TrackData

Type	Description
file	Tracking data loaded from a file
embedded	Tracking data supplied in the `TrackData` message
http	Load data via HTTP (JSON encoded)
stringvariable	Load data via a StringVariable (JSON encoded)
variable	Load data for one single frame from a PointsVariable
keyframe	Data from an array of KeyFrameTrackData objects

A TrackData message that uses data from a file

Field name	Field type	Description
Required fields
type	TrackData.Type	`file`
source	FileLocation	a `FileLocation` indicating the file to use
Optional fields
offset	int	Frame offset
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)
failfast	bool	Abort rendering on any error in the motion tracking data
PointsVariable	points

A TrackData message with motion data embedded.

Field name	Field type	Description
Required fields
type	TrackData.Type	`embedded`
embeddeddata	EmbeddedTrackData
Optional fields
offset	int	Frame offset
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)
failfast	bool	Abort rendering on any error in the motion tracking data

A data message for use with a embedded TrackData message.

Field name	Field type	Description
Required fields
frames	PointsVector [ ]	Array of Point Data
Optional fields
width	int	Width of the grid (Grid mapping only)
height	int	Width of the grid (Grid mapping only)
motionstart	Point	Precomputed motion (Internal)
motionend	Point	Precomputed motion (Internal)

A TrackData message that fetches data in JSON format via HTTP

Field name	Field type	Description
Required fields
type	TrackData.Type	`http`
source	FileLocation	a `FileLocation` indicating the file to use
Optional fields
offset	int	Frame offset
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)
failfast	bool	Abort rendering on any error in the motion tracking data

A TrackData message that fetches data in JSON Format from a StringVariable

Field name	Field type	Description
Required fields
type	TrackData.Type	`stringvariable`
string	StringVariable	a `StringVariable` pointing to the data
Optional fields
offset	int	Frame offset
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)
failfast	bool	Abort rendering on any error in the motion tracking data

A TrackData message that gets one data set from a PointsVariable

Field name	Field type	Description
Required fields
type	TrackData.Type	`variable`
points	PointVariable	a `PointVariable` pointing to the data
Optional fields
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)
failfast	bool	Abort rendering on any error in the motion tracking data

A TrackData message that gets data form a an array of KeyframeTrackData

Field name	Field type	Description
Required fields
type	TrackData.Type	`keyframe`
keyframes	KeyframeTrackData []	Array of `KeyframeTrackData`
Optional fields
scale	double []	Scale all values by scale[0] (x values), scale[1] (y values)