geotrellis.engine.io.LoadRaster.scala Maven / Gradle / Ivy

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GeoTrellis is an open source geographic data processing engine for high performance applications.

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/*
 * 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.engine.io

import geotrellis.raster._
import geotrellis.engine._

@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
object LoadRaster {
  def apply(n: String): LoadRaster =
    LoadRaster(LayerId(n), None)

  def apply(n: String, re: RasterExtent): LoadRaster =
    LoadRaster(LayerId(n), Some(re))

  def apply(ds: String, n: String): LoadRaster =
    LoadRaster(LayerId(ds, n), None)

  def apply(ds: String, n: String, re: RasterExtent): LoadRaster =
    LoadRaster(LayerId(ds, n), Some(re))
}

/**
 * Load the raster data for a particular extent/resolution for the
 * raster layer in the catalog with name 'n'
 */
@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
case class LoadRaster(layerId: Op[LayerId],
                      r: Op[Option[RasterExtent]]) extends Op[Tile] {
  def _run() = runAsync(List(layerId, r))
  val nextSteps: Steps[Tile] = {
    case (layerId: LayerId) :: (re: Option[_]) :: Nil =>
      LayerResult { layerLoader =>
        layerLoader.getRasterLayer(layerId)
                   .getRaster(re.asInstanceOf[Option[RasterExtent]])
      }
  }
}