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• 0.9.2
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• Undefined.scala

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

package geotrellis.raster.op.local

import geotrellis._
import geotrellis.process._

/**
 * Maps values to 1 if the are NoData values, otherwise 0.
 */
object Undefined 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)) 1 else 0).convert(TypeBit))
}