Open a plan view. In the View Range dialog, levels used to define the visible range are absolute to the current level of the view. If you were to delete Level 4, then the clip plane would revert back to the default level with which the view is associated. In this example, it would revert to Associated Level Level 2. Values, such as Level Above and Level Below, always have a specific level name associated with them.
Click Apply to view changes. The View Range is made up of a primary range and the view depth. The primary range is defined by three horizontal planes: a top plane, a bottom plane and a cut plane. The top plane represents the top of the View Range and the bottom plane represents the bottom of the View Range. The cut plane is located between the top and bottom planes, and it is the dividing line that determines how elements are displayed in the view.
The additional plane beyond the primary range is the View Depth. By adjusting the View Depth, you can control the visibility of elements below the bottom plane of the primary range. Generally, elements outside the view range do not display. If you need to work around this to have certain elements outside the View Range visible in your view, you can set an underlay to display a level outside the View Range. The element used to display objects is determined by the height of the cut plane.
Elements below the cut plane will be displayed with the projection line weight, and elements that the cut plane intersects with will be displayed with the cut line weight. Elements above the cut plane are not displayed unless their categories are window, casework or general models. These elements are displayed using the projection line weight when they are above the cut plane. In some cases, elements that are intersected by the cut plane will be displayed using the projection line weight rather than the cut line weight.
There are two reasons that this would happen:. You can also display elements that are below the bottom plane by adjusting the View Depth. This is useful for displaying elements such as underground piping or foundations. The exceptions to this are elements that are defined as floors, structural floors, stairs or ramps. These elements have an adjusted range that is 4 feet below the bottom plane, and they are displayed using the projection line weight within this adjusted range.
Below are some examples of how the View Range is affecting different elements in a plan view. Elements that are displayed using the cut line weight. These are the walls, doors, and windows. The third term in the View Range dialog box is called Bottom. From a section POV, this term would be at an elevation lower than the Cut-plane. Bottom is the level where anything located below is not desired for display. When working with floor plans, Bottom is most commonly associated with the level of the floor plan.
With respect to ceiling plans, working with Bottom can get a little hairy. Users may feel a loss of control and surmise Revit has temporarily locked the values, but it is more of a simplification for ceiling plans.
This just forces everything that is cut by Bottom and simultaneously the Cut-plane to be viewed consistently across ceiling plans. View Depth is by far the oddest parameter to set. While the first three parameters are somewhat intuitive i.
In ceiling plans, View Depth is toward the top of the building. In floor plans, View Depth is toward the bottom of the building. To overcome the confusion this may cause, users must realize the difference and mentally adapt the definition to the surrounding environment ceiling plan versus floor plan.
A great way to mentally adapt the definition is to first envision a floating eyeball that changes position and aim-direction depending on if the view is a ceiling plan or a floor plan. This eyeball symbolizes the location where an eyeball would have to be to see the intended view.
In ceiling plans, the eyeball lies on the ground and looks up at the ceiling. In floor plans, the eyeball is mounted to the ceiling and looking down at the ground. This eyeball symbolism can be seen in Figure 3. Figure 3: Distinction of eyeball location for ceiling plans versus floor plans. Note: the eyeball is really only useful for the View Depth parameter. The worded definition of it is the same, but the physical location and relationship it has with other View Range parameters behaves like a homonym.
Hence, the problem is only semi-eliminated. In this example, I only need to create a rectangular boundary. Now when you click the boundary you created above, you will see View Range in Properties Palette. Click it and change it as necessary. After you set the view range correctly, you will see the windows now appear. Working with view range can be frustrating when you start using Revit.
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