Examples with Fix au.gov.amsa.risky.format.Fix used on opensource projects

Example 46 with Fix

use of au.gov.amsa.risky.format.Fix in project risky by amsa-code.

the class NmeaGzToBinaryFixesWithMmsiGzMain method convert.

private static void convert(File file, File outputDir, AtomicInteger n) {
    try {
        log.info("converting " + file.getName() + ", gzipped file size = " + (double) file.length() / 1024 / 1024 + "MB");
        long t = System.currentTimeMillis();
        Observable<String> nmea = Streams.nmeaFromGzip(file).onErrorResumeNext(e -> Observable.empty());
        long count;
        String outFilename = file.getName().substring(0, file.getName().indexOf(".txt.gz")) + ".track.gz";
        File outFile = new File(outputDir, outFilename);
        try (OutputStream out = new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)))) {
            count = // 
            nmea.compose(// 
            o -> Streams.extractFixes(o)).filter(// 
            x -> inRegion(x)).filter(// 
            x -> x.time() > 0 && x.time() < TimeUnit.DAYS.toMillis(80 * 365)).doOnNext(// 
            fix -> BinaryFixes.write(fix, out, BinaryFixesFormat.WITH_MMSI)).countLong().toBlocking().first();
        }
        double seconds = (System.currentTimeMillis() - t) / 1000.0;
        n.incrementAndGet();
        log.info(// 
        n.get() + ": file=" + file.getName() + ", count=" + // "
        count + ", time=" + seconds + // 
        "s" + ", rate = " + (count / seconds) + // 
        " lines/s" + ", outputFileSize = " + outFile.length() / 1024.0 / 1024 + "MB");
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

Example 47 with Fix

use of au.gov.amsa.risky.format.Fix in project risky by amsa-code.

the class OperatorEffectiveSpeedCheckerTest method testSpiritOfTasmania.

@Test
public void testSpiritOfTasmania() throws ParseException {
    SegmentOptions options = SegmentOptions.builder().acceptAnyFixHours(12L).maxSpeedKnots(50).build();
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone("UTC"));
    Fix a = new FixImpl(1, -39.572643f, 145.38763f, df.parse("2015-01-01T03:36:36").getTime(), AisClass.A);
    Fix b = new FixImpl(1, -40.095074f, 145.71864f, df.parse("2015-01-01T04:52:25").getTime(), AisClass.A);
    System.out.println(Position.create(a.lat(), a.lon()).getDistanceToKm(Position.create(b.lat(), b.lon())) / 1.852 / (75.81666666 / 60) + "knots");
    assertEquals(27.605441702145423, EffectiveSpeedChecker.effectiveSpeedKnots(a, b, options).get(), 0.00001);
}

Example 48 with Fix

use of au.gov.amsa.risky.format.Fix in project risky by amsa-code.

the class AdHocMain method main.

public static void main(String[] args) throws IOException {
    long start = ZonedDateTime.from(DateTimeFormatter.ISO_DATE_TIME.parse("2014-05-13T00:00:00Z")).toEpochSecond() * 1000;
    long finish = ZonedDateTime.from(DateTimeFormatter.ISO_DATE_TIME.parse("2014-05-27T00:00:00Z")).toEpochSecond() * 1000;
    Pattern pattern = Pattern.compile(".*\\.track");
    PrintStream out = new PrintStream("target/output.txt");
    out.println("mmsi\ttime\tlat\tlong\tcourse\tspeedKnots");
    List<File> files = Files.find(new File("/media/an/binary-fixes-5-minute/2014"), pattern);
    Observable.from(files).flatMap(file -> extract(file, start, finish).subscribeOn(Schedulers.computation())).filter(fix -> MmsiValidator2.INSTANCE.isValid(fix.mmsi())).map(f -> String.format("%s\t%s\t%s\t%s\t%s\t%s", f.mmsi(), formatDateTime(f.time()), f.lat(), f.lon(), get(f.courseOverGroundDegrees()), get(f.speedOverGroundKnots()))).doOnNext(out::println).lift(Logging.<String>logger().showCount().every(10000).log()).count().doOnTerminate(out::close).toBlocking().single();
}