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• 0.9.2
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• Floor.scala

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geotrellis.raster.op.local.Floor.scala Maven / Gradle / Ivy

package geotrellis.raster.op.local

import geotrellis._

/**
 * Operation to get the flooring of values.
 */
object Floor extends Serializable {
  /** Takes the Flooring of each raster cell value. */
  def apply(r:Op[Raster]) = 
    r.map(_.dualMap(z => z)(z => math.floor(z))) // math.floor(Double.NaN) == Double.NaN
     .withName("Floor")
}