Symbolize by Numeric Field (Business Analyst)

Summary

Thematically maps a feature class based on a numeric field

Learn more about how Symbolize by Numeric Field works

Usage

Syntax

SymbolizeByNumericField_ba (InputFeatureLayer, Field, ClassificationSchemeParameterName, {NameField}, {UseSelectedFeatures}, {ColorSchemeParameterName})
ParameterExplanationData Type
InputFeatureLayer

The input feature layer.

Feature Layer
Field

The attribute field used to define the thematic map.

Field
ClassificationSchemeParameterName

The classification methods to thematically map your input feature class.

  • Natural BreaksUses natural breaks classification to produce a thematic map.
  • Std DeviationUses standard deviation classification method to produce a thematic map.
  • Equal IntervalUses equal interval classification method to produce a thematic map.
  • QuantileUses quantile classification method to produce a thematic map.
String
NameField
(Optional)

The attribute field used in the normalization calculations.

Field
UseSelectedFeatures
(Optional)

Identifies the features that will be used to generate the thematic map.

  • TRUEUses only selected features to generate the thematic map.
  • FALSEUses all features to generate the thematic map. This is the default.
Boolean
ColorSchemeParameterName
(Optional)

The color scheme for the thematic map.

String

Code Sample

SymbolizeByNumericField Example (Stand-alone Script)
# Name: SymbolizeByNumericField.py
# Description: Symbolizes block groups by total population.
# Author: ESRI

# Import system modules

import arcpy

arcpy.ImportToolbox("C:\Program Files\ArcGIS\Desktop10.0\ArcToolbox\Toolboxes\Business Analyst Tools.tbx")

try:
  # Acquire extension license 
  arcpy.CheckOutExtension("Business") 
 
  # Defines the parameters for the Symbolize by Numeric Field tool
  Input = "C:/Program Files/ArcGIS/Desktop10.0/Business Analyst/Data/BDS/esri_bg.bds"
  Fld= "TOTPOP_CY"
 
  # Thematically symbolizes a layer by a numeric field
  arcpy.SymbolizeByNumericField_ba(Input, Fld, "Equal Interval")
 
  # Release extension license 
  arcpy.CheckInExtension("Business")
     
except:
  print arcpy.GetMessages(2)

Environments

This tool does not use any geoprocessing environments

Related Topics

Licensing Information

ArcView: Requires Business Analyst
ArcEditor: Requires Business Analyst
ArcInfo: Requires Business Analyst

11/8/2010