// Set the "final" versions of tile variables with the results.
maximumTile = tmpMaximumTile;
minimumTile = tmpMinimumTile;
// Create the id trackers.
nodeIdTracker = new DynamicIdTracker();
wayIdTracker = new DynamicIdTracker();
relationIdTracker = new DynamicIdTracker();
externalNodeIdTracker = new DynamicIdTracker();
}