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--- visual3d:documentation:pipeline:model_based_data_commands:helical_angle [2024/06/18 13:32] – sgranger
+++ visual3d:documentation:pipeline:model_based_data_commands:helical_angle [2024/07/17 15:46] (current) – created sgranger
@@ Line 1: / Line 1: @@
+====== Helical Angle ======
 A [[Visual3D:Documentation:Pipeline:Model_Based_Data_Commands:Joint_Angle|Joint Angle]] is the transformation between two coordinate system that is described by a rotation matrix.
 This rotation matrix is rarely used to report the joint angle. From the rotation matrix several different representations are possible, such as Cardan/Euler angle, Helical angle, Quaternion. All representations of the transformation are equivalent but the interpretation of the joint angle relative to the anatomy varies with the description.
-{{HelicalAngleDlg.jpg}}
+{{:HelicalAngleDlg.jpg}}
 The helical angle calculation is output as vector rather than a unit vector and an angle of rotation.
@@ Line 14: / Line 16: @@
-====== Joint Angle Lecture ======
+===== Joint Angle Lecture =====
 Joint angle lecture prepared by Tom Kepple when he was teaching at the University of Delaware. [[[https://www.has-motion.com/download/examples/JointAnglesLecture.pdf|Joint Angle Lecture]]]
-====== Helical Axis ======
+===== Helical Axis =====
 Is possible to calculate a helical axis (vector and angle) in Visual 3D?