• Home
• com.azavea.geotrellis
• geotrellis_2.10
• 0.9.2
• source code
• Negate.scala

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

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

package geotrellis.raster.op.local

import geotrellis._
import geotrellis.process._

/**
 * Negate (multiply by -1) each value in a raster.
 */
object Negate extends Serializable {
  def apply(r:Op[Raster]) = 
    r.map(_.dualMap(z => if(isNoData(z)) z else -z)
                   (z => if(isNoData(z)) z else -z))
     .withName("Negate[Raster]")
}