Symbolize by Dot Density (Business Analyst)

License Level:BasicStandardAdvanced

Summary

Thematically maps a feature class based on a numeric field as dots on the map to convey the intensity of an attribute.

Usage

Syntax

SymbolizeByDotDensity_ba (InputFeatureLayer, Field, DotSizeParameterName, ColorParameterName, {UseSelectedFeatures})
ParameterExplanationData Type
InputFeatureLayer

The input feature layer.

Feature Layer
Field

The attribute field used to define the thematic map.

String
DotSizeParameterName

The numeric value that represents the field selection to be symbolized.

Double
ColorParameterName

The color assigned to the points to be symbolized.

Long
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

Code Sample

SymbolizeByDotDensity Example (Stand-alone Script)
# Name: SymbolizeByDotDensity.py
# Description: Symbolizes block groups by dot density using total population.
# Author: Esri

# Import system modules
import arcpy

arcpy.ImportToolbox("C:\Program Files (x86)\ArcGIS\Desktop10.2\Business Analyst\ArcToolbox\Toolboxes\Business Analyst Tools.tbx")

try:
# Acquire extension license 
  arcpy.CheckOutExtension("Business")
 
# Defines the parameters for the Symbolize by Dot Density tool
  Input = "C:/ArcGIS/Business Analyst/US_2013/Data/BDS/esri_bg.bds"
  Fld= "TOTPOP_CY"
 
# Thematically symbolizes a polygon layer by dot density
# Red point is -65536
  arcpy.SymbolizeByDotDensity_ba(sInput, sFld, 10, -65536)
 
# Release extension license 
  arcpy.CheckInExtension("Business") 
 
except:
  print arcpy.GetMessages(2)

Environments

This tool does not use any geoprocessing environments

Related Topics

Licensing Information

ArcGIS for Desktop Basic: Requires Business Analyst
ArcGIS for Desktop Standard: Requires Business Analyst
ArcGIS for Desktop Advanced: Requires Business Analyst
3/3/2014