--- a/include/Motion.hpp	Tue Aug 30 13:04:36 2011 -0400
+++ b/include/Motion.hpp	Tue Aug 30 13:38:31 2011 -0400
@@ -12,7 +12,7 @@
     before saving. */
 class FeatureTrajectory {
 public:
-  FeatureTrajectory(const int& frameNum, const cv::Point2f& p);
+  FeatureTrajectory(const int& frameNum, const cv::Point2f& p, const cv::Mat& homography);
 
   unsigned int length(void) const { return positions.size();}
 
@@ -24,14 +24,14 @@
   /// indicates whether the last two displacements are smooth (limited acceleration and angle)
   bool motionSmooth(const int& accelerationBound, const int& deviationBound) const;
 
-  void addPoint(const int& frameNum, const cv::Point2f& p);
+  void addPoint(const int& frameNum, const cv::Point2f& p, const cv::Mat& homography);
 
   void shorten(void);
 
   void write(TrajectoryDBAccess<cv::Point2f>& trajectoryDB, const string& positionsTableName, const string& velocitiesTableName) const;
 
 #ifdef USE_OPENCV
-  void draw(cv::Mat& img, const cv::Scalar& color) const;
+  void draw(cv::Mat& img, const cv::Mat& homography, const cv::Scalar& color) const;
 #endif
 
 protected: