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PPT X Details

PPT X8 (8 Sensors)

The eight sensor system includes eight optical sensors, a PPT processor computer with control software, cable connections, and eight infrared targets. The advantages over the four sensor system are 1) tracks eight targets at a time, 2) maximum coverage of tracking workspace (practically no "dead" tracking zones), 3) optimal elimination of line-of-sight occlusion, 4) optimal robustness and precision.

PPT X4 (4 sensor system)

The four sensor system includes four optical sensors, the PPT X4 processing unit, the easy-to-use PPT motion capture software, cable connections, and two infrared targets. The advantages over the two sensor system are 1) fuller coverage of tracking workspace (no "dead" tracking zones), 2) elimination of line-of-sight occlusion, and 3)  increased robustness and precision.

PPT X2 (2 sensor system)

When economic considerations are foremost, the 2 sensors PPT includes two optical sensors, the PPT X2 processing unit, the easy-to-use PPT motion capture software, cable connections, and two infrared targets.

Ease of Use

The intuitive graphical user interface includes a wizard for instant calibration using a digital calibration board. PPT directly connects to the WorldViz Vizard VR toolkit. Dll for Windows, and C source library for Linux included. Simple streaming or polling via RS-232 serial port 115.2kbs interface.

Features:
  • Camera range up to 15 meters *
  • Instant calibration
  • Fully wireless targets
  • Portable: 8 sensors in 1 briefcase
  • Up to 8 optical sensors
  • Sub-millimeter precision
  • Full 3DOF position tracking, or 6DOF position and orientation with optional sensor cubes
  • Less than 20 milliseconds latency
  • Easy installation
  • Resilience to metallic interference
  • No strobe lights needed
  • Competitive price

(*) For a marker to be tracked, it must be visible by two or more cameras. Overall tracking space dimensions are determined by the camera range, camera layout, and background lighting

Position & Orientation Tracking

Are you looking for a 6DOF integrated position & orientation real-time tracking solution? WorldViz recommends combining PPT with an inertial orientation technology such as the InertiaCube²? by InterSense. This hybrid system has proven itself as one of the most powerful and highly reliable full tracking solutions currently available.

Worldviz PPT Calibration Rig
Calibration

Takes 3 minutes. All systems come with an automatic calibration rig (shown below) that automatically calibrates the entire system - all three axes.

Specifications
Sensor type CCD
Degrees of freedom 3DOF position - standard optical only / 6DOF incl orientation - with optional sensor
Maximum camera range 15 meters *
Suggested tracking space 10 x 10 x 10 meters *
Number of targets Up to eight independent 3DOF bodies
Precision < 1 millimeter over 3 x 3 x 3 m volume
Accuracy < 0.5 centimeter over 3 x 3 x 3 m volume
Field of view 68 degrees horizontal
Calibration 3 minute process using digital calibration board
Update rate 60 Hz
Minimum latency 18 milliseconds
Interface RS-232, 115.2 kbs, streamed or polled
Ambient conditions Indoor fluorescent only
Size & weight Processor 420 x 370 x 180 mm (10 kg)
Size & weight Sensors 160 x 70 x 60 mm (500 g)
Size & weight Targets 3 x 3 x 5 mm (2 g)
Software support Directly connect to WorldViz Vizard VR toolkit

(*) For a marker to be tracked, it must be visible by two or more cameras. Overall tracking space dimensions are determined by the camera range, camera layout, and background lighting