geotrellis.engine.io.LoadFile.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._

/**
 * Load the raster data for a particular extent/resolution from the specified file.
 */
@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
case class LoadFile(p: Op[String]) extends Operation[Tile] {
  def _run() = runAsync(List(p))
  val nextSteps: Steps[Tile] = {
    case (path: String) :: Nil =>
      LayerResult { layerLoader =>
        layerLoader.getRasterLayerFromPath(path).getRaster
      }
  }
}

/**
 * Load the raster data from the specified file, using the RasterExtent provided.
 */
@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
case class LoadFileWithRasterExtent(p: Op[String], e: Op[RasterExtent]) extends Operation[Tile] {
  def _run() = runAsync(List(p, e))
  val nextSteps: Steps[Tile] = {
    case (path: String) :: (re: RasterExtent) :: Nil =>
      LayerResult { layerLoader =>
        layerLoader.getRasterLayerFromPath(path).getRaster(Some(re))
      }
  }
}

@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
object LoadFile {
  def apply(p: Op[String], e: Op[RasterExtent]) = LoadFileWithRasterExtent(p, e)
}