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Float

Available with Spatial Analyst license.

Available with Image Analyst license.

Available with 3D Analyst license.

Summary

Converts each cell value of a raster into a floating-point representation.

Illustration

Float illustration
OutRas = Float (InRas1)

Usage

  • The input values can be positive or negative.

  • If you execute Float on an input that is already floating point, the output values will remain the same as the input values.

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

Syntax

Float (in_raster_or_constant)
ParameterExplanationData Type
in_raster_or_constant

The input raster to be converted to floating point.

In order 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

NameExplanationData Type
out_raster

The output raster.

The cell values are the floating-point representation of the input values.

Raster

Code sample

Float example 1 (Python window)

This example converts the input raster values to floating point.

import arcpy
from arcpy import env
from arcpy.sa import *
env.workspace = "C:/sapyexamples/data"
outFloat = Float("landuse")
outFloat.save("C:/sapyexamples/output/outfloat2")
Float example 2 (stand-alone script)

This example converts the input raster values to floating point.

# Name: Float_Ex_02.py
# Description: Converts each cell value of a raster into a floating-point representation
# 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 = "landuse"

# Execute Float
outFloat = Float(inRaster)

# Save the output 
outFloat.save("C:/sapyexamples/output/outfloat")

Licensing information

  • ArcGIS Desktop Basic: Requires Spatial Analyst or Image Analyst or 3D Analyst
  • ArcGIS Desktop Standard: Requires Spatial Analyst or Image Analyst or 3D Analyst
  • ArcGIS Desktop Advanced: Requires Spatial Analyst or Image Analyst or 3D Analyst

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