/**
* Normalize the geo {@code Point} for the given coordinates to lie within their respective
* normalized ranges.
*
* <p>You can control which coordinate gets normalized with the two flags.
*
* <p>Note: A shift of 180° is applied in the longitude if necessary, in order to normalize
* properly the latitude. If normalizing latitude but not longitude, it is assumed that the
* longitude is in the form x+k*360, with x in ]-180;180], and k is meaningful to the application.
* Therefore x will be adjusted while keeping k preserved.
*
* @param point The point to normalize in-place.
* @param normLat Whether to normalize latitude or leave it as is.
* @param normLon Whether to normalize longitude.
*/
public static void normalizePoint(GeoPoint point, boolean normLat, boolean normLon) {
double lat = point.lat();
double lon = point.lon();
normLat = normLat && (lat > 90 || lat <= -90);
normLon = normLon && (lon > 180 || lon <= -180);
if (normLat) {
lat = centeredModulus(lat, 360);
boolean shift = true;
if (lat < -90) {
lat = -180 - lat;
} else if (lat > 90) {
lat = 180 - lat;
} else {
// No need to shift the longitude, and the latitude is normalized
shift = false;
}
if (shift) {
if (normLon) {
lon += 180;
} else {
// Longitude won't be normalized,
// keep it in the form x+k*360 (with x in ]-180;180])
// by only changing x, assuming k is meaningful for the user application.
lon += normalizeLon(lon) > 0 ? -180 : 180;
}
}
}
if (normLon) {
lon = centeredModulus(lon, 360);
}
point.reset(lat, lon);
}
private void assertGeoPointQuery(GeoDistanceRangeQueryBuilder queryBuilder, Query query)
throws IOException {
assertThat(query, instanceOf(XGeoPointDistanceRangeQuery.class));
XGeoPointDistanceRangeQuery geoQuery = (XGeoPointDistanceRangeQuery) query;
assertThat(geoQuery.getField(), equalTo(queryBuilder.fieldName()));
if (queryBuilder.point() != null) {
GeoPoint expectedPoint = new GeoPoint(queryBuilder.point());
GeoUtils.normalizePoint(expectedPoint);
assertThat(geoQuery.getCenterLat(), equalTo(expectedPoint.lat()));
assertThat(geoQuery.getCenterLon(), equalTo(expectedPoint.lon()));
}
if (queryBuilder.from() != null && queryBuilder.from() instanceof Number) {
double fromValue = ((Number) queryBuilder.from()).doubleValue();
if (queryBuilder.unit() != null) {
fromValue = queryBuilder.unit().toMeters(fromValue);
}
assertThat(geoQuery.getMinRadiusMeters(), closeTo(fromValue, 1E-5));
}
if (queryBuilder.to() != null && queryBuilder.to() instanceof Number) {
double toValue = ((Number) queryBuilder.to()).doubleValue();
if (queryBuilder.unit() != null) {
toValue = queryBuilder.unit().toMeters(toValue);
}
assertThat(geoQuery.getMaxRadiusMeters(), closeTo(toValue, 1E-5));
}
}
private void parse(ParseContext context, GeoPoint point, String geohash) throws IOException {
if (fieldType().ignoreMalformed == false) {
if (point.lat() > 90.0 || point.lat() < -90.0) {
throw new IllegalArgumentException(
"illegal latitude value [" + point.lat() + "] for " + name());
}
if (point.lon() > 180.0 || point.lon() < -180) {
throw new IllegalArgumentException(
"illegal longitude value [" + point.lon() + "] for " + name());
}
}
if (fieldType().coerce) {
// by setting coerce to false we are assuming all geopoints are already in a valid coordinate
// system
// thus this extra step can be skipped
// LUCENE WATCH: This will be folded back into Lucene's GeoPointField
GeoUtils.normalizePoint(point, true, true);
}
if (fieldType().indexOptions() != IndexOptions.NONE || fieldType().stored()) {
Field field =
new Field(
fieldType().names().indexName(),
Double.toString(point.lat()) + ',' + Double.toString(point.lon()),
fieldType());
context.doc().add(field);
}
if (fieldType().isGeohashEnabled()) {
if (geohash == null) {
geohash = GeoHashUtils.encode(point.lat(), point.lon());
}
addGeohashField(context, geohash);
}
if (fieldType().isLatLonEnabled()) {
latMapper.parse(context.createExternalValueContext(point.lat()));
lonMapper.parse(context.createExternalValueContext(point.lon()));
}
if (fieldType().hasDocValues()) {
CustomGeoPointDocValuesField field =
(CustomGeoPointDocValuesField) context.doc().getByKey(fieldType().names().indexName());
if (field == null) {
field =
new CustomGeoPointDocValuesField(
fieldType().names().indexName(), point.lat(), point.lon());
context.doc().addWithKey(fieldType().names().indexName(), field);
} else {
field.add(point.lat(), point.lon());
