/
ByteGeoTiffTile.scala
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/
ByteGeoTiffTile.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.io.geotiff
import geotrellis.raster._
import geotrellis.raster.io.geotiff.compression._
class ByteGeoTiffTile(
val segmentBytes: SegmentBytes,
val decompressor: Decompressor,
segmentLayout: GeoTiffSegmentLayout,
compression: Compression,
val cellType: ByteCells with NoDataHandling
) extends GeoTiffTile(segmentLayout, compression) with ByteGeoTiffSegmentCollection {
val noDataValue: Option[Byte] = cellType match {
case ByteCellType => None
case ByteConstantNoDataCellType => Some(Byte.MinValue)
case ByteUserDefinedNoDataCellType(nd) => Some(nd)
}
def withNoData(noDataValue: Option[Double]): ByteGeoTiffTile =
new ByteGeoTiffTile(segmentBytes, decompressor, segmentLayout, compression, cellType.withNoData(noDataValue))
def interpretAs(newCellType: CellType): Tile = {
newCellType match {
case dt: ByteCells with NoDataHandling =>
new ByteGeoTiffTile(segmentBytes, decompressor, segmentLayout, compression, dt)
case _ =>
withNoData(None).convert(newCellType)
}
}
}