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

Example 91 with LineString

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

the class LineMatchGraph method getMatchedLinesList.

public List<LineString> getMatchedLinesList(final int index1, final int index2) {
    final List<LineString> lines = new ArrayList<>();
    final Set<Edge<LineSegmentMatch>> processedEdges = new HashSet<>();
    for (Node<LineSegmentMatch> currentNode : getStartNodes(index2)) {
        final List<Point> coordinates = new ArrayList<>();
        while (currentNode != null) {
            Node<LineSegmentMatch> nextNode = null;
            final List<Edge<LineSegmentMatch>> edges = currentNode.getOutEdges();
            for (final Edge<LineSegmentMatch> edge : edges) {
                final LineSegmentMatch lineSegmentMatch = edge.getObject();
                if (lineSegmentMatch.hasSegment(index2) && !processedEdges.contains(edge)) {
                    if (lineSegmentMatch.hasMatches(index1, index2)) {
                        if (coordinates.isEmpty()) {
                            final Point startCoordinate = currentNode;
                            coordinates.add(startCoordinate);
                        }
                        final Node<LineSegmentMatch> toNode = edge.getToNode();
                        final Point toCoordinate = toNode;
                        coordinates.add(toCoordinate);
                    } else {
                        newLine(lines, coordinates);
                        coordinates.clear();
                    }
                    processedEdges.add(edge);
                    nextNode = edge.getToNode();
                }
            }
            currentNode = nextNode;
        }
        newLine(lines, coordinates);
    }
    return lines;
}

Example 92 with LineString

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

the class GraphProcessor method process.

@Override
protected void process(final Channel<Record> in, final Channel<Record> out, final Record object) {
    final Geometry geometry = object.getGeometry();
    if (geometry instanceof LineString) {
        final LineString line = (LineString) geometry;
        this.graph.addEdge(object, line);
    } else {
        if (out != null) {
            out.write(object);
        }
    }
}

Example 93 with LineString

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

the class BoundingBoxIntersectsEdgeVisitor method getEdges.

public static <T> List<Edge<T>> getEdges(final Graph<T> graph, final Edge<T> edge, final double maxDistance) {
    final CreateListVisitor<Edge<T>> results = new CreateListVisitor<>();
    final LineString line = edge.getLineString();
    BoundingBox boundingBox = line.getBoundingBox();
    boundingBox = boundingBox.expand(maxDistance);
    final BoundingBoxIntersectsEdgeVisitor<T> visitor = new BoundingBoxIntersectsEdgeVisitor<>(boundingBox, results);
    final IdObjectIndex<Edge<T>> index = graph.getEdgeIndex();
    index.forEach(boundingBox, visitor);
    final List<Edge<T>> list = results.getList();
    list.remove(edge);
    return list;
}

Example 94 with LineString

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

the class EdgeIntersectsLinearlyEdgeVisitor method accept.

@Override
public void accept(final Edge<T> edge2) {
    if (edge2 != this.edge) {
        final LineString line1 = this.edge.getLineString();
        final LineString line2 = edge2.getLineString();
        final BoundingBox envelope1 = line1.getBoundingBox();
        final BoundingBox envelope2 = line2.getBoundingBox();
        if (envelope1.intersects(envelope2)) {
            final IntersectionMatrix relate = line1.relate(line2);
            if (relate.get(0, 0) == Dimension.L) {
                this.matchVisitor.accept(edge2);
            }
        }
    }
}

Example 95 with LineString

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

the class EdgeIntersectsLinearlyEdgeVisitor method getEdges.

public static <T> List<Edge<T>> getEdges(final Graph<T> graph, final Edge<T> edge) {
    final CreateListVisitor<Edge<T>> results = new CreateListVisitor<>();
    final LineString line = edge.getLineString();
    final BoundingBox env = line.getBoundingBox();
    final IdObjectIndex<Edge<T>> index = graph.getEdgeIndex();
    index.forEach(env, new EdgeIntersectsLinearlyEdgeVisitor<>(edge, results));
    final List<Edge<T>> edges = results.getList();
    Collections.sort(edges);
    return edges;
}