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M: Tool Box__Vector__Analysis__Geo processing tools__Symmetrical difference
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Summarize:

Features or portions of features in the input layer and update layer that do not overlap will be written to the output layer.

Usage:

•  The input layer and update layer must be polygon layer.

•  The names of all input layers and update layers must be unique.

•  Attribute values from the input layer will be copied to features of the output layer that originally came from the

  input layer. Attribute values from the update layer will be copied to features of the output layer that originally

  came from the update layer.

Diagram:



Dialog: