VisUtils.java

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/* *********************************************************************** *
 * project: org.matsim.*                                                   *
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 * copyright       : (C) 2008 by the members listed in the COPYING,        *
 *                   LICENSE and WARRANTY file.                            *
 * email           : info at matsim dot org                                *
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *   See also COPYING, LICENSE and WARRANTY file                           *
 *                                                                         *
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package org.matsim.core.mobsim.qsim.qnetsimengine;

import java.util.ArrayList;
import java.util.List;

import org.matsim.api.core.v01.Identifiable;
import org.matsim.api.core.v01.population.Person;

final class VisUtils {
    private VisUtils() {} // only for static methods; do not instantiate

    static List<Identifiable<Person>> getPeopleInVehicle(QVehicle vehicle) {

        List<Identifiable<Person>> result = new ArrayList<>();
        result.add(vehicle.getDriver());
        result.addAll(vehicle.getPassengers());
        return result;
    }

    public static int guessLane(QVehicle veh, int numberOfLanes){
        int tmpLane;
        try {
            tmpLane = Integer.parseInt(veh.getId().toString()) ;
        } catch ( NumberFormatException ee ) {
            tmpLane = veh.getId().hashCode() ;
            if (tmpLane < 0 ){
                tmpLane = -tmpLane;
            }
        }
        return 1 + (tmpLane % numberOfLanes);
    }

    public static double calcSpeedValueBetweenZeroAndOne(QVehicle veh, double inverseSimulatedFlowCapacity, double now, double freespeed){
        int cmp = (int) (veh.getEarliestLinkExitTime() + inverseSimulatedFlowCapacity + 2.0);
        // "inverseSimulatedFlowCapacity" is there to keep vehicles green that only wait for capacity (i.e. have no vehicle
        // ahead). Especially important with small samples sizes.  This is debatable :-).  kai, jan'11

        return (now > cmp ? 0.0 : 1.0);
    }

}