Examples with LineSegment com.revolsys.geometry.model.segment.LineSegment used on opensource projects

Example 21 with LineSegment

use of com.revolsys.geometry.model.segment.LineSegment in project com.revolsys.open by revolsys.

the class LineMatchGraph method add.

private void add(final LineString line, final int index) {
    if (line.getLength() > 0) {
        final LineString coords = line;
        final Point coordinate0 = coords.getPoint(0);
        final Node<LineSegmentMatch> node = getNode(coordinate0);
        final Set<Node<LineSegmentMatch>> indexStartNodes = getStartNodes(index);
        indexStartNodes.add(node);
        Point previousCoordinate = coordinate0;
        for (int i = 1; i < coords.getVertexCount(); i++) {
            final Point coordinate = coords.getPoint(i);
            final LineSegment segment = new LineSegmentDoubleGF(this.geometryFactory, previousCoordinate, coordinate);
            if (segment.getLength() > 0) {
                add(previousCoordinate, coordinate, segment, index);
            }
            previousCoordinate = coordinate;
        }
    }
}

Example 22 with LineSegment

use of com.revolsys.geometry.model.segment.LineSegment in project com.revolsys.open by revolsys.

the class LineMatchGraph method splitEdge.

@Override
public List<Edge<LineSegmentMatch>> splitEdge(final Edge<LineSegmentMatch> edge, final Point point) {
    final LineSegmentMatch lineSegmentMatch = edge.getObject();
    final LineSegment segment = lineSegmentMatch.getSegment();
    final Edge<LineSegmentMatch> edge1 = add(segment.getPoint(0), point);
    final LineSegmentMatch lineSegmentMatch1 = edge1.getObject();
    final Edge<LineSegmentMatch> edge2 = add(point, segment.getPoint(1));
    final LineSegmentMatch lineSegmentMatch2 = edge2.getObject();
    for (int i = 0; i < lineSegmentMatch.getSegmentCount(); i++) {
        if (lineSegmentMatch.hasSegment(i)) {
            final LineSegment realSegment = lineSegmentMatch.getSegment(i);
            final Point projectedCoordinate = realSegment.project(point);
            final Point startCoordinate = realSegment.getPoint(0);
            final LineSegment segment1 = new LineSegmentDoubleGF(this.geometryFactory, startCoordinate, projectedCoordinate);
            lineSegmentMatch1.addSegment(segment1, i);
            final Point endCoordinate = realSegment.getPoint(1);
            final LineSegment segment2 = new LineSegmentDoubleGF(this.geometryFactory, projectedCoordinate, endCoordinate);
            lineSegmentMatch2.addSegment(segment2, i);
        }
    }
    remove(edge);
    return Arrays.asList(edge1, edge2);
}

Example 23 with LineSegment

use of com.revolsys.geometry.model.segment.LineSegment in project com.revolsys.open by revolsys.

the class LineSegmentIndex method isWithinDistance.

public boolean isWithinDistance(final Point point) {
    BoundingBox envelope = point.getBoundingBox();
    envelope = envelope.expand(1);
    final List<LineSegment> lines = getItems(envelope);
    for (final LineSegment line : lines) {
        if (line.distancePoint(point) <= 1) {
            return true;
        }
    }
    return false;
}

Example 24 with LineSegment

use of com.revolsys.geometry.model.segment.LineSegment in project com.revolsys.open by revolsys.

the class MonotoneChainOverlapAction method overlap.

/**
 * This function can be overridden if the original chains are needed
 *
 * @param start1 the index of the start of the overlapping segment from mc1
 * @param start2 the index of the start of the overlapping segment from mc2
 */
public void overlap(final MonotoneChain mc1, final int start1, final MonotoneChain mc2, final int start2) {
    final LineSegment overlapSeg1 = mc1.getLineSegment(start1);
    final LineSegment overlapSeg2 = mc2.getLineSegment(start2);
    overlap(overlapSeg1, overlapSeg2);
}

Example 25 with LineSegment

use of com.revolsys.geometry.model.segment.LineSegment in project com.revolsys.open by revolsys.

the class MonotoneChainSelectAction method select.

/**
 * This method is overridden
 * to process a segment
 * in the context of the parent chain.
 *
 * @param mc the parent chain
 * @param startIndex the index of the start vertex of the segment being processed
 */
public void select(final MonotoneChain mc, final int startIndex) {
    final LineSegment selectedSegment = mc.getLineSegment(startIndex);
    // call this routine in case select(segmenet) was overridden
    select(selectedSegment);
}