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Measuring an Arc

Use the Arc option to define an arc in the drawing and measure its radius, center and diameter.

Note To create a markup entity for the measurement, you must ensure that Add Radius or Add Diameter is selected in the Measurement dialog.

  1. Select Analysis > Measure from the Markup menu.
  2. The Measurement dialog appears.

    Note You can also click the Arc icon on the Markup toolbar.

  3. Click the Arc tab.
  4. Select From 3 Points if you want to measure the arc between three points. Snapping Modes are enabled.
  5. Select the Snapping Modes that you want to use for measuring.

    To select all Snapping Modes click All On. To clear all Snapping Modes click All Off.

    See 2D Vector Snapping Modes

  6. Select Arc Entity if you want to measure a predefined arc. Snapping Modes are disabled.
  7. From the Arc Info drop-down list, select the unit in which you want to measure the distance.
  8. From the Measure Angle Units drop-down list, select the unit in which you want to measure the angle.
  9. Select Add Radius if you want to measure the radius.
  10. Select Add Diameter if you want to measure the diameter

  11. If you selected From 3 Points, click three points to define the arc, then click to complete the measurement
  12. The points are joined by an arc.

    If you selected Arc Entity, click the edge of the arc that you want to measure.

    The arc is highlighted.

  13. Click to complete the measurement.
  14. The measured line path, measurement and unit appear as an entity on the current active markup layer.The measurements for center point coordinates, radius, diameter, arc length, start and end of angle and sweep appear in the Measurement dialog.

  15. Click and drag the box anywhere on the drawing.
  16. Click and drag the frame handles to change the size of the box.
  17. Note Click Reset to take another measurement.

  18. Click Close to close the Measurement dialog.

See Also Modifying Measurement Markup Entities


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