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2 In the Style Editor, under Scale Ranges, select the scale range to theme.
For more information about scale ranges, see
Defining Scale Ranges (page
643).
3 In the Polygon Style, Point Style, or Line Style area, click New Theme.
4 To analyze features based on values that fall into various numerical ranges,
do the following in the Theme dialog box (page 1645):
■ For Property, select the property on which to base the theme.
■ For properties with numeric values, specify the Minimum Value and
Maximum Value for the range.
■ For properties with numeric values, select a Distribution method. For
more information about distribution methods, see the Concepts tab
of this topic.
The first rule includes the Minimum Value and the last rule includes
the Maximum Value. Styles are interpolated across the range.
You can specify the number of rules to create if Distribution method
is Equal, Quantile, or Jenks (Natural Breaks). Properties containing
strings use an Individual Values distribution that does not allow the
number of rules to be edited. Adjust the number of rules to control
the granularity of the theme.
■ If you are editing an existing theme, you can replace any existing
rules by selecting Replace existing rules.
5 The default Style Range shows the styles that will be used for each rule.
Your options depend on the type of geometry stored on this feature layer.
■ For polygon features, see
To set styling options for polygon features
(page 1172).
■ For line features, see To set styling options for line features (page 1174).
■ For point features, see To set styling options for point features (page
1175).
6 To add labels to features in the theme, do the following:
■ Select the Create Feature Labels check box.
■ Next to Label Ramp, click
■ Select Create A Label and specify the criteria for the labels.
Theming Features | 1169