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Modify Surface Objects by Changing Properties
Surface objects have additional properties that are not found in 3D solid or
mesh objects. The properties differ depending on the type of surface (NURBS,
blend, patch, network, offset, fillet, chamfer, extend, loft, extrude, sweep,
planar, or revolve).
Surfaces include the following information in the Properties inspector:
â– Basic geometric information - Contains information such as radius
for fillet surfaces, offset distance for offset surfaces, and taper angle for
extruded surfaces. You can also enter mathematical expressions to control
some of these properties.
â– Maintain Associativity - Displays whether surface is associative or not.
Use this property to turn associativity off.
â– Show Associativity - Turns dependency highlighting on and off if the
surface is associated with other surfaces.
â– Edge Continuity and Bulge Magnitude - Displays for surfaces that
join other surfaces.
â– Wireframe Display and U/V Isolines - Turns the wireframe and U/V
Isoline display on and off (for non-NURBS surfaces).
â– CV Hull Display and U/V Isoparms - Turns the CV Hull and U/V
Isoparm display on and off (for NURBS surfaces).
â– Trims - Reports whether the surface has any trimmed areas and on which
edges.
442 | Chapter 8 Work with 3D Models
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