The code work wells for ros kinetic/ubuntu 16.04 too.
However, please add the code below for the window to refresh and show:
file: lidar_node.cpp
line 143 // Display iamge
line 144 cv::imshow("Height Map", *heightmap);
line 145 (+) cv::waitKey(1);
Note: However, there is no such requirement for my ros indigo/ubuntu 14.04 docker.
The code work wells for ros kinetic/ubuntu 16.04 too.
However, please add the code below for the window to refresh and show:
file: lidar_node.cpp
line 143 // Display iamge
line 144 cv::imshow("Height Map", *heightmap);
line 145 (+) cv::waitKey(1);
Note: However, there is no such requirement for my ros indigo/ubuntu 14.04 docker.