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David Tadres requested to merge Enh_undistort_points into master

  1. Optimized undistort video by using rectifymap and remap.

  2. Option to do undistort centroid, head, tail and midpoint during online tracking (#64 (closed) )

  3. Option to select standard or own mtx/dst file for undistort.

  4. Found bug in midpoint assignment: The skeleton_x and skeleton_y array was sometimes not sorted. Fixed by using np.sort()

  5. Completely changed how PiVR is installed on the Raspberry Pi: The new installation uses pip and also installs cv2 which is necessary for online-undistort.

  6. Option for user to easily add own undistort calibration files.

  7. Added info about bad batches of camera cables leading to confusing errors to FAQ.

  8. Title reflects whether cv2 is installed or not for easy troubleshooting.

  9. Changed frame based time dependent stimulus to time dependent stimulus. (#69 (closed) )

  10. Added FAQ for camera interference (#68 (closed) ).

  11. Changed python version during software installation to address (#60 (closed) ).

  12. Fixed two minor bugs: (1) After running VR experiment it wasn't possible to to run a tracking experiment. (2) If user pressed 'Cam On' twice a second camera overlay would be created if VR arena was chosen.

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