diff options
Diffstat (limited to 'ftnoir_tracker_pt/ftnoir_tracker_pt.cpp')
| -rw-r--r-- | ftnoir_tracker_pt/ftnoir_tracker_pt.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp index 252a7456..8c478824 100644 --- a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp +++ b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp @@ -72,7 +72,7 @@ float Tracker_PT::get_focal_length() const int w = info.res_x, h = info.res_y; const double diag = sqrt(w * w + h * h)/w; const double fov = 2.*atan(tan(diag_fov/2.0)/sqrt(1. + diag*diag)); - return w*.5 / tan(.5 * fov); + return .5 / tan(.5 * fov); } void Tracker_PT::run() @@ -125,17 +125,18 @@ void Tracker_PT::run() for (unsigned i = 0; i < points.size(); i++) { auto& p = points[i]; + auto p2 = cv::Point(p[0] * frame.cols + frame.cols/2, -p[1] * frame.cols + frame.rows/2); cv::Scalar color(0, 255, 0); if (i == points.size()-1) color = cv::Scalar(0, 0, 255); cv::line(frame, - cv::Point(p[0] - 20, p[1]), - cv::Point(p[0] + 20, p[1]), + cv::Point(p2.x - 20, p2.y), + cv::Point(p2.x + 20, p2.y), color, 4); cv::line(frame, - cv::Point(p[0], p[1] - 20), - cv::Point(p[0], p[1] + 20), + cv::Point(p2.x, p2.y - 20), + cv::Point(p2.x, p2.y + 20), color, 4); } |