geotrellis.raster.mapalgebra.local.Round.scala Maven / Gradle / Ivy

Go to download
/*
 * Copyright (c) 2014 Azavea.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package geotrellis.raster.mapalgebra.local

import geotrellis.raster._


/**
  * Computes the Round of Tile or single values.
  */
object Round extends Serializable {
  /**
    * Round the values of a Tile.
    */
  def apply(r: Tile): Tile =
    r.dualMap { z: Int => z }
              { z: Double => if(isNoData(z)) Double.NaN else math.round(z).toDouble }
}