case classHadoopRead(arg: JsonRead) extends Input[RDD[(ProjectedExtent, MultibandTile)]] with Product with Serializable
case classPerTileReproject(node: Node[RDD[(ProjectedExtent, MultibandTile)]], arg: Reproject) extends Transform[RDD[(ProjectedExtent, MultibandTile)], RDD[(ProjectedExtent, MultibandTile)]] with Product with Serializable