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Arc measurement tool

Button

Arc button

How to measure an arc

To measure a circular arc:

  • click the first point on the arc
  • click a second point on the arc
  • click the last point on the arc

    How to measure an arc in an imageHow to measure an arc in an image

Arc measurements

Digimizer measurements on an arcDigimizer measurements on an arc

The angle (β), radius, length, width (the length of the cord), and height, are displayed in the Measurements list window (*).

When the option Show result after finalizing measurement is selected, then the radius, diameter, perimeter and area are displayed in a small window next to the object.

Summary statistics for all measurements are displayed in the Statistics window.

*Only the parameters selected in the Measurements List Columns options box are displayed in the Measurements list window.

Lock tool

Lock button When the lock is Open, the program returns to Select mode after performing a measurement using the Circle tool. Close the lock when you need to perform several measurements with the same tool. See Lock tool.

See also