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TIP If you select a style that requires zone exclusivity, you will be able
to add only subzones that are of the same style. If you try to attach
a subzone of a different style, you will receive an error message. For
information on setting exclusivity rules for zone styles, see Restricting
the Content of a Zone Based on the Zone Style on page 3105.
9 Specify the types of objects that can be attached to the zone
(spaces, zones, or both.)
10 Select the types of calculations performed for the zone in the
evaluation of the floor plan.
For example, you might want to have a Carpet zone node to
calculate how much carpet you need and Base board zone node
to calculate how much baseboard you need. For the Carpet zone
node, you would select Yes for Calculate area. For the Baseboard
zone node, you would select Yes for Calculate perimeter.
You can select both calculation types if you want both values to
appear in the evaluation.
11 Select one or more calculation modifiers to apply to the zone.
For example, if you have a Balconies zone node, you can attach
a calculation modifier that reduces all calculated space values in
this zone by 50 percent.
NOTE By default, a calculation modifier is applied only to the base
area and base perimeter of spaces attached to the zone. To apply the
modifier to the net, usable, and gross boundaries of spaces attached
to a zone, you need to create and apply a property set definition that
contains properties for the calculated area and perimeter values of
these 3 boundaries.
Calculation modifiers are applied accumulatively. If you attach a
50 percent calculation modifier to a space directly, and then attach
the space to a zone that also has a 50 percent calculation modifier,
the resulting space value is 25 percent, because both calculation
modifiers are applied.
Calculation modifiers are processed top-down, with the first style
in the list processed first, the second style after that, and so on.
Depending on your calculation formulas, you can receive different
result values. To change the order of calculation modifiers, drag
them to the correct positions within the list. For an example of
how the order of calculation modifiers can affect the calculation
results, see Calculation Modifiers on page 3127.
3118 | Chapter 39 Spaces
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