In order to calibrate my camera in ATAN model, I use the calibration tool in this PTAM package. I try to run this in ROS env, so I try to install PTAM without ROS and it is ok to run. README_PTAM Install TooN (from http://www.edwardrosten.com/cvd/toon/html-user/index.html#sDownload) [crayon-6af5032b4a80d690518689/] [crayon-6af5032b4a828098302130/] [crayon-6af5032b4a82b787429284/] Error: [crayon-6af5032b4a82d129134526/] This Error can be skipped,