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• geotrellis_2.10
• 0.9.2
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• Defined.scala

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

package geotrellis.raster.op.local

import geotrellis._
import geotrellis.process._

/**
 * Maps values to 0 if the are NoData values, otherwise 1.
 */
object Defined extends Serializable {
  /** Maps an integer typed Raster to 1 if the cell value is not NODATA, otherwise 0. */
  def apply(r:Op[Raster]) = 
    r.map(_.map(z => if(isNoData(z)) 0 else 1).convert(TypeBit))
}