geotrellis.vector.prepared.PreparedGeometry.scala Maven / Gradle / Ivy

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GeoTrellis is an open source geographic data processing engine for high performance applications.

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package geotrellis.vector
package prepared

import com.vividsolutions.jts.geom.prep.PreparedGeometryFactory

/** This case class provides functionality corresponding to JTS' prepared geometries.
  * Prepared geometries carry out some computations which, in certain cases, provide significant
  * performance enhancements to operations over those geometries. See Chris Bennight's
  * [[https://github.com/chrisbennight/intersection-test writeup and benchmarks]] for more.
  */
case class PreparedGeometry[G <: Geometry](val geom: Geometry) {
  private val prepared = PreparedGeometry.factory.create(geom.jtsGeom)
  def contains(that: Geometry): Boolean =
    prepared.contains(that.jtsGeom)

  def containsProperly(that: Geometry): Boolean =
    prepared.containsProperly(that.jtsGeom)

  def coveredBy(that: Geometry): Boolean =
    prepared.coveredBy(that.jtsGeom)

  def covers(that: Geometry): Boolean =
    prepared.covers(that.jtsGeom)

  def crosses(that: Geometry): Boolean =
    prepared.crosses(that.jtsGeom)

  def disjoint(that: Geometry): Boolean =
    prepared.disjoint(that.jtsGeom)

  def intersects(that: Geometry): Boolean =
    prepared.intersects(that.jtsGeom)

  def overlaps(that: Geometry): Boolean =
    prepared.overlaps(that.jtsGeom)

  def touches(that: Geometry): Boolean =
    prepared.touches(that.jtsGeom)

  def within(that: Geometry): Boolean =
    prepared.within(that.jtsGeom)
}

/** Companion object to [[PreparedGeometry]] */
object PreparedGeometry {
  private val factory = new PreparedGeometryFactory 
}