geotrellis.raster.op.local.Equal.scala Maven / Gradle / Ivy
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package geotrellis.raster.op.local
import geotrellis._
import geotrellis.source._
/**
* Determines if values are equal. Sets to 1 if true, else 0.
*/
object Equal extends LocalRasterBinaryOp {
def combine(z1:Int,z2:Int) =
if(z1 == z2) 1 else 0
def combine(z1:Double,z2:Double):Double =
if(isNoData(z1)) { if(isNoData(z2)) 1 else 0 }
else {
if(isNoData(z2)) { 0 }
else {
if(z1 == z2) 1
else 0
}
}
}
trait EqualOpMethods[+Repr <: RasterSource] { self: Repr =>
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* integer, else 0.
*/
def localEqual(i: Int) = self.mapOp(Equal(_, i))
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* integer, else 0.
*/
def ===(i:Int) = localEqual(i)
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* integer, else 0.
*/
def ===:(i:Int) = localEqual(i)
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* double, else 0.
*/
def localEqual(d: Double) = self.mapOp(Equal(_, d))
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* double, else 0.
*/
def ===(d:Double) = localEqual(d)
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell value of the input raster is equal to the input
* double, else 0.
*/
def ===:(d:Double) = localEqual(d)
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell valued of the rasters are equal, else 0.
*/
def localEqual(rs:RasterSource) = self.combineOp(rs)(Equal(_,_))
/**
* Returns a Raster with data of TypeBit, where cell values equal 1 if
* the corresponding cell valued of the rasters are equal, else 0.
*/
def ===(rs:RasterSource) = localEqual(rs)
}