From 3e9d5bba85d148a13fb402a7a1775d8b59479815 Mon Sep 17 00:00:00 2001 From: Robert Ennis Date: Fri, 26 Jul 2024 20:28:38 +0200 Subject: [PATCH] make it easier for users to learn why it is "-90 - 12" for scene->to->imu --- alpha-lab/imu-transformations/index.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/alpha-lab/imu-transformations/index.md b/alpha-lab/imu-transformations/index.md index 0c5c27ca5..7a52248ca 100644 --- a/alpha-lab/imu-transformations/index.md +++ b/alpha-lab/imu-transformations/index.md @@ -165,6 +165,8 @@ def gaze_scene_to_world(gaze_elevations, gaze_azimuths, imu_quaternions): # The IMU and scene camera coordinate systems have a fixed # 102 degree rotation offset. + # See: + # https://docs.pupil-labs.com/neon/data-collection/data-streams/#movement-imu-data imu_scene_rotation_diff = np.deg2rad(-90 - 12) # This matrix send points in the scene camera coordinate