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

Example 1 with Geometry

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

the class InteriorPointArea method widestGeometry.

// @return if geometry is a collection, the widest sub-geometry; otherwise,
// the geometry itself
private Geometry widestGeometry(final Geometry geometry) {
    if (geometry.isGeometryCollection()) {
        if (geometry.isEmpty()) {
            return geometry;
        } else {
            double widestWidth = 0;
            Geometry widestGeometry = null;
            // scan remaining geom components to see if any are wider
            for (final Geometry part : geometry.geometries()) {
                final double width = part.getBoundingBox().getWidth();
                if (widestGeometry == null || width > widestWidth) {
                    widestGeometry = part;
                    widestWidth = width;
                }
            }
            return widestGeometry;
        }
    } else {
        return geometry;
    }
}

Example 2 with Geometry

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

the class Graph method getNodes.

public List<Node<T>> getNodes(final Predicate<Node<T>> filter, final Geometry geometry, final double maxDistance) {
    final BoundingBox boundingBox = geometry.getBoundingBox().expand(maxDistance);
    final Predicate<Node<T>> distanceFilter = (node) -> {
        return filter.test(node) && node.distance(geometry) <= maxDistance;
    };
    return getNodes(boundingBox, distanceFilter, null);
}

Example 3 with Geometry

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

the class GeometryGraph method addGeometry.

public void addGeometry(Geometry geometry) {
    geometry = getGeometryFactory().geometry(geometry);
    final Map<String, Object> properties = new LinkedHashMap<>();
    final int geometryIndex = this.geometries.size();
    properties.put("geometryIndex", geometryIndex);
    this.geometries.add(geometry);
    for (int partIndex = 0; partIndex < geometry.getGeometryCount(); partIndex++) {
        properties.put("partIndex", partIndex);
        final Geometry part = geometry.getGeometry(partIndex);
        if (part instanceof Point) {
            final Point point = (Point) part;
            this.points.add(point);
        } else if (part instanceof LineString) {
            final LineString line = (LineString) part;
            final LineString points = line;
            properties.put("type", "LineString");
            addEdges(points, properties);
        } else if (part instanceof Polygon) {
            final Polygon polygon = (Polygon) part;
            int ringIndex = 0;
            for (final LinearRing ring : polygon.rings()) {
                properties.put("ringIndex", ringIndex++);
                if (ringIndex == 0) {
                    properties.put("type", "PolygonShell");
                } else {
                    properties.put("type", "PolygonHole");
                }
                addEdges(ring, properties);
            }
            properties.remove("ringIndex");
        }
    }
    this.boundingBox = this.boundingBox.expandToInclude(geometry);
}

Example 4 with Geometry

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

the class LineStringGraph method isSimple.

public boolean isSimple() {
    for (final Node<LineSegment> node : getNodes()) {
        if (node.getDegree() > 2) {
            return false;
        }
    }
    for (final Edge<LineSegment> edge : getEdges()) {
        final LineSegment line = edge.getObject();
        final EdgeObjectFilter<LineSegment> filter = new EdgeObjectFilter<>(new LineSegmentIntersectingFilter(line));
        final List<Edge<LineSegment>> edges = getEdges(line, filter);
        for (final Edge<LineSegment> edge2 : edges) {
            final LineSegment line2 = edge2.getObject();
            final Geometry intersections = line.getIntersection(line2);
            if (intersections instanceof LineSegment) {
                return false;
            } else if (intersections instanceof Point) {
                if (edge.getCommonNodes(edge2).isEmpty()) {
                    return false;
                }
            }
        }
    }
    return true;
}

Example 5 with Geometry

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

the class LineStringGraph method getSelfIntersections.

public Geometry getSelfIntersections() {
    final Set<Point> intersectionPoints = new HashSet<>();
    for (int i = 0; i < this.points.getVertexCount(); i++) {
        final Point point = this.points.getPoint(i);
        final Node<LineSegment> node = getNode(point);
        if (node.getDegree() > 2 || hasTouchingEdges(node)) {
            intersectionPoints.add(point);
        }
    }
    forEachEdge((edge1) -> {
        final LineSegment lineSegment1 = edge1.getObject();
        forEachEdge(edge1, (edge2) -> {
            if (edge1 != edge2) {
                final LineSegment lineSegment2 = edge2.getObject();
                final Geometry intersections = ((LineSegment) lineSegment1.convertGeometry(getGeometryFactory())).getIntersection(lineSegment2);
                for (final Point intersection : intersections.vertices()) {
                    if (!lineSegment1.isEndPoint(intersection) && !lineSegment2.isEndPoint(intersection)) {
                        intersectionPoints.add(intersection);
                    }
                }
            }
        });
    });
    return this.geometryFactory.punctual(intersectionPoints);
}