Symbolize by Chart (Business Analyst)
Zusammenfassung
Thematically maps a feature class based on a numeric field and displays it as a symbolized chart
Verwendung
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Charts can be effective for comparing several values at once. For example, you could display ZIP Codes as a pie chart, with each wedge representing population by race.
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Compares only a few areas (20 or 30 at most).
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Use five or less categories on your chart.
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Make sure the values between points vary enough to show differences.
Syntax
SymbolizeByChart_ba (InputFeatureLayer, ChartType, SelectedFields, {UseSelectedFeatures}, {ColorScheme})
Parameter | Erläuterung | Datentyp |
InputFeatureLayer |
The input feature layer. | Feature Layer |
ChartType |
The type of chart to be displayed in the thematic map.
| String |
SelectedFields [SelectedField,...] |
The attributes to be symbolized in the chart. | Field |
UseSelectedFeatures (optional) |
Defines the features that will be used to generate the thematic map.
| Boolean |
ColorScheme (optional) |
Selects a predefined color scheme for the thematic map. | String |
Codebeispiel
SymbolizeByChart Example (Stand-alone Script)
# Name: SymbolizeByChart.py # Description: Symbolizes block groups by total population and total households. # Author: ESRI # Import system modules import arcpy arcpy.AddToolbox("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 Chart tool Input = "C:/Program Files/ArcGIS/Desktop10.0/Business Analyst/Data/BDS/esri_bg.bds" Flds= "TOTPOP_CY;HHPOP_CY" # Thematically symbolizes a layer by chart arcpy.SymbolizeByChart_ba (Input, "Bar Chart", Flds) # Release extension license arcpy.CheckInExtension("Business") except: print arcpy.GetMessages(2)
Umgebungen
Dieses Werkzeug verwendet keine Geoverarbeitungsumgebungen.
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Lizenzinformationen
ArcView: Erfordert Business Analyst
ArcEditor: Erfordert Business Analyst
ArcInfo: Erfordert Business Analyst
10/4/2010