DensityContourPlot.java
- package org.opentrafficsim.graphs;
- import java.util.ArrayList;
- import java.util.List;
- import org.djunits.unit.TimeUnit;
- import org.djunits.value.StorageType;
- import org.djunits.value.ValueException;
- import org.djunits.value.vdouble.scalar.DoubleScalarInterface;
- import org.djunits.value.vdouble.vector.MutableTimeVector;
- import org.opentrafficsim.road.network.lane.Lane;
- import org.opentrafficsim.simulationengine.OTSSimulationException;
- /**
- * Density contour plot.
- * <p>
- * Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
- * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
- * <p>
- * $LastChangedDate: 2015-09-03 13:38:01 +0200 (Thu, 03 Sep 2015) $, @version $Revision: 1378 $, by $Author: averbraeck $,
- * initial version Jul 28, 2014 <br>
- * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
- */
- public class DensityContourPlot extends ContourPlot
- {
- /** */
- private static final long serialVersionUID = 20140729L;
- /**
- * Create a new DensityContourPlot.
- * @param caption String; text to show above the DensityContourPlot
- * @param path List<Lane>; the series of Lanes that will provide the data for this TrajectoryPlot
- * @throws OTSSimulationException in case of problems initializing the graph
- */
- public DensityContourPlot(final String caption, final List<Lane> path) throws OTSSimulationException
- {
- super(caption, new Axis(INITIALLOWERTIMEBOUND, INITIALUPPERTIMEBOUND, STANDARDTIMEGRANULARITIES,
- STANDARDTIMEGRANULARITIES[STANDARDINITIALTIMEGRANULARITYINDEX], "", "Time", "%.0fs"), path, 120d, 10d, 0d,
- "density %.1f veh/km", "%.1f veh/km", 20d);
- }
- /** {@inheritDoc} */
- @Override
- public final GraphType getGraphType()
- {
- return GraphType.DENSITY_CONTOUR;
- }
- /** Storage for the total time spent in each cell. */
- private ArrayList<MutableTimeVector> cumulativeTimes;
- /** {@inheritDoc} */
- @Override
- public final Comparable<String> getSeriesKey(final int series)
- {
- return "density";
- }
- /** {@inheritDoc} */
- @Override
- public final void extendXRange(final DoubleScalarInterface newUpperLimit)
- {
- if (null == this.cumulativeTimes)
- {
- this.cumulativeTimes = new ArrayList<MutableTimeVector>();
- }
- final int highestBinNeeded =
- (int) Math.floor(this.getXAxis().getRelativeBin(newUpperLimit) * this.getXAxis().getCurrentGranularity()
- / this.getXAxis().getGranularities()[0]);
- while (highestBinNeeded >= this.cumulativeTimes.size())
- {
- try
- {
- this.cumulativeTimes.add(new MutableTimeVector(new double[this.getYAxis().getBinCount()],
- TimeUnit.SECOND, StorageType.DENSE));
- }
- catch (ValueException exception)
- {
- exception.printStackTrace();
- }
- }
- }
- /** {@inheritDoc} */
- @Override
- public final void incrementBinData(final int timeBin, final int distanceBin, final double duration,
- final double distanceCovered, final double acceleration)
- {
- if (timeBin < 0 || distanceBin < 0 || 0 == duration || distanceBin >= this.getYAxis().getBinCount())
- {
- return;
- }
- MutableTimeVector values = this.cumulativeTimes.get(timeBin);
- try
- {
- values.setSI(distanceBin, values.getSI(distanceBin) + duration);
- }
- catch (ValueException exception)
- {
- System.err.println("Error in incrementData:");
- exception.printStackTrace();
- }
- }
- /** {@inheritDoc} */
- @Override
- public final double computeZValue(final int firstTimeBin, final int endTimeBin, final int firstDistanceBin,
- final int endDistanceBin)
- {
- double cumulativeTimeInSI = 0;
- if (null == this.cumulativeTimes)
- {
- return Double.NaN;
- }
- try
- {
- for (int timeBinIndex = firstTimeBin; timeBinIndex < endTimeBin; timeBinIndex++)
- {
- MutableTimeVector values = this.cumulativeTimes.get(timeBinIndex);
- for (int distanceBinIndex = firstDistanceBin; distanceBinIndex < endDistanceBin; distanceBinIndex++)
- {
- cumulativeTimeInSI += values.getSI(distanceBinIndex);
- }
- }
- }
- catch (ValueException exception)
- {
- System.err.println(String.format("Error in getZValue(timeBinRange=[%d-%d], distanceBinRange=[%d-%d]",
- firstTimeBin, endTimeBin, firstDistanceBin, endDistanceBin));
- exception.printStackTrace();
- }
- return 1000 * cumulativeTimeInSI / this.getXAxis().getCurrentGranularity()
- / this.getYAxis().getCurrentGranularity();
- }
- /** {@inheritDoc} */
- @Override
- public final String toString()
- {
- return "DensityContourPlot [cumulativeTimes.size=" + this.cumulativeTimes.size() + "]";
- }
- }