Examples with GHPoint com.graphhopper.util.shapes.GHPoint used on opensource projects

Example 96 with GHPoint

use of com.graphhopper.util.shapes.GHPoint in project graphhopper by graphhopper.

the class SpatialKeyAlgoTest method testDifferentInitialBounds.

@Test
public void testDifferentInitialBounds() {
    SpatialKeyAlgo algo = new SpatialKeyAlgo(8).setBounds(0, 5, 0, 5);
    assertEquals(1, algo.encode(0, 0.5));
    assertEquals(5, algo.encode(0, 1));
    GHPoint coord = new GHPoint();
    algo.decode(5, coord);
    assertEquals(5, algo.encode(coord));
    algo.decode(1, coord);
    assertEquals(1, algo.encode(coord));
}

Example 97 with GHPoint

use of com.graphhopper.util.shapes.GHPoint in project graphhopper by graphhopper.

the class LocationIndexTree method getCenter.

GHPoint getCenter(double lat, double lon) {
    GHPoint query = new GHPoint(lat, lon);
    long key = keyAlgo.encode(query);
    GHPoint center = new GHPoint();
    keyAlgo.decode(key, center);
    return center;
}

Example 98 with GHPoint

use of com.graphhopper.util.shapes.GHPoint in project graphhopper by graphhopper.

the class CompressedArrayTest method testCompress2.

@Test
public void testCompress2() throws Exception {
    CompressedArray arr = new CompressedArray();
    Random rand = new Random(0);
    for (int i = 0; i < 10000; i++) {
        arr.write(i / 1000.0, rand.nextDouble() * 90);
    }
    arr.flush();
    GHPoint coord = arr.get(0);
    assertEquals(0, coord.lat, 1e-6);
    assertEquals(65.787100, coord.lon, 1e-6);
    coord = arr.get(999);
    assertEquals(0.999, coord.lat, 1e-6);
    coord = arr.get(9998);
    assertEquals(9.998, coord.lat, 1e-6);
    coord = arr.get(9999);
    assertEquals(9.999, coord.lat, 1e-6);
    assertNull(arr.get(10000));
// assertEquals(43, arr.calcMemInMB() * Helper.MB, 1e-3);
}

Example 99 with GHPoint

use of com.graphhopper.util.shapes.GHPoint in project graphhopper by graphhopper.

the class CompressedArray method write.

public void write(double lat, double lon) {
    try {
        if (currentWriter == null)
            currentWriter = new VLongStorage(entriesPerSegment * approxBytesPerEntry);
        long latlon = algo.encode(new GHPoint(lat, lon));
        // we cannot use delta encoding as vlong does not support negative numbers
        // but compression of vlong is much more efficient than directly storing the integers
        currentWriter.writeVLong(latlon);
        currentEntry++;
        if (currentEntry >= entriesPerSegment) {
            flush();
        }
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

Example 100 with GHPoint

use of com.graphhopper.util.shapes.GHPoint in project graphhopper by graphhopper.

the class RoundTripRoutingTemplate method generateValidPoint.

private QueryResult generateValidPoint(GHPoint from, double distanceInMeters, double heading, EdgeFilter edgeFilter) {
    int tryCount = 0;
    while (true) {
        GHPoint generatedPoint = Helper.DIST_EARTH.projectCoordinate(from.getLat(), from.getLon(), distanceInMeters, heading);
        QueryResult qr = locationIndex.findClosest(generatedPoint.getLat(), generatedPoint.getLon(), edgeFilter);
        if (qr.isValid())
            return qr;
        tryCount++;
        distanceInMeters *= 0.95;
        if (tryCount >= maxRetries)
            return null;
    }
}