Examples with LinearRing com.revolsys.geometry.model.LinearRing used on opensource projects

Example 31 with LinearRing

use of com.revolsys.geometry.model.LinearRing in project com.revolsys.open by revolsys.

the class IsValidOp method checkHolesNotNested.

/**
 * Tests that no hole is nested inside another hole.
 * This routine assumes that the holes are disjoint.
 * To ensure this, holes have previously been tested
 * to ensure that:
 * <ul>
 * <li>they do not partially overlap
 *      (checked by <code>checkRelateConsistency</code>)
 * <li>they are not identical
 *      (checked by <code>checkRelateConsistency</code>)
 * </ul>
 */
private boolean checkHolesNotNested(final Polygon p, final GeometryGraph graph) {
    final IndexedNestedRingTester nestedTester = new IndexedNestedRingTester(graph);
    for (int i = 0; i < p.getHoleCount(); i++) {
        final LinearRing innerHole = p.getHole(i);
        nestedTester.add(innerHole);
    }
    final boolean isNonNested = nestedTester.isNonNested();
    if (isNonNested) {
        return true;
    } else {
        addError(new TopologyValidationError(TopologyValidationError.NESTED_HOLES, nestedTester.getNestedPoint()));
        return false;
    }
}

Example 32 with LinearRing

use of com.revolsys.geometry.model.LinearRing in project com.revolsys.open by revolsys.

the class WKBReader method readPolygon.

private Polygon readPolygon(final GeometryFactory geometryFactory) throws IOException {
    final int ringCount = this.dis.readInt();
    final List<LinearRing> rings = new ArrayList<>();
    for (int i = 0; i < ringCount; i++) {
        final LinearRing ring = readLinearRing(geometryFactory);
        rings.add(ring);
    }
    return geometryFactory.polygon(rings);
}

Example 33 with LinearRing

use of com.revolsys.geometry.model.LinearRing in project com.revolsys.open by revolsys.

the class GeoJsonRecordWriter method coordinatesPolygon.

private void coordinatesPolygon(final Polygon polygon) {
    this.out.startList(false);
    this.out.indent();
    final LineString shell = polygon.getShell();
    coordinatesLineString(shell.toCounterClockwise());
    for (final LinearRing hole : polygon.holes()) {
        this.out.endAttribute();
        this.out.indent();
        coordinatesLineString(hole.toClockwise());
    }
    this.out.endList();
}

Example 34 with LinearRing

use of com.revolsys.geometry.model.LinearRing in project com.revolsys.open by revolsys.

the class GmlGeometryReader method readPolygon.

private Polygon readPolygon(final GeometryFactory geometryFactory) throws XMLStreamException {
    int axisCount = 2;
    final GeometryFactory factory = getGeometryFactory(geometryFactory);
    final List<LinearRing> rings = new ArrayList<>();
    final int depth = this.in.getDepth();
    while (this.in.skipToStartElements(depth, Gml.OUTER_BOUNDARY_IS, Gml.INNER_BOUNDARY_IS)) {
        final LinearRing ring = readLinearRing(factory);
        if (ring != null) {
            axisCount = Math.max(axisCount, ring.getAxisCount());
            rings.add(ring);
        }
    }
    final Polygon polygon = factory.convertAxisCount(axisCount).polygon(rings);
    return polygon;
}

Example 35 with LinearRing

use of com.revolsys.geometry.model.LinearRing in project com.revolsys.open by revolsys.

the class ArcGisRestServerFeatureIterator method parseMultiPolygon.

public static Geometry parseMultiPolygon(final GeometryFactory geometryFactory, final MapEx properties) {
    final List<Polygon> polygons = new ArrayList<>();
    final List<LinearRing> rings = new ArrayList<>();
    final List<List<List<Number>>> paths = properties.getValue("rings", Collections.emptyList());
    for (final List<List<Number>> points : paths) {
        final LinearRing ring = geometryFactory.linearRing(points);
        if (ring.isClockwise()) {
            if (!rings.isEmpty()) {
                final Polygon polygon = geometryFactory.polygon(rings);
                polygons.add(polygon);
            }
            rings.clear();
        }
        rings.add(ring);
    }
    if (!rings.isEmpty()) {
        final Polygon polygon = geometryFactory.polygon(rings);
        polygons.add(polygon);
    }
    return geometryFactory.geometry(polygons);
}