Square Root (Spatial Analyst)

Summary

Calculates the square root of the cell values in a raster.

Usage

• Input values that are less than 0 will be NoData in the output raster.

• The output raster from this tool is always floating-point type, regardless of the input value type.

• If the input is a multiband raster, the output will be a multiband raster. The tool will perform the operation on each band in the input.

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

Syntax

`SquareRoot(in_raster_or_constant)`
 Parameter Explanation Data Type in_raster_or_constant The input values to find the square root of.To use a number as an input for this parameter, the cell size and extent must first be set in the environment. Raster Layer; Constant

Return Value

 Name Explanation Data Type out_raster The output raster.The cell values are the square root of the input cell values. Raster

Code sample

SquareRoot example 1 (Python window)

This example finds the square root of the values in the input Grid raster and generates the output as an IMG raster.

``````import arcpy
from arcpy import env
from arcpy.sa import *
env.workspace = "C:/sapyexamples/data"
outSquareRoot = SquareRoot("elevation")
outSquareRoot.save("C:/sapyexamples/output/outsqrt.img")``````
SquareRoot example 2 (stand-alone script)

This example finds the square root of the values in the input Grid raster.

``````# Name: SquareRoot_Ex_02.py
# Description: Calculates the square root of cells in a raster
# 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
inRaster = "elevation"

# Execute SquareRoot
outSQRT = SquareRoot(inRaster)

# Save the output
outSQRT.save("C:/sapyexamples/output/outsqrt")``````

Licensing information

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