v[0] = m(i,0);
diff --git a/tracker-pt/point_tracker.h b/tracker-pt/point_tracker.h
index f964a107..e3f6cdb9 100644
--- a/tracker-pt/point_tracker.h
+++ b/tracker-pt/point_tracker.h
@@ -118,6 +118,8 @@ public:
     Affine pose() { QMutexLocker l(&mtx); return X_CM; }
     cv::Vec2f project(const cv::Vec3f& v_M, float f);
 private:
+    static constexpr float PI = 3.14159265358979323846f;
+
     // the points in model order
     struct PointOrder
     {