RSO
- Last UpdatedDec 09, 2025
- 1 minute read
The model object Reference Surface Object (RSO) is used for several purposes:
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As boundaries for Spaces, Blocks or Compartments.
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As the underlying structure referenced by the steel model.
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As an object that presents 2D backdrop drawings in 3D.
The following types of RSO can be defined:
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Compartment Limits
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General Inner Structure
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Block Limits
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General Limits
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Backdrops
Note: The steel model can only be located in RSO of type Compartment Limit or General Inner Structure.
The RSO menu contains sub-functions in a pulldown menu as shown below.

The functions in this submenu are described below.