geotrellis.engine.io.LoadRasterDefinition.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.engine._
import geotrellis.raster._

@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
object LoadRasterDefinition {
  def apply(n: String): LoadRasterDefinition =
    LoadRasterDefinition(LayerId(n))

  def apply(ds: String, n: String): LoadRasterDefinition =
    LoadRasterDefinition(LayerId(ds, n))
}

/**
  * Load the [[RasterDefinition]] from the raster layer with the specified name.
  */
@deprecated("geotrellis-engine has been deprecated", "Geotrellis Version 0.10")
case class LoadRasterDefinition(layerId: Op[LayerId]) extends Op[RasterDefinition] {
  def _run() = runAsync(List(layerId))
  val nextSteps: Steps[RasterDefinition] = {
    case (layerId: LayerId) :: Nil =>
      LayerResult { layerLoader =>
        val info = layerLoader.getRasterLayer(layerId).info
        RasterDefinition(layerId, info.rasterExtent, info.tileLayout, info.cellType)
      }
  }
}