Online documentation for VideoARToolkitGlyphTracker

Generated 2006-03-17

ARToolkit vision framework component, to track ARToolkit glyphs.

Summary

ARToolkit vision framework component, using jARToolkit v2.0 Java wrapper for ARToolkit to track ARToolkit glyphs.

Installation

See http://www.hitl.washington.edu/artoolkit/ and http://www.c-lab.de/jartoolkit/ and http://sourceforge.net/projects/jartoolkit/ download. Multiple instances in the same JVM share the same ARToolkit instance and will not re-evaluate the same frame. Config files are in resources/ARToolkit (=install/ARToolkit).

Configuration

Create one instance per glyph to be tracked. Configure using properties:
threshold - match threshold - can leave as default
glyphUrl - URL (probably HTTP) of ARToolkit pattern file of the glyph to be watched for by this instance
cameraConfigUrl - URL of ARToolkit camera configuration file

Link source from a CaptureDevice component to the ARToolkit component's sink.

Usage

Current outputs are:
glyphVisible (boolean) - has the glyph been recognised in the most recent frame
glyphTransform (current String) - actually a space-separated list of doubles result from ARToolkit getTransMatrix (current with width 80 and centre 0)

Technical Details

No technical details given