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geotrellis.raster.io.ascii.IntReadState.scala Maven / Gradle / Ivy
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GeoTrellis is an open source geographic data processing engine for high performance applications.
/*
* 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.raster.io.ascii
import geotrellis.raster._
trait IntReadState extends ReadState {
// must override
def getNoDataValue: Int
protected[this] override def translate(tile: MutableArrayTile) {
var i = 0
val len = tile.size
val nd = getNoDataValue
while (i < len) {
if (tile(i) == nd) tile(i) = NODATA
i += 1
}
}
}