Calculate Total Area
Feature Description
The Calculate Total Area function computes the area of vector region datasets, supporting unit conversion with over 10 measurement options including km², square meters, hectares, acres, square feet, mu, and more.
Feature Entry
- Data Tab -> Data Processing -> Vector -> Calculate Total Area.
- Toolbox -> Data Processing -> Vector -> Calculate Total Area.
Parameter Description
- Source Dataset: Select datasource and target dataset for calculation.
- Filter Expression: Set filter criteria to compute areas of qualifying features only.
- Status: Displays computation results.
- Unit: Default area unit is m². Click dropdown to switch measurement units.

The Calculate Total Area dialog is modeless, allowing continued interactions like dataset opening and feature selection while active.
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