#elevation marker

Above is a typical elevation marker (this is taken from the favorites as an example).  The inner lines are the specific elevations, the border lines are the elevation perimeter or extents.

The inner lines can be adjusted to within about 12" of the elevation extents and can be adjusted to exclude portions of the room by adding nodes and adjusting the shape of the elevation line.

A glitch came up today where the elevation extents could not be changed or modified when a multi-segment elevation line (inner line) extends beyond the elevation extents line (border line).

Notice in the above image the elevation is segmented and extends beyond the elevation extents.  After this has been done the perimeter can not be offset, nodes can not be added and the border is more or less "fixed" at the size and shape before the over extension of the elevation occurred.

Even after offsetting the elevation to within the elevation extents the border can not be adjusted.  You will be able to identify that this happened and is the cause of the problem by the segmented or missing elevations extent line.  Unfortunately there is no fix for this other than to delete and replace the elevation marker.

Interestingly enough, a non-segmented elevation can be drug beyond the elevation extents and cause a similar problem that is then solved by bringing it back inside the extents.

My suggestion about interior elevation markers is to avoid segmenting the elevation whenever possible. If it is necessary to add e segment to exclude or include information it is critical to take care not to move the elevation beyond the elevation extents.