■
SketchUp and massing
: Not all SketchUp imports are appropriate to massing. See
Suitability of Imported
Geometry
on page 1306. Also see
Importing Massing Studies from Other Applications
on page 555.
■
Scaling
: Groups or components that have been scaled in their entirety with the SketchUp Scaling tool
may be incorrectly scaled when imported to Revit Architecture. Exploded SketchUp models should import
at the correct scale.
Importing ACIS Objects
Revit Architecture supports the import of ACIS objects contained in DWG, DXF, and SAT files. (ACIS objects
describe solids or trimmed surfaces.) For example, you can create ACIS objects using the AutoCAD 2009
commands Draw Solids and Draw Region. You can also import SmartSolids
™
from MicroStation
®
into Revit
Architecture. To import ACIS objects, use the procedure
Importing or Linking CAD Files Using the Import/Link
Command
on page 1308.
Revit Architecture supports the following types of surfaces when importing ACIS objects:
■
Plane
■
Sphere
■
Torus
■
Cylinder
■
Cone
■
Elliptical cylinder
■
Elliptical cone
■
Extruded surface
■
Revolved surface
■
NURB surfaces
You can import NURB (non-uniform rational B-splines) surfaces on ACIS objects in DWG or SAT files into
Revit Architecture mass or generic model families while you are creating the family. You can then use the
Roof by Face and Curtain System by Face tools to create roofs and curtain systems on these imported surfaces.
For more information, see
Creating Curtain Systems Using the Curtain System by Face Command
on page
548 and
Creating Roofs Using the Roof by Face Command
on page 551.
To use ACIS imports for face-based host commands, import geometry into an in-place family of category
Mass or Generic Model. Face-based commands work best on ACIS solids. For example, if you create walls by
face on a cube, the walls join and miter correctly. If you create a curtain system by face on a solid, you can
add corner mullions onto the joins between faces of the curtain system. For more information on face-based
commands, see
Creating Building Elements from Mass Instances
on page 543.
TIP
Make sure you import the geometric data needed for the Revit Architecture capability that you plan to use.
For more information, see
Suitability of Imported Geometry
on page 1306.
Importing or Linking CAD Formats | 1311
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