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

Example 66 with Point

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

the class DistanceToPointFinder method computeDistance.

public static void computeDistance(final LineString line, final Point pt, final PointPairDistance ptDist) {
    for (final Segment segment : line.segments()) {
        // this is somewhat inefficient - could do better
        final Point closestPt = segment.closestPoint(pt);
        ptDist.setMinimum(closestPt, pt);
    }
}

Example 67 with Point

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

the class DistanceToPointFinder method computeDistance.

public static void computeDistance(final Geometry geometry, final Point pt, final PointPairDistance ptDist) {
    if (geometry instanceof LineString) {
        computeDistance(geometry, pt, ptDist);
    } else if (geometry instanceof Polygon) {
        computeDistance(geometry, pt, ptDist);
    } else if (geometry.isGeometryCollection()) {
        for (int i = 0; i < geometry.getGeometryCount(); i++) {
            final Geometry g = geometry.getGeometry(i);
            computeDistance(g, pt, ptDist);
        }
    } else {
        // assume geom is Point
        ptDist.setMinimum(geometry.getPoint(), pt);
    }
}

Example 68 with Point

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

the class DistanceOp method computeContainmentDistance.

private boolean computeContainmentDistance(final List<Point> points, final List<Polygon> polygons) {
    for (final Point point : points) {
        final double x = point.getX();
        final double y = point.getY();
        for (final Polygon polygon : polygons) {
            if (computeContainmentDistance(polygon, x, y)) {
                return true;
            }
        }
    }
    return false;
}

Example 69 with Point

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

the class OffsetPointGenerator method extractPoints.

private void extractPoints(final LineString line, final double offsetDistance, final List<Point> offsetPts) {
    final int vertexCount = line.getVertexCount();
    double x1 = line.getX(0);
    double y1 = line.getY(0);
    for (int vertexIndex = 1; vertexIndex < vertexCount; vertexIndex++) {
        final double x2 = line.getX(vertexIndex);
        final double y2 = line.getY(vertexIndex);
        computeOffsetPoints(x1, y1, x2, y2, offsetDistance, offsetPts);
        x1 = x2;
        y1 = y2;
    }
}

Example 70 with Point

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

the class PolygonizeGraph method addEdge.

/**
 * Add a {@link LineString} forming an edge of the polygon graph.
 * @param line the line to add
 */
public void addEdge(final LineString line) {
    final LineString cleanLine = line.removeDuplicatePoints();
    if (cleanLine.isEmpty()) {
        return;
    }
    if (cleanLine.getVertexCount() < 2) {
        return;
    }
    final Point startPt = cleanLine.getVertex(0).newPoint2D();
    final Point endPt = cleanLine.getToVertex(0).newPoint2D();
    final Node nStart = getNode(startPt);
    final Node nEnd = getNode(endPt);
    final DirectedEdge de0 = new PolygonizeDirectedEdge(nStart, nEnd, cleanLine.getVertex(1).newPoint2D(), true);
    final DirectedEdge de1 = new PolygonizeDirectedEdge(nEnd, nStart, cleanLine.getVertex(-2).newPoint2D(), false);
    final Edge edge = new PolygonizeEdge(line);
    edge.setDirectedEdges(de0, de1);
    add(edge);
}