NetTranslater.java

Go to the documentation of this file.

package ns2;

import java.util.List;
import java.util.Map;

public class NetTranslater {
    public static void translate(List<Edge> edges, Map<String, Junction> junctions) {
        // scan coordinates
        float xmin = 0;
        float ymin = 0;
        boolean first = true;
        for (Junction junction: junctions.values())
        {
            if (first)
            {
                first = false;
                xmin  = junction.x;
                ymin  = junction.y;
            }
            else
            {
                xmin = Math.min(xmin, junction.x);
                ymin = Math.min(ymin, junction.y);
            }
        }
        // translate if needed
        if (xmin < 0 || ymin < 0) {
            for (Junction junction: junctions.values())
            {
                junction.x -= xmin;
                junction.y -= ymin;
            }
            for (Edge edge: edges) {
                for (Lane lane: edge.lanes.values())
                {
                    lane.xfrom -= xmin;
                    lane.xto   -= xmin;
                    lane.yfrom -= ymin;
                    lane.yto   -= ymin;
                }
            }           
        }
    }
}