![]() ![]() Count attributes are written to long integer fields area, length, and x-, y-, z-coordinate, and m-value attributes are written to double fields and coordinate notations such as Degrees Minutes Seconds or MGRS are written to text fields. If a new field name is provided, the field type is determined by the type of values that are written to the field. You can select an existing field or provide a new field name. The fields in which the specified geometry properties will be calculated. If the input features have a selection, only the selected features will have values calculated in the added fields all other features will maintain their existing value. This produces highly accurate results that are not biased by an assumption that the input line or polygon features are constructed with geodesic arcs between the vertices, which is the assumption regarding traditional geodesic length and area. The geodesic length and area properties use a shape-preserving algorithm. Learn more about length and area units in geoprocessing tools ![]() If the Coordinate System parameter is specified, the length and area calculations will be in the units of that coordinate system unless different units are specified in the Length Unit and Area Unit parameters. Length and area calculations will be in the units of the input features' coordinate system unless different units are selected in the Length Unit and Area Unit parameters. See Tools that modify or update the input data for more information and strategies to avoid undesired data changes.
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