/
SplitMethods.scala
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/
SplitMethods.scala
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/*
* Copyright 2016 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.split
import geotrellis.raster._
import geotrellis.util.MethodExtensions
import Split.Options
trait SplitMethods[T <: Grid[Int]] extends MethodExtensions[T] {
/**
* Splits this into an array of elements based on a TileLayout.
* The array will be in row order form such that the top left element is first.
*
* @param tileLayout TileLayout defining the tiles to be generated
*
* @return An array of T
*/
def split(tileLayout: TileLayout): Seq[T] =
split(tileLayout, Options.DEFAULT)
/**
* Splits this into an array of elements based on a TileLayout.
* The array will be in row order form such that the top left element is first.
*
* @param tileLayout TileLayout defining the tiles to be generated
* @param options Options that control the split
*
* @return An array of T
*/
def split(tileLayout: TileLayout, options: Options): Seq[T]
/**
* Splits this into an array of elements based on a columns and rows to be in each tile.
* The array will be in row order form such that the top left element is first.
*
* @param cols Column count of output tiles
* @param rows Row count of output tiles
* @param options Options that control the split
*
* @return An array of T
*/
def split(cols: Int, rows: Int): Seq[T] =
split(TileLayout(
layoutCols = math.ceil(self.cols.toDouble / cols.toDouble).toInt,
layoutRows = math.ceil(self.rows.toDouble / rows.toDouble).toInt,
tileCols = cols,
tileRows = rows))
/**
* Splits this into an array of elements into square tiles.
* The array will be in row order form such that the top left element is first.
*
* @param cols Column and row count of output tiles
* @param options Options that control the split
*
* @return An array of T
*/
def split(cells: Int): Seq[T] = split(cells, cells)
}