Examples with AisShipStaticA au.gov.amsa.ais.message.AisShipStaticA used on opensource projects

Example 1 with AisShipStaticA

use of au.gov.amsa.ais.message.AisShipStaticA in project risky by amsa-code.

the class ShipTypeBreakdownMain method main.

public static void main(String[] args) throws FileNotFoundException, IOException {
    // load a shapefile
    final GeometryFactory gf = new GeometryFactory();
    File file = new File("/home/dxm/temp/srr.shp");
    Map<String, Serializable> map = new HashMap<>();
    map.put("url", file.toURI().toURL());
    DataStore datastore = DataStoreFinder.getDataStore(map);
    String typeName = datastore.getTypeNames()[0];
    System.out.println(typeName);
    SimpleFeatureSource source = datastore.getFeatureSource(typeName);
    final SimpleFeatureCollection features = source.getFeatures();
    final List<PreparedGeometry> geometries = new ArrayList<>();
    SimpleFeatureIterator it = features.features();
    while (it.hasNext()) {
        SimpleFeature feature = it.next();
        Geometry g = (Geometry) feature.getDefaultGeometry();
        geometries.add(PreparedGeometryFactory.prepare(g));
    }
    // System.exit(0);
    String filename = "/media/analysis/nmea/2014/NMEA_ITU_20140815.gz";
    final Set<Long> mmsi = new HashSet<Long>();
    final Set<Long> mmsiA = new HashSet<Long>();
    final Set<Long> mmsiB = new HashSet<Long>();
    Streams.extract(Streams.nmeaFromGzip(filename)).flatMap(aisPositionsOnly).lift(Logging.<TimestampedAndLine<AisPosition>>logger().showCount().every(100000).log()).doOnNext(m -> {
        AisPosition p = m.getMessage().get().message();
        if (p.getLatitude() != null && p.getLongitude() != null && contains(gf, geometries, p.getLatitude(), p.getLongitude())) {
            long mmsiNo = m.getMessage().get().message().getMmsi();
            mmsi.add(mmsiNo);
            if (m.getMessage().get().message() instanceof AisPositionA)
                mmsiA.add(mmsiNo);
            else
                mmsiB.add(mmsiNo);
        }
    }).subscribe();
    final Map<ShipTypeClass, Set<Integer>> countsByShipType = new ConcurrentHashMap<>();
    Streams.extract(Streams.nmeaFromGzip(filename)).flatMap(aisShipStaticOnly).doOnNext(m -> {
        AisShipStatic s = m.getMessage().get().message();
        if (mmsi.contains(Long.valueOf(s.getMmsi()))) {
            boolean isClassA = s instanceof AisShipStaticA;
            ShipTypeClass shipTypeClass = new ShipTypeClass(isClassA, s.getShipType());
            if (countsByShipType.get(shipTypeClass) == null)
                countsByShipType.put(shipTypeClass, new HashSet<Integer>());
            else
                countsByShipType.get(shipTypeClass).add(s.getMmsi());
        }
    }).subscribe();
    System.out.println(countsByShipType);
    Set<String> set = new TreeSet<String>();
    int sizeA = 0;
    int sizeB = 0;
    for (Entry<ShipTypeClass, Set<Integer>> s : countsByShipType.entrySet()) {
        set.add(ShipTypeDecoder.getShipType(s.getKey().shipType) + "\t" + (s.getKey().isClassA ? "A" : "B") + "\t" + s.getValue().size());
        if (s.getKey().isClassA)
            sizeA += s.getValue().size();
        else
            sizeB += s.getValue().size();
    }
    set.stream().forEach(System.out::println);
    System.out.println("Unknown\tA\t" + (mmsiA.size() - sizeA));
    System.out.println("Unknown\tB\t" + (mmsiB.size() - sizeB));
    log.info("finished");
}

Example 2 with AisShipStaticA

use of au.gov.amsa.ais.message.AisShipStaticA in project risky by amsa-code.

