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Center tool


Center button


Click several points and find their common center assuming they form a circle.

How to find a centerHow to find a center

Double-click the last point (point 5 in the example) to finish.

  • To undo a mouse click, press the Esc key.
  • "Lasso" function: when using this tool, the program will "sample" points when you press the Ctrl key whilst moving the mouse.
  • While you are moving the mouse to the next position, lengths and angles are displayed in the status bar at the bottom of the Digimizer window.


The radius is displayed in the Measurements list window (*).

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

Summary statistics for all radiuses measured with the Center tool 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 buttonWhen the lock is Open, the program returns to Select mode after performing a measurement using the Center tool. Close the lock when you need to perform several measurements with the same tool. See Lock tool.

See also