Threshold

Summary

Creates a raster object by dividing an input raster into two distinct classes, where a high-value class is displayed with white pixels and a low-value class is displayed with black pixels.

Discussion

For more information about how this function works, see the Binary Thresholding raster function.

The referenced raster dataset for the raster object is temporary. To make it permanent, you can call the raster object's save method.

Syntax

Threshold (raster)
ParameterExplanationData Type
raster

The input raster.

Raster
Return Value
Data TypeExplanation
Raster

The output raster.

Code sample

Threshold example

Divides a Landsat 8 image into two classes.

import arcpy

Binary_raster = arcpy.ia.Threshold("Landsat8.TIF")