geotrellis.raster.hydrology.HydrologyMethods.scala Maven / Gradle / Ivy

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package geotrellis.raster.hydrology

import geotrellis.raster.mapalgebra.focal.Square
import geotrellis.raster.Tile
import geotrellis.util.MethodExtensions


trait HydrologyMethods extends MethodExtensions[Tile] {
  def accumulation(): Tile = Accumulation(self)

  /**  Operation to compute a flow direction raster from an elevation raster
    * @see [[FlowDirection]]
    */
  def flowDirection(): Tile = FlowDirection(self)

  /** Fills sink values in a raster. Returns a Tile of DoubleConstantNoDataCellType
    * @see [[Fill]]
    */
  def fill(threshold: Double): Tile = Fill(self, Square(1), None, threshold)
}