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The process of creating floor and roof types is similar to that of walls. Editing the floor structure fol- lows the same principles as for the wall structure. The only parameter that is different is Wraps— in the Floor Editor, this parameter is always grayed out. On the other hand, multilayered floors have an additional parameter that wall layers don’t have that allows the layer to vary in thickness if the floor is sloped. This appears in the Layers table as a new column named Variable (Figure 5.8).
With the 2008 release, Revit allows you to slope floors and roofs by adding points and ridges that can then be manipulated to create creases and sloping forms. You do so using Shape Editor tools, which are available in the Options bar when a floor or roof is selected. The Shape Editor tools are explained in more detail in Chapter 11.
Floors or roofs that have been dynamically edited with these tools enable the Variable parameter. If you select the Variable property, that floor layer can have a nonuniform thickness, as shown in Figure 5.9 |
Figure 5.8
The “Variable" parameter available only for Floor and Roof Layers |
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Figure 5.9
The property Variable is selected, so the floor layer has a non- uniform thickness |
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| If the Variable property variable isn’t selected, as in Figure 5.10, the layer in question has a uni- form thickness, and it will be so that the entire floor structure is going to be sloped |
Figure 5.10
The Variable property isn’t selected, so the floor layer has uniform thickness and the entire structure slopes |
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