package org.opentrafficsim.demo.ntm.fundamentaldiagrams; import java.awt.geom.Point2D; import java.util.ArrayList; import org.djunits.unit.FrequencyUnit; import org.djunits.value.vdouble.scalar.Frequency; import org.opentrafficsim.demo.ntm.LinearFunctionLibrary; /** * * A (Network) Fundamental diagram shows the network production as a function of (network or link) density (number of cars in * a CELL). An example (PieceWiseLinear) is shown below: * *
* production * | * Y | _____________________ * | / \ * | / \ * | / \ * | / \ * | / \ * |/________________________________\__________ density (number of vehicles) * ^ ^ * accCritica accCritical2 accJam **
* Copyright (c) 2013-2017 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
* BSD-style license. See OpenTrafficSim License.
*
* $LastChangedDate$, @version $Revision$, by $Author$,
* initial version 9 Sep 2014
* @author Alexander Verbraeck
* @author Hans van Lint
* @author Peter Knoppers
* @author Guus Tamminga
* @author Yufei Yuan
*/
public class FundamentalDiagram
{
/**
* @param xyPairs ArrayList<Point2D>;
* @param accumulatedCars double;
* @return piecewise linear
*/
public static Frequency PieceWiseLinear(ArrayList