cv::viz::WCoordinateSystem world_coord(1.0), camera_coord(0.5);
window.showWidget("Coordinate", world_coord);
myWindow.showWidget(“Coordinate Widget”,viz :: WCoordinateSystem());
cv::viz::WCoordinateSystem world_coord(1.0), camera_coord(0.5);
window.showWidget("Coordinate", world_coord);
myWindow.showWidget(“Coordinate Widget”,viz :: WCoordinateSystem());