the class ShipStaticDataCreator method writeStaticDataToFileWithTimestamps.

public static Observable<Timestamped<AisShipStatic>> writeStaticDataToFileWithTimestamps(List<File> files, File outputFile, Scheduler scheduler) {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    Func0<PrintStream> resourceFactory = Checked.f0(() -> new PrintStream(outputFile));
    Func1<PrintStream, Observable<Timestamped<AisShipStatic>>> observableFactory = out -> Observable.from(files).buffer(Math.max(1, files.size() / Runtime.getRuntime().availableProcessors() - 1)).flatMap(list -> // 
    Observable.from(list).lift(// 
    Logging.<File>logger().showValue().showMemory().log()).concatMap(// 
    file -> timestampedShipStatics(file))).groupBy(// 
    m -> m.message().getMmsi()).flatMap(// 
    g -> collect(g).subscribeOn(scheduler)).compose(Transformers.doOnFirst(x -> {
        out.println("# MMSI, Time, IMO, AisClass, AisShipType, MaxPresentStaticDraughtMetres, DimAMetres, DimBMetres, DimCMetres, DimDMetres, LengthMetres, WidthMetres, Name");
        out.println("# columns are tab delimited");
        out.println("# -1 = not present");
    })).filter(// 
    set -> set.size() <= 10).flatMapIterable(// 
    set -> set).doOnNext(k -> {
        AisShipStatic m = k.message();
        out.format("%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n", m.getMmsi(), sdf.format(new Date(k.time())), getImo(m).orElse(-1), m instanceof AisShipStaticA ? "A" : "B", m.getShipType(), getMaximumPresentStaticDraughtMetres(m).orElse(-1F), m.getDimensionA().orElse(-1), m.getDimensionB().orElse(-1), m.getDimensionC().orElse(-1), m.getDimensionD().orElse(-1), AisShipStaticUtil.lengthMetres(m).orElse(-1), AisShipStaticUtil.widthMetres(m).orElse(-1), prepareName(m.getName()));
        out.flush();
    });
    Action1<PrintStream> disposeAction = out -> out.close();
    return Observable.using(resourceFactory, observableFactory, disposeAction);
}

Example 3 with AisShipStaticA

use of au.gov.amsa.ais.message.AisShipStaticA in project risky by amsa-code.

the class BenchmarksAis method parseShipStaticNmeaMessageAndExtractBitsOfInterest.

@Benchmark
public void parseShipStaticNmeaMessageAndExtractBitsOfInterest() {
    AisNmeaMessage n = new AisNmeaMessage(shipStaticA);
    AisShipStaticA m = (AisShipStaticA) n.getMessage();
    m.getName();
    m.getShipType();
    m.getImo();
    m.getLengthMetres();
    m.getWidthMetres();
    m.getCallsign();
    m.getMmsi();
}

Example 4 with AisShipStaticA

use of au.gov.amsa.ais.message.AisShipStaticA in project risky by amsa-code.

the class OperatorCraftProperty method call.

@Override
public Subscriber<? super Timestamped<? extends AisMessage>> call(final Subscriber<? super CraftProperty> child) {
    return new Subscriber<Timestamped<? extends AisMessage>>(child) {

        @Override
        public void onCompleted() {
            if (!isUnsubscribed())
                child.onCompleted();
        }

        @Override
        public void onError(Throwable e) {
            if (!isUnsubscribed())
                child.onError(e);
        }

