IndexedPointOnLineLocator.java

/*
 * Copyright (c) 2020 Martin Davis
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * and Eclipse Distribution License v. 1.0 which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v20.html
 * and the Eclipse Distribution License is available at
 *
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */
package org.locationtech.jts.operation.overlayng;

import org.locationtech.jts.algorithm.PointLocator;
import org.locationtech.jts.algorithm.locate.PointOnGeometryLocator;
import org.locationtech.jts.geom.Coordinate;
import org.locationtech.jts.geom.Geometry;

/**
 * Locates points on a linear geometry,
 * using a spatial index to provide good performance.
 * 
 * @author mdavis
 *
 */
class IndexedPointOnLineLocator implements PointOnGeometryLocator {

  private Geometry inputGeom;

  public IndexedPointOnLineLocator(Geometry geomLinear) {
    this.inputGeom = geomLinear;
  }

  @Override
  public int locate(Coordinate p) {
    // TODO: optimize this with a segment index
    PointLocator locator = new PointLocator();
    return locator.locate(p, inputGeom);
  }

}