}
}
multiFields.parse(this, context);
}
@Override
protected boolean matchDoc(int doc) {
values.setDocument(doc);
final int length = values.count();
for (int i = 0; i < length; i++) {
GeoPoint point = values.valueAt(i);
if (pointInPolygon(points, point.lat(), point.lon())) {
return true;
}
}
return false;
}
private void assertLegacyQuery(GeoDistanceRangeQueryBuilder queryBuilder, Query query)
throws IOException {
assertThat(query, instanceOf(GeoDistanceRangeQuery.class));
GeoDistanceRangeQuery geoQuery = (GeoDistanceRangeQuery) query;
assertThat(geoQuery.fieldName(), equalTo(queryBuilder.fieldName()));
if (queryBuilder.point() != null) {
GeoPoint expectedPoint = new GeoPoint(queryBuilder.point());
if (GeoValidationMethod.isCoerce(queryBuilder.getValidationMethod())) {
GeoUtils.normalizePoint(expectedPoint, true, true);
}
assertThat(geoQuery.lat(), equalTo(expectedPoint.lat()));
assertThat(geoQuery.lon(), equalTo(expectedPoint.lon()));
}
assertThat(geoQuery.geoDistance(), equalTo(queryBuilder.geoDistance()));
if (queryBuilder.from() != null && queryBuilder.from() instanceof Number) {
double fromValue = ((Number) queryBuilder.from()).doubleValue();
if (queryBuilder.unit() != null) {
fromValue = queryBuilder.unit().toMeters(fromValue);
}
if (queryBuilder.geoDistance() != null) {
fromValue = queryBuilder.geoDistance().normalize(fromValue, DistanceUnit.DEFAULT);
}
double fromSlop = Math.abs(fromValue) / 1000;
if (queryBuilder.includeLower() == false) {
fromSlop =
NumericUtils.sortableLongToDouble(
(NumericUtils.doubleToSortableLong(Math.abs(fromValue)) + 1L))
/ 1000.0;
}
assertThat(geoQuery.minInclusiveDistance(), closeTo(fromValue, fromSlop));
}
if (queryBuilder.to() != null && queryBuilder.to() instanceof Number) {
double toValue = ((Number) queryBuilder.to()).doubleValue();
if (queryBuilder.unit() != null) {
toValue = queryBuilder.unit().toMeters(toValue);
}
if (queryBuilder.geoDistance() != null) {
toValue = queryBuilder.geoDistance().normalize(toValue, DistanceUnit.DEFAULT);
}
double toSlop = Math.abs(toValue) / 1000;
if (queryBuilder.includeUpper() == false) {
toSlop =
NumericUtils.sortableLongToDouble(
(NumericUtils.doubleToSortableLong(Math.abs(toValue)) - 1L))
/ 1000.0;
}
assertThat(geoQuery.maxInclusiveDistance(), closeTo(toValue, toSlop));
}
}
@Override
protected GeoDistanceRangeQueryBuilder doCreateTestQueryBuilder() {
GeoDistanceRangeQueryBuilder builder;
GeoPoint randomPoint = RandomGeoGenerator.randomPointIn(random(), -180.0, -89.9, 180.0, 89.9);
if (randomBoolean()) {
builder = new GeoDistanceRangeQueryBuilder(GEO_POINT_FIELD_NAME, randomPoint.geohash());
} else {
if (randomBoolean()) {
builder = new GeoDistanceRangeQueryBuilder(GEO_POINT_FIELD_NAME, randomPoint);
} else {
builder =
new GeoDistanceRangeQueryBuilder(
GEO_POINT_FIELD_NAME, randomPoint.lat(), randomPoint.lon());
}
}
GeoPoint point = builder.point();
final double maxRadius = GeoUtils.maxRadialDistanceMeters(point.lat(), point.lon());
final int fromValueMeters = randomInt((int) (maxRadius * 0.5));
final int toValueMeters = randomIntBetween(fromValueMeters + 1, (int) maxRadius);
DistanceUnit fromToUnits = randomFrom(DistanceUnit.values());
final String fromToUnitsStr = fromToUnits.toString();
final double fromValue =
DistanceUnit.convert(fromValueMeters, DistanceUnit.DEFAULT, fromToUnits);
final double toValue = DistanceUnit.convert(toValueMeters, DistanceUnit.DEFAULT, fromToUnits);
if (randomBoolean()) {
int branch = randomInt(2);
fromToUnits = DistanceUnit.DEFAULT;
switch (branch) {
case 0:
builder.from(fromValueMeters);
break;
case 1:
builder.to(toValueMeters);
break;
case 2:
builder.from(fromValueMeters);
builder.to(toValueMeters);
break;
}
} else {
int branch = randomInt(2);
switch (branch) {
case 0:
builder.from(fromValue + fromToUnitsStr);
break;
case 1:
builder.to(toValue + fromToUnitsStr);
break;
case 2:
builder.from(fromValue + fromToUnitsStr);
builder.to(toValue + fromToUnitsStr);
break;
}
}
if (randomBoolean()) {
builder.includeLower(randomBoolean());
}
if (randomBoolean()) {
builder.includeUpper(randomBoolean());
}
if (randomBoolean()) {
builder.geoDistance(randomFrom(GeoDistance.values()));
}
builder.unit(fromToUnits);
if (randomBoolean()) {
builder.setValidationMethod(randomFrom(GeoValidationMethod.values()));
}
if (randomBoolean()) {
builder.ignoreUnmapped(randomBoolean());
}
return builder;
}