        @SuppressWarnings("unchecked")
        @Override
        public void onNext(Timestamped<? extends AisMessage> m) {
            if (m.message() instanceof AisShipStaticA) {
                handleShipStatic((Timestamped<AisShipStaticA>) m, child);
            } else if (m.message() instanceof AisPositionBExtended)
                handleAisPositionBExtended((Timestamped<AisPositionBExtended>) m, child);
        }

        private void handleShipStatic(Timestamped<AisShipStaticA> m, Subscriber<? super CraftProperty> child) {
            handleProperty(child, m, CraftPropertyName.CALLSIGN, m.message().getCallsign());
            handleProperty(child, m, CraftPropertyName.DESTINATION, m.message().getDestination());
            handleProperty(child, m, CraftPropertyName.DIMENSION_A, m.message().getDimensionA());
            handleProperty(child, m, CraftPropertyName.DIMENSION_B, m.message().getDimensionB());
            handleProperty(child, m, CraftPropertyName.DIMENSION_C, m.message().getDimensionC());
            handleProperty(child, m, CraftPropertyName.DIMENSION_D, m.message().getDimensionD());
            handleProperty(child, m, CraftPropertyName.IMO_NUMBER, m.message().getImo());
            handleProperty(child, m, CraftPropertyName.LENGTH_METRES, m.message().getLengthMetres());
            handleProperty(child, m, CraftPropertyName.DRAUGHT_METRES, m.message().getMaximumPresentStaticDraughtMetres());
            handleProperty(child, m, CraftPropertyName.NAME, m.message().getName());
            handleProperty(child, m, CraftPropertyName.SHIP_TYPE, m.message().getShipType());
            handleProperty(child, m, CraftPropertyName.WIDTH_METRES, m.message().getWidthMetres());
        }

        private void handleAisPositionBExtended(Timestamped<AisPositionBExtended> m, Subscriber<? super CraftProperty> child) {
            handleProperty(child, m, CraftPropertyName.DIMENSION_A, m.message().getDimensionA());
            handleProperty(child, m, CraftPropertyName.DIMENSION_B, m.message().getDimensionB());
            handleProperty(child, m, CraftPropertyName.DIMENSION_C, m.message().getDimensionC());
            handleProperty(child, m, CraftPropertyName.DIMENSION_D, m.message().getDimensionD());
            handleProperty(child, m, CraftPropertyName.LENGTH_METRES, m.message().getLengthMetres());
            handleProperty(child, m, CraftPropertyName.NAME, m.message().getName());
            handleProperty(child, m, CraftPropertyName.SHIP_TYPE, m.message().getShipType());
            handleProperty(child, m, CraftPropertyName.WIDTH_METRES, m.message().getWidthMetres());
        }

        private <R extends AisMessage & HasMmsi> void handleProperty(Subscriber<? super CraftProperty> child, Timestamped<R> m, CraftPropertyName name, Object value) {
            if (!isUnsubscribed() && value != null)
                child.onNext(new CraftProperty(new Mmsi(m.message().getMmsi()), name, value.toString(), m.time()));
        }
    };
}

Example 5 with AisShipStaticA

use of au.gov.amsa.ais.message.AisShipStaticA in project risky by amsa-code.

the class AisMessageParser method parse.

/**
 * Returns an {@link AisMessage} from the string representation of the
 * message as per 1371-4 IMO specification (as per the appropriate column in
 * the NMEA message).
 *
 * @param message
 * @param source
 * @return
 */
public AisMessage parse(String message, String source, int padBits) {
    AisExtractor extractor = factory.create(message, 0, padBits);
    int id = extractor.getMessageId();
    if (Util.isClassAPositionReport(id)) {
        return new AisPositionA(message, source, padBits);
    } else if (id == 4)
        return new AisBaseStation(message, source, padBits);
    else if (id == 5)
        return new AisShipStaticA(message, source, padBits);
    else if (id == 18)
        return new AisPositionB(message, source, padBits);
    else if (id == 19)
        return new AisPositionBExtended(message, source, padBits);
    else if (id == 21)
        return new AisAidToNavigation(message, source, padBits);
    else if (id == AisMessageType.STATIC_DATA_REPORT.getId()) {
        int partNumber = AbstractAisBStaticDataReport.extractPartNumber(factory, message, padBits);
        return parseStaticDataReport(partNumber, id, message, source, padBits);
    } else if (id == 27)
        return new AisPositionGPS(message, source, padBits);
    else
        return new AisMessageOther(id, source, padBits);
}