VM

 

The VM function returns the absolute velocity of one marker or the absolute value of the relative velocity between two markers.

 

Format

 

Arguments definition

Marker1

The name or argument number of a marker to be calculated

Marker2

The name or argument number of a marker to be calculated

     If omitted, then the InertiaMarker is applied.

Marker3

The name or argument number of the reference marker that will serve as the standard for direction

     Marker3 must be the same value as Marker2. If omitted, then the InertiaMarker is applied.

 

Formulation

: Marker1's velocity vector from Marker3

: Marker2's velocity vector from Marker3

 

Example

VM (body1.marker1)

VM (body1.marker1, body2.marker2)

VM(body1.marker1, body2.marker2, body2.marker2)

VM (1,2,2) <Argument: (1)body1.marker1, (2)body2.marker2>