geotrellis.spark.SpatialKey.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of geotrellis-spark_2.10 Show documentation

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

The newest version!

package geotrellis.spark

import org.apache.spark.rdd.RDD

/** A SpatialKey designates the spatial positioning of a layer's tile. */
case class SpatialKey(col: Int, row: Int) extends Product2[Int, Int] {
  def _1 = col
  def _2 = row
}

object SpatialKey {
  implicit def tupToKey(tup: (Int, Int)): SpatialKey =
    SpatialKey(tup._1, tup._2)

  implicit def keyToTup(key: SpatialKey): (Int, Int) =
    (key.col, key.row)

  implicit def ordering[A <: SpatialKey]: Ordering[A] =
    Ordering.by(sk => (sk.col, sk.row))

  implicit object Boundable extends Boundable[SpatialKey] {
    def minBound(a: SpatialKey, b: SpatialKey) = {
      SpatialKey(math.min(a.col, b.col), math.min(a.row, b.row))
    }
    def maxBound(a: SpatialKey, b: SpatialKey) = {
      SpatialKey(math.max(a.col, b.col), math.max(a.row, b.row))
    }
  }
}