private Point computePosition() {
		int xSum = 0;
		int ySum = 0;
		int nbrOfMarkers = this.markers.size();
		for (int index = 0; index < nbrOfMarkers; index++) {
			AbstractMarkerModel marker = this.markers.get(index);
			xSum += marker.getXPointerPosition() * marker.getNumberOfLocations();
			ySum += marker.getYPointerPosition() * marker.getNumberOfLocations();
		}
		int averageX = xSum / this.getNumberOfLocations();
		int averageY = ySum / this.getNumberOfLocations();
		return new Point(averageX, averageY);
	}