Skip To Content

Combinatorial And

Available with Spatial Analyst license.

Available with Image Analyst license.

Summary

Performs a Combinatorial And operation on the cell values of two input rasters.

If both input values are true (non-zero), the output is a different value for each unique combination of input values. If one or both inputs are false (zero), the output value is 0.

Learn more about how Combinatorial tools work

Illustration

Combinatorial And illustration
OutRas = CombinatorialAnd(InRas1, InRas2)

Usage

  • The Combinatorial math tools interpret the inputs as Boolean values, where nonzero values are considered true, and zero values are considered false.

  • Two inputs are necessary for this Combinatorial evaluation to take place.

  • The order of inputs for this tool is only relevant for the output attribute table.

  • See Analysis environments and Spatial Analyst for additional details on the geoprocessing environments that apply to this tool.

Syntax

CombinatorialAnd (in_raster_or_constant1, in_raster_or_constant2)
ParameterExplanationData Type
in_raster_or_constant1

The first input to use in this combinatorial operation.

It must be of positive integer type.

A number can be used as an input for this parameter, provided a raster is specified for the other parameter. To be able to specify a number for both inputs, the cell size and extent must first be set in the environment.

Raster Layer; Constant
in_raster_or_constant2

The second input to use in this combinatorial operation.

It must be of positive integer type.

A number can be used as an input for this parameter, provided a raster is specified for the other parameter. To be able to specify a number for both inputs, the cell size and extent must first be set in the environment.

Raster Layer; Constant

Return Value

NameExplanationData Type
out_raster

The output raster.

The output is always of integer type.

Raster

Code sample

CombinatorialAnd example 1 (Python window)

This example performs a Combinatorial And operation on two GRID rasters and outputs the result as a TIFF raster.

import arcpy
from arcpy import env
from arcpy.sa import *
env.workspace = "C:/sapyexamples/data"
outCAnd = CombinatorialAnd("degs", "cost")
outCAnd.save("C:/sapyexamples/output/outcand.tif")
CombinatorialAnd example 2 (stand-alone script)

This example performs a Combinatorial And operation on two GRID rasters.

# Name: CombinatorialAnd_Ex_02.py
# Description: Performs a Combinatorial And operation on the cell
#              values of two input rasters
# Requirements: Spatial Analyst Extension

# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *

# Set environment settings
env.workspace = "C:/sapyexamples/data"

# Set local variables
inRaster1 = "degs"
inRaster2 = "cost"

# Execute CombinatorialAnd
outCAnd = CombinatorialAnd(inRaster1, inRaster2)

# Save the output 
outCAnd.save("C:/sapyexamples/output/outcand")

Licensing information

  • ArcGIS Desktop Basic: Requires Spatial Analyst or Image Analyst
  • ArcGIS Desktop Standard: Requires Spatial Analyst or Image Analyst
  • ArcGIS Desktop Advanced: Requires Spatial Analyst or Image Analyst

Related topics