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Perpendicular line tool


Perpendicular line button


First click 2 points to draw a line. Next click a 3rd point to draw a second line perpendicular on the first line. The middle point of the second line is shown.

How to measure on a perpendicular line

Tip: while you are moving the mouse to the second and third position, lengths and angles are displayed in the status bar at the bottom of the Digimizer window.


The total length and angle are displayed in the Measurements list window (*).

When the option Show result after finalizing measurement is selected, then the total length and angle are displayed in a small window next to the object.

Summary statistics for all lengths and angles measured with the Perpendicular line 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 Perpendicular line tool. Close the lock when you need to perform several measurements with the same tool. See Lock tool.


How to measure a length on a perpendicular line in an image.

See also

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