2011

Table Of Contents
Expression. Specify an expression.
Proportional. Distribute the property values proportionally into each
new feature based on the numeric value in the Based On field.
Expression
Specify a custom calculation. Enter the expression for the calculation, or
click to use the Split Rule Expression dialog box.
This option is displayed when the Split Rule is set to Calculation or when
the selected property is a string. For more information, see Overview of
Expressions for Geospatial Features.
Based On
Specify the value the Proportional rule uses to distribute the property values.
This option is displayed when Split Rule is set to Proportional.
Merge Rule
Specify the rule for calculating class property values when you merge
features.
Average. Average the property values from the merged features. (Numeric
properties only)
Calculation. Set the property value based on a custom calculation
specified in the Expression field.
Concatenation. Join the values to form a single string separated by the
text in the Separator Text field.
Count. Gives the property the value of the total number of features
merged to produce it. This option is for numeric values only.
Empty. Set the property value to empty or a default for the merged
feature.
Expression. Specify an expression.
First Selected. Use the value of the first selected feature.
Last Selected. Use the value of the last selected feature.
Maximum.Use the maximum property value of the merged features.
Median. Use the median value of the merged features.
Minimum. Use the minimum value of the merged features
Split and Merge Rules dialog box | 1671