BIM Software Tip: How to Ensure Accurate Measurements in Navisworks
In Navisworks, how can you guarantee measurement accuracy? Here, we introduce a highly effective method called the “Lock” feature:
The locking function helps maintain the direction of your measurement by preventing any movement or modification of measurement lines or areas. Sometimes, the shapes of objects can interfere with precise measurements. Locking ensures that the geometry you measure stays fixed relative to your initial measurement point. For instance, you can lock measurements along the X-axis or along a direction parallel to an object’s surface.
The measurement line color changes to indicate the active lock type. While measuring multiple points, you can toggle between different lock modes using shortcut keys. Note: Z-axis, parallel, and vertical locking do not apply to 2D drawings.
X, Y, and Z Axis Locking
X-axis: The horizontal axis, shown as a red measurement line.
Y-axis: The vertical axis, indicated by a green measurement line.
Z-axis: The depth axis, represented by a blue measurement line.
Note: When working with 2D drawings, only X and Y axis locks are available.
Vertical and Parallel Locking
Vertical Lock: Locks measurements perpendicular to the surface at your starting point. This is shown by yellow measurement lines. For example, when measuring the height of a room using the “Click” tool, vertical locking ensures accuracy.
Parallel Lock: Locks measurements parallel to the surface where the starting point is located. Magenta measurement lines represent this lock. For instance, when measuring the perimeter of a room using the “Region” tool, parallel locking is the ideal choice.














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