Examples with GeospatialPredicate ddf.catalog.pubsub.predicate.GeospatialPredicate used on opensource projects

Example 6 with GeospatialPredicate

use of ddf.catalog.pubsub.predicate.GeospatialPredicate in project ddf by codice.

the class PredicateTest method testGeospatialEvaluatorOverlaps.

@Test
public void testGeospatialEvaluatorOverlaps() throws Exception {
    LOGGER.debug("**************************  START: testGeospatialEvaluator_Overlaps()  ***********************");
    // WKT specifies points in LON LAT order
    String geometryWkt = "POLYGON ((40 34, 40 33, 44.5 33, 44.5 34, 40 34))";
    String operation = "overlaps";
    double distance = 0.0000001;
    GeospatialPredicate predicate = new GeospatialPredicate(geometryWkt, operation, distance);
    Geometry geoCriteria = predicate.getGeoCriteria();
    String geospatialXml = "<gml:Polygon xmlns:gml=\"http://www.opengis.net/gml\" gml:id=\"BGE-1\">\n" + "    <gml:exterior>\n" + "        <gml:LinearRing>\n" + "            <gml:pos>34.0 44.0</gml:pos>\n" + "            <gml:pos>33.0 44.0</gml:pos>\n" + "            <gml:pos>33.0 45.0</gml:pos>\n" + "            <gml:pos>34.0 45.0</gml:pos>\n" + "            <gml:pos>34.0 44.0</gml:pos>\n" + "        </gml:LinearRing>\n" + "    </gml:exterior>\n" + "</gml:Polygon>";
    Geometry input = GeospatialEvaluator.buildGeometry(geospatialXml);
    LOGGER.debug("input.toText() = {}", input.toText());
    GeospatialEvaluationCriteria gec = new GeospatialEvaluationCriteriaImpl(geoCriteria, operation, input, distance);
    boolean status = GeospatialEvaluator.evaluate(gec);
    assertTrue(status);
    LOGGER.debug("**************************  END: testGeospatialEvaluator_Overlaps()  ***********************");
}

Example 7 with GeospatialPredicate

use of ddf.catalog.pubsub.predicate.GeospatialPredicate in project ddf by codice.

the class SubscriptionFilterVisitor method visit.

/**
 * Within filter maps to a CONTAINS Spatial search criteria.
 */
@Override
public Object visit(Within filter, Object data) {
    LOGGER.debug("ENTERING: Within filter");
    LOGGER.debug("Must have received CONTAINS query criteria: {}", filter.getExpression2());
    org.locationtech.jts.geom.Geometry jtsGeometry = getJtsGeometery((LiteralExpressionImpl) filter.getExpression2());
    Predicate predicate = new GeospatialPredicate(jtsGeometry, SpatialOperator.CONTAINS.name(), 0.0);
    LOGGER.debug("EXITING: Within filter");
    return predicate;
}

Example 8 with GeospatialPredicate

use of ddf.catalog.pubsub.predicate.GeospatialPredicate in project ddf by codice.

the class SubscriptionFilterVisitor method visit.

/**
 * DWithin filter maps to a Point/Radius distance Spatial search criteria.
 */
@Override
public Object visit(DWithin filter, Object data) {
    LOGGER.debug("ENTERING: DWithin filter");
    LOGGER.debug("Must have received point/radius query criteria.");
    double radius = filter.getDistance();
    org.locationtech.jts.geom.Geometry jtsGeometry = getJtsGeometery((LiteralExpressionImpl) filter.getExpression2());
    double radiusInDegrees = (radius * 180.0) / (Math.PI * EQUATORIAL_RADIUS_IN_METERS);
    LOGGER.debug("radius in meters : {}", radius);
    LOGGER.debug("radius in degrees : {}", radiusInDegrees);
    Predicate predicate = new GeospatialPredicate(jtsGeometry, null, radiusInDegrees);
    LOGGER.debug("EXITING: DWithin filter");
    return predicate;
}