TuioReactivision

Component Type: Sensor (Subcategory: Computer Vision)

This component integrates reacTIVision into AsTeRICS

TuioReactivision plug-in

Requirements

This component requires that the reacTIVision.exe is running --> Download: http://reactivision.sourceforge.net/. It can either be started manually, with the ApplicationLauncher plug-in or via a reference in the tuioReactivision plug-in’s property “reactivisionPath”

Output Port Description

• Marker ID [Integer]: The fiducial marker’s ID
• Session ID [Float]]: Temporary object ID
• xPos [Float]: The marker’s position on the x-axis
• yPos [Float]: The marker’s position on the y-axis
• angel [Float]: The marker’s angle
• motion speed [Float]: Movement vector which shows the marker’s motion speed
• rotation speed [Float]: Rotation vector which shows the marker’s rotation speed
• motionAccel [Float]: The marker’s motion acceleration
• rotationAccel [Float]: The marker’s rotation acceleration
• Text [String]: Sends the text assigned to the marker which is recognised on the display

Properties

• Text Output [Boolean]: If it is true, a string can be assigned to a marker. Therefor, a text file is necessary
• Marker Allocation [Boolean]: If it is true, an event port can be assigned to a marker. Therefor, a text file is necessary. Only Text Output or Marker Allocation can be true
• reactivisionPath [Boolean]: Contains the path to the reacTIVision.exe
• Text File [String]: Contains the path of the text file in which the marker is either assigned to a text or an event port (e.g. “1-3” marker three is assigned to event trigger one )

Examplary text file when a marker should be assigned to a string (Marker number is on the left side)

Examplary text file ehen a marker should be assigned to an integer (Marker number is on the right side)

Event Trigger

• Event Trigger Port 1-6 can only be used when marker allocation is true.