Topic: Autodesk
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Revit Structure Interoperability with AutoCAD
This white paper introduces Revit Structure to those structural engineers and drafters who use AutoCAD - highlighting some of the main concepts in Revit Structure, comparing and contrasting them to familiar AutoCAD concepts, and explaining how Revit Structure and AutoCAD can be used together.
One of the major differences between Revit Structure and AutoCAD is the use of true
structural elements in Revit Structure rather than geometry. In Revit Structure, all
drawings, views, schedules, and so forth, are "live views" of the underlying parametric
building model. All these lives views - the 3D model views, the 2D drawing sheets,
sections, and plans, the informational schedules and take-offs - are all coordinated
because they are all a part of the same underlying project model. As a result, users can
work in any of these views, switching between them as needed.
Revit Structure is a true parametric structural modeler. The modeling engine in AutoCAD
contains primitive objects and requires that all custom shapes be created manually. In
contrast, the Revit Structure model already contains 3D parametric structural components
- such as walls, columns, and beams - used for modeling and model-based details, and
2D parametric components that are used specifically for detailing.
Revit Structure Parametric Components carry information about their relationships to other
elements in the building structure - in contrast to the blocks and solids used in AutoCAD.
For example, in Revit Structure, a columnâ s properties can state that it should go from
Level 2 to Level 4. After this property is set, in Revit Structure the column retains its
relationship to these levels no matter what changes are made to the model (such as
changing floor heights).
AutoCAD users are accustomed to storing symbols as blocks in individual DWG files.
Revit Structure stores similar parametric components in family files. Family files can
contain many styles of components allowing for easier organization and data sharing.
These customizable families used by Revit Structure offer more placement options than
the single insertion point used by AutoCAD blocks and xrefs.
Source: cad.amsystems.com
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