private void writeStats(
DgKSNetwork ksNet,
DgCommodities commodities,
double totalFlow,
Set<DgCommodity> removedCommodities) {
log.info("Network: ");
log.info(" # Streets: " + ksNet.getStreets().size());
log.info(" # Crossings: " + ksNet.getCrossings().size());
int noLights = 0;
int noNodes = 0;
for (DgCrossing c : ksNet.getCrossings().values()) {
noLights += c.getLights().size();
noNodes += c.getNodes().size();
}
log.info(" # Lights: " + noLights);
log.info(" # Nodes: " + noNodes);
log.info("Commodities: ");
log.info(" # Commodities: " + commodities.getCommodities().size());
log.info(" # Commodities removed: " + removedCommodities.size());
log.info("Overall flow: " + totalFlow);
double removedFlow = 0.0;
String info = "";
for (DgCommodity com : removedCommodities) {
removedFlow += com.getFlow();
info += comToString(com) + " ; ";
}
log.info(
"Removed flow: " + removedFlow + " %: " + Double.toString(removedFlow / totalFlow * 100.0));
log.info("Removed Commodities : ");
log.info(info);
}
private void scaleCommodities(DgCommodities commodities) {
if (ksModelCommoditySampleSize != 1.0) {
for (DgCommodity com : commodities.getCommodities().values()) {
double flow = com.getFlow() * ksModelCommoditySampleSize;
com.setFlow(flow);
}
}
}
public void convertAndWrite(
String outputDirectory,
String shapeFileDirectory,
String filename,
String name,
String description,
DgZones zones,
double startTimeSec,
double endTimeSec)
throws IOException {
// create koehler strehler network
DgIdPool idPool = new DgIdPool();
DgIdConverter idConverter = new DgIdConverter(idPool);
M2KS2010NetworkConverter netConverter = new M2KS2010NetworkConverter(idConverter);
DgKSNetwork ksNet =
netConverter.convertNetworkLanesAndSignals(
this.network,
this.lanes,
this.signals,
this.signalsBoundingBox.getBoundingBox(),
startTimeSec,
endTimeSec);
// gexf output for visualization
DgKSNetwork2Gexf converter = new DgKSNetwork2Gexf();
converter.convertAndWrite(
ksNet,
outputDirectory + "network_small_simplified_ks2010_model.gexf"); // the former name was
// network_small_simplified.gexf which
// is misleading
M2KS2010Zones2Commodities demandConverter = new M2KS2010Zones2Commodities(zones, idConverter);
DgCommodities commodities = demandConverter.convert(ksNet);
this.scaleCommodities(commodities);
Set<DgCommodity> removedCommodities = new HashSet<DgCommodity>();
Set<Id<DgCommodity>> commoditiesToRemove = new HashSet<>();
double totalFlow = 0.0;
for (DgCommodity com : commodities.getCommodities().values()) {
if (com.getSourceNodeId().equals(com.getDrainNodeId())) {
log.warn(
"commodity : "
+ com.getId()
+ " flow: "
+ com.getFlow()
+ " has same start and drain node: "
+ com.getSourceNodeId());
}
}
for (DgCommodity com : commodities.getCommodities().values()) {
totalFlow += com.getFlow();
if (com.getFlow() < minCommodityFlow) {
commoditiesToRemove.add(com.getId());
}
}
for (Id<DgCommodity> id : commoditiesToRemove) {
removedCommodities.add(commodities.getCommodities().remove(id));
log.info("Removed commodity id " + id + " because flow is less than " + minCommodityFlow);
}
// convert the KS2010 network back to the matsim format for debugging and visualization
Network newMatsimNetwork = new DgKSNet2MatsimNet().convertNetwork(ksNet);
DgKS2010Router router = new DgKS2010Router();
List<Id<DgCommodity>> invalidCommodities =
router.routeCommodities(newMatsimNetwork, commodities);
for (Id<DgCommodity> id : invalidCommodities) {
removedCommodities.add(commodities.getCommodities().remove(id));
log.warn("removed commodity id : " + id + " because it can not be routed on the network.");
}
log.info("testing routing again...");
invalidCommodities = router.routeCommodities(newMatsimNetwork, commodities);
if (!invalidCommodities.isEmpty()) {
throw new IllegalStateException("Commodities that can not be routed still exist");
}
log.warn(
"To use the information of ks model link costs (i.e. link travel time) in the matsim network shapefile (with freespeed and link length format), we use a default freespeed of 1 m/s and set the link length to the link cost.");
DgNetworkUtils.writeNetwork(
newMatsimNetwork, outputDirectory + "matsim_network_ks_model.xml.gz");
DgNetworkUtils.writeNetwork2Shape(
newMatsimNetwork, crs, shapeFileDirectory + "matsim_network_ks_model.shp");
DgCommodityUtils.write2Shapefile(
commodities, newMatsimNetwork, crs, shapeFileDirectory + "commodities.shp");
// write ks-model
new KS2010ModelWriter()
.write(ksNet, commodities, name, description, outputDirectory + filename);
// write commodities from the ks-model as matsim population in the small network
new TtMorningCommodityAsMatsimPopWriter()
.writeTripPlansFile(
this.network, commodities, outputDirectory, filename, startTimeSec, endTimeSec);
writeStats(ksNet, commodities, totalFlow, removedCommodities);
signalsBoundingBox.writeBoundingBox(shapeFileDirectory + "signals_");
idPool.writeToFile(outputDirectory + "id_conversions.txt");
}