package org.wamblee.gps.track;

public interface TrackFilter {

    /**
     * Version number of the track filter. If the version changes then the 
     * filter has been modified.
     * @return Version. 
     */
    int version(); 
    
    /**
     * Filter the track. 
     * @param aTrack Track to filter.
     * @return Filtered track.
     */
    Track filter(Track aTrack);
}