Examples with Polygon com.esri.core.geometry.Polygon used on opensource projects

Example 6 with Polygon

use of com.esri.core.geometry.Polygon in project presto by prestodb.

the class GeometryUtils method isPointOrRectangle.

public static boolean isPointOrRectangle(OGCGeometry ogcGeometry, Envelope envelope) {
    if (ogcGeometry instanceof OGCPoint) {
        return true;
    }
    if (!(ogcGeometry instanceof OGCPolygon)) {
        return false;
    }
    Polygon polygon = (Polygon) ogcGeometry.getEsriGeometry();
    if (polygon.getPathCount() > 1) {
        return false;
    }
    if (polygon.getPointCount() != 4) {
        return false;
    }
    Set<Point> corners = new HashSet<>();
    corners.add(new Point(envelope.getXMin(), envelope.getYMin()));
    corners.add(new Point(envelope.getXMin(), envelope.getYMax()));
    corners.add(new Point(envelope.getXMax(), envelope.getYMin()));
    corners.add(new Point(envelope.getXMax(), envelope.getYMax()));
    for (int i = 0; i < 4; i++) {
        Point point = polygon.getPoint(i);
        if (!corners.contains(point)) {
            return false;
        }
    }
    return true;
}

Example 7 with Polygon

use of com.esri.core.geometry.Polygon in project pigeon by aseldawy.

the class MakePolygon method exec.

@Override
public DataByteArray exec(Tuple b) throws IOException {
    DataBag points = (DataBag) b.get(0);
    Point[] coordinates = new Point[(int) points.size()];
    int i = 0;
    for (Tuple t : points) {
        coordinates[i++] = (Point) (geometryParser.parseGeom(t.get(0))).getEsriGeometry();
    }
    Polygon multi_path = new Polygon();
    for (i = 1; i < coordinates.length; i++) {
        Segment segment = new Line();
        segment.setStart(coordinates[i - 1]);
        segment.setEnd(coordinates[i]);
        multi_path.addSegment(segment, false);
    }
    OGCPolygon linestring = new OGCPolygon(multi_path, 0, SpatialReference.create(4326));
    return new DataByteArray(linestring.asBinary().array());
}

Example 8 with Polygon

use of com.esri.core.geometry.Polygon in project sis by apache.

the class Factory method createFromComponents.

/**
 * Creates a geometry from components.
 * The expected {@code components} type depend on the target geometry type:
 * <ul>
 *   <li>If {@code type} is a multi-geometry, then the components shall be an array of {@link Point},
 *       {@link Geometry}, {@link Polyline} or {@link Polygon} elements, depending on the desired target type.</li>
 *   <li>Otherwise the components shall be an array or collection of {@link Point} instances.</li>
 * </ul>
 *
 * @param  type        type of geometry to create.
 * @param  components  the components. Valid classes depend on the type of geometry to create.
 * @return geometry built from the given components.
 * @throws ClassCastException if the given object is not an array or a collection of supported geometry components.
 */
@Override
public GeometryWrapper<Geometry> createFromComponents(final GeometryType type, final Object components) {
    /*
         * No exhaustive `if (x instanceof y)` checks in this method.
         * `ClassCastException` shall be handled by the caller.
         */
    final Collection<?> data = (components instanceof Collection<?>) ? (Collection<?>) components : Arrays.asList((Object[]) components);
    /*
         * ESRI API does not distinguish between single geometry and geometry collection, except MultiPoint.
         * So if the number of components is 1, there is no reason to create a new geometry object.
         */
    Geometry geometry = (Geometry) CollectionsExt.singletonOrNull(data);
    if (geometry == null) {
        boolean isPolygon = false;
        switch(type) {
            case MULTI_LINESTRING:
            case LINESTRING:
                break;
            case MULTI_POLYGON:
            case POLYGON:
                isPolygon = true;
                break;
            case GEOMETRY_COLLECTION:
                {
                    for (final Object component : data) {
                        isPolygon = (((Geometry) component).getType() == Geometry.Type.Polygon);
                        if (!isPolygon)
                            break;
                    }
                    break;
                }
            // Default to multi-points for now.
            case GEOMETRY:
            case POINT:
            case MULTI_POINT:
                {
                    final MultiPoint points = new MultiPoint();
                    for (final Object p : data) {
                        points.add((Point) p);
                    }
                    geometry = points;
                    if (type == GeometryType.POINT) {
                        geometry = new Point(OperatorCentroid2D.local().execute(geometry, null));
                    }
                    break;
                }
            default:
                throw new AssertionError(type);
        }
        if (geometry == null) {
            final MultiPath path = isPolygon ? new Polygon() : new Polyline();
            if (type.isCollection()) {
                for (final Object component : data) {
                    path.add((MultiPath) component, false);
                }
            } else {
                final Iterator<?> it = data.iterator();
                if (it.hasNext()) {
                    final Line segment = new Line();
                    segment.setEnd((Point) it.next());
                    while (it.hasNext()) {
                        segment.setStartXY(segment.getEndX(), segment.getEndY());
                        segment.setEnd((Point) it.next());
                        path.addSegment(segment, false);
                    }
                }
            }
            geometry = path;
        }
    }
    return new Wrapper(geometry);
}

Example 9 with Polygon

use of com.esri.core.geometry.Polygon in project sis by apache.

the class FeatureOperationsTest method run.

/**
 * Implementation of {@link #testDenseFeature()} and {@link #testSparseFeature()} methods.
 */
private static void run(final AbstractFeature feature) {
    assertNull("Before a geometry is set", feature.getPropertyValue("bounds"));
    GeneralEnvelope expected;
    // Set one geometry
    Polygon classes = new Polygon();
    classes.startPath(10, 20);
    classes.lineTo(10, 30);
    classes.lineTo(15, 30);
    classes.lineTo(15, 20);
    feature.setPropertyValue("classes", classes);
    expected = new GeneralEnvelope(HardCodedCRS.WGS84_LATITUDE_FIRST);
    expected.setRange(0, 10, 15);
    expected.setRange(1, 20, 30);
    assertEnvelopeEquals(expected, (Envelope) feature.getPropertyValue("bounds"));
    // Set second geometry
    Point wall = new Point(18, 40);
    feature.setPropertyValue("climbing wall", wall);
    expected = new GeneralEnvelope(HardCodedCRS.WGS84_LATITUDE_FIRST);
    expected.setRange(0, 10, 18);
    expected.setRange(1, 20, 40);
    assertEnvelopeEquals(expected, (Envelope) feature.getPropertyValue("bounds"));
    // Set third geometry. This geometry has CRS axis order reversed.
    Polygon gymnasium = new Polygon();
    gymnasium.startPath(-5, -30);
    gymnasium.lineTo(-6, -30);
    gymnasium.lineTo(-6, -31);
    gymnasium.lineTo(-5, -31);
    feature.setPropertyValue("gymnasium", gymnasium);
    expected = new GeneralEnvelope(HardCodedCRS.WGS84_LATITUDE_FIRST);
    expected.setRange(0, -31, 18);
    expected.setRange(1, -6, 40);
    assertEnvelopeEquals(expected, (Envelope) feature.getPropertyValue("bounds"));
}