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View Range and Walls

December 10, 2011

After a bit of frustration today on a project, I asked the kind folks at RevitForum.org for a bit of help. The short of it is that walls that are unconnected at 6′ or less will get a projection line regardless of the View Range setting. Once you constrain the top of the wall to a level then it abides to the View Range settings. Not sure why this is, but its just the way it is.

From Revit Architecture 2011 User Assistance:

Walls shorter than 6 feet (approximately 1.83 meters) are not cut, even if they intersect the cut plane.
The 6 feet are measured from the top of the bounding box to the bottom of the primary view range. For example, if you create a wall with a sloped top face, when the top of the wall is 6 feet away from the bottom of the primary view range, the wall is cut at the cut plane. When the top of the wall is less than 6 feet, the entire wall shows as projection even where it intersects the cut plane. This behavior always occurs when the Top Constraint property for the wall is specified as Unconnected.

Here’s a graphic of my quick comparisons:

 

 

 

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